CN213386921U

CN213386921U - Feeding mechanism of plastic sucking machine

Info

Publication number: CN213386921U
Application number: CN202022109903.7U
Authority: CN
Inventors: 张文俊
Original assignee: Huizhou Junxingfa Handicraft Co ltd
Current assignee: Huizhou Junxingfa Handicraft Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-08
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a plastic uptake machine feed mechanism includes frame, unwinding device and locking device, and unwinding device and locking device set up in the frame respectively; the arrangement of the buffer spring, the buffer bearing and the buffer plate can effectively buffer the shaking of the unwinding roller, so that the shaking of a plastic material roll sleeved on the unwinding roller is avoided, the plastic material belt can be conveyed along a preset track, and finally the plastic material belt can be accurately conveyed to a heating mechanism on a plastic sucking machine; meanwhile, due to the arrangement of the buffer spring, the buffer bearing and the buffer plate, the plastic material belt can be prevented from being wrinkled in the conveying process, so that the situation that the local thickness of a plastic finished product is too large is avoided; locking device and holding ring's setting, including seting up of constant head tank for operating personnel only need loosen and unscrew the screw and can accomplish the dismantlement of unreeling the roller, still make operating personnel only need with the holding ring correspond insert in the constant head tank and screw up the screw and can accomplish the location installation of unreeling the roller.

Description

Feeding mechanism of plastic sucking machine

Technical Field

The utility model relates to a plastic uptake field especially relates to a plastic uptake machine feed mechanism.

Background

And (3) plastic suction, namely, attaching the plastic material belt after being heated and softened to the surface of a mold in a vacuum adsorption mode, and forming a plastic finished product which is attached to the outline of the mold after the sheet is cooled and formed.

At present, manufacturers generally use a plastic suction machine to perform a plastic suction process, and the plastic suction machine is provided with a feeding mechanism for unreeling and conveying a plastic material belt, a heating mechanism for heating the plastic material belt, and a vacuum adsorption mechanism for attaching the softened plastic material belt to a mold surface, wherein the feeding mechanism of the existing plastic suction machine encounters several technical problems in an actual application process:

firstly, when a plastic material roll is unreeled by a feeding mechanism of a plastic uptake machine, the plastic material roll is generally directly sleeved on an unreeling roller, and the unreeling roller is easy to shake in a pivoting process in the unreeling process, so that a material belt unreeled by people is easy to deviate from a preset conveying track, the material belt cannot be accurately conveyed to a preset position of a heating mechanism, and finally, the heated material belt has the phenomenon that part of the material belt is low in temperature and cannot be completely attached to a mold, and the plastic uptake processing precision of the plastic uptake machine is reduced;

secondly, the existing plastic sucking machine feeding mechanism has the defect that a plastic material roll is difficult to replace, particularly, a processing worker needs to spend more time to disassemble and assemble the unwinding roller, and in the installation process, the installation position of the unwinding roller needs to be repeatedly debugged, so that the unwound plastic material belt can be accurately conveyed to the heating mechanism;

third, the plastics material area unreels to heating mechanism's in-process from unreeling the roller, if the plastics material book appears rocking, still can lead to the surface in material area fold to appear very easily, and its roughness can be on the low side after heating in the material area that has the fold to lead to final fashioned plastics finished product local thickness too big condition can appear, greatly reduced the yields of product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a plastic uptake machine feed mechanism, this plastic uptake machine feed mechanism not only can prevent to unreel the roller and take place to rock unreeling the in-process, can accomplish the location and the change of plastic material book fast moreover, can also avoid the plastic material area to appear the fold unreeling the in-process.

