CN217476565U

CN217476565U - Plastic container bottom overflowing removing device

Info

Publication number: CN217476565U
Application number: CN202221398176.3U
Authority: CN
Inventors: 江建新
Original assignee: Ningbo Shuangde Tianli Machinery Manufacturing Co ltd
Current assignee: Ningbo Shuangde Tianli Machinery Manufacturing Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-23
Anticipated expiration: 2032-06-06

Abstract

The application relates to the technical field of plastic production, in particular to a plastic container bottom overflowing removing device which comprises an installation support, a clamping mechanism and an overflowing removing mechanism, wherein the clamping mechanism is installed on the installation support and used for clamping a plastic container, and the overflowing removing mechanism is installed on the installation support and arranged on one side below the plastic container; the overflow removing mechanism comprises a material removing part, a first guide rod, a first guide sleeve and a driving assembly, wherein the material removing part is supported below the plastic container and is horizontally slid and abutted against the bottom of the plastic container, the first guide rod is arranged on one side, far away from the plastic container, of the material removing part and is horizontally arranged, the first guide sleeve is arranged on the mounting support and is matched with the first guide rod, and the driving assembly is used for driving the material removing part to horizontally slide; one side of the material removing part, which is far away from the driving assembly, is provided with a material removing gap for the waste material at the bottom of the plastic container to pass through. This application accessible removes the waste material of excessive mechanism to the plastic container bottom and strikes off to can conveniently operate and improve the degree of automation of plastic container production.

Description

Plastic container bottom overflowing removing device

Technical Field

The application relates to the technical field of plastic production, in particular to a plastic container bottom overflow removing device.

Background

The plastic container is a plastic product which is mainly made of polyester, polyethylene and polypropylene as raw materials, is heated at high temperature after being added with corresponding organic solvents, and is subjected to blow molding, extrusion blowing or injection molding through a plastic mold. The plastic container has the characteristics of low breakage probability, low cost, high transparency, food-grade raw materials and the like.

After the plastic container is blow molded by a blow molding machine, the bottom of the plastic container is easy to generate overflowing waste materials, and the waste materials are in a strip shape. So that the plastic container needs to be cut or scraped in the subsequent processing process, thereby improving the smoothness of the exterior of the plastic container after the production is finished. At present, after blow molding of plastic containers by a blow molding machine, a worker typically cuts off waste materials at the bottom of the plastic containers by using a push knife.

In view of the above-mentioned related technologies, the inventor believes that the processing process requires a lot of manpower and is automated to a low degree.

SUMMERY OF THE UTILITY MODEL

In order to conveniently get rid of the waste material of plastic container bottom and improve the degree of automation of course of working, this application provides a plastic container bottom and removes excessive device.

The application provides a plastic container bottom removes excessive device adopts following technical scheme:

a plastic container bottom overflowing removing device comprises a mounting support, a clamping mechanism and an overflowing removing mechanism, wherein the clamping mechanism is mounted on the mounting support and used for clamping a plastic container, and the overflowing removing mechanism is mounted on the mounting support and arranged on one side below the plastic container; the overflow removing mechanism comprises a material removing part, a first guide rod, a first guide sleeve and a driving assembly, wherein the material removing part is supported below the plastic container and is horizontally slid and abutted against the bottom of the plastic container, the first guide rod is arranged on one side, far away from the plastic container, of the material removing part and is horizontally arranged, the first guide sleeve is arranged on the mounting support and is matched with the first guide rod, and the driving assembly is used for driving the material removing part to horizontally slide; one side of the material removing part, which is far away from the driving assembly, is provided with a material removing gap for allowing waste materials at the bottom of the plastic container to pass through.

