CN216760533U

CN216760533U - PP tableware extrusion back side cut equipment

Info

Publication number: CN216760533U
Application number: CN202123376995.6U
Authority: CN
Inventors: 史文彪
Original assignee: Wuhan Shenchuangfeng Environmental Protection Technology Co ltd
Current assignee: Wuhan Shenchuangfeng Environmental Protection Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-17
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of PP tableware, and discloses a trimming device after extrusion molding of PP tableware, which comprises a base, wherein a motor is fixedly connected inside the base, an output shaft of the motor is fixedly connected with a threaded rod, the outer wall of the threaded rod is in threaded connection with a threaded sleeve, the right end of the threaded sleeve is fixedly connected with a trimming knife through a positioning sleeve, the trimming knife is used for trimming the PP tableware downwards, a second straight rod is driven by the positioning sleeve to move downwards, when a knife edge of the trimming knife is tangent to a workbench, the second straight rod is used for downwards extruding a first straight rod, a connecting piece is used for driving a connecting rod to move downwards, simultaneously a first piston and a second piston are driven to move downwards, the top end of a piston groove generates negative pressure, cut waste scraps are sucked into the piston groove, when the bottom of the first piston is attached to the bottom of the piston groove, the waste scraps cut by air pressure disappearance enter a waste scrap collecting box from a discharge port, thereby reached the effect of automatic collection side cut sweeps.

Description

PP tableware extrusion back side cut equipment

Technical Field

The utility model relates to the technical field of PP tableware, in particular to trimming equipment for extruded PP tableware.

Background

The extrusion molding is to extrude the blank placed in a mold cavity, and the blank is formed into a required shape by utilizing the plastic deformation of the blank, so that the product processed by the molding processing mode has the advantages of wide application range, various shapes, high flexibility, good surface quality of a finished product, simple process flow, capability of improving the utilization rate of the blank and reduction of material waste.

The blank has deckle edge after extrusion usually, need to process once more and remove the limit that needs, and the side cut process is qualitative back tableware and carries out the smooth important process of pruning to the edge, and present side cut equipment uses the cutting off cutter to cut off the product usually, produces the sweeps in the cutting off-process and does not collect, leads to the operational environment dirty and disorderly, needs to improve.

According to the utility model, the motor drives the screw rod to move, the edge cutting knife is driven to downwards carry out edge cutting operation on a product through screw thread transmission, the second straight rod is driven by the positioning sleeve six to downwards extrude the first straight rod, the connecting piece is driven to downwards move, and the first piston and the second piston are driven by the connecting rod to downwards move to generate air pressure difference so as to adsorb and collect edge cutting scraps.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the PP tableware extrusion-molded trimming equipment which has the advantage of automatically collecting scraps and solves the problem of messy operation environment.

(II) technical scheme

In order to realize the purpose of automatically collecting the scraps, the utility model provides the following technical scheme: the PP tableware extrusion forming and post-trimming equipment comprises a base, wherein a motor is fixedly connected inside the base, an output shaft of the motor is fixedly connected with a threaded rod, the top end of the base is fixedly connected with a fixed pipe, the outer wall of the threaded rod is in threaded connection with a threaded sleeve, the right end of the threaded sleeve is fixedly connected with a positioning sleeve, the right side of the positioning sleeve is fixedly connected with a trimming knife, the top end of the base is fixedly connected with a workbench, and the top end of the base is provided with a collecting device;

the collecting device comprises a reset spring, a top fixedly connected with connecting piece of the reset spring, a first straight rod of the top fixedly connected with of the connecting piece, a second straight rod of the bottom fixedly connected with of the positioning sleeve, a connecting rod of the right fixedly connected with of the connecting piece, a first piston of the right fixedly connected with of the connecting rod, a second piston of the top fixedly connected with of the first piston, a mounting block of the right fixedly connected with of the workbench, a piston groove is formed in the mounting block, a discharge hole is formed in the bottom of the left side of the mounting block, a waste chip collecting box is fixedly connected with of the top of the base, and the right side of the waste chip collecting box is connected with the discharge hole.

Preferably, the left side of the bottom of the trimming knife and the top end of the right side of the workbench are positioned on the same horizontal plane, and the trimming knife moves downwards to directly perform trimming operation on the PP lunch box on the workbench.

Preferably, the bottom end of the return spring is fixedly connected with the bottom end of the fixed pipe.

Preferably, the top end of the first straight rod and the top end of the workbench are located on the same horizontal plane, the second straight rod and the bottom end of the trimming knife are located on the same horizontal line, and when the trimming knife performs trimming operation, the piston is driven to move through the matching of the first straight rod and the second straight rod, so that trimming scraps are collected.

Preferably, the piston groove comprises a large groove and a small groove, the top end of the small groove is communicated with the top end of the mounting block, the discharge hole is communicated with the large groove, and the trimming scraps enter the piston groove from the top end of the small groove and are discharged from the discharge hole in a centralized manner.

