CN111496926B

CN111496926B - Secondary forming processing machine for polyurethane plastic foam packaging material

Info

Publication number: CN111496926B
Application number: CN202010377633.XA
Authority: CN
Inventors: 付子豪; 邵可心
Original assignee: Shanghai Kaisu Packaging Material Co ltd
Current assignee: Shanghai KAISU packaging material Co.,Ltd.
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2022-01-11
Anticipated expiration: 2040-05-07
Also published as: CN111496926A

Abstract

The invention relates to a secondary forming processing machine for polyurethane plastic foam packaging materials, which comprises a workbench, a clamping centering mechanism, a cutting lifting mechanism and an adjustable cutting mechanism, wherein a round hole is formed in the workbench, four clamping centering mechanisms matched with and clamping disc-shaped polyurethane plastic foam are distributed on the workbench around the round hole, the four clamping centering mechanisms are uniformly distributed in an annular array relative to the center of the round hole, the cutting lifting mechanism is arranged on the workbench, and the adjustable cutting mechanism is arranged on the cutting lifting mechanism and lifts along with the cutting lifting mechanism; the machine provided by the invention can complete the forming processing of four round holes in the foam packaging structure at one time, solves the problems of low processing efficiency, uneven distribution of the round holes and the like one by one, and can perform forming processing treatment on the foam packaging structures with different sizes and structures, thereby improving the applicability of the machine.

Description

Secondary forming processing machine for polyurethane plastic foam packaging material

Technical Field

The invention relates to the technical field of foam packaging material processing, and particularly provides a secondary forming processing machine for a polyurethane plastic foam packaging material.

Background

The polyurethane plastic foam can be divided into rigid polyurethane plastic foam and soft polyurethane plastic foam, wherein the rigid polyurethane plastic foam is a high molecular polymer which is prepared by mixing isocyanate and polyether serving as main raw materials through special equipment under the action of various auxiliary agents such as a foaming agent, a catalyst, a flame retardant and the like and performing high-pressure spraying and on-site foaming, and the rigid polyurethane plastic foam has a closed-cell foam structure. Rigid polyurethane plastic foams are also frequently used in the packaging field for product fixation, crash protection, etc.

When rigid polyurethane plastic foams are used in the packaging sector, the foam boards are often further shaped by secondary processing, so as to obtain the required foam packaging structure, the attached figure 7 is a type of foam packaging structure with the characteristics of the attached figure, which is obtained by secondary molding processing and machining of the polyurethane plastic foam packaging material provided by the invention, in particular to a disc-shaped foam board, four round holes are processed in the foam board relative to the central annular array of the foam board and are used for fixedly sleeving four cylindrical products and integrally packaging the products, in actual processing, the foam packaging structures of the type with different sizes are required to be obtained frequently, so that the secondary processing is generally carried out by adopting a mode of cutting and punching one by one, and the processing mode obviously has the problems of multiple operation steps, low processing efficiency, uneven distribution of circular holes and the like.

Disclosure of Invention

In order to solve the above problems, the present invention provides a post-forming processing machine for polyurethane plastic foam packaging materials, which is used to solve the above problems mentioned in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a polyurethane plastic foam packaging material post forming processing machinery, includes the workstation, presss from both sides tight mechanism placed in the middle, cutting elevating system and adjustable cutting mechanism, be equipped with the round hole on the workstation, lie in on the workstation distribute around the round hole and be provided with four cooperations and press from both sides tight discoid polyurethane plastic foam tight mechanism placed in the middle, four tight mechanism placed in the middle about the round hole center is annular array evenly distributed, cutting elevating system sets up on the workstation, adjustable cutting mechanism sets up cutting elevating system goes up and down along with it, wherein:

