CN111761633A

CN111761633A - Continuous automatic deburring equipment of barrel-shaped piece port of moulding

Info

Publication number: CN111761633A
Application number: CN202010624603.4A
Authority: CN
Inventors: 周炜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-10-13

Abstract

The invention relates to continuous automatic trimming equipment for a barrel-shaped plastic part port, which comprises a rack, a rotary trimming device and a rotary supporting device, wherein the rotary trimming device and the rotary supporting device are arranged up and down, and a trimming channel is formed between the rotary trimming device and the rotary supporting device; the rotary trimming device comprises a rotary mechanism a and a trimming mechanism; the rotary supporting device comprises a rotary mechanism b and a supporting mechanism, and the trimming mechanism and the supporting mechanism are in one-to-one correspondence in the vertical position when being transmitted through the trimming channel; the trimming mechanism comprises a fixing component and a trimming component; the feeding device comprises a material supplementing mechanism and a feeding mechanism; when the swing mechanism b drives the supporting mechanism to pass through the feeding mechanism, a plastic part at the bottom of the feeding mechanism is supported to enter the trimming channel, the fixed assembly is matched with the supporting mechanism to position and support the plastic part, and the trimming assembly rotates to trim an upper port of the plastic part which is positioned and supported. The invention overcomes the problems of low trimming efficiency, labor consumption and low trimming quality of the plastic part of the existing equipment.

Description

Continuous automatic deburring equipment of barrel-shaped piece port of moulding

The technical field is as follows:

the invention belongs to the technical field of plastic part production, and particularly relates to continuous and automatic trimming equipment for a barrel-shaped plastic part port.

Background art:

the box is moulded to injection moulding's generally all needs to be repaiied the burr and handles, for example port position department, needs the manual work to trim the burr, and is inefficient, some simple deburring devices, and the operation is not convenient, and efficiency is also low.

The utility model discloses a chinese utility model patent that publication number is CN209615594U discloses an automatic deburring check out test set of battery case, and specifically disclose, fix a position fixedly to a plurality of battery casees simultaneously through setting up positioning mechanism and supporting the cooperation of transfer mechanism a, then the smear metal is accomplished in step to the up end of a plurality of battery casees to the cutter lateral shifting of the cutter mechanism through setting up, and set up the detection device that detects to the battery case after accomplishing the deburring thereafter, and then solved and did not possess a plurality of deburring simultaneously and handle and carry out a plurality of functions that detect the defect simultaneously and detect the not high problem of reliability after accomplishing the deburring in the battery case production process.

However, it has the following problems: firstly, the battery box needs to be placed on a special tool, then the battery box is tightly pressed through the pressing mechanism, then the cutter goes through the special tool to cut and trim, the efficiency is low, only after one group of the battery box is trimmed and taken down, the next group of the battery box can be arranged, positioned and trimmed, the process is complex, and the continuous mode cannot be realized.

The invention content is as follows:

the invention aims to overcome the defects of the prior art, and provides continuous automatic trimming equipment for a barrel-shaped plastic part port.

The technical solution of the invention is as follows:

a continuous automatic trimming device for a barrel-shaped plastic part port comprises a rack, wherein a rotary trimming device and a rotary supporting device are arranged on the rack, the rotary trimming device and the rotary supporting device are arranged up and down, and a trimming channel is formed between the rotary trimming device and the rotary supporting device;

the rotary trimming device comprises a rotary mechanism a and trimming mechanisms which are arranged on the rotary mechanism a in an array manner and are driven by the rotary mechanism a to rotate; the rotary supporting device comprises a rotary mechanism b and a supporting mechanism which is arranged on the rotary mechanism b in an array mode and is driven by the rotary mechanism b to do rotary motion, and the trimming mechanism and the supporting mechanism are in one-to-one correspondence in the vertical direction when being transmitted through the trimming channel; the trimming mechanism comprises a fixed component and a trimming component which is rotatably arranged on the fixed component;

the feeding device comprises a material supplementing mechanism arranged at the top of the frame and a feeding mechanism arranged at the tail end of the material supplementing mechanism and positioned at the inlet end of the trimming channel;

the rotary mechanism b drives the supporting mechanism to support a plastic part at the bottom of the feeding mechanism to enter the trimming channel when the supporting mechanism passes through the feeding mechanism, the fixed assembly is matched with the supporting mechanism to position and support the plastic part passing through the trimming channel, and the trimming assembly performs trimming of an upper port on the plastic part which is positioned and supported through rotation.

