CN114228039A

CN114228039A - Injection molding equipment

Info

Publication number: CN114228039A
Application number: CN202111572905.2A
Authority: CN
Inventors: 丁劲锋; 杨仁民; 罗健
Original assignee: Wuxi Huagongda Optoelectronic Intelligent Technology Co ltd
Current assignee: Wuxi Huagongda Optoelectronic Intelligent Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-03-25

Abstract

The invention discloses injection molding equipment, and relates to the technical field of injection molding. The injection molding equipment is used for injection molding of the framework to form the flange insert, the framework comprises a body and a plurality of positioning columns arranged on the body, and the injection molding equipment comprises a feeding mechanism, an injection molding mechanism, a shearing mechanism, a trimming mechanism and a mechanical arm. The feeding mechanism is configured to place and position the skeleton; the injection molding mechanism is configured to form the flange insert by injecting high-temperature injection molding liquid outside the framework; the shearing mechanism comprises a shearing piece, and the shearing piece is configured to shear the positioning column; the trimming mechanism is configured to trim the outer contour of the flange insert; the tail end of the mechanical arm is connected with an extraction part, and the extraction part can extract the framework and the flange insert and respectively move to the feeding mechanism, the injection molding mechanism, the shearing mechanism and the trimming mechanism. This injection moulding device guarantees that the reference column can realize the location, need not operating personnel manual regulation location, and is efficient.

Description

Injection molding equipment

Technical Field

The invention relates to the technical field of injection molding, in particular to injection molding equipment.

Background

In order to ensure that the connection flange of two pipes can be tightly connected, a flange insert is usually required to be arranged at the connection flange as a sealing member. The flange insert is formed by coating a layer of plastic outside the annular framework through an injection molding method so as to ensure the elasticity.

In the actual production process of moulding plastics, in order to guarantee the uniformity of skeleton position in the process of moulding plastics at every turn, set up a plurality of reference column on the skeleton usually. And the reference column precision of skeleton is higher, if when placing the skeleton in the injection mould, the skeleton position skew is great, then can't make the skeleton be in exact position, and the reference column can't fix a position this moment, needs operating personnel manual positioning, and efficiency is lower.

To address the above issues, it is desirable to develop an injection molding apparatus to solve the problem of low efficiency caused by manually positioning the frame.

Disclosure of Invention

The invention aims to provide injection molding equipment, which can ensure that a positioning column can realize positioning without manual adjustment of an operator, and has high efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an injection moulding equipment for annotate the moulding flange mold insert outside the skeleton, the skeleton include the body and set up in a plurality of reference column of body includes:

a feed mechanism configured to place and position the skeleton;

an injection mechanism configured to form the flange insert by injecting a high-temperature injection liquid outside the skeleton;

a shear mechanism comprising a shear configured to shear the locating post;

an edging mechanism configured to trim an outer contour of the flange insert;

the tail end of the mechanical arm is connected with an extraction part, and the extraction part can extract the framework and the flange insert and respectively move to the feeding mechanism, the injection molding mechanism, the shearing mechanism and the trimming mechanism.

Preferably, the body has seted up a plurality of locating hole along self circumference, feed mechanism includes first locating component, first locating component includes:

the guide piece is provided with at least two guide grooves along the direction extending outwards from the center of the guide piece;

at least two first positioning members, each of the first positioning members is slidably disposed in one of the guide grooves, and each of the first positioning members is configured to be inserted into one of the positioning holes;

first driving piece, first driving piece can for the guide rotates and coaxial setting, at least two drive grooves have been seted up along the outside direction that extends in self center to first driving piece, at least two the drive groove is followed the circumference of first driving piece is to same one side bending, first locating piece runs through the drive groove, can drive during the rotation of first driving piece first locating piece is followed the guide way slides.

Preferably, the feeding mechanism further comprises:

a first bracket;

the first turntable is rotatably arranged on the first support, and the first positioning assemblies are arranged on the first turntable at intervals along the circumferential direction of the first turntable.

