CN217798345U - Bellows separating mechanism and mould closing mechanism - Google Patents

Abstract

The utility model discloses a corrugated pipe separating mechanism and a mould closing mechanism, wherein the separating mechanism comprises an insert piece group for separating a mould piece to carry out primary wave forming, an insert piece mounting frame for mounting the insert piece group and an insert piece driving mechanism for driving the insert piece group to move towards the direction of a pipe blank; inserted sheet group is including a plurality of inserted sheets, and is a plurality of the one end of inserted sheet is installed on the inserted sheet mounting bracket, the other end extends towards the direction of mould, and is a plurality of the length of inserted sheet is reduced to the direction in the mould outside by the mould center in proper order. The utility model discloses a separating mechanism can separate the die fast to improve the machining efficiency of bellows.

Description

Bellows separating mechanism and mould closing mechanism

Technical Field

The utility model relates to a bellows manufacture equipment, concretely relates to bellows partition mechanism and locking mechanism.

Background

The metal corrugated pipe is a tubular part with a continuous corrugated special-shaped section and is an important component of a corrugated pipe assembly. Due to the special structural form, the pipe fitting has the functions superior to those of a straight-wall pipe fitting or a metal hose in the aspects of connection, sealing, shock absorption and the like. The molding technology of the metal corrugated pipe is various, and the application of the corrugated pipe molding field is wide, and the corrugated pipe molding belongs to the hydroforming technology; particularly, in the production of thin-wall corrugated pipes with medium and small diameters, hydraulic forming occupies a large market share; the hydraulic forming technology of the corrugated pipe is a typical application of the modern hydraulic forming in the pipe forming; the shaping process of hydraulic forming metal bellows is few, high in production efficiency, good in product quality, the former degree of automation is high, easy and simple to handle, but current hydraulic forming metal bellows degree of automation is low, every shaping pad all needs the manual work to put and remove, human labor intensity is high, the sealed effect of fore shaft three lamella is poor, produce the weeping, be difficult to reach higher shaping pressure, shaping pressure is difficult to control invariably in the pipe blank, the mould dustcoat is the semicircle post form that opens and shuts, bellows axiality control after the shaping is not good.

In order to solve the problems, the invention patent application with the application publication number of CN 111250586A discloses a guiding and positioning tool for a rapid corrugated pipe forming mold, which comprises a base and positioning columns, wherein three positioning columns are uniformly inserted into the inner wall of the base, the outer walls of the three positioning columns are fixedly provided with top plates, the upper end of the base is fixedly provided with a lower plugging cover, the inner part of the lower plugging cover is provided with a sealing pipe section, the upper end of the lower plugging cover is fixedly provided with a second end sheet, the inner wall of the second end sheet is provided with a second sealing ring fixed with the lower plugging cover, a pipe blank is arranged between the second sealing ring and the second end sheet, and the inner wall of the top plate is inserted with a connecting column, the lower extreme fixed assembly of spliced pole has last blanking cover, the lower extreme fixed assembly of going up the blanking cover has first end piece, the inner wall of first end piece is equipped with the first sealing washer of fixing mutually with last blanking cover, the pipe is located between first sealing washer and the first end piece, the outer wall joint of reference column has a plurality of limit structure, every limit structure's the equal fixed assembly in upper end has the locating piece, the locating piece cup joints in the outer wall of reference column, and the equal fixed assembly in medial extremity of every locating piece has the layer board, the upper end and the first end piece of layer board are laminated mutually, all the rest the upper end of layer board all is equipped with well die, the base passes through the interlock structure and links to each other with three reference column. The working principle of the guide positioning tool for the forming die is as follows: before hydraulic forming, a forming die is selected according to specification parameters of a corrugated pipe to be processed, a group of mounting holes at the bottom are selected according to the outer diameter size of the forming die to be provided with limit columns, limit structures on the limit columns are adjusted to specified scales according to the technological process, positioning is carried out, during hydraulic forming, prefabricated pipe blank parts are placed on a lower plug cover, a second sealing ring is mounted, formed middle dies are sequentially placed on a support plate on the inner side of a positioning block, a first sealing ring is mounted at an upper port of a corrugated pipe blank to be processed and is plugged, a hydraulic press is started, the upper plug cover is compacted by the connecting columns, high-pressure emulsion is introduced into the pipe sections in a sealing mode, when the pressure reaches the yield strength of the pipe blank, the pipe blank outwards expands to form a primary wave between two adjacent dies, the pressure in the pipe is kept constant at the moment, a linkage structure is rotated, three linkages are realized, the positioning columns are connected, the support plate on the inner side of the positioning block is removed quickly as a whole, then the forming pressure is increased, the middle dies and the press is completely attached to the first end plate and the second end plate, the corrugated pipe is attached to a specified wave thickness, the pipe wall, the pipe is attached to be shaped, the corrugated pipe is removed, and the corrugated pipe is removed. Although the forming die guiding and positioning tool can realize the integral quick withdrawal of the supporting plate on the inner side of the positioning block through the rotary linkage structure after the primary wave is completed, the forming die guiding and positioning tool still has the following problems: when hydraulic forming is first time, at first need adjust limit structure to the regulation scale, install the location, then put fashioned well die piece to the inboard layer board of locating piece in proper order on, not only technology is complicated, and inefficiency influences the production progress moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provides a bellows partition mechanism, and this partition mechanism can be separated the die fast to improve the machining efficiency of bellows.

