CN113650228A

CN113650228A - Synchronous ejection mechanism and method for rotary core double-color mold

Info

Publication number: CN113650228A
Application number: CN202110912503.6A
Authority: CN
Inventors: 张志�; 林嵩驰; 苏佳
Original assignee: Ningbo Junsheng Qunying Automobile System Co Ltd
Current assignee: Ningbo Junsheng Qunying Automobile System Co Ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-11-16
Anticipated expiration: 2041-08-10
Also published as: CN113650228B

Abstract

The invention discloses a synchronous ejection mechanism and a synchronous ejection method for a rotary core double-color mold, and aims to provide a synchronous ejection mechanism for the rotary core double-color mold, which effectively avoids deformation and improves the yield, and comprises the following steps: the device comprises a first die body, a material ejecting mechanism and a clamping mechanism; the clamping mechanism can axially move relative to the first die body and is used for clamping two ends of an object and taking out the processed object on the first die body in the axial movement process; the ejection mechanism comprises an elastic piece and an ejection part, and the elastic piece drives the ejection part to have a position which is matched with the middle position of the object and ejects the object on the first die body; in the moving process of the clamping mechanism on the first die body, the ejection part interacts with the clamping mechanism under the action of the elastic piece to synchronously move the object out of the first die body; the invention relates to the technical field of dies.

Description

Synchronous ejection mechanism and method for rotary core double-color mold

Technical Field

The invention relates to the technical field of molds, in particular to a synchronous ejection mechanism and a synchronous ejection method for a rotary core double-color mold.

Background

When the automobile air conditioner air outlet is manufactured, the forming die is needed to be used for forming structures of all parts, so that the structures are assembled to form the automobile air conditioner air outlet structure, the forming die is used for forming, and the manufacturing is convenient.

The air door of current vehicle air conditioner air outlet need adopt forming die to air door two times contour machining when the shaping that carries on for the first time adds man-hour, and the structural strength of air door is lower, when being broken away from the mould body, receives the easy deformation that produces under the exogenic action, leads to the yields of air door not to reach the needs yet, influences vehicle air conditioner air outlet's whole use and experiences, and appears the extravagant problem of injection molding material easily, production efficiency is low.

Disclosure of Invention

Aiming at the defects of the prior art, the rotary core double-color mold synchronous ejection mechanism and the method thereof can effectively avoid deformation and reduce waste of injection molding materials.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a synchronous ejection mechanism of core double-color mold changes, includes: the device comprises a first die body, a material ejecting mechanism and a clamping mechanism;

the clamping mechanism can axially move relative to the first die body and is used for clamping two ends of an object and taking out the processed object on the first die body in the axial movement process;

the ejection mechanism comprises an elastic piece and an ejection part, and the elastic piece drives the ejection part to have a position which is matched with the middle position of the object and ejects the object on the first die body;

during the moving process of the clamping mechanism on the first die body, the ejection part and the clamping mechanism interact under the action of the elastic piece to synchronously move the object out of the first die body.

After the structure is adopted, compared with the prior art, the synchronous ejection mechanism for the rotary core double-color mold has the following advantages: set up liftout mechanism, liftout portion shifts out the article from the first mould body with fixture interact under the elastic component effect in step, and the article is taken out on the first mould body at both ends and both ends atress jointly, can effectively avoid the article uneven atress to arouse deformation when taking out, has promoted product quality.

As an improvement of the invention, an installation seat is further arranged between the elastic piece and the ejecting part, and the ejecting part is detachably connected to the installation seat. Set up the mount pad between liftout portion and elastic component, liftout portion detachable connects on the mount pad, has the characteristics of making things convenient for the dismouting to be convenient for to maintain.

As a modification of the invention, the elastic members are symmetrically arranged along the length direction of the mounting seat. The improvement ensures that the elastic piece symmetrically applies force to the mounting seat in the length direction of the mounting seat, the force is uniformly distributed, the mounting seat is prevented from shifting when being driven by the elastic piece, and the ejection part can be stably contacted with an object.