The purpose of the utility model is realized through the following technical scheme:

a blister machine feed mechanism comprising:

the device comprises a rack, a positioning groove and a positioning mechanism, wherein the rack is provided with the positioning groove;

the unwinding device comprises an unwinding roller, a positioning ring, a limiting piece, a sliding piece, a limiting pin, a buffer plate, a buffer bearing and a buffer spring, wherein the positioning ring is sleeved on the unwinding roller, the positioning ring is rotatably arranged in the positioning groove, the limiting piece is arranged on the rack, the sliding piece is slidably arranged on the rack, the sliding piece penetrates through the limiting piece, the limiting pin penetrates through the sliding piece, the limiting pin is used for mutually supporting the limiting piece, the buffer plate and the buffer bearing are respectively arranged on the sliding piece, the buffer bearing is used for mutually supporting the unwinding roller, the buffer spring is arranged on the limiting piece, and the buffer spring is used for mutually supporting the buffer plate; and

the locking device comprises a locking piece and a screw, the locking piece is rotatably arranged on the rack, a locking groove is formed in the locking piece and used for containing the positioning ring, the screw penetrates through the locking piece, and the screw is used for being in threaded connection with the rack.

In one embodiment, the plastic uptake machine feed mechanism still includes overspeed device tensioner, overspeed device tensioner includes slide, tensioning roller, counter weight roller and switching-over roller, the slide set up in the frame, the tensioning roller with the counter weight roller rotate respectively set up in on the slide, the tensioning roller is used for propping up each other with the plastics material area and holds, the switching-over roller rotate set up in the frame.

In one embodiment, the tensioning device further comprises a driven roller, the driven roller is rotatably arranged on the rack, and the tensioning roller is located between the reversing roller and the driven roller.

In one embodiment, the tensioning device further comprises a counterweight sleeve and a counterweight, the counterweight sleeve is sleeved on the counterweight roller, and the counterweight is connected with the counterweight sleeve.

In one embodiment, the sliding member has a plurality of limiting holes, and each of the limiting holes is used for accommodating the limiting pin.

In one embodiment, the unwinding device further includes a stop pin, the sliding member further has a plurality of stop holes, each of the stop holes is used for accommodating the stop pin, and the stop pin is used for supporting the limit member.

In one embodiment, the limiting part comprises a play limiting block and a buffer limiting block, the play limiting block and the buffer limiting block are both located on the rack, the play limiting block is located between the limiting pin and the gear pin, the play limiting block is used for mutually supporting the limiting pin and the gear pin, and the buffer spring is located on the buffer limiting block.

In one embodiment, the unwinding device further includes a guide rod and two blocking pieces, the guide rod is inserted into the buffer limiting block, the two blocking pieces are correspondingly arranged at two ends of the guide rod one by one, the buffer spring is sleeved on the guide rod, and one of the blocking pieces is used for supporting the buffer plate and the buffer spring mutually.

In one embodiment, the feeding mechanism of the plastic uptake machine further comprises a roll clamping device, the roll clamping device comprises a roll clamping sleeve and a roll clamping screw, the roll clamping sleeve is sleeved on the unwinding roller, the roll clamping screw is in threaded connection with the roll clamping sleeve, and the roll clamping screw is used for being mutually supported against the unwinding roller.

In one embodiment, the buffer bearing is a ball bearing.

Compared with the prior art, the utility model discloses advantage and beneficial effect below having at least:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a feeding mechanism of a vacuum forming machine according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a feeding mechanism of a plastic sucking machine according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

FIG. 4 is an enlarged schematic view of FIG. 1 at B;

fig. 5 is a schematic structural view of a feeding mechanism of a vacuum forming machine according to an embodiment of the present invention;

fig. 6 is an enlarged schematic view at C of fig. 5.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a feeding mechanism 10 of a plastic sucking machine includes a frame 100, an unwinding device 200 and a locking device 300, wherein the unwinding device 200 and the locking device 300 are respectively disposed on the frame 100.

The plastic sucking machine feeding mechanism 10 is used for unreeling the plastic material belt to a heating mechanism on the plastic sucking machine; the frame 100 plays a supporting role; the unwinding device 200 is used for unwinding a plastic material roll into a plastic material belt and unwinding the plastic material belt to a heating mechanism on a plastic sucking machine; the locking device 300 functions to prevent the unwinding device 200 from being detached from the frame 100.

Referring to fig. 2, a positioning groove 110 is formed on the frame 100.