the adjustable cutting mechanism comprises a sliding guide disc, a rotating retainer, a hand wheel screw, a thread sleeve hinging seat, connecting rods, a sliding cutter frame and a cylindrical cutting knife, wherein the central shaft of the sliding guide disc coincides with the central shaft of the round hole, the sliding guide disc is provided with four sliding rails which are equidistantly distributed in the circumferential direction, the sliding rails are radially arranged in a notch shape along the sliding guide disc, the rotating retainer is fixedly arranged on the sliding guide disc, the hand wheel screw is vertically and rotatably arranged between the sliding guide disc and the rotating retainer, the hand wheel screw is positioned at the central shaft position of the sliding guide disc, the thread sleeve hinging seat is in threaded connection with the hand wheel screw, the thread sleeve hinging seat is uniformly and movably provided with four connecting rods, the end part of each connecting rod is hinged with the sliding cutter frame, and the four sliding cutter frames are slidably arranged on the four sliding rails in a one-to-one correspondence manner, and each sliding cutter frame is fixedly provided with the cylinder cutter, and the central shaft of the cylinder cutter is in a vertical state.

Preferably, press from both sides tight mechanism between two parties including fixed mounting cylinder fixed plate, fixed mounting on the workstation die clamping cylinder and fixed mounting on the cylinder fixed plate lateral wall the tight piece of bearing clamp of die clamping cylinder output, die clamping cylinder's output direction is followed the radial of round hole, the tight piece of bearing clamp is located round hole top can be used to the bearing and presss from both sides tight discoid polyurethane plastic foam.

Preferably, the cutting lifting mechanism comprises a portal frame fixedly mounted on the workbench, a lifting cylinder fixedly mounted at the top end of the portal frame and a connecting frame fixedly connected to the output end of the lifting cylinder, and the connecting frame is fixedly connected with the rotary retainer.

Preferably, the sliding tool rest comprises a sliding block arranged on the sliding rail in a sliding mode and a cross tool fixing frame fixed to the bottom end of the sliding block, one end of the connecting rod is hinged to the top end of the sliding block, and the cylindrical cutting knife is fixedly installed on the cross tool fixing frame.

Preferably, the adjustable cutting mechanism further comprises a material returning assembly, the material returning assembly is arranged on each sliding tool holder and comprises a material returning cylinder and a material returning plate, the material returning cylinder is vertically and fixedly mounted at the top end of the sliding block, the material returning plate is fixedly connected to the output end of the material returning cylinder, the output end of the material returning cylinder vertically penetrates through the sliding tool holders, and the material returning plate is located in the cylinder cutting knife.

Preferably, the bearing clamping block comprises a bearing block in the shape of a sector ring, a roller frame fixedly installed on the bearing block in the shape of a sector ring and two clamping rollers vertically and rotatably installed on the roller frame, and the bearing block and the roller frame are concentric with the circular hole.

The technical scheme has the following advantages or beneficial effects:

1. the invention provides a secondary forming processing machine for polyurethane plastic foam packaging materials, which can automatically center and limit and fix disc-shaped polyurethane plastic foam by matching four clamping centering mechanisms, can complete stamping, cutting and forming processing by matching an adjustable cutting mechanism through a cutting lifting mechanism, can complete forming processing of four round holes at one time, is in place in one step, greatly improves the processing efficiency, and solves the problem of uneven distribution of the round holes when one is used for cutting.

2. The invention provides a secondary forming processing machine for polyurethane plastic foam packaging materials, wherein a sliding cutter frame in an adjustable cutting mechanism can be used for replacing and fixing cylinder cutting knives selected for foam packaging structures with different sizes, and the position of the cylinder cutting knives in the radial direction of a sliding guide disc can be further adjusted, so that the layout of four round holes on the processed foam packaging structure is more reasonable, and the applicability of the machine is improved.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a front view of a post-forming processing machine for polyurethane plastic foam packaging material according to the present invention;

FIG. 2 is a top view of an assembly structure of four clamping and centering mechanisms on a workbench;

FIG. 3 is a top view of a portion of the adjustable cutting mechanism;

FIG. 4 is a cross-sectional view of the adjustable cutting mechanism;

FIG. 5 is a perspective view of a holding clamp block;

FIG. 6 is a perspective view of the sliding tool holder;

FIG. 7 is a schematic view of a polyurethane plastic foam packaging structure obtained by post-forming processing and machining of a polyurethane plastic foam packaging material provided by the present invention.