Preferably, rotation mechanism a includes gyration chain a, be provided with support a on the side of gyration chain a, fixed subassembly is fixed on support a, and this fixed subassembly includes the fixed axle and along the fixed a plurality of supports that set up on this fixed axle of fixed axle circumferencial direction array, slidable is provided with the piece of strutting on the support, the fixed axle is the cavity setting, and wears to be equipped with a lifter along its central axis direction, the lower tip of lifter articulates there is the connecting rod, and the other end of this connecting rod is articulated with the tail end of the piece of strutting, it is connected with reset spring to strut between piece and the support.

Preferably, the trimming assembly comprises a gear which is rotatably arranged on the fixed shaft, an extension sleeve which is coaxial with the gear and is fixedly connected with the gear, a cutter bar which is fixed on the extension sleeve and a cutter which is arranged at the end part of the cutter bar;

a rack is arranged in the trimming channel and fixed on the rack, and the rack is matched with the gear to drive the cutter to rotate around the fixed shaft in a circumferential manner.

Preferably, a sliding rod is arranged at the front end of the spreading part, a supporting part is arranged on the sliding rod in a sliding mode, a limiting block is arranged at the lower end part of the sliding rod, and the supporting part is arranged in a circular arc shape.

As an optimization, rotation mechanism b includes gyration chain b, be provided with support b on gyration chain b's the side, supporting mechanism sets up at support b, and this supporting mechanism is including setting up the guide arm at support b, it is provided with the loading board to slide on the guide arm, the guide arm bilateral symmetry is provided with two, both ends are provided with the extension rod about the loading board, the tip of extension rod is provided with the guide pulley, be provided with the track in the deburring passageway, this track is fixed in the frame, the guide pulley removes along the track to under orbital guiding action supporting loading board reciprocates.

Preferably, the track comprises a lifting section, a spreading section, a feeding section, a trimming section and a separating section from front to back in sequence.

Preferably, the material supplementing mechanism comprises a conveying belt arranged on the rack, and two sides of the conveying belt are provided with limiting guide rods fixed on the rack;

the feeding mechanism comprises a blanking frame arranged along the vertical direction, a supporting plate is arranged at the lower end part of the blanking frame, the supporting plate is L-shaped, and the upper end surface of the plastic part is lower than the lower bottom surface of the blanking frame when the plastic part falls on the supporting plate; the width of the supporting plate is smaller than the distance between the two guide rods on the bearing plate.

Preferably, a feeding assembly is arranged at the upper port of the feeding mechanism, the feeding assembly comprises a driving member and an adsorption member driven by the driving member, the adsorption member is arc-shaped, and an adsorption hole is formed in the inner surface of the adsorption member and connected with a negative pressure mechanism.

Preferably, a guide strip is further arranged above the trimming channel, the upper end part of the lifting rod slides along the lower surface of the guide strip when the fixing component is conveyed through the trimming channel, and the upper end part of the lifting rod moves up and down under the guiding action of the guide strip, and the guide strip comprises a pressing section and a holding section.

Preferably, a guide limiting block is fixedly connected to a side edge of the support a, a guide limiting strip fixed on the rack is arranged above the trimming channel, a guide limiting groove is formed in a side edge of the guide limiting strip, and the guide limiting block slides along the guide limiting groove.