It should be noted that the positioning groove 110 functions to position the mounting position of the unwinding device 200.

Referring to fig. 1, 2 and 3, the unwinding device 200 includes an unwinding roller 210, a positioning ring 220, a limiting member 230, a sliding member 240, a limiting pin 250, a buffering plate 260, a buffering bearing 270 and a buffering spring 280, wherein the positioning ring 220 is sleeved on the unwinding roller 210, the positioning ring 220 is rotatably disposed in the positioning groove 110, the limiting member 230 is disposed on the rack 100, the sliding member 240 is slidably disposed on the rack 100, the sliding member 240 is disposed through the limiting member 230, the limiting pin 250 is disposed through the sliding member 240, the limiting pin 250 is configured to be supported by the limiting member 230, the buffering plate 260 and the buffering bearing 270 are respectively disposed on the sliding member 240, the buffering bearing 270 is configured to be supported by the unwinding roller 210, the buffering spring 280 is disposed on the limiting member 230, and the buffering spring 280 is configured to be supported by the buffering plate 260.

It should be noted that the unwinding roller 210 plays a role of fixing the plastic material roll; the positioning ring 220 is used for being inserted into the positioning groove 110, thereby playing a role of positioning the unwinding roller 210; the limiting member 230 functions as a limiting sliding member 240, and specifically, since the sliding member 240 is inserted into the limiting member 230, the sliding member 240 can only slide relative to the frame 100 without departing from the limiting member 230; the stopper 230 also functions to fix the buffer spring 280; the sliding member 240 functions to support the rotation of the buffer bearing 270; the stopper pin 250 functions to prevent the slider 240 from being directly released from the stopper 230; the buffer plate 260 is used for supporting against the buffer spring 280; the buffer bearing 270 is used for supporting the unwinding roller 210 to rotate; the buffer spring 280 acts as a buffer force.

It should be added that, when the unreeling roller 210 shakes in the vertical direction, the shake is transferred to the buffer bearing 270 in advance, and the buffer bearing 270 is located on the sliding member 240, so that the shake on the unreeling roller 210 is further transferred to the sliding member 240, thereby causing the sliding member 240 to slide relative to the rack 100, and further causing the buffer plate 260 arranged on the sliding member 240 to compress the buffer spring 280, so that the buffer spring 280 will buffer the shake on the unreeling roller 210, thereby realizing the effect of reducing the shaking degree of the unreeling roller 210.

Referring to fig. 2 and 4, the locking device 300 includes a locking member 310 and a screw 320, the locking member 310 is rotatably disposed on the rack 100, the locking member 310 is provided with a locking groove 311, the locking groove 311 is used for accommodating the positioning ring 220, the screw 320 penetrates through the locking member 310, and the screw 320 is used for being screwed with the rack 100.

It should be noted that the locking member 310 is used to fix the positioning ring 220; the screw 320 is used for fixing the locking member 310 on the rack 100; the locking groove 311 and the positioning groove 110 together function as a limiting positioning ring 220; specifically, when the unwinding roller 210 rotates, the positioning ring 220 is always limited in the locking groove 311 and the positioning groove 110, so that when the unwinding roller 210 axially moves, the positioning ring 220 is always limited in the groove walls of the locking groove 311 and the positioning groove 110, thereby effectively avoiding the unwinding roller 210 from axially moving in a large range.

Referring to fig. 5 and fig. 6, in one embodiment, the plastic sucking machine feeding mechanism 10 further includes a tensioning device 400, the tensioning device 400 includes a sliding base 410, a tensioning roller 420, a counterweight roller 430 and a reversing roller 440, the sliding base 410 is slidably disposed on the machine frame 100, the tensioning roller 420 and the counterweight roller 430 are respectively rotatably disposed on the sliding base 410, the tensioning roller 420 is configured to be supported against the plastic material belt, and the reversing roller 440 is rotatably disposed on the machine frame 100.

