CN212242003U - Structure capable of controlling core-pulling sequence of fixed die slide block during die opening and closing - Google Patents

Abstract

The utility model relates to the technical field of core pulling mechanisms, in particular to a structure capable of controlling core pulling sequence of a fixed die slide block when a die is opened and closed, which comprises an upper die, a lower die and an oil cylinder, wherein the upper die comprises an upper fixed plate, an upper convex die, a slide block and a slide core, the lower die comprises a lower concave die and a lower fixed plate, the upper fixed plate is provided with an installation cavity extending along the vertical direction, the upper convex die is fixedly arranged in the installation cavity, the lower concave die is fixedly arranged on the lower fixed plate, the slide block is positioned above the upper convex die, the oil cylinder drives the slide block to reciprocate along the vertical direction, one end of the slide core is matched with the slide block, the other end of the slide core penetrates through the upper convex die and extends to the lower concave die, after die assembly is completed, the slide core is matched with the upper convex die and the lower concave die to carry out press forming on a product, the die enters into, the slide block drives the slide core to move obliquely upwards in the upward movement process. The core-pulling process and the mold opening and closing process are carried out simultaneously.

Description

Structure capable of controlling core-pulling sequence of fixed die slide block during die opening and closing

Technical Field

The utility model relates to a mechanism technical field of loosing core, in particular to can control cover half slider when mould opens and shuts and loose core structure of order.

Background

The core-pulling mechanism is a common mechanism in the die and is a structure used for processing the problem that a product cannot be demoulded in the die-splitting process, most of the core-pulling mechanisms move along with the upper die, and the core-pulling precision is guaranteed by adopting positioning or guiding of a guide block and the like, so that the structure of the die is simplified, and the space of the die is reduced. The existing common core pulling mechanism has various structures such as forward core pulling and reverse core pulling, and the reverse core pulling mechanism occupies smaller space relative to the forward core pulling structure and has less limitation on the use space of a mold.

The following problems exist in the prior art, and the prior art discloses an inclined core-pulling mechanism in a die, and the application number is as follows: CN201420224246.2, described a including the bottom plate and fix the T type slide on the bottom plate, the slip core sets up on T type slide, still includes movable mould board and movable mould benevolence, and movable mould benevolence is fixed to be set up on the movable mould board, is equipped with the inside wall of slope in the movable mould benevolence, and the slip core is equipped with the lateral wall of slope. Through movable mould board and bottom plate separation, the inside wall is mutually supported with the lateral wall for the sliding core slides on T type slide, reaches the effect of loosing core. The sliding core of the structure does not displace in the vertical direction, and the movable core is separated from the sliding core by controlling the whole movable core to move upwards, so that the core pulling effect is achieved. Because the moving die core and other parts have larger weight, the precision of each core pulling process is difficult to ensure when the moving die core is controlled to move in the vertical direction, and meanwhile, the energy consumed when the moving die core is controlled to move is higher, so that the resource waste is caused.

SUMMERY OF THE UTILITY MODEL

Therefore, a structure capable of controlling the core pulling sequence of the fixed die slide block when the die is opened and closed needs to be provided, and the problems of high energy consumption in the core pulling process and the like are solved.

For realizing the above-mentioned purpose, the utility model provides a can control structure of cover half slider precedence of loosing core when mould opens and shuts, including last mould, lower mould and hydro-cylinder, it includes solid board, last terrace die, slider and smooth core to go up the mould, the lower mould includes die and lower solid board down, it is equipped with the installation cavity that extends along the vertical direction to go up solid board, it is fixed to go up the terrace die and set up in the installation cavity, be equipped with the mounting groove down on the solid board, the die is fixed in the mounting groove down, die and last terrace die phase-match down, the slider is located last terrace die top, hydro-cylinder drive slider is along vertical direction reciprocating motion, and the bottom of slider is equipped with the sliding tray that extends along the horizontal direction, the slope of smooth core sets up, the one end and the sliding tray sliding fit of smooth core, the other end of smooth core runs through the terrace die and extends to die down.