Another object of the present invention is to provide a mold clamping mechanism comprising the above corrugated pipe separating mechanism.

The utility model provides a technical scheme of above-mentioned technical problem is:

a corrugated pipe separating mechanism comprises an insert piece group for separating a die sheet to perform primary wave forming, an insert piece mounting frame for mounting the insert piece group and an insert piece driving mechanism for driving the insert piece group to move towards a pipe blank; inserted sheet group is including a plurality of inserted sheets, and is a plurality of the one end of inserted sheet is installed on the inserted sheet mounting bracket, the other end extends towards the direction of mould, and is a plurality of the length of inserted sheet is reduced to the direction in the mould outside by the mould center in proper order.

The working principle of the corrugated pipe separating mechanism is as follows:

the corrugated pipe forming mold comprises a plurality of mold sheets, the corrugated pipe forming is divided into two processes, the first process is a primary wave forming stage, and in the primary wave forming stage, two adjacent mold sheets are separated by an inserting sheet according to a fixed distance; the second process is a final molding stage in which two adjacent dies are in close proximity, the final shape of the waveform being controlled by the cavities of the two adjacent dies; the specific process from primary wave forming to final wave forming is as follows: firstly, after the last corrugated pipe is deformed in the final forming stage, the pushing head used for pushing the mould sheets to be attached to each other is withdrawn, after the pushing head is withdrawn, the pushing force on the mould sheet group is removed, and the spring in the mould sheet gives an elastic force to the two adjacent mould sheets, so that the adjacent mould sheets are bounced to open a certain gap, and the insertion sheets can conveniently enter; at the moment, the lower die descends for a certain distance, and the upper die ascends for a certain distance, so that the deformed corrugated pipe can be conveniently taken out; then, the tube blank is placed into a die cavity, the plug is plugged, meanwhile, the lower die rises and reaches a limit position, and the upper die also descends to the limit position; then, the insert driving mechanism is started to drive the insert group to move towards the direction of the die, and as the distances between the extending ends of the inserts and the tube blank are sequentially increased along the direction from the middle part to the end part of the tube blank, the insert positioned in the middle part of the tube blank is the longest, firstly enters the gap between the adjacent die sheets and pushes the die sheet in the middle part towards the end part of the tube blank; then, the insert driving mechanism continues to act to drive the insert group to continue to move towards the direction of the lower die, so that the die sheets are separated towards the end part of the tube blank in sequence and are separated from each other by the width distance of the inserts; next, after the die sheets are separated, introducing a pressure medium to enable the tube blank to deform outwards between two adjacent die sheets to finish primary wave forming; next, the insert driving mechanism acts to enable the insert group to move in the direction away from the tube blank, so that the insert group is pulled out of the die sheet; and finally, pushing the dies at the two ends of the tube blank to move towards the middle of the tube blank by the action of the pushing head, so that the dies are mutually attached, introducing a high-pressure medium, and forming a final waveform in the die cavities of the two dies by the primary wave under the action of the high-pressure medium.

The utility model discloses a preferred scheme, the inserted sheet mounting bracket sets up in the top of mould, and is a plurality of the upper end of inserted sheet is installed on the inserted sheet mounting bracket, the lower extreme extends toward the direction of mould. Therefore, when the insert driving mechanism drives the insert group to move downwards, the insert group separates the die sheet below to perform primary wave forming on the pipe blank.