As a modification of the present invention, the first mold body is further provided with a sliding groove, the sliding groove is used for the movement of the mounting seat, and the sliding groove is used for the movement of the mounting seat when being driven by the elastic member to have a limit position. The mounting seat is assembled in the sliding groove, so that the occupied space is reduced, and the miniaturization is facilitated; the spout supplies the mount pad to remove and have extreme position, has the guide effect to the removal of mount pad, has promoted the stability that the mount pad removed, makes liftout portion can be more steady contact with the article. After the object is taken out of the first die body, the mounting seat is moved by the driving piece to abut against the bottom end of the sliding groove, so that the mounting seat and the ejection part are moved to limit positions, and the interference of movement among parts caused by falling and excessive movement of the parts is avoided.

As an improvement of the present invention, the first mold body is located inside the clamping mechanism, two ends of the mounting seat extend to the outside of the first mold body, and the clamping mechanism is matched with the mounting seat extending outside the first mold body. Two ends of the mounting seat extend to the outer side of the first die body, when the clamping framework moves axially to reset, the clamping mechanism moves to be in contact with two ends of the mounting seat, and the clamping mechanism moves to push the mounting seat to a position where the ejection part leaves and ejects an object on the first die body; when the clamping mechanism moves axially to take the object on the first die body, the mounting seat is abutted to the surface of the clamping mechanism under the action of the elastic piece so as to keep moving synchronous with clamping, and until the ejection part and the clamping mechanism interact to take the object out of the first die body, the mounting seat is abutted to the bottom end of the sliding groove under the action of the elastic piece.

As an improvement of the invention, the ejection part adopts an ejector rod, and the first die body is provided with a through hole matched with the ejector rod. The liftout portion adopts the ejector pin to set up on the first mould body with ejector pin complex through-hole, make the removal of liftout portion more smooth, stability is high.

As an improvement of the invention, the number of the ejection parts is several, and the ejection parts are arranged on the mounting seat in an arrayed manner. The staff can rationally set up the quantity of liftout portion according to the length of article, and a plurality of liftout portions have a plurality of contact points when contacting with the article, further avoid the atress inequality to arouse that the article appears deforming.

The die further comprises a connecting seat, a driving mechanism arranged on the connecting seat and a second die body; the second die body and the first die body are rotationally and symmetrically arranged, the first die body is provided with a first cavity for one-time forming of an object, and the second die body is provided with a second cavity for secondary forming of the object;

the clamping mechanism is provided with two clamping stations, the clamping stations are used for connecting two ends of a formed object, and the driving mechanism is used for driving the clamping mechanism to axially move and switch the clamping stations between the two die bodies after rotating;

SS01 and a driving mechanism drive the clamping mechanism to move to one of the clamping stations of the clamping mechanism to enter the first cavity, and at the moment, the other clamping station is located in the second cavity;

SS02, a material injection pipeline connected with the first cavity injects materials into the first cavity, an object is formed on the first mould body, and two ends of the formed object are connected to a clamping station positioned in the first cavity;

SS03, a driving mechanism drives the clamping mechanism to move axially to take out the object in the first cavity, and in the moving process of taking out the object by the clamping mechanism, the ejection part interacts with the clamping mechanism under the action of the elastic piece to synchronously remove the object formed in one step from the first mold body;

SS04, a driving mechanism drives the clamping mechanism to move until the object which is formed in one step is opposite to the second cavity; continuously driving the clamping station which clamps the once-formed object to enter a second cavity, and injecting materials into the second cavity by a material injection pipeline of the second cavity so as to perform secondary forming processing on the object; in the process of secondary molding of the object by the second cavity, the first cavity simultaneously molds the object which is molded once;

SS05 and a driving mechanism drive the clamping mechanism to move to the clamping station and leave the second cavity;

SS06, taking the secondary formed object out of the clamping station.

SS07, repeating SS 01-SS 06, and performing continuous secondary molding on the object.

Drawings

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

Fig. 2 is a schematic view of the structure of the part of the present invention in an exploded state.

Fig. 3 is a rear view of the present invention.

Fig. 4 is a schematic sectional view of the structure of fig. 3 taken along the direction of a-a.

Fig. 5 is an enlarged schematic view of the structure at a in fig. 4 of the present invention.

FIG. 6 is a schematic sectional view of the structure of FIG. 3 taken along line B-B.

Fig. 7 is a schematic structural view of the ejector mechanism of the present invention.

Fig. 8 is an enlarged schematic view of the structure at B in fig. 7 of the present invention.