Preferably, first support is opened and is equipped with the through-hole, first locating component still includes support piece, support piece has seted up two at least grooves of dodging along the direction of outwards extending by self center, support piece set up in on the guide piece, every first locating piece passes one dodge the groove, support piece is configured as the support the skeleton, a plurality of first locating component can follow first carousel rotates extremely in proper order the through-hole top, feed mechanism still includes first lifting unit, first lifting unit includes:

the top column penetrates through the through hole and is in sliding connection with the first support along the vertical direction, and the top column can push the support piece when sliding upwards;

a second driving member configured to drive the jack post to ascend and descend.

Preferably, there is driven rack one side of fore-set, the second driving piece is the rotating electrical machines, the output shaft of rotating electrical machines is provided with drive gear, drive gear with driven rack meshes.

Preferably, the shearing mechanism further comprises a second locating assembly, the second locating assembly comprising:

the shearing piece is arranged on the second bracket in a sliding mode;

the second rotating disc is rotatably arranged on the second bracket;

and the two second positioning parts are arranged on the second rotating disc in a sliding manner so as to be close to or far away from each other.

Preferably, one side of the second positioning piece close to the other second positioning piece is provided with a V-shaped positioning opening.

Preferably, the deburring mechanism includes a third bracket and a deburring assembly, the deburring assembly including:

a rotating member rotatable about a vertical axis relative to the third bracket;

the trimming piece is arranged on the rotating piece, and when the rotating piece rotates, the track of the trimming piece is circular.

Preferably, the deburring mechanism further includes a second lift assembly, the second lift assembly including:

the lifting piece is arranged on the third support in a sliding mode along the vertical direction, and the rotating piece is connected with the lifting piece in a rotating mode;

the screw rod is rotatably arranged on the third support, and the lifting piece is in threaded connection with the screw rod.

Preferably, the trimming mechanism further comprises a third positioning assembly, the third positioning assembly comprises two third positioning pieces, and the two third positioning pieces are slidably arranged on the bracket to approach or separate from each other.

The invention has the beneficial effects that:

the invention provides an injection molding device. In the injection molding equipment, the framework can be placed by the feeding mechanism, and the framework is positioned. And the mechanical arm is used for placing the positioned framework into an injection molding mechanism for injection molding to form the flange insert. And then the flange insert is moved to a shearing mechanism by the mechanical arm, and the positioning column is sheared by the shearing part. And then the flange insert is moved to the trimming mechanism by the mechanical arm to trim the outer contour of the flange insert so as to remove the flash, and the qualified flange insert is formed.

This injection moulding device's feed mechanism can carry out the primary localization to the skeleton to the position when making the skeleton put into injection moulding mechanism is the same, guarantees that the reference column can realize the location, need not operating personnel manual regulation location, and is efficient.

Drawings

FIG. 1 is a schematic structural diagram of a skeleton provided by the present invention;

FIG. 2 is a schematic structural view of an injection molding apparatus provided by the present invention;

FIG. 3 is a first schematic structural diagram of a feeding mechanism provided by the present invention;

FIG. 4 is a schematic structural view of a first positioning assembly provided by the present invention;

FIG. 5 is a second schematic structural view of the feeding mechanism provided by the present invention;

FIG. 6 is a schematic structural view of a shearing mechanism provided by the present invention;

FIG. 7 is a schematic structural view of an deburring mechanism provided by the present invention;

FIG. 8 is a schematic diagram of the construction of an edging assembly provided by the present invention.

