CN215921071U

CN215921071U - Thermal forming die for trimming process

Info

Publication number: CN215921071U
Application number: CN202122295673.2U
Authority: CN
Inventors: 赖泽锋; 刘斌; 李思洪; 陈华林
Original assignee: Ji'an Rui Pengfei Precision Technology Co ltd
Current assignee: Ji'an Rui Pengfei Precision Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-01
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to a thermal forming die, in particular to a thermal forming die for a trimming process. The utility model provides the thermal forming die which is uniform in trimming, can effectively improve the working efficiency, and can be used for the trimming process without manually holding a cutter. The utility model provides a thermoforming mould that can be used to deburring technology, includes first gag lever post, connecting block, shaping piece, pressure spring, second gag lever post, depression bar, annular sword and reset spring etc. down, the equal front-back symmetrical welding in shaping piece left and right sides has the connecting block, all is equipped with first gag lever post on the four connecting blocks of sliding type. The plastic sheet can be heated under the action of the heating block, so that the plastic solution can fill in the gap between the heating block and the shaping block, and after eighty percent of molding and cooling, the waste material at the edge of the container can be trimmed under the action of the annular cutter, so that the plastic container does not need manual trimming at the later stage, the trimming is uniform, and the plastic container is not easy to damage.

Description

Thermal forming die for trimming process

Technical Field

The utility model relates to a thermal forming die, in particular to a thermal forming die for a trimming process.

Background

More plastic containers are processed by extrusion molding, some plastic sheets are generally heated, the heated solution is poured into the plastic blocks for extrusion molding, more leftover materials are generated at the edges of the molded plastic containers and need to be trimmed, trimming is not performed during the extrusion molding, a general trimming mode is to manually carry out grinding by holding a cutter at the later stage, the plastic containers are fully cooled at the later stage, the containers are easy to break during trimming, the trimming is not uniform, the integral attractiveness is affected, defective products are more, the labor amount of manual operation is large, and the working efficiency is also affected.

Therefore, a thermoforming mold which has uniform trimming, can effectively improve the working efficiency and can be used for the trimming process without manually holding a cutter needs to be designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the efficiency of the mode of trimming the molded plastic container by manually holding a cutter at the later molding stage of the plastic container is too low, the plastic container is easy to break, the trimming is not uniform, and the labor capacity is large, the technical problems to be solved are as follows: the thermoforming mold is uniform in trimming, capable of effectively improving working efficiency and capable of being used for trimming processes without manually holding a cutter.

A thermoforming mold capable of being used for an edge trimming process comprises a first limiting rod, connecting blocks, a shaping block, lifting blocks, heating blocks, a compression spring, a second limiting rod, a lower pressing rod, an annular cutter and a reset spring, wherein the connecting blocks are symmetrically welded on the front side and the rear side of the left side and the right side of the shaping block, the first limiting rods are arranged on the four connecting blocks in a sliding mode, the lifting blocks are arranged between the upper sides of the two first limiting rods on the same longitudinal side in a sliding mode, the heating blocks are arranged between the two lifting blocks in a sliding mode, the compression springs are connected between the front side and the rear side of the two lifting blocks and the first limiting rods on the same side in a sliding mode, the second limiting rod is connected in the middle of the top of the heating block in a screw connection mode, the lower pressing rod is arranged on the second limiting rod in a sliding mode, the lower pressing rod is connected with the heating blocks in a sliding mode, the annular cutter is welded at the bottom of the lower pressing rod, the annular cutter is positioned inside the heating block, and the reset spring is connected between the lower pressing rod and the heating block, the return spring is sleeved on the second limiting rod.

In addition, it is especially preferred that the device further comprises an electric slide rail, a slide bar, a nicking tool, a return spring, a pull ring, a supporting block and a collecting frame, wherein the electric slide rail is installed between the tops of the two first limiting rods on the front side, the slide bar is slidably arranged on the left side inside the electric slide rail, the nicking tool is slidably arranged on the slide bar, the pull ring is arranged on the top of the nicking tool, the return spring is connected between the nicking tool and the slide bar, the supporting block is welded on the front side of the lower portion of the two first limiting rods on the rear side, and the collecting frame is slidably arranged between the two supporting blocks.

Furthermore, it is particularly preferred that the outer side of the tab is provided with rubber.

In addition, it is especially preferred that the bottoms of the four first limiting rods are provided with anti-skid pads.

Furthermore, it is particularly preferred that the heating block is coated with a thermally insulating layer on top.

Furthermore, it is particularly preferred that the four first limiting rods are made of wear-resistant alloy steel.

