CN211074677U

CN211074677U - Anti-falling device for material pressing frame of thermoforming plastic sucking machine

Info

Publication number: CN211074677U
Application number: CN201921470699.2U
Authority: CN
Inventors: 易建明; 易焜; 易煜
Original assignee: Dongguan Pudi Mechanical Equipment Co ltd
Current assignee: Dongguan Pudi Mechanical Equipment Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-24
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a thermoforming plastic uptake machine pressure material frame anti-falling device, the plastic uptake machine includes the die cavity, the pressure material frame of setting above the die cavity, anti-falling device includes the guide pillar, the subassembly of preventing falling at the guide pillar middle part is set up, the guide pillar is vertical to be fixed on the plastic uptake machine board, press material frame upper end to be provided with the lift cylinder that the drive pressure material frame reciprocated along the guide pillar, prevent that the subassembly that falls includes the dog, the apparatus further comprises a rotating shaft, drive actuating cylinder and connecting seat, the one end and the perpendicular rigid coupling of pivot of dog, the other end of dog sets up to the expansion end, the drive end that drives actuating cylinder is connected with the middle part of dog, the connecting seat is fixed on the guide pillar, drive actuating cylinder and connecting seat pin joint, pivot and guide pillar pin joint, the expansion end that drives actuating cylinder. The utility model discloses a drive actuating cylinder and stretch out the dog expansion end to pressing material frame lower extreme in order to stop to press the material frame to fall from the through-hole, guarantee the safety of operating personnel and board.

Description

Anti-falling device for material pressing frame of thermoforming plastic sucking machine

Technical Field

The utility model relates to a plastic uptake machine technical field, in particular to thermoforming plastic uptake machine pressure material frame anti-falling device.

Background

The plastic suction molding is also called as thermoplastic molding, wherein thermoplastic plastic sheets such as PVC, PET, PP, PE and the like which are heated and softened are subjected to plastic suction molding through a mold into products with various shapes by vacuum suction force generated by a vacuum pump of a plastic suction machine or are attached to the surfaces of the products with various shapes, and the plastic suction is divided into thin plastic suction and thick plastic suction according to the thickness of the sheets. In thermoforming and thick piece plastic uptake course of working, current plastic uptake board need adopt the manual work to place the die cavity with the sheet in, and press the material frame to push down the sheet through the cylinder whereabouts, when the air supply of the cylinder of drive pressure material frame is unstable, press the material frame to drop under the effect of gravity, the incident appears easily in the process that leads to the operation workman to go up the unloading, consequently it improves production safety to be necessary to design the structure that prevents to press the material frame to fall out of control.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a thermoforming plastic uptake machine pressure material frame anti-falling device to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows: a falling-proof device for a material pressing frame of a thermoforming plastic-absorbing machine, the plastic sucking machine comprises a die cavity and a material pressing frame arranged above the die cavity, the anti-falling device comprises a guide post and an anti-falling assembly arranged in the middle of the guide post, the guide post is vertically fixed on a machine table of the plastic uptake machine, the upper end of the material pressing frame is provided with a lifting cylinder for driving the material pressing frame to move up and down along the guide post, the anti-falling component comprises a stop block, a rotating shaft, a driving cylinder and a connecting seat, one end of the stop block is vertically and fixedly connected with the rotating shaft, the other end of the block is arranged as a movable end, the driving end of the driving cylinder is connected with the middle part of the block, the connecting seat is fixed on the guide post, the driving cylinder is pivoted with the connecting seat, the rotating shaft is pivoted with the guide post, the movable end of the driving cylinder driving block rotates to the lower end of the material pressing frame by taking the rotating shaft as a center so as to prevent the material pressing frame from falling.

As a further elaboration of the above technical solution:

in the technical scheme, the guide surface and the installation surface are respectively arranged on two sides of the guide pillar in the thickness direction, the material pressing frame moves along the guide surface, the anti-falling assembly is arranged on the installation surface, the installation surface is provided with the installation groove along the length direction of the guide pillar, the rotating shaft is connected with the inner wall of the installation groove, and the connecting seat is fixed at the bottom of the installation groove.

In the technical scheme, a square through hole is formed in the bottom of the mounting groove, and the movable end of the stop block extends out of the through hole to the guide surface under the driving of the driving cylinder when the pressing frame falls.

In the technical scheme, the driving end of the driving cylinder is provided with a fisheye joint, the middle of the stop block is provided with two connecting lugs pivoted with the fisheye joint, and the two connecting lugs are symmetrically arranged on the stop block.