In the figure:

1. a framework; 2. a feeding mechanism; 3. an injection molding mechanism; 4. a shearing mechanism; 5. a trimming mechanism; 6. a mechanical arm; 7. a transmission assembly; 8. a vacuum cleaner;

11. a body; 12. a positioning column; 13. positioning holes; 21. a first positioning assembly; 22. a first bracket; 23. a first turntable; 24. a stepping motor; 25. a first lifting assembly; 26. a detection component; 41. a cutting member; 42. a second positioning assembly; 43. a clamping cylinder; 44. a detection member; 51. a third support; 52. a trimming assembly; 53. a second lifting assembly; 54. a third positioning assembly; 71. a fourth bracket; 72. a conveyor belt; 73. a product detection member;

211. a guide member; 212. a first driving member; 213. a first positioning member; 214. a support member; 221. a through hole; 251. a top pillar; 252. a second driving member; 253. a driven rack; 254. a drive gear; 261. a column; 262. a sensor; 421. a second bracket; 422. a second turntable; 423. a second positioning member; 521. a rotating member; 522. trimming the edge part; 531. a lifting member; 532. a screw rod; 541. a third positioning member; 542. a synchronizing gear; 543. a driving cylinder;

2111. a guide groove; 2121. a drive slot; 2141. an avoidance groove; 5411. and (5) synchronizing the racks.

Detailed Description

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying fig. 1-8.

The present embodiment provides an injection molding apparatus for injection molding a flange insert out of a skeleton 1. As shown in fig. 1, the frame 1 includes a body 11 and a plurality of positioning posts 12 disposed on the body 11. As shown in fig. 2 and 6, the injection molding apparatus includes a feeding mechanism 2, an injection molding mechanism 3, a shearing mechanism 4, an edge trimmer mechanism 5, and a robot arm 6. The feeding mechanism 2 is configured to place and position the skeleton 1. The injection mechanism 3 is configured to form a flange insert by injecting a high-temperature injection liquid outside the skeleton 1. The shearing mechanism 4 includes a shearing piece 41, and the shearing piece 41 is configured to shear the positioning column 12. The deburring mechanism 5 is configured to trim the outer contour of the flange insert. The tail end of the mechanical arm 6 is connected with an extraction piece, and the extraction piece can extract the framework 1 and the flange insert and move to a corresponding working area.

In this injection moulding device, skeleton 1 can be placed to feed mechanism 2 to fix a position skeleton 1. And the mechanical arm 6 is used for placing the positioned framework 1 into the injection molding mechanism 3 for injection molding to form the flange insert. The robot arm 6 then moves the flange insert to the shearing mechanism 4, shearing the locating stud 12 by the shearing member 41. And then the flange insert is moved to the trimming mechanism 5 by the mechanical arm 6 to trim the outer contour of the flange insert so as to remove flash, and the qualified flange insert is formed. Wherein the extraction member may be a jaw.

This injection moulding device's feed mechanism 2 can carry out the primary localization to skeleton 1 to make the skeleton 1 put into the position when moulding plastics mechanism 3 the same, guarantee that reference column 12 can realize the location, need not operating personnel manual regulation location, it is efficient. Wherein, the positioning column 12 of the framework 1 can also be used as a support to enable a gap to exist between the adjacent frameworks 1, so that the framework 1 can be conveniently extracted by the extraction part.

Preferably, the body 11 has a plurality of positioning holes 13 along its circumference, the feeding mechanism 2 includes a first positioning assembly 21, and the first positioning assembly 21 includes a guide 211, a first driving member 212, and at least two first positioning members 213, as shown in fig. 3 and 4. The guide 211 has at least two guide grooves 2111 formed along a direction extending outward from the center thereof. Each first positioning member 213 is slidably disposed in one of the guide slots 2111, and each first positioning member 213 is configured to be inserted into one of the positioning holes 13. The first driving member 212 can rotate relative to the guide member 211 and is coaxially disposed, the first driving member 212 is provided with at least two driving grooves 2121 along a direction in which a center of the first driving member extends outwards, the at least two driving grooves 2121 are bent towards the same side along a circumferential direction of the first driving member 212, the first positioning member 213 penetrates through the driving grooves 2121, and the first positioning member 213 can be driven to slide along the guide groove 2111 when the first driving member 212 rotates.