The utility model has the beneficial effects that: 1. the plastic sheet can be heated under the action of the heating block, so that the plastic solution fills in the gap between the heating block and the shaping block, and after eighty percent of molding and cooling, the waste material at the edge of the container can be trimmed under the action of the annular cutter, so that the plastic container does not need to be trimmed manually at the later stage, the trimming is uniform, and the plastic container is not easy to damage;

2. the waste material after can making the cutting drop and clear up in collecting the frame under the effect of burin, and is more convenient, need not the manual work and cuts apart.

Drawings

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

Fig. 2 is a schematic perspective view of a first part of the present invention.

Fig. 3 is a partial cross-sectional view of the present invention.

Fig. 4 is a perspective view of a second part of the present invention.

Fig. 5 is a perspective view of a third part of the present invention.

Number designation in the figures: 1: first gag lever post, 2: connecting block, 3: shaped block, 4: lifting block, 5: heating block, 6: compression spring, 7: second gag lever post, 8: lower pressing rod, 9: annular knife, 10: return spring, 11: electric slide rail, 12: slide bar, 13: nicking tool, 14: return spring, 15: pull ring, 16: supporting block, 17: and (5) collecting the frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example 1

A thermoforming mold capable of being used for a trimming process is shown in figures 1-5 and comprises a first limiting rod 1, connecting blocks 2, shaping blocks 3, lifting blocks 4, heating blocks 5, compression springs 6, a second limiting rod 7, a lower compression rod 8, an annular cutter 9 and a reset spring 10, wherein the connecting blocks 2 are symmetrically welded on the left side and the right side of each shaping block 3 from front to back, the first limiting rods 1 are arranged on the four connecting blocks 2 in a sliding mode, anti-slip pads are arranged at the bottoms of the four first limiting rods 1 and play a role in anti-slip and are more stable, the lifting blocks 4 are arranged between the upper sides of the two first limiting rods 1 on the same longitudinal side in a sliding mode, the heating blocks 5 used for heating plastic sheets are arranged between the two lifting blocks 4 in a sliding mode, the tops of the heating blocks 5 are coated with heat insulation layers to prevent workers from being touched and scalded, the compression springs 6 are connected between the front side and the back sides of the two lifting blocks 4 and the first limiting rods 1 on the same side, the four first limiting rods 1 are made of wear-resistant alloy steel, so the heating block 5 repeatedly slides on the first limiting rods 1, the first limiting rods 1 are not easily damaged, the service life is longer, the middle of the top of the heating block 5 is connected with the second limiting rod 7 in a screw connection mode, the second limiting rod 7 is slidably provided with a lower pressing rod 8, the lower pressing rod 8 is slidably connected with the heating block 5, the bottom of the lower pressing rod 8 is welded with an annular cutter 9 used for trimming a formed container, the annular cutter 9 is located inside the heating block 5, a reset spring 10 is connected between the lower pressing rod 8 and the heating block 5, and the reset spring 10 is sleeved on the second limiting rod 7.

When a plastic container needs to be processed, a worker can firstly place a plastic sheet on the top of the shaping block 3, can press the lifting block 4 downwards to drive the heating block 5 to move downwards, further drive the lower pressing rod 8 and the annular cutter 9 to move downwards, the heating block 5 moves downwards to compress the compression spring 6, after the heating block 5 is contacted with the plastic sheet, the worker can start the heating block 5 to work, so that the heating block 5 heats the plastic sheet, the plastic sheet is melted into a plastic solution, the heating block 5 can be closed, the worker can continuously press the lifting block 4 to enable the heating block 5 to be attached to the shaping block 3, the plastic solution flows into a gap between the heating block 5 and the shaping block 3, at the moment, the worker can use a tool to rapidly cool the plastic solution, after the plastic solution is cooled to eighty percent, the worker can use the other hand to press the pressing rod 8 downwards, the annular knife 9 is driven to move downwards, the return spring 10 is compressed, the annular knife 9 cuts the outer edge of the cooled plastic container, the cut waste materials are annular, a worker can cut off the waste materials, the waste materials fall to the ground, if the waste materials are not cut completely, the waste materials need to be manually pulled out, after the outer edge of the container is trimmed, the worker releases the lower pressure rod 8, so that the lower pressure rod 8 drives the annular knife 9 to move upwards to reset under the action of the reset spring 10, at the moment, the lifting block 4 can be simultaneously loosened, so that the lifting block 4 drives the heating block 5, the lower pressing rod 8 and the annular knife 9 to move upwards to reset under the action of the compression spring 6, a worker can take out the molded and trimmed plastic container, the plastic container after being molded can be trimmed by repeated operation, the processing and trimming are carried out simultaneously, the labor is saved, the efficiency is high, and the plastic container is trimmed uniformly.