Furthermore, the upper fixing plate is further provided with a connecting channel extending along the horizontal direction, the connecting channel is communicated with the mounting cavity, a sliding seat is arranged in the connecting channel in a sliding mode, the sliding seat is movably connected with the sliding block, and the oil cylinder controls the sliding block to reciprocate along the vertical direction through the sliding seat. Set up the slide between hydro-cylinder and the slider, the hydro-cylinder passes through the motion of slide drive slider, compares in the hydro-cylinder direct with slider lug connection, and the area of connection of slide and slider is bigger, and protection slider that can be better is not impaired, increases the life of slider. The connecting channel enables the sliding seat to have a space which slides in the horizontal direction, and the integrity of the core pulling process can be guaranteed.

Further, still include the driver strip, the driver strip slope is upwards, the driver strip has contained angle alpha with the horizontal plane, contained angle alpha is the acute angle, the bottom and the slide fixed connection of driver strip, the slider be equipped with driver strip assorted slide channel. The driving strip is driven by the oil cylinder to do reciprocating linear motion along the horizontal direction, and because the driving strip has an included angle with the horizontal plane and is arranged in the sliding channel, in the process that the driving strip is far away from and close to the sliding block, the driving strip applies upward and downward force to the sliding block, so that the sliding block can do reciprocating linear motion in the vertical direction.

Further, still include the connecting block, the one end that the drive strip was kept away from to the slide is equipped with the spread groove, the hydro-cylinder includes hydro-cylinder body and output shaft, the setting can be dismantled in the spread groove to the connecting block, the one end and the connecting block fixed connection of output shaft, the other end and the this body coupling of hydro-cylinder of output shaft. The connecting block can be installed and dismantled with the spread groove fast, drops into the use fast. The sliding seat is connected with the oil cylinder through the connecting block, in the process of opening and closing the die, an output shaft of the oil cylinder can apply acting force on the connecting block, so that the abrasion of the connecting block is caused, the abrasion of the sliding seat is reduced, and the normal use of the die can be ensured only by replacing the connecting block for a period of time in the subsequent use.

Further, the oil cylinder further comprises a fixing block, the fixing block is fixedly arranged on the side face, communicated with the connecting channel, of the upper fixing plate, the oil cylinder body is fixedly connected with the fixing block, and the output shaft penetrates through the fixing block. The fixed block makes to have the hydro-cylinder fixed the setting on the side of last solid board, guarantees that the hydro-cylinder output shaft can apply for the slide along the power of horizontal direction when the function, has guaranteed the precision of the process of loosing core, and simultaneously at mould pressurize in-process, the counter force that the hydro-cylinder was applied to the mould is undertaken jointly by hydro-cylinder and fixed block, reduces the damage to the hydro-cylinder.

Further, still include two layering, the layering includes connecting portion and stop part, the relative both sides face of interface channel is equipped with the boss, connecting portion and boss fixed connection, stop part protrusion in boss place plane, the slide sets up the below at two layering stop parts. The layering makes the slide can only move between two layering, guarantees that the slide exerts the power of giving the drive strip and is the horizontal direction, further guarantees the precision of slide motion.

Further, still include the gag lever post, the vertical fixed setting of gag lever post is on solid board down, the gag lever post is equipped with along the fixture block of horizontal direction protrusion in the top, be equipped with the fixed slot on the slide, the gag lever post passes solid board on, fixture block and fixed slot mutually support. When the die assembly starts, the upper fixing plate and the lower fixing plate are close to each other, the oil cylinder pushes the sliding block to return to enter the core, meanwhile, the mounting block of the limiting rod is mutually blocked and connected with the fixing groove of the sliding seat, if the sliding block returns to enter the core first, when the limiting rod cannot return, the limiting rod can guarantee that the upper fixing plate and the lower fixing plate cannot be completely die-assembled, the core part of the die is effectively protected, and the die can be produced completely and stably.

Further, still including leading the slide, it is fixed to set up in the installation cavity to lead the slide, it is equipped with the slide rail that extends on the vertical direction to lead the slide, the slider slides and sets up on the slide rail. The slider mutually supports with leading the slide, and slider and upper die base do not have direct connected relation, reduce the problem of slider to the upper die base wearing and tearing in the use, increase the whole life of mould.

The die further comprises an upper die holder and a lower die holder, wherein the upper fixing plate is fixedly arranged on the lower surface of the upper die holder, and the lower fixing plate is fixedly arranged on the upper surface of the lower die holder.