The invention has the beneficial effects that:

1. according to the invention, the slewing mechanism a drives the trimming mechanism and the slewing mechanism b drives the supporting mechanism to synchronously transmit through the trimming channel, the trimming mechanism and the supporting mechanism are arranged in the trimming channel and correspond to each other in the vertical one-to-one position, so that a fixed assembly on the trimming mechanism can position and fix a plastic part on the supporting mechanism while transmitting, and then the trimming assembly is arranged on the fixed assembly, so that the positioned plastic part can be used for rapidly trimming a port of the plastic part in the process of transmitting the plastic part and the fixed assembly backwards together, the whole action is continuously carried out in the transmission process, the trimming efficiency of the plastic part is high, the positioning is accurate, the trimming is tidy, the processing efficiency after the plastic part is produced is greatly improved, and the labor cost is saved;

2. according to the invention, the fixing component is arranged to extend into the plastic part, and the plastic part is fixedly supported in an expanding mode from inside to outside, so that the supporting mode has higher stability, the plastic part is not easy to deform, and the trimming accuracy and the product quality are further ensured;

3. according to the plastic part fixing device, the fixing component completes positioning and fixing of a plastic part in the process of supporting the plastic part through the opening section, the cutter rotates under the driving action of the gear and the rack after the fixing is completed, the cutter does not contact with the port of the plastic part but keeps a certain distance in the positioning and fixing process, the ascending feed section is arranged behind the opening section, the opening part on the fixing component is arranged to slide up and down, the plastic part can move upwards along with the opening part when passing through the feed section after the fixing is completed, the ascending distance of the section is similar to that of the cutter in the cutter feeding process, the cutter rotates firstly, then the plastic part gradually approaches the cutter to complete trimming, the cutter is prevented from abutting against the port of the plastic part to be static, the structure is simple, the front and back matching is ingenious, and the cutting effect is good.

4. According to the invention, the lower end part of the feeding mechanism is provided with the supporting plate which is arranged in an L shape, and the upper end surface of the plastic part is lower than the lower bottom surface of the blanking frame when the plastic part is blanked on the supporting plate; and the width of the supporting plate is smaller than the distance between the two guide rods on the bearing plate, so that when the bearing plate is conveyed below the feeding mechanism, the two guide rods automatically take away a plastic part at the lowest part of the feeding mechanism, and the plastic part at the back automatically falls onto the supporting plate after being taken away, so that the automatic plastic part feeding process is realized, the structure is simple and ingenious, and the labor is saved.

In conclusion, the continuous production line has the advantages of high continuous production efficiency, simple and ingenious structure and low cost, and is particularly suitable for the field of plastic part production equipment.

Description of the drawings:

the invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic front view of an apparatus for continuously and automatically trimming edges of a barrel-shaped plastic part port;

FIG. 2 is a schematic structural view of the rotary trimming device and the rotary supporting device;

FIG. 3 is a schematic axial side view of a device for continuous automatic trimming of a barrel-shaped plastic part port;

FIG. 4 is an enlarged schematic view of FIG. 2 at A;

FIG. 5 is a schematic structural view of an deburring mechanism;

FIG. 6 is a schematic view of the trimming mechanism cooperating with the supporting mechanism to position and trim the plastic part;

FIG. 7 is a schematic view showing a state in which the guide stopper slides along the guide stopper groove;

fig. 8 is a schematic view of the state of the support mechanism as it is transported past the upper arriving mechanism.

The specific implementation mode is as follows:

the technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.

Example one

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 8, a continuous automatic trimming device for a barrel-shaped plastic part port comprises a frame 1, wherein a rotary trimming device 2 and a rotary supporting device 3 are arranged on the frame 1, the rotary trimming device 2 and the rotary supporting device 3 are arranged up and down, and a trimming channel 100 is formed between the rotary trimming device 2 and the rotary supporting device 3; the rotary trimming device 2 comprises a rotary mechanism a21 and trimming mechanisms 22 which are arranged on a rotary mechanism a21 in an array and are driven by a rotary mechanism a21 to rotate; the rotary supporting device 3 comprises a rotary mechanism b31 and a supporting mechanism 32 which is arranged on a rotary mechanism b31 in an array mode and is driven by a rotary mechanism b31 to make rotary motion, and the deburring mechanism 22 and the supporting mechanism 32 are in one-to-one correspondence in the up-and-down position when being conveyed through the deburring channel 100; the deburring mechanism 22 comprises a fixed component 221 and a deburring component 222 which is rotatably arranged on the fixed component 221;

the device further comprises a feeding device 4, wherein the feeding device 4 comprises a feeding mechanism 41 arranged at the top of the frame 1 and a feeding mechanism 42 arranged at the tail end of the feeding mechanism 41 and positioned at the inlet end of the trimming channel 100;

the swing mechanism b31 drives the supporting mechanism 32 to pass through the feeding mechanism 42, and when the supporting mechanism 32 passes through the feeding mechanism 42, the plastic part 10 at the bottom of the feeding mechanism 42 is supported to enter the trimming channel 100, the fixing assembly 221 cooperates with the supporting mechanism 32 to position and support the plastic part 10 passing through the trimming channel 100, and the trimming assembly 222 rotates to perform upper port trimming on the plastic part 10 which is positioned and supported.

