A structure capable of controlling the core pulling sequence of the fixed mold slide block when the mold is opened and closed

Abstract

The present invention relates to the technical field of core pulling mechanism, and in particular to a structure that can control the order of core pulling of a fixed mold slider when the mold is opened and closed, comprising an upper mold, a lower mold and an oil cylinder, wherein the upper mold comprises an upper fixed plate, an upper punch, a slider and a sliding core, and the lower mold comprises a lower concave mold and a lower fixed plate, wherein the upper fixed plate is provided with an installation cavity extending in a vertical direction, wherein the upper punch is fixedly arranged in the installation cavity, wherein the lower concave mold is fixed on the lower fixed plate, wherein the slider is located above the upper punch, wherein the oil cylinder drives the slider to reciprocate in a vertical direction, wherein one end of the sliding core cooperates with the slider, wherein the other end of the sliding core penetrates the upper punch and extends to the lower concave mold, wherein after the mold is closed, the sliding core cooperates with the upper punch and the lower concave mold to press and form the product, wherein the mold enters the mold opening process, wherein the oil cylinder drives the slider to move upward in a vertical direction, wherein the slider drives the sliding core to move obliquely upward during the upward movement, so that the core pulling process and the mold opening and closing process are carried out simultaneously.

Description

Technical Field

[0001] The invention relates to the technical field of core pulling mechanisms, in particular to a structure capable of controlling the core pulling sequence of a fixed mold slide block when a mold is opened or closed. Background Art

[0002] The core pulling mechanism is a common mechanism in the mold. It is used to deal with the problem that the product cannot be demolded during the mold separation process. The core pulling mechanism mostly moves with the upper mold, and uses guide blocks and other positioning or guiding methods to ensure the accuracy of the core pulling, thereby simplifying the structure of the mold and reducing the space of the mold. Currently, the common core pulling mechanisms include forward core pulling and reverse core pulling. The reverse core pulling mechanism occupies less space than the forward core pulling structure and has fewer restrictions on the use space of the mold.

[0003] The prior art has the following problems. A mold inner inclined core pulling mechanism is disclosed in the prior art, and the application number is: CN201420224246.2. It describes a mechanism including a bottom plate and a T-shaped slide fixed on the bottom plate, a slide core is arranged on the T-shaped slide, and also includes a movable plate and a movable mold core, the movable mold core is fixedly arranged on the movable plate, an inclined inner side wall is arranged on the movable mold core, and an inclined outer side wall is arranged on the slide core. By separating the movable plate and the bottom plate, the inner side wall and the outer side wall cooperate with each other, so that the slide core slides on the T-shaped slide to achieve the effect of core pulling. The slide core of this structure does not move in the vertical direction, and the movable mold core is separated from the slide core by controlling the entire movable mold core to move upward, so as to achieve the effect of core pulling. Due to the large weight of the movable mold core and other components, it is difficult to ensure the accuracy of each core pulling process when controlling the movable mold core to move in the vertical direction. At the same time, the energy consumed when controlling the movement of the movable mold core is high, resulting in a waste of resources. Summary of the invention

[0004] To this end, it is necessary to provide a structure that can control the order of core pulling of the fixed mold slider when the mold is opened and closed, so as to solve the problem of high energy consumption during the core pulling process.

[0005] To achieve the above-mentioned purpose, the present invention provides a structure that can control the sequence of core pulling of the fixed mold slider when the mold is opened and closed, including an upper mold, a lower mold and an oil cylinder, the upper mold includes an upper fixed plate, an upper punch, a slider and a sliding core, the lower mold includes a lower concave mold and a lower fixed plate, the upper fixed plate is provided with a mounting cavity extending in a vertical direction, the upper punch is fixedly arranged in the mounting cavity, the lower fixed plate is provided with a mounting groove, the lower concave mold is fixed in the mounting groove, the lower concave mold matches the upper punch, the slider is located above the upper punch, the oil cylinder drives the slider to reciprocate in the vertical direction, the bottom of the slider is provided with a sliding groove extending in the horizontal direction, the sliding core is inclined, one end of the sliding core is slidably matched with the sliding groove, and the other end of the sliding core passes through the upper punch and extends to the lower concave mold.

[0006] Furthermore, the upper fixing plate is also provided with a connecting channel extending in the horizontal direction, the connecting channel is connected to the installation cavity, a sliding seat is slidably arranged in the connecting channel, the sliding seat is movably connected to the slider, and the oil cylinder controls the slider to reciprocate in the vertical direction through the sliding seat. A sliding seat is arranged between the oil cylinder and the slider, and the oil cylinder drives the slider to move through the sliding seat. Compared with the direct connection between the oil cylinder and the slider, the connection area between the sliding seat and the slider is larger, which can better protect the slider from damage and increase the service life of the slider. The connecting channel allows the sliding seat to have space to slide in the horizontal direction, which can ensure the integrity of the core pulling process.