Shown in the figure: 1. a first mold body; 1.1, a chute; 1.2, through holes; 1.3, a first main mold; 1.4, a first secondary die; 1.5, a first cavity; 2. a material ejecting mechanism; 2.1, an elastic piece; 2.2, a material ejecting part; 2.3, mounting seats; 3. a clamping mechanism; 3.1, mounting frames; 3.2, clamping; 6. a connecting seat; 7. a second mold body; 7.1, a second main die; 7.2, a second secondary die; 7.3, a second cavity; 8. a drive mechanism; 9. an object; 10. and a movable seat.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

Referring to fig. 1-8, a synchronous ejection mechanism for a rotary core dual-color mold comprises: the device comprises a first die body 1, a material ejecting mechanism 2 and a clamping mechanism 3;

the clamping mechanism 3 can axially move relative to the first die body 1, and the clamping mechanism 3 is used for clamping two ends of the object 9 and taking out the processed object 9 on the first die body 1 in the axial moving process;

the material ejecting mechanism 2 comprises an elastic part 2.1 and an ejecting part 2.2, wherein the elastic part 2.1 drives the ejecting part 2.2 to have a position which is matched with the middle position of the object 9 and ejects the object 9 on the first die body 1;

during the movement of the clamping mechanism 3 on the first mould body 1, the ejector part 2.2, under the action of the elastic element 2.1, interacts with the clamping mechanism 3 and simultaneously moves the object 9 out of the first mould body 1.

After the structure is adopted, compared with the prior art, the synchronous ejection mechanism for the rotary core double-color mold has the following advantages: set up liftout mechanism 2, liftout portion 2.2 under the effect of elastic component 2.1 with 3 interactions of fixture shift out article 9 from first mould body 1 in step, article 9 is taken out on first mould body 1 with atress jointly between both ends and both ends, can effectively avoid article 9 uneven atress to arouse deformation when taking out, promoted product quality.

As an improvement of the invention, an installation seat 2.3 is further arranged between the elastic piece 2.1 and the ejection part 2.2, and the ejection part 2.2 is detachably connected to the installation seat 2.3. Set up mount pad 2.3 between liftout portion 2.2 and elastic component 2.1, liftout portion 2.2 detachable connects on mount pad 2.3, has the characteristics of making things convenient for the dismouting to be convenient for maintain.

As a modification of the present invention, the elastic members 2.1 are symmetrically disposed along the length direction of the mounting seat 2.3. The improvement enables the elastic piece 2.1 to symmetrically apply force to the mounting seat 2.3 in the length direction of the mounting seat 2.3, the force is uniformly distributed, the mounting seat 2.3 is prevented from moving and deviating when being driven by the elastic piece 2.1, and then the material ejecting part 2.2 can be stably contacted with the object 9.

As a modification of the present invention, the first mold body 1 is further provided with a sliding chute 1.1, the sliding chute 1.1 is used for moving the mounting seat 2.3, and the sliding chute 1.1 is used for limiting the movement of the mounting seat 2.3 when driven by the elastic member 2.1. The mounting seat 2.3 is assembled in the chute 1.1, so that the occupied space is reduced, and the miniaturization is facilitated; spout 1.1 supplies mount pad 2.3 to remove and have extreme position, has the guide effect to the removal of mount pad 2.3, has promoted the stability that mount pad 2.3 removed, makes liftout portion 2.2 can be more steady contact with article 9. After the object 9 is taken out from the first die body 1, the mounting seat 2.3 is moved by the driving part to abut against the bottom end of the chute 1.1, so that the movement of the mounting seat 2.3 and the ejector part 2.2 has a limit position, and the interference of the movement between the parts caused by the falling and excessive movement of the parts is avoided.

As an improvement of the present invention, the first mold body 1 is located inside the clamping mechanism 3, two ends of the mounting seat 2.3 extend to the outside of the first mold body 1, and the clamping mechanism 3 is matched with the mounting seat 2.3 extending outside the first mold body 1. Two ends of the mounting seat 2.3 extend to the outer side of the first die body 1, when the clamping framework moves axially to reset, the clamping mechanism 3 moves to be in contact with two ends of the mounting seat 2.3, and the clamping mechanism 3 moves to push the mounting seat 2.3 to a position where the ejection part 2.2 is away from the position for ejecting the object 9 on the first die body 1; when the clamping mechanism 3 moves axially to take the object 9 on the first die body 1, under the action of the elastic piece 2.1, the mounting seat 2.3 is abutted against the surface of the clamping mechanism 3 to keep moving synchronous with clamping until the object 9 is taken out of the first die body 1 by the interaction of the material ejecting part 2.2 and the clamping mechanism 3, and the mounting seat 2.3 is abutted against the bottom end of the chute 1.1 under the action of the elastic piece 2.1.