The utility model discloses a preferred scheme, the inserted sheet is including being used for the installation department of being connected with the inserted sheet mounting bracket and being used for the convenience with the detached guide part of diaphragm, the size of guide part is from top to bottom dwindles gradually to form a toper structure. The guide part is arranged to be of a conical structure, and when the insert driving mechanism drives the insert group to move towards the direction of the die, the guide part of the conical structure is convenient to insert into a gap between the adjacent dies, so that the adjacent dies are convenient to separate.

The utility model discloses a preferred scheme, the inserted sheet group is including setting up right inserted sheet group on the pipe right side and setting up at the left inserted sheet group of pipe. The insert piece groups are arranged, when the insert piece driving mechanism drives the insert piece groups to move downwards, the insert piece groups respectively separate the die pieces from two ends of the tube blank, so that corrugations are formed on two sides of the tube blank, and the shape of the tube blank is reserved in the middle of the tube blank.

In a preferred embodiment of the present invention, the right insert set comprises a right front insert set arranged at the front side of the tube blank and a right rear insert set arranged at the rear side of the tube blank; left side inserted sheet group is including setting up left front inserted sheet group and the left back inserted sheet group of setting in the pipe rear side at the pipe front side. Set up the inserted sheet group of above-mentioned structure, right front inserted sheet group with by back inserted sheet group front and back symmetry, left front inserted sheet group and left back inserted sheet group front and back symmetry, inserted sheet actuating mechanism drive inserted sheet group down when moving apart the diaphragm, the inserted sheet group that the symmetry set up makes the balanced atress of diaphragm, is convenient for part.

The utility model discloses an optimal scheme, the inserted sheet mounting bracket includes the inserted sheet mounting panel and is used for the installation the link of inserted sheet mounting panel, the upper end of inserted sheet mounting panel is connected on the link, the lower extreme is connected with the installation department of inserted sheet. Set up the inserted sheet mounting bracket of above-mentioned structure, inserted sheet actuating mechanism can realize the driving action to the inserted sheet group through the motion of drive inserted sheet mounting bracket to can separate the die.

Preferably, the inserted sheet mounting panel has two, and one of them is installed in the front side of link, and another piece is installed in the link rear side. Like this, left front inserted sheet group, right front inserted sheet group are installed on the inserted sheet mounting panel that is located the front side, and left back inserted sheet group, right back inserted sheet group are installed on the inserted sheet mounting panel that is located the rear side, install respectively in the front, the inserted sheet mounting panel on the rear side makes the fore-and-aft atress of link more balanced, and when inserted sheet actuating mechanism drive inserted sheet group down moved, the link of balanced atress made whole structure more reliable and more stable.

The utility model discloses a preferred scheme, inserted sheet actuating mechanism includes inserted sheet drive element and is used for the installation drive element's carriage, the carriage includes the spliced pole and installs mount table on the spliced pole, the mount table is located the top of link, the spliced pole runs through the link is equipped with on this link and is used for dodging the hole of dodging of spliced pole.

Preferably, the insertion sheet driving element comprises an insertion sheet driving oil cylinder, a cylinder barrel of the insertion sheet driving oil cylinder is installed on the installation table, and a piston rod of the insertion sheet driving oil cylinder is connected with the connecting frame.

A corrugated pipe die clamping mechanism comprises a separation mechanism, a movable die frame used for installing a die sheet and a die clamping driving mechanism used for driving the movable die frame to move towards the direction of a fixed die frame, wherein the separation mechanism is arranged on the movable die frame.

The utility model discloses a preferred scheme, compound die actuating mechanism includes the driving piece, the driving piece includes fixed part and relative the movable part of fixed part activity, the fixed part is installed in the mould frame, the one end of movable part is connected on the movable mould frame. The mold closing driving mechanism is arranged, when the driving part acts, the movable part can move relative to the fixed part, and the fixed part is fixedly arranged on the mold frame, so that the movable part drives the movable mold frame to move, and when the movable part drives the movable mold frame to move towards the direction of the fixed mold frame, the mold closing action is completed; and when the movable part drives the movable mould frame to move in the direction away from the fixed mould frame, the mould opening action is completed.

Preferably, the driving member is a mold clamping cylinder, a cylinder barrel of the mold clamping cylinder constitutes the fixed portion, and a piston rod constitutes the movable portion.