By adopting the technical scheme, after the plastic container is blow molded through the blow molding machine, the plastic container is moved to the bottom of the plastic container through the mold moving device and is removed on the overflow device, so that the plastic container is clamped above the material removing part through the clamping mechanism, one side of the bottom of the plastic container is supported against the material removing part, the driving assembly is started, the driving assembly drives the material removing part to horizontally slide, the waste material at the bottom of the plastic container is scraped by the material removing part, when the material removing part horizontally slides, the first guide rod and the first guide sleeve are matched to horizontally slide the material removing part, the material removing part stably scrapes the waste material at the bottom of the plastic container, the convenience is brought to workers to remove the waste material at the bottom of the plastic container, and the automation degree of the processing process of the plastic container can be improved.

Preferably, the mounting support is provided with a material pushing mechanism which is arranged opposite to the overflowing removing mechanism; the material pushing mechanism comprises a material pushing part, at least one positioning slide rod, a positioning seat, a spring and a limiting part, wherein the material pushing part is used for sliding and pushing against the material removing part, the positioning slide rod is arranged on one side, far away from the plastic container, of the material pushing part and is horizontally arranged, the positioning seat is arranged on the mounting support and is used for the positioning slide rod to slide and penetrate through, the spring is sleeved on the outer side of the positioning slide rod and is arranged on one side, facing the material pushing part, of the positioning seat, and the limiting part is arranged on the outer side of the positioning slide rod and is arranged on one side, far away from the material pushing part, of the positioning seat; the material removing gap is arranged between the material removing part and the material pushing part.

By adopting the technical scheme, when the plastic container is arranged above the material removing part and scrapes waste materials at the bottom of the material removing part, when the material removing part horizontally slides through the driving assembly, the material removing part is abutted against the material abutting part when horizontally sliding from one side of the material removing gap to the other side, and the material abutting part slides towards one side far away from the material removing part through the matching of the positioning slide rod and the positioning seat, so that the waste materials at the bottom of the plastic container are scraped through clamping of the material removing part and the material abutting part, and the thoroughness and stability of the material removing part in scraping the waste materials can be improved; the material supporting part is pushed to one side far away from the material removing part through the material removing part, and when the driving assembly drives the material removing part to slide to one side far away from the material supporting part, the spring generates a force for pushing the material supporting part towards one side far away from the positioning seat through deformation, so that the material supporting part can be conveniently reset; when the material pushing piece is reset through the spring, the limiting piece slides and abuts against one side of the positioning seat, and therefore the situation that the positioning slide rod slides out of the positioning seat can be reduced.

Preferably, a second guide rod is horizontally arranged on one side of the material pushing part, which is far away from the plastic container; and a second guide sleeve matched with the second guide rod is arranged on the positioning seat.

Through adopting above-mentioned technical scheme, when supporting material horizontal slip, second guide bar and the cooperation of second guide pin bushing to can lead to supporting the horizontal slip of material, thereby can improve the stability that supports the material and slide, make to support the material more stably with remove the material and cooperate.

Preferably, a positioning washer used for the limiting part to slide and abut against is arranged on one side, deviating from the material abutting part, of the positioning seat.

Through adopting above-mentioned technical scheme, when propping the material piece and reset through the spring, it slides to prop the material piece and the orientation of location slide bar near the one side that removes the material piece for the locating part slides and leans on the one side that leans on at the positioning seat, and at this in-process locating part easily bumps with the positioning seat and damages, and the locating washer that sets up on the positioning seat can cushion the locating part, thereby the damage of reducible positioning seat.

Preferably, the material removing part comprises a material removing mounting seat for connecting the driving assembly and the first guide rod, and a material removing plate which is arranged on the top surface of the material removing mounting seat and is used for sliding against the bottom of the plastic container; the material removing plate is connected with the material removing mounting seat through a connecting bolt.

Through adopting above-mentioned technical scheme, when the material spare is removed in the installation, will remove the one end that the material mount pad was installed to drive assembly and first guide bar, later will remove the flitch through connecting bolt and install on the top surface of removing the material mount pad, this mounting means is more stable and convenient to remove the flitch and load and unload, when removing the flitch and take place wearing and tearing, can will remove the flitch and lift off and polish or change to make remove the material spare more steadily strike off the waste material of plastic container bottom and reduce and remove the material spare and produce wearing and tearing to the plastic container bottom.