It should be noted that in this embodiment, the swing mechanism a21 drives the trimming mechanism 22 and the swing mechanism b31 drives the supporting mechanism 32 to synchronously transmit through the trimming channel 100, the trimming mechanism 22 disposed in the trimming channel 100 corresponds to the supporting mechanism 32 in one-to-one vertical position, so that the fixing component 221 on the trimming mechanism 22 can position and fix the plastic part 10 on the supporting mechanism 32 while transmitting, and then the trimming component 222 is disposed on the fixing component 221, so that the positioned plastic part 10 can be quickly trimmed by the trimming component 222 during the backward transmission process with the fixing component 221, and the whole operation is continuously performed during the transmission process, the trimming efficiency of the plastic part is high, the positioning is accurate and neat, the processing efficiency after the plastic part production is greatly improved, and the labor cost is saved.

Further, rotation mechanism a21 includes rotation chain a211, be provided with support a212 on the side of rotation chain a211, fixed subassembly 221 is fixed on support a212, and this fixed subassembly 221 includes fixed axle 2211 and along fixed axle 2211 circumferencial direction array fixed a plurality of supports 2212 that set up on this fixed axle 2211, slidable is provided with on the support 2212 and struts piece 2213, fixed axle 2211 is the cavity setting, and wears to be equipped with a lifter 2214 along its central axis direction, the lower tip of lifter 2214 articulates there is connecting rod 2215, and the other end of this connecting rod 2215 is articulated with the tail end of strutting piece 2213, be connected with reset spring 2216 between strutting piece 2213 and the support 2212.

Further, the upper trimming assembly 222 includes a gear 2221 rotatably disposed on the fixed shaft 2211, an extension sleeve 2222 coaxially and fixedly connected with the gear 2221, a cutter bar 2223 fixed on the extension sleeve 2222, and a cutter 2224 disposed at an end of the cutter bar 2223;

a rack 2225 is arranged in the trimming channel 100, the rack 2225 is fixed on the frame 1, and the rack 2225 is matched with the gear 2221 to drive the cutter 2224 to rotate around the fixed shaft 2211.

Further, a slide bar 2217 is disposed at a front end portion of the spreading member 2213, a support member 2218 is slidably disposed on the slide bar 2217, a limit block 2219 is disposed at a lower end portion of the slide bar 2217, and the support member 2218 is configured in an arc shape.

The fixing component 221 is arranged to extend into the plastic part 10, the plastic part is fixedly supported in an inward and outward expanding mode, the supporting mode is higher in stability and not prone to deformation of the plastic part, and the trimming accuracy and the product quality are further guaranteed.

Further, rotation mechanism b31 includes rotation chain b311, be provided with support b312 on the side of rotation chain b311, supporting mechanism 32 sets up at support b312, and this supporting mechanism 32 is including setting up the guide arm 321 at support b312, it is provided with loading board 322 to slide on the guide arm 321, guide arm 321 bilateral symmetry is provided with two, both ends are provided with extension bar 323 about loading board 322, extension bar 323's tip is provided with guide pulley 324, be provided with track 325 in the deburring passageway 100, this track 325 is fixed on frame 1, guide pulley 324 removes along track 325 to supporting loading board 322 reciprocates under the guiding effect of track 325.

Further, the track 325 sequentially comprises a lifting section 20, a spreading section 30, a feeding section 40, a trimming section 50 and a releasing section 60 from front to back.