It should be noted that the tensioning device 400 is used for increasing the surface tension of the plastic material belt unreeled from the unreeling device 200 to the heating frame of the plastic sucking machine; the slider 410 functions to support the tension roller 420 to rotate; the tensioning roller 420 plays a role in pressing and holding the plastic material belt; the counterweight roller 430 is used for increasing the acting force applied to the plastic material belt by the tension roller 420; the reversing roller 440 is used for winding the plastic material belt, thereby realizing the function of changing the conveying direction of the plastic material belt.

Further, referring to fig. 1 and 5, in one embodiment, the tensioning device 400 further includes a driven roller 450, the driven roller 450 is rotatably disposed on the frame 100, and the tensioning roller 420 is located between the reversing roller 440 and the driven roller 450.

Note that the driven roller 450 is used for winding the plastic material belt; in the actual unreeling process, the counterweight roller 430 presses the plastic material strip conveyed from the reversing roller 440 to the driven roller 450, so as to increase the surface tension of the plastic material strip, thereby avoiding the plastic material strip from wrinkling due to too low surface tension, and further avoiding the situation that the local thickness of the plastic finished product is too large.

Referring to fig. 6, in one embodiment, the tensioning device 400 further includes a weight sleeve 460 and a weight block 470, the weight sleeve 460 is disposed on the weight roller 430, and the weight block 470 is connected to the weight sleeve 460.

It should be noted that the counterweight sleeve 460 is used for driving the counterweight block 470 to rotate together; the counterweight 470 is used for increasing the acting force of the counterweight roller 430 on the plastic material belt; therefore, the surface tension of the plastic material belt can be further increased, and the surface of the plastic material belt is further prevented from being wrinkled.

Referring to fig. 3, in one embodiment, the sliding member 240 is provided with a plurality of limiting holes 241, and each limiting hole 241 is used for accommodating a limiting pin 250.

It should be noted that the limiting hole 241 is used for accommodating the limiting pin 250; the plurality of limiting holes are formed, so that an operator can adjust the relative position of the limiting pin 250 and the sliding piece 240 according to actual conditions. In practical applications, an operator can adjust the limit position capable of sliding relative to the frame 100 by adjusting the relative position between the limiting pin 250 and the sliding member 240, that is, adjusting where the limiting pin 250 abuts against the limiting member 230 when the sliding member 240 slides relative to the frame 100.

Further, referring to fig. 3, in one embodiment, the unwinding device 200 further includes a stop pin 290, the sliding member 240 further has a plurality of stop holes 242, each stop hole 242 is used for accommodating the stop pin 290, and the stop pin 290 is used for supporting the limiting member 230.

It should be noted that the gear pin 290 and the limit pin 250 are used together to limit the sliding range of the sliding member 240; the avoiding hole 242 is used for accommodating the stop pin 290; the plurality of clearance holes 242 are formed, so that an operator can flexibly adjust the relative position of the stop pin 290 and the sliding member 240.

Further, referring to fig. 3, in one embodiment, the limiting member 230 includes a play limiting block 231 and a buffer limiting block 232, the play limiting block 231 and the buffer limiting block 232 are both located on the rack 100, the play limiting block 231 is located between the limiting pin 250 and the shift pin 290, the play limiting block 231 is used for supporting the limiting pin 250 and the shift pin 290, and the buffer spring 280 is located on the buffer limiting block 232.

It should be noted that the play limiting block 231 is used for limiting the sliding range of the sliding member 240; the buffer stop block 232 is used for fixing the buffer spring 280; in practical applications, since the play stop block 231 is located between the stop pin 250 and the shift pin 290, when the sliding member 240 slides relative to the rack 100, the sliding range of the sliding member 240 will be limited by the stop pin 250 and the shift pin 290.

Further, referring to fig. 3, in one embodiment, the unwinding device 200 further includes a guide rod 2100 and two blocking pieces 2200, the guide rod 2100 is disposed through the buffer limiting block 232, the two blocking pieces 2200 are disposed at two ends of the guide rod 2100 in a one-to-one correspondence, the buffer spring 280 is sleeved on the guide rod 2100, and one of the blocking pieces 2200 is used for abutting against the buffer plate 260 and the buffer spring 280.