Preferably, the material pushing part comprises a material pushing mounting seat for connecting the positioning slide rod and the second guide rod, and a material pushing plate which is arranged on the top surface of the material pushing mounting seat and is used for sliding and pushing against the bottom of the plastic container; the material supporting plate is connected with the material supporting mounting seat through a fixing bolt.

Through adopting above-mentioned technical scheme, when the installation supports the material piece, will support the material mount pad and install to the one end of location slide bar and second guide bar, later will support the flitch through fixing bolt and install on the top surface of supporting the material mount pad, this mounting means is more stable and conveniently loads and unloads to supporting the flitch, when supporting the flitch and taking place wearing and tearing, can lift off the flitch that supports and polish or change to make to support the material piece more stably with remove the material piece cooperate and reduce to support the material piece and produce wearing and tearing to the plastic container bottom.

Preferably, the clamping mechanism comprises a pair of abutting components oppositely arranged on the mounting support; the abutting assembly comprises a supporting rod vertically arranged on the mounting support, a fixing plate arranged above the supporting rod and a clamping plate arranged on one side of the fixing plate close to the plastic container and used for abutting against the side wall of the plastic container.

Through adopting above-mentioned technical scheme, when the tight subassembly is supported in the installation, install the bracing piece on erection support, the fixed plate is installed on the top of bracing piece, and the grip block is installed in one side of fixed plate, moves to plastics container bottom through moving the mould device and removes overflow device department when plastics container, and the grip block of plastics container both sides plays the clamping action to plastics container to make plastics container place more steadily and remove on removing the overflow mechanism and overflow.

Preferably, an adjusting slide rod is arranged on one side, close to the fixed plate, of the clamping plate, and an adjusting through hole for the adjusting slide rod to penetrate through is formed in the fixed plate; and a locking hole communicated with the adjusting through hole is formed in one side of the fixing plate, and a fastening bolt which penetrates through the locking hole and is used for abutting the adjusting slide rod in the adjusting through hole is arranged on the fixing plate.

Through adopting above-mentioned technical scheme, when installing the grip block, pass the regulation through-hole on the fixed plate with the regulation slide bar of grip block one side, later, pass fastening bolt's one end locking hole for fastening bolt's one end will adjust the slide bar and support tightly in adjusting the through-hole, thereby make the adjustable installation of grip block in one side of fixed plate, make the grip block of both sides can be according to the not unidimensional regulation interval of size of plastic container, thereby but the not unidimensional plastic container of adaptation.

Preferably, guide inclined planes are arranged at two ends of the clamping plate.

By adopting the technical scheme, when the plastic container is moved to the position above the overflowing removing mechanism through the mold moving device, the guide inclined planes at the two ends of the clamping plate can guide the movement of the plastic container, and the damage caused by collision of the end surfaces of the clamping plate on the side wall of the plastic container can be reduced.

Preferably, the overflow removing device at the bottom of the plastic container further comprises a discharge box which is arranged below the overflow removing mechanism and used for receiving waste materials.

Through adopting above-mentioned technical scheme, strike off the back when the plastic container through removing the waste material of overflowing the mechanism to its bottom, the waste material drops to removing in the row's of overflowing mechanism below material case for arrange the material case and can collect the waste material, thereby reducible waste material splash.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plastic container processing device comprises an installation support, a clamping mechanism and an overflow removing mechanism, so that a plastic container can be clamped by the clamping mechanism, and a driving assembly drives a material removing part to horizontally slide, so that the material removing part scrapes waste materials at the bottom of the plastic container, the waste materials at the bottom of the plastic container can be conveniently removed by workers, and the automation degree of the plastic container processing process can be improved;

2. the mounting support is provided with the material abutting mechanism arranged opposite to the overflowing removing mechanism, waste materials at the bottom of the plastic container can be scraped by clamping the material removing part and the material abutting part, and therefore the thoroughness and stability of the material removing part in scraping the waste materials can be improved;

3. the clamping mechanism comprises a pair of oppositely arranged abutting assemblies, when the plastic container is moved to the bottom of the plastic container through the mold moving device, the overflowing removing device is arranged, and the clamping plates on two sides of the plastic container play a clamping role on the plastic container.