The position of first locating piece 213 can be adjusted through rotating first driving piece 212 to operating personnel for two first locating pieces 213 can fix a position not unidimensional skeleton 1, improve the suitability. Wherein, first locating piece 213 is the cylinder, and operating personnel can stack up a plurality of skeletons 1 and place and be fixed a position by first locating piece 213 to make this injection moulding equipment can continuously operate, improve the utilization.

Preferably, the guide 211 is provided with four guide slots 2111, the number of the first positioning elements 213 is four, the first driving element 212 is provided with four driving slots 2121, and the first driving element 212 can synchronously drive the four first positioning elements 213 to approach or leave the center of the guide 211.

Preferably, as shown in fig. 3 and 5, the feeding mechanism 2 further includes a first bracket 22 and a first rotary plate 23. The first rotating disc 23 is rotatably disposed on the first support 22, and the plurality of first positioning assemblies 21 are circumferentially spaced from the first rotating disc 23. Through rotating first carousel 23, operating personnel can switch the position of first locating component 21, and after skeleton 1 on a first locating component 21 was all drawed by arm 6 and finishes, operating personnel rotated first carousel 23, it can to rotate the position that adjacent first locating component 21 of putting skeleton 1 can draw skeleton 1 to arm 6.

It can be understood that the first support 22 is provided with a stepping motor 24, and the stepping motor 24 can drive the first rotating disc 23 to rotate, so as to realize the automatic switching of the first positioning assembly 21. In this embodiment, the feeding mechanism 2 includes five first positioning assemblies 21, the five first positioning assemblies 21 are arranged at equal intervals, the stepping motor 24 is in communication connection with the controller of the first rotating disc 23, and the first rotating disc 23 rotates 72 ° every time the operator operates the controller of the first rotating disc 23.

As shown in fig. 4 and 5, the first support 22 has a through hole 221, the first positioning assembly 21 further includes a support 214, the support 214 has at least two avoiding grooves 2141 along a direction extending outward from a center thereof, the support 214 is disposed on the guide 211, each of the first positioning members 213 passes through one of the avoiding grooves 2141, the support 214 is configured to support the framework 1, the plurality of first positioning assemblies 21 can sequentially rotate above the through hole 221 along with the first rotating disc 23, the feeding mechanism 2 further includes a first lifting assembly 25, and the first lifting assembly 25 includes a top pillar 251 and a second driving member 252. The top column 251 passes through the through hole 221 and is slidably coupled to the first bracket 22 in a vertical direction, and the top column 251 can push the supporting member 214 when sliding upward. The second driving member 252 is configured to drive the top post 251 to ascend and descend.

Every time the extracting piece of the mechanical arm 6 takes away a framework 1, the second driving piece 252 can drive the top column 251 to ascend, so that the supporting piece 214 ascends by the height of the framework 1, the mechanical arm 6 extracts the framework 1 from the same height every time, and the walking route of the mechanical arm 6 is prevented from being complicated due to the fact that the mechanical arm 6 extracts different heights every time. In the feeding mechanism 2, only one first lifting assembly 25 is arranged on the first support 22, the first positioning assembly 21 is sequentially rotated to the through hole 221 by rotating the first turntable 23, and the support 214 is jacked up by the jacking column 251, so that the structure of the feeding mechanism 2 can be simplified, and the manufacturing cost can be reduced.

Preferably, a driven rack 253 is arranged on one side of the top column 251, the second driving member 252 is a rotating motor, and an output shaft of the rotating motor is provided with a driving gear 254, and the driving gear 254 is meshed with the driven rack 253. The elevation of the knock pin 251 can be controlled by the rotation of the output shaft of the rotating motor. In order to prevent the rotating motor from rotating at a high speed to cause the lifting of the top column 251 to be fast, the first lifting assembly 25 further comprises a gear reducer, and the rotating motor drives the lifting of the top column 251 through the gear reducer.

Further, the feeding mechanism 2 further comprises a plurality of detecting assemblies 26, each detecting assembly 26 comprises a stand 261 and a sensor 262, one stand 261 is arranged beside each first positioning assembly 21, two sensors 262 are arranged at intervals on each stand 261 and used for detecting the position of the top framework 1, when the sensor 262 below detects that the framework 1 passes through and the sensor 262 above detects the framework 1, the height of the framework 1 is between the two sensors 262, and the second driving member 252 stops driving the top column 251 to ascend.