In the figure: 1. a work table; 11. a circular hole; 2. a clamping centering mechanism; 21. a cylinder fixing plate; 22. a clamping cylinder; 23. supporting the clamping block; 231. a bearing block; 232. a roller frame; 233. a nip roll; 3. a cutting lifting mechanism; 31. a gantry; 32. a lifting cylinder; 33. a connecting frame; 4. an adjustable cutting mechanism; 41. a sliding guide plate; 411. a slide rail; 42. rotating the holder; 43. a hand wheel screw; 44. the screw sleeve is hinged with the base; 45. a connecting rod; 46. a sliding tool holder; 461. a slider; 462. a cross-shaped cutter fixing frame; 47. a cylinder cutter; 48. a material returning component; 481. a material returning cylinder; 482. and (4) returning the material disc.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

Referring to fig. 1-7, a polyurethane plastic foam packaging material post forming processing machinery, comprising a workbench 1, press from both sides tight mechanism 2 placed in the middle, cutting elevating system 3 and adjustable cutting mechanism 4, be equipped with round hole 11 on the workstation 1, it is provided with the tight mechanism 2 placed in the middle that presss from both sides tight discoid polyurethane plastic foam of four cooperations of the tight discoid polyurethane plastic foam of clamp to distribute around the round hole 11 on the workstation 1, four press from both sides tight mechanism 2 placed in the middle and be annular array evenly distributed about round hole 11 center, round hole 11 plays the effect that the cutting kept away the position when actual cutting shaping adds man-hour, cutting elevating system 3 sets up on workstation 1, adjustable cutting mechanism 4 sets up and goes up and down along with it on cutting elevating system 3, wherein:

the adjustable cutting mechanism 4 comprises a sliding guide disc 41, a rotating retainer 42, a hand wheel screw 43, a thread sleeve hinging seat 44, a connecting rod 45, a sliding tool holder 46 and a cylinder cutting knife 47, wherein the central axis of the sliding guide disc 41 is superposed with the central axis of the round hole 11 (so that four cylinder cutting knives 47 which are arranged in a distributed way can relatively clamp the center of a central disc-shaped plastic foam board and are distributed in an annular array, namely correspondingly distributed at the position of the round hole 11 to be cut and processed), the sliding guide disc 41 is provided with four sliding rails 411 which are distributed at equal intervals in the circumferential direction, the sliding rails 411 are arranged along the radial direction of the sliding guide disc 41 in a notch shape, the rotating retainer 42 is fixedly welded on the sliding guide disc 41, the hand wheel screw 43 is vertically and rotatably arranged between the sliding guide disc 41 and the rotating retainer 42, the hand wheel screw 43 is positioned at the central axis of the sliding guide disc 41, the thread sleeve hinging seat 44 is connected on the hand wheel screw 43, evenly distributed articulates on the articulated seat 44 of swivel nut has four connecting rods 45, the tip of every connecting rod 45 all articulates there is slip cutter frame 46, four slip cutter frame 46 one-to-one slide and set up on four slide rails 411, equal fixed mounting has drum cutting knife 47 on every slip cutter frame 46, the center pin of drum cutting knife 47 is vertical state, slip cutter frame 46 is including sliding slider 461 and the cross cutter mount 462 of welded fastening in slider 461 bottom that sets up on slide rail 411, connecting rod 45 one end is articulated with slider 461 top, drum cutting knife 47 passes through bolt fixed mounting on cross cutter mount 462.