Drawings

Fig. 1 is a schematic view of the overall mechanism of a plastic container bottom defluxing device according to an embodiment of the present application.

Fig. 2 is a schematic diagram showing a partial explosion of a bottom overflow remover for plastic containers according to an embodiment of the present disclosure.

Fig. 3 is an exploded view of a clamping mechanism of a plastic container bottom flash removal device according to an embodiment of the present application.

Fig. 4 is a partial structural schematic view of a plastic container bottom overflow removal device according to an embodiment of the present application.

Fig. 5 is a schematic diagram of a partial explosion of a bottom overflow remover for plastic containers according to an embodiment of the present application.

Fig. 6 is a partial cross-sectional view of a plastic container bottom flash removal device according to an embodiment of the present application.

Description of reference numerals: 1. mounting a support; 11. a fixed seat; 111. installing a chute; 112. a slider nut; 12. a fixed frame; 121. mounting a screw hole; 13. fixing a bracket; 14. a connecting seat; 2. a clamping mechanism; 3. an overflow removal mechanism; 31. removing the material part; 311. a material removing mounting base; 312. removing the material plate; 313. a connecting bolt; 32. a first guide bar; 33. a first guide sleeve; 34. a drive assembly; 4. installing a bolt; 5. a propping component; 51. a support bar; 52. a fixing plate; 521. adjusting the through hole; 522. a locking hole; 53. a clamping plate; 531. a guide slope; 54. adjusting the sliding rod; 6. fastening a bolt; 7. a material supporting mechanism; 71. a material supporting part; 711. a material supporting mounting seat; 712. a material supporting plate; 713. fixing the bolt; 72. positioning the slide bar; 73. positioning seats; 74. a spring; 75. a limiting member; 76. a second guide bar; 77. a second guide sleeve; 78. a positioning washer; 8. removing the material gap; 9. a discharge box.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a plastic container bottom overflow removing device. Referring to fig. 1, the plastic container bottom overflowing removing device comprises a mounting support 1, a clamping mechanism 2 which is mounted on the mounting support 1 and used for clamping the plastic container, and an overflowing removing mechanism 3 which is mounted on the mounting support 1 and arranged on one side below the plastic container.

Referring to fig. 2, the installation support 1 includes a fixing base 11 for fixing with an external device and for installing the installation support 1, and a fixing frame 12 for installing the clamping mechanism 2 and the overflow removing mechanism 3. The fixing base 11 is connected to an external device by a fastener such as a bolt. The fixing base 11 is vertically provided with an installation sliding groove 111 towards one side of the fixing frame 12 and a slider nut 112 is installed in the installation sliding groove 111, the fixing frame 12 is provided with an installation screw hole 121 used for corresponding to the slider nut 112, and the fixing frame 12 is provided with an installation bolt 4, one end of which penetrates through the installation screw hole 121 and is installed in the slider nut 112. In this embodiment, the mounting chute 111 is T-shaped in cross-section such that the slider nut 112 is a T-shaped slider nut 112 that mates with the mounting chute 111. The fixing frame 12 can adjust its installation height on the fixing base 11 by the cooperation of the slider nut 112 and the installation chute 111.