The automatic cutting machine is characterized by further comprising an electric sliding rail 11, a sliding rod 12, a graver 13, a return spring 14, a pull ring 15, supporting blocks 16 and a collecting frame 17, wherein the electric sliding rail 11 is installed between the tops of the two first limiting rods 1 on the front side, the sliding rod 12 is arranged on the left side inside the electric sliding rail 11 in a sliding mode, the graver 13 used for cutting off formed container leftover materials is arranged on the sliding rod 12 in a sliding mode, the pull ring 15 is arranged on the top of the graver 13 and is convenient to pull the graver 13, rubber is arranged on the outer side of the pull ring 15, a worker can not draw his hands when pulling the pull ring 15, the return spring 14 is connected between the graver 13 and the sliding rod 12, the supporting blocks 16 are welded on the front sides of the lower portions of the two first limiting rods 1 on the rear side, and the collecting frame 17 used for collecting waste materials is installed between the two supporting blocks 16 in a sliding mode.

When a worker presses the lifting block 4 downwards to drive the heating block 5 to move downwards, the worker can firstly pull the pull ring 15 upwards to drive the nicking tool 13 to move upwards, so that the return spring 14 is compressed, the nicking tool 13 can not block the heating block 5, the heating block 5 can continuously move downwards to heat and mold a plastic sheet, after the plastic container is molded, the worker firstly enables the annular cutter 9 to trim the plastic container, after the heating block 5 drives the annular cutter 9 to reset, the worker can loosen the pull ring 15, so that the nicking tool 13 drives the pull ring 15 to move downwards under the action of the return spring 14 to reset, the nicking tool 13 is contacted with the waste material on the edge of the plastic container, at the moment, the worker starts the electric slide rail 11 to work, the electric slide rail 11 drives the slide bar 12 to move towards the right side to further drive the nicking tool 13 to move towards the right side, the nicking tool 13 moves along the outer edge of the plastic container, and can cut off the waste material cut along the outer edge, make the waste material drop to in collecting the frame 17, electronic slide rail 11 drives slide bar 12 and removes to the right side after initial value, will drive slide bar 12 and burin 13 automatically and move to the left side and reset, strike off the back along the waste material when the plastic container, the staff closes electronic slide rail 11, can pull forward and collect frame 17 and take off, clear up the waste material in collecting the frame 17, after the garbage cleaning finishes, will collect frame 17 and put back between two supporting shoes 16 can, so can need not the manual work and cut off the waste material of cutting, easy operation is quick.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A hot forming die for trimming process is characterized in that: comprises a first limiting rod (1), connecting blocks (2), a shaping block (3), lifting blocks (4), heating blocks (5), compression springs (6), a second limiting rod (7), lower compression rods (8), an annular knife (9) and a reset spring (10), wherein the connecting blocks (2) are symmetrically welded on the left side and the right side of the shaping block (3) front and back, the first limiting rods (1) are arranged on the four connecting blocks (2) in a sliding manner, the lifting blocks (4) are arranged between the upper sides of the two first limiting rods (1) on the same longitudinal side in a sliding manner, the heating blocks (5) are arranged between the two lifting blocks (4) in a sliding manner, the compression springs (6) are connected between the front side and the back side of the two lifting blocks (4) and the first limiting rods (1) on the same side in a sliding manner, the second limiting rod (7) is connected in the middle of the top of the heating blocks (5) in a screw connection manner, the lower compression rods (8) are arranged on the second limiting rods (7) in a sliding manner, lower depression bar (8) link to each other with heating piece (5) slidingtype, and the welding of lower depression bar (8) bottom has annular sword (9), and annular sword (9) are located the inside of heating piece (5), are connected with reset spring (10) between lower depression bar (8) and heating piece (5), and reset spring (10) cover is on second gag lever post (7).

2. A thermoforming mold useful in an edging process as claimed in claim 1, wherein: still including electronic slide rail (11), slide bar (12), burin (13), return spring (14), pull ring (15), supporting shoe (16) and collection frame (17), install electronic slide rail (11) between two first gag lever post (1) tops of front side, the inside left side slidingtype of electronic slide rail (11) is equipped with slide bar (12), slide bar (12) go up the slidingtype and are equipped with burin (13), burin (13) top is equipped with pull ring (15), be connected with return spring (14) between burin (13) and slide bar (12), supporting shoe (16) have all been welded to two first gag lever post (1) lower part front sides of rear side, collection frame (17) are installed to the slidingtype between two supporting shoe (16).

3. A thermoforming mold useful in an edging process as claimed in claim 2, wherein: rubber is arranged on the outer side of the pull ring (15).

4. A thermoforming mold useful in an edging process as claimed in claim 1, wherein: the bottoms of the four first limiting rods (1) are provided with anti-slip pads.

5. A thermoforming mold useful in an edging process as claimed in claim 1, wherein: the top of the heating block (5) is coated with a heat insulation layer.

6. A thermoforming mold useful in an edging process as claimed in claim 1, wherein: the four first limiting rods (1) are made of wear-resistant alloy steel.