Preferably, the cutting mechanism 4 further comprises a second positioning assembly 42, and the second positioning assembly 42 comprises a second support 421, a second rotating disc 422 and two second positioning members 423, as shown in fig. 6. The cutting member 41 is slidably disposed on the second support 421. The second rotating plate 422 is rotatably disposed on the second support 421. The two second positioning members 423 are slidably disposed on the second rotating disk 422 to move toward or away from each other.

Two second locating members 423 are capable of clamping the flange insert in proximity to each other to locate the flange insert. The operator can slide the shearing member 41 so that the shearing member 41 approaches the positioning post 12 and shears the positioning post 12. Then, by rotating the second rotating disc 422, the next positioning column 12 is rotated to the shearing part 41 until all positioning columns 12 are sheared. Wherein the second turntable 422 can be driven by a motor.

Preferably, one side of the second positioning member 423, which is close to the other second positioning member 423, is provided with a V-shaped positioning opening. The two second positioning members 423 position the flange insert through the respective V-shaped positioning openings, so that the flange insert can be accurately positioned.

Further, the shearing mechanism 4 further comprises a clamping cylinder 43, the clamping cylinder 43 is provided with two clamping pieces which can be close to or far away from each other, the clamping cylinder 43 is arranged above the shearing piece 41 and moves synchronously with the shearing piece 41, the positioning column 12 enters between the two clamping pieces when the shearing piece 41 is close to the positioning column 12, and the two clamping pieces clamp the positioning column 12 before the shearing piece 41 shears the positioning column 12. The clamping cylinder 43 can clamp the positioning column 12 before the cutter 41 cuts the positioning column 12, so that the cutter 41 can cut the positioning column 12, and the positioning column 12 cannot be cut due to bending of the positioning column 12 when the cutter 41 cuts the positioning column 12.

Preferably, the shearing mechanism 4 further comprises a detecting part 44, the detecting part 44 can detect the position of the positioning column 12, so as to stop the rotation of the second rotating disc 422 when the positioning column 12 rotates to the movement route of the shearing part 41, and after the shearing part 41 shears the positioning column 12, the second rotating disc 422 continues to rotate.

Preferably, the second rotating disc 422 is provided with a first blanking hole, the second support 421 is provided with a first material collecting box, the first material collecting box is located below the first blanking hole, and the positioning column 12 cut by the cutting member 41 falls into the first material collecting box through the first blanking hole.

It will be appreciated that the cutting member 41 is a scissors.

Preferably, trimmer mechanism 5 includes a third bracket 51 and a trimmer assembly 52, as shown in FIG. 7. Trimmer assembly 52 includes a rotor 521 and a trimmer 522. The rotating member 521 is rotatable about a vertical axis with respect to the third bracket 51. The trimming member 522 is provided to the rotor 521, and when the rotor 521 rotates, the trajectory of the trimming member 522 is circular.

When the flange insert is placed on the third bracket 51 by the mechanical arm 6, an operator rotates the rotating member 521 to drive the trimming member 522 to move along a circular track, so as to trim the outer contour of the flange insert, and ensure that the size and the shape of the trimmed outer contour of the flange insert meet requirements.

It will be appreciated that trimmer 522 is slidably disposed on rotor 521 for adjusting the distance between trimmer 522 and the axis of rotation of rotor 521, thereby adjusting the size of the circular path of trimmer 522 and increasing the applicability of trimmer mechanism 5, as shown in FIG. 8.

Preferably, trimmer mechanism 5 further includes a second lift assembly 53, with second lift assembly 53 including a lift member 531 and a lead screw 532, as shown in FIG. 7. The lifting member 531 is slidably disposed on the third bracket 51 in the vertical direction, and the rotating member 521 is rotatably connected to the lifting member 531. The screw rod 532 is rotatably arranged on the third bracket 51, and the lifting member 531 is in threaded connection with the screw rod 532. An operator can drive lifter 531 to raise and lower by rotating lead screw 532 to adjust trim piece 522 to bring trim piece 522 to a height suitable for trimming a flange insert.