[0007] Furthermore, it also includes a driving bar, the driving bar is inclined upward, the driving bar has an angle α with the horizontal plane, the angle α is an acute angle, the bottom end of the driving bar is fixedly connected to the slide seat, and the slide block is provided with a sliding channel matching the driving bar. The driving bar performs reciprocating linear motion along the horizontal direction under the drive of the oil cylinder. Since the driving bar has an angle with the horizontal plane and the driving bar is arranged in the sliding channel, in the process of the driving bar moving away from and approaching the slide block, the driving bar applies an upward and downward force to the slide block, so that the slide block can perform reciprocating linear motion in the vertical direction.

[0008] Furthermore, it also includes a connecting block, and a connecting groove is provided at one end of the slide away from the driving bar. The oil cylinder includes an oil cylinder body and an output shaft. The connecting block is detachably arranged in the connecting groove, one end of the output shaft is fixedly connected to the connecting block, and the other end of the output shaft is connected to the oil cylinder body. The connecting block and the connecting groove can be quickly installed and disassembled, and quickly put into use. The slide and the oil cylinder are connected by the connecting block. During the process of opening and closing the mold, the output shaft of the oil cylinder will exert a force on the connecting block, causing wear of the connecting block and reducing wear of the slide. In subsequent use, it only takes a period of time to replace the connecting block to ensure the normal use of the mold.

[0009] Furthermore, it also includes a fixed block, which is fixedly arranged on the side of the upper fixed plate connected to the connecting channel, the oil cylinder body is fixedly connected to the fixed block, and the output shaft passes through the fixed block. The fixed block allows the oil cylinder to be fixedly arranged on the side of the upper fixed plate, ensuring that the output shaft can apply a force to the slide seat in the horizontal direction when the oil cylinder is in operation, ensuring the accuracy of the core pulling process, and at the same time, during the mold pressure holding process, the reaction force applied by the mold to the oil cylinder is shared by the oil cylinder and the fixed block, reducing damage to the oil cylinder.

[0010] Furthermore, two pressure strips are included, the pressure strips include a connecting portion and a blocking portion, bosses are provided on two opposite sides of the connecting channel, the connecting portion is fixedly connected to the bosses, the blocking portion protrudes from the plane where the bosses are located, and the slide is arranged below the blocking portions of the two pressure strips. The pressure strips enable the slide to move only between the two pressure strips, ensuring that the force applied by the slide to the driving bar is in the horizontal direction, further ensuring the accuracy of the slide movement.

[0011] Furthermore, it also includes a limit rod, which is vertically fixed on the lower fixed plate, and the limit rod is provided with a clamping block protruding from the top in the horizontal direction, and the slide seat is provided with a fixing groove, and the limit rod passes through the upper fixed plate, and the clamping block and the fixing groove cooperate with each other. When the mold closing starts, the upper fixed plate and the lower fixed plate approach each other, and the oil cylinder pushes the slider to return to the core, and at the same time, the mounting block of the limit rod and the fixing groove of the slide seat are mutually blocked. If the slider returns to the core first and the limit rod cannot return, the limit rod can ensure that the upper fixed plate and the lower fixed plate cannot be completely closed, which effectively protects the core components of the mold and enables the mold to be produced completely stably.

[0012] Furthermore, it also includes a guide slide seat, which is fixedly arranged in the installation cavity, and the guide slide seat is provided with a slide rail extending in the vertical direction, and the slider is slidably arranged on the slide rail. The slider and the guide slide seat cooperate with each other, and the slider and the upper mold seat have no direct connection relationship, which reduces the problem of the slider wearing the upper mold seat during use and increases the overall service life of the mold.

[0013] Furthermore, it also includes an upper die base and a lower die base, the upper fixing plate is fixedly arranged on the lower surface of the upper die base, and the lower fixing plate is fixedly arranged on the upper surface of the lower die base.

[0014] Different from the prior art, the above technical solution has the following beneficial effects:

[0015] 1. After the mold is closed, the slide core cooperates with the upper punch and the lower die to press and form the product. After the product is formed, before the mold enters the mold opening process, the oil cylinder drives the slider to move upward in the vertical direction. During the upward movement of the slider, the slide core moves obliquely upward. While the slide core moves obliquely upward, the slide core moves horizontally along the sliding groove at the bottom of the slider until the core pulling action is completed and the upper and lower molds begin to separate. During the core pulling and resetting process, the slide core and the slide core are controlled by the oil cylinder to move in the vertical direction. The mass of the slide core and the slide core is small, and the oil cylinder can better control the accuracy of the core pulling process. At the same time, the power output of the oil cylinder is small, saving energy.