Referring to fig. 3, the clamping mechanism 2 includes a pair of abutting assemblies 5 oppositely disposed on the mounting base 1. The abutting assembly 5 comprises a supporting rod 51 vertically arranged on the mounting support 1, a fixing plate 52 arranged above the supporting rod 51 and a clamping plate 53 arranged on one side of the fixing plate 52 close to the plastic container and used for abutting against the side wall of the plastic container. A fixing bracket 13 for mounting the supporting rod 51 is bolted to the fixing frame 12 at a side away from the mold transfer device for conveying the plastic containers. The holding plate 53 is in the shape of a long strip, and the holding plate 53 extends along the conveying direction of the plastic containers, so that the holding plate 53 can abut against the side walls of the plastic containers. An adjusting slide rod 54 is arranged on one side of the clamping plate 53 close to the fixing plate 52, and an adjusting through hole 521 for the adjusting slide rod 54 to penetrate is formed in the fixing plate 52. The top side of the fixed plate 52 is provided with a locking hole 522 communicated with the adjusting through hole 521, and the fixed plate 52 is provided with a fastening bolt 6 which passes through the locking hole 522 and is used for tightly pressing the adjusting slide rod 54 in the adjusting through hole 521. So that the clamping plates 53 at both sides can adjust the spacing according to the size of the plastic container, thereby being adapted to plastic containers of different sizes.

Referring to fig. 3, the guide slopes 531 are disposed at both ends of the holding plate 53 and at a side for being attached to the sidewall of the plastic container, so that the plastic container can be conveyed and the damage caused by the collision of the end surface of the holding plate 53 against the sidewall of the plastic container can be reduced.

Referring to fig. 4, the overflow removing mechanism 3 includes a material removing member 31 supported below the plastic container and horizontally sliding against the bottom of the plastic container, a first guide rod 32 disposed on a side of the material removing member 31 away from the plastic container and horizontally arranged, a first guide sleeve 33 disposed on the mounting support 1 and matching with the first guide rod 32, and a driving assembly 34 for driving the material removing member 31 to horizontally slide. In this embodiment, the driving assembly 34 is two air cylinders disposed at one side of the material removing member 31 at an interval, and a piston rod of the air cylinder is connected to one side of the material removing member 31 away from the plastic container, so that the piston rod of the air cylinder stretches and retracts to drive the material removing member 31 to horizontally slide. The fixed frame 12 is provided with a connecting seat 14 for installing a driving assembly 34, a cylinder body of the air cylinder is installed on one side of the connecting plate far away from the material removing part 31 through a bolt, a piston rod of the air cylinder penetrates through the connecting seat 14 and is connected with the material removing part 31, and a first guide sleeve 33 is arranged on the connecting seat 14. So that the waste material at the bottom of the plastic container can be scraped off by the stripping member 31.

Referring to fig. 5, the material removing member 31 includes a material removing mounting seat 311 for connecting the driving assembly 34 and the first guide bar 32, and a material removing plate 312 disposed on the top surface of the material removing mounting seat 311 and used for sliding against the bottom of the plastic container. Remove flitch 312 and install on removing material mount pad 311 through connecting bolt 313, this mounting means is more stable and convenient to remove flitch 312 and load and unload, when removing flitch 312 and take place wearing and tearing, can remove flitch 312 and unload and polish or change.

Referring to fig. 4, the mounting bracket 1 is provided with a material abutting mechanism 7 disposed opposite to the overflowing preventing mechanism 3. A material removing gap 8 for the waste material at the bottom of the plastic container to pass through is arranged between the material abutting mechanism 7 and the material removing overflow mechanism 3. The material abutting mechanism 7 comprises a material abutting part 71 used for sliding and abutting with the material removing part 31, at least one positioning slide rod 72 which is arranged on one side of the material abutting part 71 far away from the plastic container and is horizontally arranged, a positioning seat 73 which is arranged on the mounting support 1 and is used for allowing the positioning slide rod 72 to slide and penetrate, a spring 74 which is sleeved on the outer side of the positioning slide rod 72 and is arranged on one side, facing the material abutting part 71, of the positioning seat 73, and a limiting part 75 which is arranged on the outer side of the positioning slide rod 72 and is arranged on one side, far away from the material abutting part 71, of the positioning seat 73, one end of the spring 74 abuts against one side of the material abutting part 71, and the other end of the spring 74 abuts against one side of the positioning seat 73. In the embodiment, two positioning sliding rods 72 are arranged on the material abutting part 71 at intervals, so that the horizontal sliding stability of the material abutting part 71 can be improved. The limiting piece 75 is a limiting nut, the limiting nut is in threaded connection with the positioning slide rod 72, and when the material abutting piece 71 is reset through the spring 74, the limiting piece 75 is in sliding contact with one side of the positioning seat 73, so that the situation that the positioning slide rod 72 slides out of the positioning seat 73 can be reduced.