The utility model discloses a preferred scheme still including being used for the guide the guiding mechanism of movable mould frame activity, guiding mechanism including set up the guide arm in the mould frame and with the guide pin bushing that the guide arm matches, the guide pin bushing is installed movable mould frame is last. Set up above-mentioned guiding mechanism, when compound die or die sinking, the movable mould frame can be along the guide arm activity, has increased the smooth degree of movable mould frame activity, has improved the stability of equipment.

Compared with the prior art, the utility model following beneficial effect has:

1. the utility model discloses a ripple partition mechanism drives the inserted sheet group through inserted sheet actuating mechanism and moves toward mould direction for the inserted sheet inserts between two adjacent matrixes, can separate the matrix fast, when actuating mechanism drive inserted sheet group toward keeping away from mould direction motion, can will leave the matrix fast, thereby can effectively improve the production efficiency of bellows.

2. The utility model discloses a bellows partition mechanism, the extension end of a plurality of inserted sheets increases in proper order along the direction of pipe middle part to the tip with the distance of pipe, when inserted sheet actuating mechanism drive inserted sheet group toward mould direction motion, can get into between the die in proper order to can be in proper order with the die toward the direction extrusion of pipe tip, finally separate simple structure, design benefit.

Drawings

Fig. 1-2 are schematic views of a bellows partition mechanism according to the present invention, in which fig. 1 is a front view and fig. 2 is a perspective view.

Fig. 3-4 are schematic views showing a group of insert sheets inserted into a movable mold to separate dies, wherein fig. 3 is a front view and fig. 4 is a perspective view.

Fig. 5 to 6 are sectional front views and fig. 6 is a perspective view of a bellows clamping mechanism according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Referring to fig. 1-4, the bellows separating mechanism of the present invention includes an insert sheet set 1 for separating a mold sheet 4 to perform primary wave forming, an insert sheet mounting bracket 2 for mounting the insert sheet set 1, and an insert sheet driving mechanism for driving the insert sheet set 1 to move toward a tube blank; inserting piece group 1 includes a plurality of inserted sheets, and is a plurality of the one end of inserted sheet is installed on inserted sheet mounting bracket 2, the other end extends towards the direction of mould, and is a plurality of the length of inserted sheet is reduced to the direction in the mould outside by the mould center in proper order.

Referring to fig. 1-4, the insert mounting rack 2 is disposed above the mold, the upper ends of a plurality of inserts are mounted on the insert mounting rack 2, and the lower ends extend toward the mold. Thus, when the insert driving mechanism drives the insert group 1 to move downwards, the insert group 1 is inserted between the adjacent mold sheets 4, so that the mold sheets 4 are separated, and the primary wave forming of the tube blank is realized.

Referring to fig. 1-4, the insert comprises a mounting portion for connecting with the insert mounting bracket 2 and a guide portion for facilitating separation of the mold sheet 4, and the size of the guide portion is gradually reduced from top to bottom, thereby forming a tapered structure. The guide part is arranged to be of a conical structure, and when the insert driving mechanism drives the insert group 1 to move towards the direction of the mold, the guide part of the conical structure is convenient to insert into a gap between adjacent mold pieces 4, so that the mold pieces 4 are guided to be separated.

Referring to fig. 1-4, the insertion sheet set 1 comprises a right insertion sheet set 1-1 arranged on the right side of the tube blank and a left insertion sheet set 1-2 arranged on the left side of the tube blank. The insert group 1 is arranged, when the insert driving mechanism drives the insert group 1 to move downwards, the right insert group 1-1 and the left insert group 1-2 are inserted into the insert 4 to respectively separate the insert 4 towards the two ends of the tube blank, so that the two sides of the tube blank are corrugated, and the shape of the tube blank is reserved in the middle of the tube blank.

Referring to fig. 1-4, the right insert plate group 1-1 comprises a right front insert plate group arranged on the front side of the tube blank and a right rear insert plate group arranged on the rear side of the tube blank; left side inserted sheet group 1-2 is including setting up the left front inserted sheet group in the pipe front side and setting up the left back inserted sheet group in the pipe rear side. The insert piece group 1 with the structure is arranged, the right front insert piece group and the right rear insert piece group are symmetrical front and back, the left front insert piece group and the left rear insert piece group are symmetrical front and back, and when the insert piece driving mechanism drives the insert piece group 1 to move downwards to separate the mold piece 4, the insert piece group 1 which is symmetrically arranged enables the mold piece 4 to be stressed in a balanced manner, so that the separation is facilitated.