The supporting mechanism 32 completes the positioning and fixing of the plastic part 10 by the fixing component 221 in the process of supporting the plastic part 10 to pass through the opening section 30, the cutter 2224 rotates under the driving action of the gear rack after the fixing is completed, the cutter 2224 does not contact with the port of the plastic part 10 but keeps a little distance in the positioning and fixing process, a section of ascending feed section 40 is arranged behind the opening section 30, and the opening part 2213 on the fixing component 221 is arranged to slide up and down, so that the plastic part can move upwards together with the opening part 2213 when passing through the feed section 40 after the fixing is completed, the ascending distance of the section is similar to the feed process, the cutter rotates first, then the plastic part gradually approaches the cutter to complete the trimming, the cutter is prevented from abutting against the port of the plastic part to be static, the structure is simple, the front and back matching is ingenious, and the cutting effect is good.

Further, a material supplementing assembly 43 is arranged at the upper port of the feeding mechanism 42, the material supplementing assembly 43 includes a driving member 431 and an adsorbing member 432 driven by the driving member 431, the adsorbing member 432 is arc-shaped, an adsorbing hole is formed on the inner surface of the adsorbing member 432, and the adsorbing member is connected with a negative pressure mechanism, and the negative pressure mechanism is not described herein in detail as the prior art.

Further, a guide bar 5 is further disposed above the trimming channel 100, the upper end of the lifting rod 2214 slides along the lower surface of the guide bar 5 when the fixing assembly 221 is conveyed through the trimming channel 100, and moves up and down under the guiding action of the guide bar 5, and the guide bar 5 comprises a pressing section 70 and a holding section 80.

Further, a guide limit block 6 is fixedly connected to a side edge of the support a212, a guide limit strip 7 fixed on the frame 1 is arranged above the trimming channel 100, a guide limit groove 71 is formed in a side edge of the guide limit strip 7, and the guide limit block 6 slides along the guide limit groove 71.

Example two

As shown in fig. 2 and 8, wherein the same or corresponding components as in the first embodiment are designated by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience; the second embodiment is different from the first embodiment in that: the material supplementing mechanism 41 comprises a conveying belt 411 arranged on the rack 1, and two sides of the conveying belt 411 are provided with limiting guide rods 412 fixed on the rack 1;

the feeding mechanism 42 comprises a blanking frame 421 arranged along the vertical direction, a supporting plate 422 is arranged at the lower end part of the blanking frame 421, the supporting plate 422 is arranged in an L shape, and the upper end surface of the plastic part 10 is lower than the lower bottom surface of the blanking frame 421 when the plastic part falls on the supporting plate 422; the width of the supporting plate 422 is smaller than the distance between the two guide rods 321 on the bearing plate 322.

In this embodiment, by arranging the supporting plate 422 at the lower end of the feeding mechanism 42, and arranging the supporting plate 422 in an L shape, the upper end surface of the plastic part 10 is lower than the lower bottom surface of the blanking frame 421 when the plastic part falls on the supporting plate 422; and the width of the supporting plate 422 is smaller than the distance between the two guide rods 321 on the supporting plate 322, so that when the supporting plate 322 is conveyed below the feeding mechanism 42, the two guide rods 321 automatically take away the plastic part 10 at the lowest part of the feeding mechanism 42, and the plastic part at the back automatically falls onto the supporting plate 422 after being taken away, thereby realizing the automatic plastic part feeding process, having simple and ingenious structure and saving labor.

Working process

The conveying belt 411 drives the plastic part 10 to be conveyed to the material supplementing assembly 43, the driving member 431 of the material supplementing assembly 43 drives the adsorbing member 432 to move to the foremost plastic part 10 on the conveying belt 411, the negative pressure is cut off when the adsorbing member drives the adsorbing member to move to the upper port of the blanking frame 421, and the plastic part 10 falls along the blanking frame 421;