Referring to fig. 4, a second guide rod 76 is horizontally disposed on a side of the material pushing member 71 away from the plastic container, and a second guide sleeve 77 for cooperating with the second guide rod 76 is disposed on the positioning seat 73. In this embodiment, two second guide rods 76 are disposed on the material supporting member 71 at an interval, the positioning seat 73 is provided with second guide sleeves 77 which are fitted with the two second guide rods 76 one by one, and when the material supporting member 71 horizontally slides, the second guide rods 76 are fitted with the second guide sleeves 77, so that the horizontal sliding of the material supporting member 71 can be guided, and the sliding stability of the material supporting member 71 can be improved.

Referring to fig. 5, the material abutting member 71 includes a material abutting mounting seat 711 for connecting the positioning slide rod 72 and the second guide rod 76, and a material abutting plate 712 disposed on a top surface of the material abutting mounting seat 711 and configured to slidably abut against a bottom of the plastic container. The material stopping plate 712 is connected to the material stopping mounting seat 711 through the fixing bolt 713, the mounting mode is stable and convenient for assembling and disassembling the material stopping plate 712, and when the material stopping plate 712 is worn, the material stopping plate 712 can be disassembled for polishing or replacement.

Referring to fig. 6, the positioning seat 73 is provided with a positioning washer 78 on a side facing away from the material abutting member 71 for slidably abutting the limiting member 75. When the material abutting piece 71 is reset through the spring 74, the limiting piece 75 slides and abuts against one side of the positioning seat 73, in the process, the limiting piece 75 is easily collided or damaged with the positioning seat 73, and the limiting piece 75 can be buffered by a positioning washer 78 arranged on the positioning seat 73.

Referring to fig. 1 and 2, the plastic container bottom overflow removing device further comprises a discharge box 9 disposed below the overflow removing mechanism 3 and used for receiving the waste, and the discharge box 9 is mounted on the fixed frame 12 by a fastener such as a bolt, so that the waste can be collected.

The implementation principle of the plastic container bottom overflowing removing device in the embodiment of the application is as follows:

after the plastic container is blow molded by a blow molding machine, the plastic container is moved to an overflow removing device at the bottom of the plastic container by a mold moving device, so that the plastic container is clamped above the material removing part 31 through the clamping mechanism 2, the bottom of the plastic container is abutted against the top surfaces of the material removing part 31 and the material supporting part 71, the waste material at the bottom of the plastic container is placed in the material removing gap 8 between the material removing part 31 and the material supporting part 71, the driving assembly 34 is started, so that the driving assembly 34 drives the material removing member 31 to horizontally slide, the material removing member 31 scrapes the bottom of the plastic container and abuts against the material supporting member 71, the material supporting member 71 slides toward one side close to the positioning seat 73, thereby make remove material 31 and to expect that piece 71 presss from both sides tight waste material and strike off the waste material to can make things convenient for the staff to get rid of the waste material of plastic container bottom, and can improve the degree of automation of plastic container course of working.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The plastic container bottom overflowing removing device is characterized by comprising an installation support (1), a clamping mechanism (2) which is installed on the installation support (1) and used for clamping a plastic container, and an overflowing removing mechanism (3) which is installed on the installation support (1) and arranged on one side below the plastic container;

the overflow removing mechanism (3) comprises a material removing part (31) which is supported below the plastic container and is horizontally slid and abutted against the bottom of the plastic container, a first guide rod (32) which is arranged on one side, far away from the plastic container, of the material removing part (31) and is horizontally arranged, a first guide sleeve (33) which is arranged on the mounting support (1) and is matched with the first guide rod (32), and a driving assembly (34) for driving the material removing part (31) to horizontally slide; one side of the material removing part (31) departing from the driving component (34) is provided with a material removing gap (8) for allowing waste materials at the bottom of the plastic container to pass through.