Different from the prior art, the technical scheme has the following beneficial effects:

1. after the die assembly is completed, the sliding core is matched with the upper male die and the lower female die to perform press forming on a product, after the product is formed, the die enters the die opening process, the oil cylinder drives the sliding block to move upwards in the vertical direction, and the sliding block drives the sliding core to move upwards in the upwards moving process. And when the sliding core moves upwards in an inclined mode, the sliding core moves in the horizontal direction along the sliding groove in the bottom of the sliding block until the core pulling action is completed, and the upper die and the lower die start to separate. In the process of core pulling and resetting, the oil cylinder controls the sliding block and the sliding core to move in the vertical direction, the sliding core and the sliding block are small in mass, the oil cylinder can better control the accuracy of the core pulling process, meanwhile, the output power of the oil cylinder is small, and energy is saved.

2. When the mold is opened, the oil cylinder drives the sliding seat to be far away from the sliding block and the sliding core, and the sliding block and the sliding core move upwards through the driving strip to perform core pulling. When the core pulling process is not started, the clamping block of the limiting rod and the clamping groove of the fixing groove are in a mutually clamped state, and the upper die and the lower die are prevented from being separated. In the next mold closing process after the mold opening process is finished, when the upper fixed plate and the lower fixed plate are close to each other, the oil cylinder drives the sliding seat to move towards the sliding block and the sliding core simultaneously, the sliding block and the sliding core move downwards through the driving strip, and the limiting rod moves upwards relative to the upper fixed plate and is close to the fixed groove until the clamping of the limiting rod is finished. Make smooth core and slider downstream in advance when the mould breaks down, the slide is close to slider and smooth core in advance, leads to the gag lever post to pass the solid board and can't mutually support with the fixed slot, and the length of gag lever post can prevent that the mould from closing the mould completely at this moment, when guaranteeing to open and shut the mould normal clear, the process of loosing core and the slider is compared the process of opening and shutting of upper and lower mould and is gone on and accomplish simultaneously earlier, the effectual mould core component that has protected for the mould can the production that is totally stable.

Drawings

FIG. 1 is a front view of a structure for controlling the core pulling sequence of a fixed mold slide block when a mold is opened and closed according to an embodiment;

FIG. 2 is an exploded schematic view of a structure capable of controlling the core pulling sequence of a fixed mold slide block when a mold is opened and closed according to an embodiment;

FIG. 3 is a schematic cross-sectional view of a structure capable of controlling the core pulling sequence of a fixed mold slide block when a mold is opened and closed according to an embodiment;

FIG. 4 is a schematic sectional view illustrating an example of a structure for controlling the core pulling sequence of a fixed mold slider during mold opening and closing according to an embodiment;

FIG. 5 is a schematic structural diagram of a driving strip of a structure capable of controlling the core pulling sequence of a fixed mold slider when a mold is opened and closed according to an embodiment;

fig. 6 is a schematic structural diagram of a sliding core of a structure capable of controlling the core pulling sequence of a fixed mold slider when a mold is opened and closed according to a specific embodiment.

Description of reference numerals:

1. an upper die; 101. an upper die holder; 102. fixing the plate; 103. a guide slide; 104. a slider; 105. a sliding core; 106. a drive bar; 107. a slide base; 108. layering; 109. an oil cylinder; 1091. an oil cylinder body; 1092. an output shaft; 1010. connecting blocks; 1011. a fixed block; 1012. an upper male die;

2. a lower die; 201. a lower die holder; 202. a lower fixing plate; 203. a lower concave die; 203. a limiting rod;