the rotary chain b311 drives the supporting mechanism 32 to transmit through the lower part of the blanking frame 421, the two guide rods 321 on the bearing plate 322 pass through the supporting plate 422 to drive the plastic part 10 on the supporting plate 422 to move towards the trimming channel 100, and the plastic part falls on the bearing plate 322; the rotary chain a211 drives the trimming mechanism 22 to transmit through the trimming channel 100, the trimming mechanism 22 and the supporting mechanism 32 are in one-to-one correspondence in the upper and lower positions in the trimming channel 100, during the transportation process, the supporting mechanism 32 passes through the lifting section 20 of the track 325, the carrier plate 322 supports the plastic part 10 to move upwards gradually, during the movement, the fixing member 221 gradually penetrates into the inside of the plastic member 10, and then moves to the expanding section 30 of the rail 325, and at the same time, the guide bar 5 including the push-down section 70 is entered, the lifting rod 2214 of the fixing assembly 221 is gradually moved down by the guide bar 5 including the push-down section 70, the driving link drives the opening part 2213 of the fixing component 221 to open outwards in the downward moving process, gradually clinging to the inner wall of the plastic part in the opening process to position and fix the plastic part, and entering the retaining section 80 of the guide strip 5 after the positioning and fixing are finished to keep a positioning and fixing state;

in the process, the rack 2225 acts on the gear 2221 to drive the cutter 2224 to rotate around the fixed shaft 2211 in a circumferential manner, then the supporting mechanism 32 enters the feeding section 40, the plastic part 10 moves upwards together with the spreading member 2213 in the feeding section 40, the cutter gradually approaches to a port of the plastic part in the moving process and then enters the trimming section 50, the cutter performs rotary trimming on the port of the plastic part in the trimming section 50, the plastic part enters the disengaging section 60 after trimming is completed, meanwhile, the lifting rod also disengages from the guide strip 5, the lifting member resets under the action of elastic force, the fixed component 221 gradually moves out of the interior of the plastic part, and the whole automatic trimming process is completed.

The present invention is not limited to the above-described embodiments, and it should be noted that various changes and modifications can be made by those skilled in the art without departing from the structure of the present invention, and these changes and modifications should be construed as the scope of the present invention, which does not affect the effect and practicality of the present invention.

Claims

1. The utility model provides a continuous automatic deburring equipment of barrel-shaped plastic part port, includes frame (1), its characterized in that: the machine frame (1) is provided with a rotary trimming device (2) and a rotary supporting device (3), the rotary trimming device (2) and the rotary supporting device (3) are arranged up and down, and a trimming channel (100) is formed between the rotary trimming device and the rotary supporting device;

the rotary trimming device (2) comprises a rotary mechanism a (21) and trimming mechanisms (22) which are arranged on the rotary mechanism a (21) in an array manner and rotate under the driving of the rotary mechanism a (21); the rotary supporting device (3) comprises a rotary mechanism b (31) and a supporting mechanism (32) which is arranged on the rotary mechanism b (31) in an array mode and rotates under the driving of the rotary mechanism b (31), and the trimming mechanism (22) and the supporting mechanism (32) are in one-to-one correspondence in the vertical position when being transmitted through the trimming channel (100); the trimming mechanism (22) comprises a fixed component (221) and a trimming component (222) which is rotatably arranged on the fixed component (221);

the device is characterized by further comprising a feeding device (4), wherein the feeding device (4) comprises a material supplementing mechanism (41) arranged at the top of the rack (1) and a feeding mechanism (42) arranged at the tail end of the material supplementing mechanism (41) and located at the inlet end of the trimming channel (100);

the rotating mechanism b (31) drives the supporting mechanism (32) to support one plastic part (10) at the bottom of the feeding mechanism (42) to enter the trimming channel (100) when passing through the feeding mechanism (42), the fixing component (221) is matched with the supporting mechanism (32) to position and support the plastic part (10) passing through the trimming channel (100), and the trimming component (222) performs trimming of an upper port on the plastic part (10) which is positioned and supported through rotation.

2. A continuous automatic trimming apparatus for barrel molding ports as claimed in claim 1, wherein: rotation mechanism a (21) is including gyration chain a (211), be provided with support a (212) on the side of gyration chain a (211), fixed subassembly (221) is fixed on support a (212), and this fixed subassembly (221) includes fixed axle (2211) and along fixed axle (2211) fixed a plurality of supports (2212) of setting on this fixed axle (2211) of circumferencial direction array, slidable is provided with spreader (2213) on support (2212), fixed axle (2211) is the cavity setting, and wears to be equipped with a lifter (2214) along its central axis direction, the lower tip of lifter (2214) articulates there is connecting rod (2215), and the other end of this connecting rod (2215) is articulated with the tail end of spreader (2213), be connected with reset spring (2216) between spreader (2213) and support (2212).