Preferably, deburring mechanism 5 also includes a third positioning assembly 54, and third positioning assembly 54 includes two third positioning members 541, and two third positioning members 541 are slidably disposed on third frame 51 to move toward or away from each other. The flange insert is positioned by the two third positioning parts 541, so that the flange insert is kept stable in the process of trimming by the trimming member 522, and the center of the flange insert can be positioned on the rotation axis of the rotating member 521.

It can be understood that a V-shaped positioning opening is formed at one side of the third positioning element 541 close to the other third positioning element 541. The flange inserts are positioned by the two third positioning members 541 through respective V-shaped positioning openings, so that the flange inserts can be accurately positioned.

Further, a synchronizing gear 542 is rotatably disposed on the third bracket 51, a synchronizing rack 5411 is disposed on each of the two third positioning members 541, and the two synchronizing racks 5411 are respectively engaged with the synchronizing gear 542 from two sides. An operator pushes one of the third positioning elements 541, and the synchronizing gear 542 rotates along with the one of the third positioning elements 541, so as to drive the other third positioning element 541 to move, and thus the two third positioning elements 541 move closer to or away from each other.

It is understood that the third bracket 51 is further provided with a driving cylinder 543, and the driving cylinder 543 is configured to drive one of the third positioning members 541 to move.

It will be appreciated that trim piece 522 may generate more debris during the trimming of the flange insert. In order to collect the debris and improve the environment, the trimming mechanism 5 further comprises a second collecting box, and the third bracket 51 is provided with a second blanking hole below which the second collecting box is arranged.

As shown in fig. 2, the injection molding apparatus further includes a transmission assembly 7, the transmission assembly 7 includes a fourth support 71 and a transmission belt 72, two ends of the fourth support 71 are respectively rotatably provided with two tension rollers, and the transmission belt 72 is sleeved on the two tension rollers and is tensioned by the two tension rollers. The conveyor belt 72 can buffer the flange inserts and transport the flange inserts as needed.

Wherein, the end of transmission band 72 is provided with product detection piece 73, and when the flange mold insert moved to the end of transmission band 72 along with transmission band 72, product detection piece 73 reported to the police when detecting the flange mold insert, and suggestion operating personnel unloading prevents that the flange mold insert from dropping.

Further, the injection molding equipment further comprises a dust collector 8, and the dust collector 8 is communicated with the bottoms of the first material collecting box and the second material collecting box respectively. The dust collector 8 can suck out the positioning column 12 in the first collecting box and the debris in the second collecting box, and the collected debris is uniformly processed.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides an injection moulding equipment for at skeleton (1) outer injection moulding flange mold insert that becomes, skeleton (1) include body (11) and set up in a plurality of reference column (12) of body (11), its characterized in that includes:

a feeding mechanism (2), the feeding mechanism (2) being configured to place and position the skeleton (1);

an injection mechanism (3), the injection mechanism (3) being configured to form the flange insert by injecting a high temperature injection liquid outside the skeleton (1);

a shearing mechanism (4), the shearing mechanism (4) comprising a shear (41), the shear (41) being configured to shear the positioning post (12);

an edging mechanism (5), the edging mechanism (5) being configured to trim an outer contour of the flange insert;

the end of the mechanical arm (6) is connected with an extraction part, the extraction part can extract the framework (1) and the flange insert and respectively move to the feeding mechanism (2), the injection molding mechanism (3), the shearing mechanism (4) and the trimming mechanism (5).