3. and (5) producing the product.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1-6, the present embodiment discloses a structure capable of controlling the core pulling sequence of a fixed mold slider during mold opening and closing, including an upper mold 1, a lower mold 2 and an oil cylinder 109, where the upper mold 1 includes an upper mold base 101, an upper fixed plate 102, an upper male mold 1012, a guide slide base 103, a slider 104, a slide core 105, a driving bar 106, a slide base 107, a connection block 1010, a fixed block 1011 and two pressing bars 108, the upper fixed plate 102 is fixedly disposed below the upper mold base 101 through a bolt device, the upper fixed plate 102 is provided with a mounting cavity penetrating through the upper fixed plate 102 in the vertical direction, and the upper male mold 1012 is fixedly disposed in the mounting cavity through the bolt device. The lower die 2 comprises a lower die holder 201, a lower fixing plate 202, a lower female die 203 and a limiting rod 203, wherein the lower fixing plate 202 is fixedly arranged on the upper surface of the lower die holder 201 through a bolt device. The lower fixing plate 202 is provided with a mounting groove, the lower female die 203 is fixedly arranged in the mounting groove through a bolt device, and the upper male die 1012 is matched with the lower female die 203. The guide sliding seat 103 is fixedly arranged in the mounting cavity through a bolt device and is positioned above the upper male die 1012, one side of the guide sliding seat 103 is provided with a sliding rail extending along the vertical direction, and the sliding block 104 is movably connected with the guide sliding seat 103 through the sliding rail. The bottom of the sliding block 104 is provided with a sliding groove extending along the horizontal direction, the sliding core 105 is obliquely arranged, one end of the sliding core 105 is provided with a sliding core block matched with the sliding groove, the sliding core 105 is movably connected with the sliding block 104 through the sliding core block and the sliding groove, and the other end of the sliding core 105 penetrates through the upper male die 1012 and extends to the lower female die 203. The slide core 105 forms an included angle β with the horizontal plane, the included angle β is an acute angle, and in the embodiment, the included angle β is 60 °. The sliding block 104 is matched with the guide sliding seat 103, the sliding block 104 is not directly connected with the upper die base 101, the problem that the sliding block 104 abrades the upper die base 101 in the using process is reduced, and the service life of the whole die is prolonged. The sliding core 105 is in a track of moving obliquely upwards in the core pulling process, the sliding core 105 slides towards one end of the sliding block 104 while moving obliquely upwards, it is guaranteed that the sliding core 105 cannot collide with other components of the mold in the whole core pulling process, and damage to the sliding core 105 is reduced.

The upper fixing plate 102 is provided with a connecting channel extending in the horizontal direction, and the connecting channel is communicated with the installation cavity. The opposite two sides of the connecting channel are provided with bosses, the batten 108 comprises a connecting part and a blocking part, the connecting part is fixedly connected with the bosses through a bolt device, and the blocking part protrudes out of the plane where the bosses are located. The slide 107 is arranged below the stop of the two beads 108. The beads 108 enable the sliding seat 107 to move only between two beads 108, so that the force applied by the sliding seat 107 to the driving bar 106 is ensured to be horizontal, and the movement accuracy of the sliding seat 107 is further ensured.

Be equipped with drive strip 106 between slide 107 and the slider 104, drive strip 106 slope is upwards, the other end of drive strip 106 and horizontal plane constitute contained angle alpha, contained angle alpha is the acute angle, the bottom of drive strip 106 is through bolt device and slide 107 fixed connection, slider 104 is equipped with the slide channel with drive strip 106 assorted, it steps down the chamber to lead slide 103 to be close to slider 104 one side and be equipped with, slide channel and the chamber of stepping down are linked together, the one end that drive strip 106 kept away from slide 107 passes slide channel and enters into the intracavity of stepping down, the angle of contained angle alpha is 45 in this embodiment. The driving bar 106 is driven by the oil cylinder 109 to do reciprocating linear motion along the horizontal direction, and because the driving bar 106 forms an included angle with the horizontal plane and the driving bar 106 is arranged in the sliding channel, in the process that the driving bar 106 is far away from and close to the sliding block 104, the driving bar 106 applies upward and downward force to the sliding block 104, so that the sliding block 104 can do reciprocating linear motion in the vertical direction.