In the above technical scheme, the dog is L style of calligraphy, the minor face of dog sets up to the expansion end, the long limit and the pivot of dog are connected, the engaging lug is fixed on the long limit of dog.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model has the advantages of reasonable structure, novel design, therefore, the clothes hanger is strong in practicability, under normal condition, it can stimulate the dog expansion end and move back to in the mounting groove to drive actuating cylinder, avoid influencing the normal work of pressing the material frame, when pressing the material frame and remove the top of plastic uptake machine under lift cylinder's effect, it starts to drive actuating cylinder, the drive end that drives actuating cylinder upwards promotes the dog, make the dog expansion end use the pivot to rotate and stretch out to pressing material frame lower extreme in order to block to press the material frame to fall as the center from the through-hole, infrared detection on the cooperation board, can not roll back the dog expansion end when pressing material frame below to have the foreign matter to appear, the pressure material frame that makes out of control fall can not drop under the blockking of dog, guarantee at the in-process of last unloading and the safety of operating personnel when overhauing the board.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a mold cavity; 2. pressing the material frame; 3. a lifting cylinder; 4. a guide post; 41. a guide surface; 42. mounting grooves; 43. a through hole; 5. a stopper; 51. a movable end; 52. connecting lugs; 53. a rotating shaft; 6. a driving cylinder; 61. a fisheye joint; 7. a connecting seat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in figure 1, the anti-falling device for the material pressing frame of the thermoforming blister machine comprises a die cavity 1 and a material pressing frame 2 arranged above the die cavity 1, the anti-falling device comprises a guide post 4 and an anti-falling assembly arranged in the middle of the guide post 4, the guide post 4 is vertically fixed on a machine table of the blister machine, a lifting cylinder 3 for driving the material pressing frame 2 to move up and down along the guide post 4 is arranged at the upper end of the material pressing frame 2, the anti-falling assembly comprises a stop block 5, pivot 53, drive actuating cylinder 6 and connecting seat 7, the one end and the perpendicular rigid coupling of pivot 53 of dog 5, the other end of dog 5 sets up to expansion end 51, the drive end that drives actuating cylinder 6 is connected with the middle part of dog 5, connecting seat 7 is fixed on guide pillar 4, drive actuating cylinder 6 and the pin joint of connecting seat 7, pivot 53 and the pin joint of guide pillar 4, the expansion end 51 that drives actuating cylinder 6 drive dog 5 uses pivot 53 to rotate to pressing the material frame 2 lower extreme as the center and falls in order to block pressing the material frame 2.

Guide surfaces 41 and installation surfaces are respectively arranged on two sides of the guide post 4 in the thickness direction, the material pressing frame 2 moves along the guide surfaces 41, the anti-falling assembly is arranged on the installation surfaces, the installation surfaces are provided with installation grooves 42 along the length direction of the guide post 4, the rotating shaft 53 is connected with the inner walls of the installation grooves 42, and the connecting seat 7 is fixed at the bottom of the installation grooves 42.

The bottom of the mounting groove 42 is provided with a square through hole 43, and the movable end 51 of the block 5 extends out of the through hole 43 to the guide surface 41 under the driving of the driving cylinder 6 when the blocking pressing frame 2 falls.

The drive end of the driving cylinder 6 is provided with a fisheye joint 61, the middle part of the block 5 is provided with two connecting lugs 52 pivoted with the fisheye joint 61, and the two connecting lugs 52 are symmetrically arranged on the block 5.

The block 5 is shaped like L, the short side of the block 5 is set as the movable end 51, the long side of the block 5 is connected with the rotating shaft 53, and the connecting lug 52 is fixed on the long side of the block 5.

The utility model has the advantages of reasonable structure, novel design, therefore, the clothes hanger is strong in practicability, under normal condition, it can stimulate 5 expansion end 51 of dog to retreat in mounting groove 42 to drive actuating cylinder 6, avoid influencing the normal work of pressure material frame 2, when pressure material frame 2 moves the top of plastic uptake machine under lift cylinder 3's effect, it starts to drive actuating cylinder 6, the drive end that drives actuating cylinder 6 upwards promotes dog 5, make 5 expansion end 51 of dog rotate and stretch out to pressing material frame 2 lower extreme in order to block pressure material frame 2 to fall as the center from through-hole 43 with pivot 53, infrared detection on the cooperation board, can not retreat 5 expansion end 51 of dog when pressing material frame 2 below to have the foreign matter to appear, the pressure material frame 2 that makes out of control to fall can not drop under the blockking of dog 5, guarantee at the in-process of last unloading and the safety of operating personnel when overhauing the board and board.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A falling-proof device for a material pressing frame of a thermoforming plastic suction machine is disclosed, the thermoforming plastic suction machine comprises a mold cavity and the material pressing frame arranged above the mold cavity, the method is characterized in that: the anti-falling device comprises a guide post and an anti-falling assembly arranged in the middle of the guide post, the guide post is vertically fixed on a machine table of the plastic uptake machine, the upper end of the material pressing frame is provided with a lifting cylinder for driving the material pressing frame to move up and down along the guide post, the anti-falling component comprises a stop block, a rotating shaft, a driving cylinder and a connecting seat, one end of the stop block is vertically and fixedly connected with the rotating shaft, the other end of the block is arranged as a movable end, the driving end of the driving cylinder is connected with the middle part of the block, the connecting seat is fixed on the guide post, the driving cylinder is pivoted with the connecting seat, the rotating shaft is pivoted with the guide post, the movable end of the driving cylinder driving block rotates to the lower end of the material pressing frame by taking the rotating shaft as a center so as to prevent the material pressing frame from falling.

2. The anti-falling device for the pressing frame of the thermoforming plastic sucking machine as claimed in claim 1, wherein the guide post is provided with a guide surface and a mounting surface on both sides in the thickness direction, the pressing frame moves along the guide surface, the anti-falling assembly is arranged on the mounting surface, the mounting surface is provided with a mounting groove along the length direction of the guide post, the rotating shaft is connected with the inner wall of the mounting groove, and the connecting seat is fixed at the bottom of the mounting groove.

3. The anti-falling device for the pressing frame of the thermoforming plastic sucking machine as claimed in claim 2, wherein a square through hole is formed at the bottom of the mounting groove, and the movable end of the stop block is driven by the driving cylinder to extend out of the through hole to the guiding surface when the pressing frame is prevented from falling.

4. The anti-falling device for the material pressing frame of the thermoforming plastic sucking machine as claimed in claim 3, wherein the driving end of the driving cylinder is provided with a fisheye joint, the middle part of the block is provided with two connecting lugs pivotally connected with the fisheye joint, and the two connecting lugs are symmetrically arranged on the block.

5. The anti-falling device for the material pressing frame of the thermoforming plastic sucking machine as claimed in claim 4, wherein the block is shaped like L, the short side of the block is a movable end, the long side of the block is connected with the rotating shaft, and the connecting lug is fixed on the long side of the block.