As an improvement of the invention, the ejection part 2.2 adopts an ejector rod, and the first die body 1 is provided with a through hole 1.2 matched with the ejector rod. Ejector part 2.2 adopts the ejector pin to set up on the first mould body 1 with ejector pin complex through-hole 1.2, make ejector part 2.2's removal more smooth, stability is high.

As a modification of the invention, the number of the ejection parts 2.2 is several, and several ejection parts 2.2 are arranged on the mounting seat 2.3. The staff can rationally set up the quantity of liftout portion 2.2 according to the length of article 9, and a plurality of liftout portions 2.2 have a plurality of contact points when contacting with article 9, further avoid the atress inequality to cause article 9 to appear deformation.

An object forming method of a synchronous ejection mechanism of a rotary core double-color mold further comprises a connecting seat 6, a driving mechanism 8 arranged on the connecting seat 6 and a second mold body 7; the second die body 7 and the first die body 1 are rotationally and symmetrically arranged, the first die body 1 is provided with a first cavity 1.5 for one-time forming of the object 9, and the second die body 7 is provided with a second cavity 7.3 for two-time forming of the object 9;

the clamping mechanism 3 is provided with two clamping stations, the clamping stations are used for connecting two ends of a formed object 9, and the driving mechanism 8 is used for driving the clamping mechanism 3 to axially move and switch the clamping stations between the two die bodies after rotating;

SS01 and a driving mechanism 8 drive the clamping mechanism 3 to move to one of the clamping stations of the clamping mechanism 3 to enter the first cavity 1.5, and at the moment, the other clamping station is positioned in the second cavity 7.3;

a material injection pipeline connected with SS02 and the first cavity 1.5 injects materials into the first cavity 1.5, an object 9 is formed on the first die body 1, and two ends of the formed object 9 are connected to a clamping station in the first cavity 1.5;

SS03 and a driving mechanism 8 drive the clamping mechanism 3 to move axially to take out the object 9 in the first cavity 1.5, and in the moving process of taking out the object 9 by the clamping mechanism 3, the ejection part 2.2 interacts with the clamping mechanism 3 under the action of the elastic part 2.1 to synchronously remove the object 9 which is formed in one step from the first die body 1;

SS04 and a driving mechanism 8 drive the clamping mechanism 3 to move until the object 9 which is formed in one step is opposite to the second cavity 7.3; continuously driving the clamping station which clamps the object 9 which is subjected to the primary forming to enter the second cavity 7.3, and injecting materials into the second cavity 7.3 by the material injection pipeline of the second cavity 7.3 to perform secondary forming processing on the object 9; in the process that the second cavity 7.3 carries out secondary forming on the object 9, the first cavity 1.5 simultaneously forms the object 9 which is formed in one step;

SS05 and a driving mechanism 8 drive the clamping mechanism 3 to move to the clamping station and leave the second cavity 7.3;

SS06, removing the over-molded article 9 from the holding station.

SS07, and SS 01-SS 06 were repeated to perform continuous secondary molding of the article 9.

The working principle is as follows: the connecting seat 6 is further provided with a second mold body 7, the second mold body 7 is arranged symmetrically to the first mold body 1, the first mold body 1 comprises a first main mold 1.3 and a first auxiliary mold 1.4, the second mold body 7 comprises a second main mold 7.1 and a second auxiliary mold 7.2, the first main mold 1.3 and the second main mold 7.1 are respectively connected with the connecting seat 6, the first auxiliary mold 1.4 and the second auxiliary mold 7.2 are connected to a moving seat 10, the moving seat 10 drives the first auxiliary mold 1.4 to merge or separate with the first main mold 1.3 and drives the second auxiliary mold 7.2 to merge or separate with the second main mold 7.1, the first auxiliary mold 1.4 merges with the first main mold 1.3 to form a first cavity 1.5, and the second auxiliary mold 7.2 merges with the second main mold 7.1 to form a second cavity 7.3;

the first cavity 1.5 is used for one-time forming processing with the object 9, the second cavity 7.3 is used for secondary forming processing of the object 9, the second die body 7 is also provided with an ejector rod which is used for ejecting the object 9 in the second cavity 7.3 in a matching way, and the ejector rod on the second die body 7 can be driven by a pneumatic device as the object 9 processed in the second cavity 7.3 has required strength;