2. The plastic container bottom overflow removing device of claim 1, wherein the mounting support (1) is provided with a material abutting mechanism (7) arranged opposite to the overflow removing mechanism (3);

the material pushing mechanism (7) comprises a material pushing part (71) which is used for sliding and pushing against the material removing part (31), at least one positioning slide rod (72) which is arranged on one side, far away from the plastic container, of the material pushing part (71) and is horizontally arranged, a positioning seat (73) which is arranged on the mounting support (1) and is used for the positioning slide rod (72) to slide and penetrate, a spring (74) which is sleeved on the outer side of the positioning slide rod (72) and is arranged on one side, facing the material pushing part (71), of the positioning seat (73), and a limiting part (75) which is arranged on the outer side of the positioning slide rod (72) and is arranged on one side, far away from the material pushing part (71), of the positioning seat (73); the material removing gap (8) is arranged between the material removing part (31) and the material supporting part (71).

3. The plastic container bottom overflow remover as claimed in claim 2, wherein a second guide bar (76) is horizontally arranged on one side of the material supporting member (71) far away from the plastic container; and a second guide sleeve (77) matched with the second guide rod (76) is arranged on the positioning seat (73).

4. The bottom overflowing preventing device for plastic containers as claimed in claim 2, wherein the positioning seat (73) is provided with a positioning washer (78) for the limiting member (75) to slide against on a side away from the material abutting member (71).

5. The plastic container bottom flash removing device according to claim 1, wherein the flash removing member (31) comprises a flash removing mounting seat (311) for connecting the driving assembly (34) and the first guide rod (32), and a flash removing plate (312) arranged on the top surface of the flash removing mounting seat (311) and used for sliding against the bottom of the plastic container; the material removing plate (312) is connected with the material removing mounting seat (311) through a connecting bolt (313).

6. The plastic container bottom overflow removing device is characterized in that the material abutting piece (71) comprises a material abutting mounting seat (711) for connecting the positioning slide rod (72) and the second guide rod (76), and a material abutting plate (712) arranged on the top surface of the material abutting mounting seat (711) and used for sliding abutting with the bottom of the plastic container; the material abutting plate (712) is connected with the material abutting mounting seat (711) through a fixing bolt (713).

7. A plastic container bottom overflowing preventing device as defined in claim 1, wherein the clamping mechanism (2) comprises a pair of abutting assemblies (5) oppositely arranged on the mounting support (1);

the abutting component (5) comprises a supporting rod (51) vertically arranged on the mounting support (1), a fixing plate (52) arranged above the supporting rod (51) and a clamping plate (53) arranged on one side, close to the plastic container, of the fixing plate (52) and used for abutting against the side wall of the plastic container.

8. The plastic container bottom overflow removing device according to claim 7, wherein an adjusting slide rod (54) is arranged on one side of the clamping plate (53) close to the fixing plate (52), and an adjusting through hole (521) for the adjusting slide rod (54) to pass through is formed in the fixing plate (52); one side of the fixed plate (52) is provided with a locking hole (522) communicated with the adjusting through hole (521), and the fixed plate (52) is provided with a fastening bolt (6) which penetrates through the locking hole (522) and is used for tightly abutting the adjusting slide rod (54) in the adjusting through hole (521).

9. A plastic container bottom spill removing device as claimed in claim 7, wherein said holding plate (53) is provided with guide slopes (531) at both ends.

10. The plastic container bottom overflow remover according to claim 1, further comprising a discharge box (9) disposed below said overflow remover (3) for receiving waste.