Referring to fig. 1-4, the insert mounting bracket 2 includes an insert mounting plate 5 and a connecting frame 6 for mounting the insert mounting plate 5, the upper end of the insert mounting plate 5 is connected to the connecting frame 6, and the lower end is connected to the mounting portion of the insert. Set up the inserted sheet mounting bracket 2 of above-mentioned structure, inserted sheet actuating mechanism can realize the driving action to inserted sheet group 1 through the motion of drive inserted sheet mounting bracket 2 to can separate diaphragm 4.

Referring to fig. 1-4, the insert mounting plate 5 has two pieces, one piece is mounted on the front side of the connecting frame 6, and the other piece is mounted on the rear side of the connecting frame 6. Like this, left front inserted sheet group, right front inserted sheet group are installed on the inserted sheet mounting panel 5 that is located the front side, and left back inserted sheet group, right back inserted sheet group are installed on the inserted sheet mounting panel 5 that is located the rear side, install inserted sheet mounting panel 5 in the front respectively, on the rear side make the atress around link 6 more balanced, when inserted sheet actuating mechanism drive inserted sheet group 1 down moved, the link 6 of balanced atress makes whole structure more reliable and more stable.

Referring to fig. 1-4, inserted sheet actuating mechanism includes inserted sheet actuating element and is used for the installation actuating element's drove yoke, the drove yoke includes spliced pole 7 and installs mount table 8 on the spliced pole 7, mount table 8 is located the top of link 6, the spliced pole 7 runs through link 6, is equipped with on this link 6 to be used for dodging connect the hole of dodging of 7.

Referring to fig. 1-4, the insert driving element includes an insert driving cylinder 9, a cylinder of the insert driving cylinder 9 is mounted on the mounting table 8, and a piston rod of the insert driving cylinder 9 is connected to the connecting frame 6.

Referring to fig. 5 to 6, a bellows clamping mechanism includes the partition mechanism, a movable mold frame 10 for mounting a die 4, and a clamping driving mechanism for driving the movable mold frame 10 to move toward a fixed mold frame 11, and the partition mechanism is disposed on the movable mold frame 10.

Referring to fig. 5-6, the mold clamping driving mechanism includes a driving member 15, where the driving member 15 includes a fixed portion and a movable portion movable relative to the fixed portion, the fixed portion is mounted on the mold frame 14, and one end of the movable portion is connected to the movable mold frame 10. The mold closing driving mechanism is arranged, when the driving piece 15 acts, the movable part can move relative to the fixed part, the fixed part is fixedly arranged on the mold frame 14, so that the movable part drives the movable mold frame 10 to move, and when the movable part drives the movable mold frame 10 to move towards the direction of the fixed mold frame 11, the mold closing action is completed; when the movable part drives the movable mould frame 10 to move away from the fixed mould frame 11, the mould opening action is completed.

Referring to fig. 5 to 6, the driving member 15 is a clamping cylinder, a cylinder barrel of the clamping cylinder constitutes the fixed portion, and a piston rod constitutes the movable portion.

Referring to fig. 5 to 6, the die casting machine further comprises a guide mechanism for guiding the movable die carrier 10 to move, the guide mechanism comprises a guide rod 12 arranged on a die rack 14 and a guide sleeve 13 matched with the guide rod 12, and the guide sleeve 13 is mounted on the movable die carrier 10. The guide mechanism is arranged, when the die is closed or opened, the movable die carrier 10 can move along the guide rod 12, the moving smoothness of the movable die carrier 10 is increased, and the stability of the equipment is improved.

Referring to fig. 1 to 6, the working principle of the bellows partition mechanism is as follows:

the forming die of the corrugated pipe is composed of a plurality of mold sheets 4, the forming of the corrugated pipe is divided into two processes, the first process is a primary wave forming stage, and in the stage, two adjacent mold sheets 4 are separated by inserting sheets according to a fixed distance; the second process is a final molding stage in which two adjacent dies 4 are closely attached, and the final shape of the waveform is controlled by the cavities of the two adjacent dies 4; the specific process from primary wave forming to final wave forming is as follows: firstly, after the last corrugated pipe is deformed in the final molding stage, the pushing head for pushing the mold sheets 4 to be mutually attached is withdrawn, after the pushing head is withdrawn, the pushing force on the mold sheets is removed, and the spring in the mold sheet 4 gives an elastic force to the two adjacent mold sheets 4, so that the adjacent mold sheets 4 are bounced to form a certain gap, and the insertion sheets can conveniently enter; at the moment, the lower die descends for a certain distance, and the upper die ascends for a certain distance, so that the deformed corrugated pipe can be conveniently taken out; then, the tube blank is placed into a die cavity, the plug is plugged, meanwhile, the lower die rises and reaches a limit position, and the upper die also descends to the limit position; then the insert driving mechanism is started to drive the insert group 1 to move towards the direction of the die, and as the distances between the extending ends of the inserts and the tube blank are sequentially increased along the direction from the middle part to the end part of the tube blank, the insert positioned in the middle part of the tube blank is the longest, firstly enters the gap of the adjacent mold sheets 4, and pushes the mold sheet 4 in the middle part towards the end part of the tube blank; then, the insert driving mechanism continues to act to drive the insert group 1 to continue to move towards the direction of the lower die, so that the die sheets 4 are sequentially separated towards the end part of the tube blank and are separated from each other by the width distance of the inserts; next, after the die sheets are separated, introducing a pressure medium to enable the tube blank to deform outwards between two adjacent die sheets 4, and finishing primary wave forming; next, the inserting sheet driving mechanism acts to enable the inserting sheet group 1 to move in the direction away from the tube blank, so that the inserting sheet group 1 is separated from the die sheet 4; and finally, the die sheets 4 at the two ends of the tube blank are pushed to move towards the middle part of the tube blank, so that the die sheets 4 are mutually attached together, a high-pressure medium is introduced, and the primary waves form a final waveform in the die cavities of the two die sheets 4 under the action of the high-pressure medium.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (10)

1. A corrugated pipe separating mechanism is characterized by comprising an insert group for separating a die to perform primary wave forming, an insert mounting frame for mounting the insert group and an insert driving mechanism for driving the insert group to move towards a pipe blank; inserted sheet group is including a plurality of inserted sheets, and is a plurality of the one end of inserted sheet is installed on the inserted sheet mounting bracket, the other end extends towards the direction of mould, and is a plurality of the length of inserted sheet is reduced to the direction in the mould outside by the mould center in proper order.

2. The bellows separating mechanism of claim 1, wherein the insert mounting bracket is disposed above the mold, the upper ends of the plurality of inserts are mounted on the insert mounting bracket, and the lower ends of the plurality of inserts extend toward the mold.

3. The bellows separating mechanism of claim 2, wherein the insert comprises a mounting portion for coupling to the insert mounting bracket and a guide portion for facilitating separation of the dies, the guide portion being tapered from top to bottom to form a tapered configuration.

4. A bellows partition mechanism according to claim 1, wherein the tab sets comprise a right tab set disposed on the right side of the tube blank and a left tab set disposed on the left side of the tube blank.

5. A bellows partition mechanism according to claim 4, wherein the right insert piece group comprises a right front insert piece group arranged at the front side of the tube blank and a right rear insert piece group arranged at the rear side of the tube blank; left side inserted sheet group is including setting up left front inserted sheet group and the left back inserted sheet group of setting in the pipe rear side at the pipe front side.

6. The bellows separation mechanism of claim 3, wherein the insert mounting bracket comprises an insert mounting plate and a connecting bracket for mounting the insert mounting plate, wherein the upper end of the insert mounting plate is connected to the connecting bracket, and the lower end of the insert mounting plate is connected to the mounting portion of the insert.

7. A bellows partition mechanism according to claim 6, wherein the tab mounting plate is provided in two pieces, one piece being mounted on the front side of the connecting frame and the other piece being mounted on the rear side of the connecting frame.

8. The bellows separating mechanism according to claim 6, wherein the insert driving mechanism includes an insert driving element and a driving rack for mounting the driving element, the driving rack includes a connection column and a mounting table mounted on the connection column, the mounting table is located above the connection rack, the connection column runs through the connection rack, and a avoiding hole for avoiding the connection column is provided on the connection rack.

9. A bellows separating mechanism according to claim 8, wherein the insert driving element comprises an insert driving cylinder, a cylinder of which is mounted on the mounting table, and a piston rod of which is connected to the connecting frame.

10. A bellows clamping mechanism, comprising the partition mechanism of any one of claims 1 to 9, a movable mold frame for mounting a mold piece, and a clamping driving mechanism for driving the movable mold frame to move toward the fixed mold frame, wherein the partition mechanism is disposed on the movable mold frame.

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