It should be noted that the guide rod 2100 plays a role of limiting the buffer spring 280, so as to prevent the buffer spring 280 from being damaged due to excessive bending deformation; both the stoppers 2200 function to prevent the guide rod 2100 from coming off the buffer stopper 232; the stopper 2200, which abuts against the buffer spring 280, also serves to prevent the buffer spring 280 from being removed from the guide rod 2100.

Referring to fig. 5, in one embodiment, the plastic uptake machine feeding mechanism 10 further includes a winding device 500, the winding device 500 includes a winding sleeve 510 and a winding screw 520, the winding sleeve 510 is sleeved on the unwinding roller 210, the winding screw 520 is screwed with the winding sleeve 510, and the winding screw 520 is used for supporting the unwinding roller 210.

It should be noted that the roll clamping device 500 is used for fixing the plastic roll; the roll clamping sleeve 510 is used for supporting the plastic roll mutually; the clamping screw 520 is used to fix the clamping sleeve 510 to the unwinding roller 210.

Referring to fig. 3, in one embodiment, the cushion bearing 270 is a ball bearing.

It should be noted that the use of a ball bearing as the cushion bearing 270 can prolong the service life of the cushion bearing 270.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a plastic uptake machine feed mechanism which characterized in that includes:

2. The plastic uptake machine feeding mechanism according to claim 1, further comprising a tensioning device, wherein the tensioning device comprises a sliding base, a tensioning roller, a counterweight roller and a reversing roller, the sliding base is slidably disposed on the frame, the tensioning roller and the counterweight roller are rotatably disposed on the sliding base respectively, the tensioning roller is used for supporting the plastic material belt mutually, and the reversing roller is rotatably disposed on the frame.

3. The blister machine feed mechanism of claim 2, wherein the tensioning device further comprises a driven roller rotatably disposed on the frame, and the tensioning roller is located between the reversing roller and the driven roller.

4. The plastic uptake machine feeding mechanism as claimed in claim 2 or 3, wherein the tensioning device further comprises a counterweight sleeve and a counterweight block, the counterweight sleeve is sleeved on the counterweight roller, and the counterweight block is connected with the counterweight sleeve.

5. The plastic uptake machine feeding mechanism as claimed in claim 1, wherein the sliding member is provided with a plurality of limiting holes, and each limiting hole is used for accommodating the limiting pin.

6. The plastic uptake machine feeding mechanism as claimed in claim 5, wherein the unwinding device further comprises a blocking pin, the sliding member is further provided with a plurality of avoiding holes, each avoiding hole is used for accommodating the blocking pin, and the blocking pin is used for being mutually supported by the limiting member.

7. The plastic uptake machine feeding mechanism according to claim 6, wherein the limiting member comprises a play limiting block and a buffer limiting block, the play limiting block and the buffer limiting block are both located on the frame, the play limiting block is located between the limiting pin and the stop pin, the play limiting block is used for mutually supporting the limiting pin and the stop pin, and the buffer spring is located on the buffer limiting block.

8. The plastic uptake machine feeding mechanism as claimed in claim 7, wherein the unwinding device further comprises a guide rod and two blocking pieces, the guide rod penetrates through the buffer limiting block, the two blocking pieces are correspondingly arranged at two ends of the guide rod one by one, the buffer spring is sleeved on the guide rod, and one of the blocking pieces is used for being mutually supported by the buffer plate and the buffer spring.

9. The plastic uptake machine feeding mechanism as claimed in claim 1, further comprising a roll clamping device, wherein the roll clamping device comprises a roll clamping sleeve and a roll clamping screw, the roll clamping sleeve is sleeved on the unwinding roller, the roll clamping screw is in threaded connection with the roll clamping sleeve, and the roll clamping screw is used for being mutually supported against the unwinding roller.

10. The vacuum molding machine feed mechanism of claim 1, wherein the cushion bearing is a ball bearing.