the first die cavity 1.5 on the first die body 1 and the second die cavity 7.3 on the second die body 7 are respectively provided with two, two finished products can be processed by one-time processing, and the production efficiency is high;

the clamping mechanism 3 comprises an installation frame 3.1 and two clamps 3.2 connected to the installation frame 3.1, clamping stations are formed by clamping parts on the clamps 3.2, one of the clamping stations is arranged corresponding to the first mould body 1, and the other clamping station is arranged corresponding to the second mould body 7;

the mounting frame 3.1 is matched with the end face of the mounting base 2.3 in the moving process so that the elastic piece 2.1 contracts, and the material ejecting part 2.2 moves to the bottom end of the through hole 1.2 to a position away from the position for ejecting the object 9;

the driving mechanism 8 adopts a telescopic rod and a rotating cylinder for driving the telescopic rod to rotate, the output end of the telescopic rod is connected with the middle position of the mounting rack 3.1 through a connecting piece, and the fixed end of the telescopic rod is connected with the output end of the rotating cylinder;

the driving mechanism 8 drives the mounting frame 3.1 to move axially so that the clamping part of the clamp 3.2 is close to the first cavity 1.5 and the second cavity 7.3 or is far away from the first cavity 1.5 and the second cavity 7.3, and when the clamping part of the clamp 3.2 enters the first cavity 1.5 and the second cavity 7.3, the moving seat 10 drives the first auxiliary die 1.4 and the second auxiliary die 7.2 to be respectively merged with the first main die 1.3 and the second main die 7.1; before the clamping part of the clamp 3.2 is far away from the first cavity 1.5 and the second cavity 7.3, the moving seat 10 drives the first secondary die 1.4 and the second secondary die 7.2 to separate;

through-hole 1.2 sets up on first master die 1.3, and liftout portion 2.2 sets up with first master die 1.3 cooperation, and mount pad 2.3 and elastic component 2.1 set up between first master die 1.3 and connecting seat 6.

After the one-step forming processing is completed, the driving mechanism 8 firstly drives the mounting frame 3.1 to move axially, in the moving process of the mounting frame 3.1, the elastic piece 2.1 pushes the mounting seat 2.3 towards the front end of the through hole 8 until the ejection part 2.2 interacts with the clamping part of the clamp 3.2 to take the object 9 out of the first main mold 1.3, further, the driving mechanism 8 drives the mounting frame 3.1 to rotate circumferentially (the limiting effect of the chute 1.1 on the mounting seat 2.3 can effectively avoid the problem that the ejection part 2.2 excessively moves to cause interference with the rotation of the clamping mechanism 3, the clamping position originally corresponding to the first mold body 1 corresponds to the second mold body 7 after rotating, the clamping position originally corresponding to the second mold body 7 corresponds to the first mold body 1 after rotating, and after the one-step formed object 9 corresponds to the second mold body 7, the driving mechanism 8 drives the clamping mechanism 3 to move axially to be opposite to the second mold body 7, and further moving to place the once-formed object 9 on the second mold body 7 to perform secondary forming processing on the second mold body 7.

The object 9 after the secondary forming can be taken out for subsequent processing, at the moment, the driving mechanism 8 drives the clamping mechanism 3 to rotate, the two processing stations on the driving mechanism 8 are circularly switched between the first cavity 1.5 and the second cavity 7.3, when the processing stations of the clamping mechanism 3 enter the first cavity 1.5, the clamping mechanism 3 moves to be abutted against the mounting seat 2.3 and continues to move to the ejection part 2.2 to leave the position for ejecting the object 9 until the clamping ends of the clamping stations are at the two ends of the first cavity 1.5. This device is integrated on same set of mould with one shot forming process flow and post forming's process flow, promotes the functionality of mould, has the characteristics that carry the flow in the middle of reducing, reduction in production cost.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a synchronous ejection mechanism of core double-color mold changes which characterized in that includes: the device comprises a first die body (1), a material ejecting mechanism (2) and a clamping mechanism (3);

the clamping mechanism (3) can axially move relative to the first die body (1), and the clamping mechanism (3) is used for clamping two ends of the object (9) and taking out the processed object (9) from the first die body (1) in the axial movement process;

the material ejecting mechanism (2) comprises an elastic piece (2.1) and an ejecting part (2.2), wherein the elastic piece (2.1) drives the ejecting part (2.2) to have a position which is matched with the middle position of the object (9) and ejects the object (9) on the first die body (1);

in the moving process of taking the clamping mechanism (3) from the first die body (1), the ejection part (2.2) and the clamping mechanism (3) interact under the action of the elastic piece (2.1) to synchronously move the object (9) out of the first die body (1).