2. An injection molding apparatus according to claim 1, wherein the body (11) has a plurality of positioning holes (13) formed along a circumferential direction thereof, the feeding mechanism (2) includes a first positioning assembly (21), and the first positioning assembly (21) includes:

the guide piece (211) is provided with at least two guide grooves (2111) along the direction extending outwards from the center of the guide piece (211);

at least two first positioning members (213), each first positioning member (213) is slidably disposed in one of the guide slots (2111), and each first positioning member (213) is configured to be inserted into one of the positioning holes (13);

the first driving piece (212) can rotate relative to the guide piece (211) and is coaxially arranged, at least two driving grooves (2121) are formed in the direction, extending outwards, of the center of the first driving piece (212), at least two driving grooves (2121) are bent towards the same side along the circumferential direction of the first driving piece (212), the first positioning piece (213) penetrates through the driving grooves (2121), and the first positioning piece (213) can be driven to slide along the guide grooves (2111) during rotation of the first driving piece (212).

3. An injection molding apparatus as claimed in claim 2, wherein said feed mechanism (2) further comprises:

a first bracket (22);

first carousel (23), first carousel (23) rotate set up in first support (22), a plurality of first locating component (21) along the circumference interval of first carousel (23) set up in first carousel (23).

4. The injection molding apparatus according to claim 3, wherein the first bracket (22) has a through hole (221), the first positioning assembly (21) further comprises a support member (214), the support member (214) has at least two avoiding grooves (2141) along a direction extending outward from a center thereof, the support member (214) is disposed on the guide member (211), each first positioning member (213) passes through one of the avoiding grooves (2141), the support member (214) is configured to support the frame (1), the first positioning assembly (21) can sequentially rotate to above the through hole (221) along with the first turntable (23), the feeding mechanism (2) further comprises a first lifting assembly (25), and the first lifting assembly (25) comprises:

a top column (251), wherein the top column (251) penetrates through the through hole (221) and is connected with the first bracket (22) in a sliding mode along the vertical direction, and the top column (251) can push the support (214) when sliding upwards;

a second driving member (252), wherein the second driving member (252) is configured to drive the jacking column (251) to lift.

5. An injection molding apparatus as claimed in claim 4, wherein said top post (251) has a driven rack (253) on one side thereof, said second driving member (252) is a rotary motor, an output shaft of said rotary motor is provided with a driving gear (254), and said driving gear (254) is engaged with said driven rack (253).

6. An injection molding apparatus as claimed in claim 1, wherein said shear mechanism (4) further comprises a second positioning assembly (42), said second positioning assembly (42) comprising:

the second bracket (421), the shearing part (41) is arranged on the second bracket (421) in a sliding way;

the second rotating disc (422), the second rotating disc (422) is rotatably arranged on the second support (421);

the two second positioning parts (423) are arranged on the second rotating disc (422) in a sliding mode to be close to or far away from each other.

7. An injection molding apparatus as claimed in claim 6, wherein a V-shaped positioning opening is opened on one side of the second positioning member (423) close to the other second positioning member (423).

8. An injection molding apparatus as claimed in claim 1, wherein said trimming mechanism (5) includes a third bracket (51) and a trimming assembly (52), said trimming assembly (52) including:

a rotating member (521), the rotating member (521) being rotatable about a vertical axis with respect to the third bracket (51);

the trimming piece (522) is arranged on the rotating piece (521), and when the rotating piece (521) rotates, the track of the trimming piece (522) is circular.

9. An injection molding apparatus as claimed in claim 8, wherein said trimming mechanism (5) further comprises a second lift assembly (53), said second lift assembly (53) comprising:

the lifting piece (531), the lifting piece (531) is arranged on the third support (51) in a sliding mode along the vertical direction, and the rotating piece (521) is connected with the lifting piece (531) in a rotating mode;

the screw rod (532), the screw rod (532) rotate set up in third support (51), piece (531) and screw thread connection of screw rod (532) go up and down.

10. An injection molding apparatus as claimed in claim 8, wherein said deburring mechanism (5) further comprises a third positioning assembly (54), said third positioning assembly (54) comprising two third positioning members (541), said two third positioning members (541) being slidably disposed on said carriage to move toward or away from each other.