One end of the sliding seat 107 far away from the driving bar 106 is provided with a connecting groove, and the connecting block 1010 is detachably arranged in the connecting groove. The oil cylinder 109 comprises an oil cylinder body 1091 and an output shaft 1092, one end of the output shaft 1092 is fixedly connected with the connecting block 1010, and the other end of the output shaft 1092 is fixedly connected with the oil cylinder body 1091. The fixed block 1011 is fixedly arranged on the side face of the upper fixed plate 102 communicated with the connecting channel through a bolt device, the oil cylinder body 1091 is fixedly connected with the fixed block 1011 through the bolt device, and the output shaft 1092 penetrates through the fixed block 1011. Set up slide 107 between hydro-cylinder 109 and the slider 104, hydro-cylinder 109 passes through slide 107 drive slider 104 motion, compares in hydro-cylinder 109 direct and slider 104 direct connection, and the area of connection of slide 107 and slider 104 is bigger, and protection slider 104 that can be better is not impaired, increases slider 104's life. The connecting channel allows the sliding base 107 to have a space for sliding in the horizontal direction, which can ensure the integrity of the core pulling process. Connecting block 1010 and spread groove can accomplish quick installation and dismantle, drop into the use fast. The sliding seat 107 is connected with the oil cylinder 109 through the connecting block 1010, in the mold opening and closing process, an output shaft 1092 of the oil cylinder 109 exerts acting force on the connecting block 1010 to cause abrasion of the connecting block 1010, abrasion of the sliding seat 107 is reduced, and normal use of the mold can be guaranteed only by replacing the connecting block 1010 for a period of time in subsequent use. The fixed block 1011 makes the oil cylinder 109 fixedly arranged on the side of the upper fixed plate 102, so that the output shaft 1092 of the oil cylinder 109 can apply the force to the slide carriage 107 along the horizontal direction when the oil cylinder 109 operates, the accuracy of the core-pulling process is ensured, and meanwhile, in the mold pressure maintaining process, the reaction force of the oil cylinder 109 applied by the mold is jointly borne by the oil cylinder 109 and the fixed block 1011, so that the damage to the oil cylinder 109 is reduced.

The vertical setting of gag lever post 203 is on last solid board 102, gag lever post 203 passes through bolt assembly and last solid board 102 fixed connection, slide 107 middle part is equipped with the fixed slot, it is equipped with the through-hole that extends along the vertical direction to go up solid board 102, the both ends of through-hole are linked together with interface channel and last solid board 102 bottom surface respectively, the through-hole is corresponding with the fixed slot position, gag lever post 203 is equipped with along the fixture block of horizontal direction protrusion in the top, gag lever post 203 passes the through-hole and passes through the fixture block and the fixed slot mutually supports with slide 107. When the die assembly is started, the upper fixed plate 102 and the lower fixed plate 202 are close to each other, the oil cylinder 109 pushes the sliding block 104 to return to enter the core, meanwhile, the mounting block of the limiting rod 203 is mutually blocked with the fixing groove of the sliding seat 107, if the sliding block 104 returns to enter the core first, and the limiting rod 203 cannot return, the limiting rod 203 can ensure that the upper fixed plate 102 and the lower fixed plate 202 cannot be completely die assembled, so that the core part of the die is effectively protected, and the die can be produced completely and stably.

During assembly, the guide slide seat 103 is fixedly connected with the upper die holder 101 through a bolt device, the slide block 104 is movably connected with the guide slide seat 103 through a slide rail, and the slide core 105 is movably arranged at the bottom of the slide block 104 through a slide core block. One end of the driving bar 106 is fixedly arranged on the sliding seat 107 through a bolt device, and the other end of the driving bar 106 extends into the sliding channel. The connecting part of the two pressing strips 108 is fixedly arranged on a boss in the connecting channel through a bolt device, and the sliding seat 107 is arranged between the two pressing strips 108. The oil cylinder body 1091 is fixedly arranged on the fixing block 1011 through a bolt device, the output shaft 1092 penetrates through the fixing block 1011 and is fixedly connected with the connecting block 1010, the connecting block 1010 is arranged in the connecting groove, and then the fixing block 1011 is fixedly arranged on the side face of the upper fixing plate 102 through the bolt device. The upper fixing plate 102 is fixedly connected with the upper die base 101, the lower fixing plate 202 is fixedly connected with the lower die base 201, one end of the limiting rod 203 is fixedly connected with the lower fixing plate 202 through a bolt device, and meanwhile, a clamping block at the other end of the limiting rod 203 is mutually blocked and connected with a fixing groove of the sliding base 107, and therefore assembly is completed.