2. The synchronous ejection mechanism of the rotary core double-color mold according to claim 1, characterized in that: still be provided with mount pad (2.3) between elastic component (2.1) and liftout portion (2.2), liftout portion (2.2) detachable connects on mount pad (2.3).

3. The synchronous ejection mechanism of the rotary core double-color mold according to claim 2, characterized in that: the elastic pieces (2.1) are symmetrically arranged along the length direction of the mounting base (2.3).

4. The synchronous ejection mechanism of the rotary core double-color mold according to claim 2, characterized in that: the first die body (1) is further provided with a sliding groove (1.1), the mounting seat (2.3) is supplied to the sliding groove (1.1) to move, and the sliding groove (1.1) is used for limiting the movement of the mounting seat (2.3) when driven by the elastic piece (2.1).

5. The synchronous ejection mechanism of a rotary core double-color mold according to claim 3, characterized in that: the first die body (1) is located on the inner side of the clamping mechanism, two ends of the mounting seat (2.3) extend to the outer side of the first die body (1), and the clamping mechanism is matched with the mounting seat (2.3) extending out of the outer side of the first die body (1).

6. The synchronous ejection mechanism of the rotary core double-color mold according to claim 1, characterized in that: the ejection part (2.2) adopts an ejector rod, and a through hole (1.2) matched with the ejector rod is formed in the first die body (1).

7. The synchronous ejection mechanism of the rotary core double-color mold according to claim 1, characterized in that: the quantity of liftout portion (2.2) has a plurality of, and a plurality of liftout portion (2.2) are arranged and are set up on mount pad (2.3).

8. An object forming method of a rotary core double-color mold synchronous ejection mechanism is characterized in that: the die further comprises a connecting seat (6), a driving mechanism (8) arranged on the connecting seat (6) and a second die body (7); the second die body (7) and the first die body (1) are arranged in a rotational symmetry mode, the first die body (1) is provided with a first cavity (1.5) for one-time forming of an object (9), and the second die body (7) is provided with a second cavity (7.3) for two-time forming of the object (9);

the clamping mechanism (3) is provided with two clamping stations, the clamping stations are used for connecting two ends of a formed object (9), and the driving mechanism (8) is used for driving the clamping mechanism (3) to axially move and switch the clamping stations between the two die bodies after rotating;

SS01 and a driving mechanism (8) drive the clamping mechanism (3) to move to one clamping station of the clamping mechanism (3) to enter the first cavity (1.5), and at the moment, the other clamping station is positioned in the second cavity (7.3);

SS02, a material injection pipeline connected with the first cavity (1.5) injects materials into the first cavity (1.5), an object (9) is molded on the first die body (1), and two ends of the molded object (9) are connected to a clamping station in the first cavity (1.5);

SS03, a driving mechanism (8) drives the clamping mechanism (3) to move axially to take out the object (9) in the first cavity (1.5), and in the moving process of taking the object (9) by the clamping mechanism (3), the ejection part (2.2) interacts with the clamping mechanism (3) under the action of the elastic piece (2.1) to synchronously remove the object (9) formed in one step from the first die body (1);

SS04 and a driving mechanism (8) drive the clamping mechanism (3) to move until the object (9) which is formed in one step is opposite to the second cavity (7.3); continuously driving the clamping station which clamps the object (9) subjected to the primary forming to enter a second cavity (7.3), and injecting materials into the second cavity (7.3) by a material injection pipeline of the second cavity (7.3) to perform secondary forming processing on the object (9); in the process that the second cavity (7.3) carries out secondary forming on the object (9), the first cavity (1.5) simultaneously forms the object (9) which is formed in one step;

SS05 and a driving mechanism (8) drive the clamping mechanism (3) to move to the clamping station and leave the second cavity (7.3);

SS06, taking the secondary formed object (9) out of the clamping station.

SS07, and SS 01-SS 06 are repeated to perform continuous secondary molding of the object (9).