Preferably, the outer wall of the first piston is attached to the inner wall of the large groove, and the outer wall of the second piston is attached to the inner wall of the small groove, so that negative pressure is generated in the descending process of the first piston and the second piston.

(III) advantageous effects

Compared with the prior art, the utility model provides the PP tableware extrusion-molded trimming equipment, which has the following beneficial effects:

this PP tableware extrusion back side cut equipment, cut edge the operation to the PP tableware downwards through the side cut sword, drive second straight-bar downstream by the position sleeve, when the side cut sword edge of a knife is tangent with the workstation, the second straight-bar carries out the downward extrusion to first straight-bar, the connecting piece drives connecting rod downstream, drive first piston and second piston downstream simultaneously, piston groove top produces the negative pressure, inhale the piston inslot with the sweeps that cut off, when first piston motion is pasted bottom and piston groove bottom, the sweeps that the atmospheric pressure disappeared the cut-off gets into in the sweeps collection box from the discharge gate, thereby the effect of automatic collection side cut sweeps has been reached.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the structure A of FIG. 1 according to the present invention;

fig. 3 is an external view of the present invention.

In the figure: 1. a base; 2. a motor; 3. a threaded rod; 4. a fixed tube; 5. a threaded sleeve; 6. a positioning sleeve; 7. a trimming knife; 8. a work table; 9. a collection device; 901. a return spring; 902. a connecting member; 903. a first straight rod; 904. a second straight rod; 905. a connecting rod; 906. a first piston; 907. a second piston; 908. mounting blocks; 909. a piston groove; 910. a discharge port; 911. a scrap collecting box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a trimming device for extruded PP tableware comprises a base 1, a motor 2 is fixedly connected inside the base 1, a threaded rod 3 is fixedly connected to an output shaft of the motor 2, a fixed tube 4 is fixedly connected to the top end of the base 1, the fixed tube 4 is a hollow vertical rod with sliding grooves formed in the left side and the right side, a threaded sleeve 5 is in threaded connection with the outer wall of the threaded rod 3, a positioning sleeve 6 is fixedly connected to the right end of the threaded sleeve 5, the positioning sleeve 6 is slidably sleeved on the outer wall of the fixed tube 4, a trimming knife 7 is fixedly connected to the right side of the positioning sleeve 6, a workbench 8 is fixedly connected to the top end of the base 1, the left side of the bottom of the trimming knife 7 and the top end of the workbench 8 are located on the same horizontal plane, the trimming knife 7 moves downwards to directly perform trimming operation on a PP lunch box on the workbench 8, and a collecting device 9 is arranged at the top end of the base 1; the collecting device 9 comprises a return spring 901, the bottom end of the return spring 901 is fixedly connected with the bottom end of a fixed pipe 4, the top end of the return spring 901 is fixedly connected with a connecting piece 902, the connecting piece 902 is sleeved on the outer wall of the fixed pipe 4 in a sliding manner, the top end of the connecting piece 902 is fixedly connected with a first straight rod 903, the bottom end of a positioning sleeve 6 is fixedly connected with a second straight rod 904, the top end of the first straight rod 903 is positioned on the same horizontal plane with the top end of a workbench 8, the second straight rod 904 is positioned on the same horizontal line with the bottom end of a trimming knife 7, when the trimming knife 7 performs trimming operation, the piston is driven to move by the matching of the first straight rod 903 and the second straight rod 904, trimming scraps are collected, the right side of the connecting piece 902 is fixedly connected with a connecting rod 905, the right side of the connecting rod 905 is fixedly connected with a first piston 906, the bottom end of the first piston 906 is sleeved with a guide rod in a sliding manner, and the guide rod is fixedly connected with the top end of a base 1, the piston is prevented from deviating in the movement process, the top end of the first piston 906 is fixedly connected with a second piston 907, the outer wall of the first piston 906 is mutually attached to the inner wall of a large groove, the outer wall of the second piston 907 is mutually attached to the inner wall of a small groove, so that negative pressure is generated in the descending process of the first piston 906 and the second piston 907, the right side of the workbench 8 is fixedly connected with a mounting block 908, a piston groove 909 is formed in the mounting block 908, a discharge hole 910 is formed in the left bottom of the mounting block 908, the piston groove 909 comprises a large groove and a small groove, the top end of the small groove is communicated with the top end of the mounting block 908, cutting waste chips enter the piston groove 909 from the top end of the small groove and are discharged in a centralized mode from the discharge hole 910, a waste chip collecting box 911 is fixedly connected to the top end of the base 1, a fan is fixedly installed on the left side of the top of the waste chip collecting box 911, the fan exhausts outwards, so that suction force is generated in the waste chip collecting box 911 through the discharge hole 910, allowing the waste to fall rapidly.