In the actual use process, after the die assembly is completed, the sliding core 105 is matched with the upper male die 1012 and the lower female die 203 to perform press forming on the product 3, after the product 3 is formed, the die enters the die opening process, the oil cylinder 109 drives the sliding block 104 to move upwards in the vertical direction, and the sliding block 104 drives the sliding core 105 to move upwards in the upwards moving process. While the slide core 105 moves obliquely upward, the slide core 105 moves in the horizontal direction along the slide groove at the bottom of the slider 104 until the core pulling action is completed. Accomplish the process of loosing core and open and shut the mould process and go on simultaneously to the structure of loosing core sets up in last solid board 102, and overall structure is simple. After core pulling is completed, the next mold closing process is started, and at this time, in the process that the upper fixed plate 102 and the lower fixed plate 202 are close to each other, the oil cylinder 109 drives the sliding seat 107 to approach the sliding block 104 and the sliding core 105, the sliding block 104 and the sliding core 105 are driven to move downwards by the driving bar 106, and meanwhile, the limiting rod 203 moves upwards relative to the upper fixed plate 102 and is close to the fixing groove until the clamping block of the limiting rod 203 is clamped with the fixing groove when mold closing is completed. When the mold breaks down, the sliding core 105 and the sliding block 104 move downwards in advance, the sliding seat 107 approaches the sliding block 104 and the sliding core 105 in advance, the limiting rod 203 penetrates through the upper fixing plate 102 and cannot be matched with the fixing groove, the length of the limiting rod 203 can prevent the mold from being completely matched at the moment, the core part of the mold is effectively protected, and the mold can be produced completely and stably.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is known, other changes and modifications can be made to the embodiments by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all the modifications of the equivalent structure or equivalent flow path using the contents of the specification and the drawings of the present invention, or directly or indirectly using other related technical fields are also included in the scope of the present invention.

Claims (9)

1. The utility model provides a structure that can control cover half slider when mould opens and shuts and loose core precedence, its characterized in that, includes mould, lower mould and hydro-cylinder, it includes solid board, last terrace die, slider and smooth core to go up the mould, the lower mould includes lower die and lower solid board, it is equipped with the installation cavity that extends along the vertical direction to go up solid board, go up the fixed setting of terrace die in the installation cavity, be equipped with the mounting groove on the solid board down, the die is fixed in the mounting groove down, die and last terrace die phase-match down, the slider is located last terrace die top, hydro-cylinder drive slider is along vertical direction reciprocating motion, and the bottom of slider is equipped with the sliding tray that extends along the horizontal direction, smooth core slope sets up, the one end and the sliding tray sliding fit of smooth core, the other end of smooth core runs through the terrace die and extends to die down.

2. The structure of claim 1, wherein: the upper fixing plate is further provided with a connecting channel extending in the horizontal direction, the connecting channel is communicated with the installation cavity, a sliding seat is arranged in the connecting channel in a sliding mode, the sliding seat is movably connected with the sliding block, and the oil cylinder controls the sliding block to reciprocate in the vertical direction through the sliding seat.

3. The structure of claim 2, wherein: still include the drive strip, the slope of drive strip makes progress, the drive strip has contained angle alpha with the horizontal plane, contained angle alpha is the acute angle, the bottom and the slide fixed connection of drive strip, the slider be equipped with drive strip assorted slide channel.

4. The structure of claim 3, wherein: the connecting device is characterized by further comprising a connecting block, one end, far away from the driving strip, of the sliding seat is provided with a connecting groove, the oil cylinder comprises an oil cylinder body and an output shaft, the connecting block can be detachably arranged in the connecting groove, one end of the output shaft is fixedly connected with the connecting block, and the other end of the output shaft is connected with the oil cylinder body.

5. The structure of claim 4, wherein: the oil cylinder is characterized by further comprising a fixing block, the fixing block is fixedly arranged on the side face, communicated with the connecting channel, of the upper fixing plate, the oil cylinder body is fixedly connected with the fixing block, and the output shaft penetrates through the fixing block.

6. The structure of claim 2, wherein: still include two layering, the layering includes connecting portion and stop part, the relative both sides face of interface channel is equipped with the boss, connecting portion and boss fixed connection, stop part protrusion in boss place plane, the slide sets up the below at two layering stop parts.

7. The structure of claim 2, wherein: the limiting rod is vertically and fixedly arranged on the lower fixing plate, a clamping block protruding out of the top end in the horizontal direction is arranged on the limiting rod, a fixing groove is formed in the sliding seat, the limiting rod penetrates through the upper fixing plate, and the clamping block is matched with the fixing groove.

8. The structure of claim 1, wherein: still including leading the slide, it is fixed to set up in the installation cavity to lead the slide, it is equipped with the slide rail that extends on the vertical direction to lead the slide, the slider slides and sets up on the slide rail.

9. The structure of claim 1, wherein: the die comprises an upper die base and a lower die base, wherein the upper die base is fixedly arranged on the lower surface of the upper die base, and the lower die base is fixedly arranged on the upper surface of the lower die base.

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