The cylinder cutting knife 47 is a nonstandard knife, the diameter of the cylinder cutting knife 47 is equal to the diameter of a circular hole in a foam packaging structure to be processed and formed, the corresponding cylinder cutting knife 47 can be correspondingly replaced according to the size of the foam packaging structure with different sizes, after the cylinder cutting knife 47 is replaced, in order to ensure that four circular holes in the foam packaging structure are reasonably distributed, the positions of the four cylinder cutting knives 47 distributed in the radial direction need to be adjusted, during adjustment, only the hand wheel screw 43 needs to be rotated, so that the screw sleeve hinged seat 44 is driven to vertically move, then the sliding knife rack 46 is driven to radially slide along the sliding rail 411 through the connecting rod 45, the cylinder cutting knife 47 synchronously moves along with the sliding knife rack 46, so that the position adjustment of the cylinder cutting knife 47 in the radial direction can be realized, after the adjustment is completed, the circular hole layout of the foam packaging structure obtained by processing is reasonable, during actual cutting and forming processing, four drum cutting knives 47 that set up can realize the one shot forming of four round holes, and processing is convenient, and machining efficiency improves greatly.

Four press from both sides tight mechanism 2 placed in the middle and mutually support and can realize carrying out the clamp tightly placed in the middle to discoid polyurethane plastic foam, press from both sides tight mechanism 2 placed in the middle including the cylinder fixed plate 21 of welding on workstation 1, through the die clamping cylinder 22 of screw fixed mounting on cylinder fixed plate 21 lateral wall and through the tight piece 23 of bearing clamp of screw fixed mounting at die clamping cylinder 22 output, die clamping cylinder 22's output direction is along the radial of round hole 11, the tight piece 23 of bearing clamp is located round hole 11 top and can be used to the bearing and press from both sides discoid polyurethane plastic foam, the tight piece 23 of bearing clamp includes fan annular bearing piece 231, the welding is two double-layered rollers 233 installed on roller frame 232 of fan annular roller frame 232 and vertical rotation on the bearing is fast, bearing piece 231 and roller frame 232 all with round hole 11 centre of a circle.

When carrying out the clamp tightly between two parties to discoid polyurethane plastic foam, earlier synchronous start four die clamping cylinders 22, make bearing clamp block 23 towards the direction motion of being close to the 11 centre of a circle of round hole, place discoid polyurethane plastic foam on the plane that comprises four bearing blocks 231 afterwards, continue afterwards to pass through die clamping cylinders 22 drive bearing clamp block 23, thereby paste tightly on the foam lateral wall through pressing from both sides roller 233, thereby it is spacing to realize the automation and the clamp of discoid polyurethane plastic foam under four cooperations of pressing from both sides tight mechanism 2 between two parties, be convenient for cooperate four drum cutting knives 47 to be in processing position department.

The cutting elevating mechanism 3 finishes cutting forming processing by driving the adjustable cutting mechanism 4, the cutting elevating mechanism 3 comprises a portal frame 31 fixedly installed on the workbench 1 in a welding mode, a lifting cylinder 32 fixedly installed at the top end of the portal frame 31 through bolts and a connecting frame 33 fixedly connected to the output end of the lifting cylinder 32 in a welding mode, and the connecting frame 33 is fixedly connected with the rotating holder 42 through screws.

When cutting the shaping and processing, drive whole adjustable cutting mechanism 4 downstream through starting lift cylinder 32 to drive four drum cutting knives 47 and descend, accomplish the punching press cutting of drum cutting knife 47 to polyurethane plastic foam then.

Further, adjustable cutting mechanism 4 still includes material returned subassembly 48, all is provided with material returned subassembly 48 on every slip tool rest 46, and material returned subassembly 48 includes material returned cylinder 481 through the vertical fixed mounting of screw at slider 461 top and material returned dish 482 of fixed connection at material returned cylinder 481 output, and the output of material returned cylinder 481 passes slip tool rest 46 vertically, and material returned dish 482 is located the drum cutting knife 47. The cut waste will be embedded in the drum cutter 47, and thus the waste can be pushed out by activating the material returning cylinder 481 to push the material returning tray 482.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. The utility model provides a polyurethane plastic foam packaging material post forming processing machinery, includes workstation (1), presss from both sides tight mechanism (2) placed in the middle, cutting elevating system (3) and adjustable cutting mechanism (4), its characterized in that: be equipped with round hole (11) on workstation (1), lie in on workstation (1) distribute around round hole (11) and be provided with four cooperations and press from both sides tight discoid polyurethane plastic foam press from both sides tight mechanism (2) placed in the middle, four press from both sides tight mechanism (2) placed in the middle about round hole (11) center is annular array evenly distributed, cutting elevating system (3) set up on workstation (1), adjustable cutting mechanism (4) set up go up and down along with it on cutting elevating system (3), wherein:

adjustable cutting mechanism (4) includes slip guiding disc (41), rotation holder (42), hand wheel screw rod (43), swivel nut hinge seat (44), connecting rod (45), slip cutter frame (46) and drum cutting knife (47), the center pin of slip guiding disc (41) with the center pin coincidence of round hole (11), be equipped with four slide rails (411) that distribute at circumferencial direction equidistance on slip guiding disc (41), slide rail (411) are followed slip guiding disc (41) radially is the breach form and sets up, rotate holder (42) fixed mounting in on slip guiding disc (41), hand wheel screw rod (43) vertical rotation is installed slip guiding disc (41) with between rotation holder (42), hand wheel screw rod (43) are located slip guiding disc (41) central axis position, swivel nut hinge seat (44) threaded connection is in on hand wheel screw rod (43), four connecting rods (45) are uniformly distributed and hinged on the threaded sleeve hinge seat (44), the end part of each connecting rod (45) is hinged with the sliding cutter frame (46), the four sliding cutter frames (46) are arranged on the four sliding rails (411) in a one-to-one corresponding sliding mode, the cylindrical cutter (47) is fixedly installed on each sliding cutter frame (46), and the central shaft of the cylindrical cutter (47) is in a vertical state;

the clamping centering mechanism (2) comprises a cylinder fixing plate (21) fixedly mounted on the workbench (1), a clamping cylinder (22) fixedly mounted on the outer side wall of the cylinder fixing plate (21), and a supporting clamping block (23) fixedly mounted at the output end of the clamping cylinder (22), the output direction of the clamping cylinder (22) is along the radial direction of the round hole (11), and the supporting clamping block (23) is located above the round hole (11) and can be used for supporting and clamping the disc-shaped polyurethane plastic foam;

the sliding cutter frame (46) comprises a sliding block (461) arranged on the sliding rail (411) in a sliding mode and a cross cutter fixing frame (462) fixed to the bottom end of the sliding block (461), one end of the connecting rod (45) is hinged to the top end of the sliding block (461), and the cylindrical cutter (47) is fixedly installed on the cross cutter fixing frame (462);

the adjustable cutting mechanism (4) further comprises a material returning assembly (48), each sliding cutter frame (46) is provided with the material returning assembly (48), each material returning assembly (48) comprises a material returning cylinder (481) vertically and fixedly mounted at the top end of the sliding block (461) and a material returning plate (482) fixedly connected to the output end of the material returning cylinder (481), the output end of the material returning cylinder (481) vertically penetrates through the sliding cutter frame (46), and the material returning plate (482) is located in the cylinder cutting knife (47).

2. The post-forming processing machine of polyurethane plastic foam packaging material as claimed in claim 1, wherein: cutting elevating system (3) are including fixed mounting portal frame (31), fixed mounting on workstation (1) are in lift cylinder (32) and the fixed connection on portal frame (31) top are in the link (33) of lift cylinder (32) output, link (33) with rotate holder (42) fixed connection.

3. The post-forming processing machine of polyurethane plastic foam packaging material as claimed in claim 1, wherein: bearing clamp splice (23) are including fan annular bearing piece (231), fixed mounting be fan annular roller frame (232) and vertical rotation install on the bearing soon two double-layered rollers (233) on roller frame (232), bearing piece (231) with roller frame (232) all with round hole (11) centre of a circle altogether.