When the pp tableware is trimmed, firstly, the motor 2 is started, the threaded rod 3 is driven to rotate by the motor 2, the threaded rod 3 and the positioning sleeve 6 are matched to generate lifting motion through threaded transmission, the positioning sleeve 6 drives the second straight rod 904 and the trimming knife 7 to move downwards simultaneously, when the edge of the trimming knife 7 is tangent to the workbench 8 and the pp tableware is trimmed, the second straight rod 904 extrudes the first straight rod 903 downwards to drive the connecting piece 902 and the connecting rod 905 to move downwards and drive the first piston 906 and the second piston 907 to move downwards simultaneously, because the side surfaces of the first piston 906 and the second piston 907 are attached to the inner wall of the piston groove 909, the top end of the piston groove 909 generates negative pressure, cut scraps are sucked into the piston groove 909 and fall into the top end of the second piston 906, and because the bottom of the piston groove 909 is larger than the cross-sectional area of the top part, when the piston moves downwards, the air pressure between the first piston 906 and the second piston 907 is reduced, when the first piston 906 descends into the large groove, the scraps are sucked into the large groove due to low air pressure in the large groove and fall into the top end of the second piston 907, when the second piston 907 moves to the bottom and is attached to the bottom of the piston groove 909, the air pressure between the first piston 906 and the second piston 907 disappears from the discharge port 910, the scraps cut off under the action of the fan enter the scrap collecting box 911 from the discharge port 910, the trimming knife 7 ascends to drive the connecting piece 902 to lift through the return spring 901, so that the pistons are reset, and the purpose of automatically and continuously collecting the trimming scraps is achieved.

In conclusion, according to the trimming device after extrusion molding of the PP tableware, the trimming knife 7 is used for trimming the PP tableware downwards, the positioning sleeve 6 drives the second straight rod 904 to move downwards, when the knife edge of the trimming knife 7 is tangent to the workbench 8, the second straight rod 904 extrudes the first straight rod 903 downwards, the connecting piece 902 drives the connecting rod 905 to move downwards and simultaneously drive the first piston 906 and the second piston 907 to move downwards, negative pressure is generated at the top end of the piston groove 909, cut waste scraps are sucked into the piston groove 909, when the bottom of the first piston 906 is attached to the bottom of the piston groove 909, the waste scraps which are cut off due to air pressure disappearance enter the waste scrap collecting box 911 from the discharge port 910, and therefore the effect of automatically collecting the trimming waste scraps is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PP tableware extrusion back side cut equipment, includes base (1), its characterized in that: the automatic trimming machine is characterized in that a motor (2) is fixedly connected inside the base (1), an output shaft of the motor (2) is fixedly connected with a threaded rod (3), the top end of the base (1) is fixedly connected with a fixed pipe (4), the outer wall of the threaded rod (3) is in threaded connection with a threaded sleeve (5), the right end of the threaded sleeve (5) is fixedly connected with a positioning sleeve (6), the right side of the positioning sleeve (6) is fixedly connected with a trimming knife (7), the top end of the base (1) is fixedly connected with a workbench (8), and the top end of the base (1) is provided with a collecting device (9);

the collecting device (9) comprises a return spring (901), the top end of the return spring (901) is fixedly connected with a connecting piece (902), the top end of the connecting piece (902) is fixedly connected with a first straight rod (903), the bottom end of the positioning sleeve (6) is fixedly connected with a second straight rod (904), the right side of the connecting piece (902) is fixedly connected with a connecting rod (905), the right side of the connecting rod (905) is fixedly connected with a first piston (906), the top end of the first piston (906) is fixedly connected with a second piston (907), the right side of the workbench (8) is fixedly connected with a mounting block (908), a piston groove (909) is formed in the mounting block (908), a discharge hole (910) is formed in the bottom of the left side of the mounting block (908), and a waste scrap collecting box (911) is fixedly connected with the top end of the base (1).

2. The PP tableware extrusion molding post-trimming equipment according to claim 1, wherein: the left side of the bottom of the trimming knife (7) and the top end of the right side of the workbench (8) are positioned on the same horizontal plane.

3. The PP tableware extrusion molding post-trimming equipment according to claim 1, wherein: the bottom end of the return spring (901) is fixedly connected with the bottom end of the fixed pipe (4).

4. The PP tableware extrusion molding post-trimming equipment according to claim 1, wherein: the top end of the first straight rod (903) and the top end of the workbench (8) are located on the same horizontal plane, and the bottom ends of the second straight rod (904) and the trimming knife (7) are located on the same horizontal line.

5. The PP tableware extrusion post-trimming apparatus according to claim 1, wherein: the piston groove (909) comprises a large groove and a small groove, the top end of the small groove is communicated with the top end of the mounting block (908), and the discharge hole (910) is communicated with the large groove.

6. The PP tableware extrusion molding post-trimming equipment according to claim 1, wherein: the outer wall of the first piston (906) is attached to the inner wall of the large groove, and the outer wall of the second piston (907) is attached to the inner wall of the small groove.