3. A continuous automatic trimming apparatus for barrel molding ports as claimed in claim 2, wherein: the trimming assembly (222) comprises a gear (2221) which is rotatably arranged on a fixed shaft (2211), an extension sleeve (2222) which is coaxial with the gear (2221) and is fixedly connected with the gear, a cutter bar (2223) which is fixed on the extension sleeve (2222) and a cutter (2224) which is arranged at the end part of the cutter bar (2223);

a rack (2225) is arranged in the trimming channel (100), the rack (2225) is fixed on the rack (1), and the rack (2225) is matched with the gear (2221) to drive the cutter (2224) to rotate around the fixed shaft (2211) in a circumferential mode.

4. A continuous automatic trimming apparatus for barrel molding ports as claimed in claim 2, wherein: the front end part of the opening piece (2213) is provided with a sliding rod (2217), the sliding rod (2217) is provided with a supporting piece (2218) in a sliding mode, the lower end part of the sliding rod (2217) is provided with a limiting block (2219), and the supporting piece (2218) is arranged in an arc shape.

5. A continuous automatic trimming apparatus for barrel molding ports as claimed in claim 1, wherein: rotation mechanism b (31) are including gyration chain b (311), be provided with support b (312) on the side of gyration chain b (311), supporting mechanism (32) set up at support b (312), and this supporting mechanism (32) are including setting up guide arm (321) at support b (312), it is provided with loading board (322) to slide on guide arm (321), guide arm (321) bilateral symmetry is provided with two, both ends are provided with extension rod (323) about loading board (322), the tip of extension rod (323) is provided with guide pulley (324), be provided with track (325) in deburring passageway (100), this track (325) are fixed on frame (1), guide pulley (324) remove along track (325) to under bracing loading board (322) reciprocate at the guide effect of track (325).

6. A continuous automatic trimming apparatus for barrel molding ports as claimed in claim 5, wherein: the track (325) sequentially comprises a lifting section (20), a spreading section (30), a feeding section (40), a trimming section (50) and a separating section (60) from front to back.

7. A continuous automatic trimming apparatus for barrel molding ports as claimed in claim 5, wherein: the material supplementing mechanism (41) comprises a conveying belt (411) arranged on the rack (1), and two sides of the conveying belt (411) are provided with limiting guide rods (412) fixed on the rack (1);

the feeding mechanism (42) comprises a blanking frame (421) arranged along the vertical direction, a supporting plate (422) is arranged at the lower end part of the blanking frame (421), the supporting plate (422) is L-shaped, and the upper end surface of the plastic part (10) is lower than the lower bottom surface of the blanking frame (421) when the plastic part falls on the supporting plate (422); the width of the supporting plate (422) is smaller than the distance between the two guide rods (321) on the bearing plate (322).

8. A continuous automatic trimming apparatus for barrel molding ports as claimed in claim 7, wherein: the feed mechanism is characterized in that a feed supplementing assembly (43) is arranged at the upper port of the feed mechanism (42), the feed supplementing assembly (43) comprises a driving piece (431) and an adsorption piece (432) driven by the driving piece (431), the adsorption piece (432) is arc-shaped, an adsorption hole is formed in the inner surface of the adsorption piece, and the adsorption piece is connected with a negative pressure mechanism.

9. A continuous automatic trimming apparatus for barrel molding ports as claimed in claim 2, wherein: the top of deburring passageway (100) still is provided with gib block (5), when fixed subassembly (221) transmits through deburring passageway (100) the upper end of lifter (2214) slides along the lower surface of gib block (5) to realize moving up and down under the guide effect of gib block (5), gib block (5) are including pushing down section (70) and keeping section (80).

10. A continuous automatic trimming apparatus for barrel molding ports as claimed in claim 2, wherein: the side edge of the support a (212) is fixedly connected with a guide limiting block (6), a guide limiting strip (7) fixed on the rack (1) is arranged above the trimming channel (100), a guide limiting groove (71) is formed in the side edge of the guide limiting strip (7), and the guide limiting block (6) slides along the guide limiting groove (71).