[0016] 2. When opening the mold, the oil cylinder drives the slide away from the slider and the slide core, and the slider and the slide core move upward through the driving bar to pull the core. Before the core pulling process begins, the block of the limit rod and the slot of the fixed groove are in a mutually engaged state, preventing the upper mold and the lower mold from separating. After the mold opening process is completed, in the next mold closing process, when the upper fixed plate and the lower fixed plate are close to each other, the oil cylinder simultaneously drives the slide to approach the slider and the slide core, and the slider and the slide core move downward through the driving bar. At the same time, the limit rod moves upward relative to the upper fixed plate and approaches the fixed groove until the mold closing is completed, and the block of the limit rod and the fixed groove are engaged with each other. When a mold malfunctions and causes the sliding core and the slider to move downward prematurely, the slide seat approaches the slider and the sliding core in advance, causing the limit rod to pass through the upper fixing plate and be unable to cooperate with the fixing groove. The length of the limit rod can prevent the mold from being completely closed at this time, ensuring that the mold opening and closing are carried out normally. The core pulling process and the reset process of the sliding core and the slider are carried out one step earlier than the opening and closing process of the upper and lower molds and are completed at the same time, effectively protecting the core components of the mold and allowing the mold to be produced completely stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of a structure for controlling the core pulling sequence of the fixed mold slider when the mold is opened and closed as described in a specific implementation method;

[0018] Figure 2 It is an exploded schematic diagram of a structure capable of controlling the core pulling sequence of a fixed mold slide block when a mold is opened and closed as described in a specific implementation manner;

[0019] Figure 3 It is a cross-sectional schematic diagram of a structure capable of controlling the core pulling sequence of a fixed mold slide block when a mold is opened or closed, as described in a specific implementation manner;

[0020] Figure 4 It is a cross-sectional exploded schematic diagram of a structure capable of controlling the core pulling sequence of a fixed mold slide block when a mold is opened and closed as described in a specific implementation manner;

[0021] Figure 5 A schematic diagram of a driving bar structure of a structure capable of controlling the sequence of core pulling of a fixed mold slide block when the mold is opened and closed as described in a specific implementation manner;

[0022] Figure 6 It is a schematic diagram of a sliding core structure of a structure that can control the sequence of core pulling of a fixed mold slide block when the mold is opened and closed, as described in a specific implementation method.

[0023] Description of reference numerals:

[0024] 1. Upper die; 101. Upper die seat; 102. Upper fixing plate; 103. Guide slide seat; 104. Sliding block; 105. Sliding core; 106. Driving bar; 107. Sliding seat; 108. Pressing bar; 109. Oil cylinder; 1091. Oil cylinder body; 1092. Output shaft; 1010. Connecting block; 1011. Fixing block; 1012. Upper punch;

[0025] 2. lower die; 201. lower die base; 202. lower fixing plate; 203. lower concave die; 204. limiting rod;

[0026] 3. Products. DETAILED DESCRIPTION

[0027] In order to explain the technical content, structural features, achieved objectives and effects of the technical solution in detail, the following is a detailed description in conjunction with specific embodiments and accompanying drawings.

[0028] See also Figure 1-6The present embodiment discloses a structure that can control the order of core pulling of the fixed mold slider when the mold is opened and closed, including an upper mold 1, a lower mold 2 and an oil cylinder 109. The upper mold 1 includes an upper mold base 101, an upper fixed plate 102, an upper punch 1012, a guide slide seat 103, a slider 104, a slide core 105, a drive bar 106, a slide seat 107, a connecting block 1010, a fixed block 1011 and two pressure strips 108. The upper fixed plate 102 is fixedly arranged below the upper mold base 101 by a bolt device. The upper fixed plate 102 is provided with an installation cavity that penetrates the upper fixed plate 102 in the vertical direction. The upper punch 1012 is fixedly arranged in the installation cavity by a bolt device. The lower mold 2 includes a lower mold base 201, a lower fixed plate 202, a lower concave mold 203 and a limit rod 204. The lower fixed plate 202 is fixedly arranged on the upper surface of the lower mold base 201 by a bolt device. The lower fixing plate 202 is provided with a mounting groove, and the lower concave die 203 is fixedly arranged in the mounting groove by a bolt device, and the upper convex die 1012 matches the lower concave die 203. The guide slide seat 103 is fixedly arranged in the mounting cavity by a bolt device and is located above the upper convex die 1012. A slide rail extending in the vertical direction is provided on one side of the guide slide seat 103, and the slider 104 is movably connected to the guide slide seat 103 through the slide rail. The bottom of the slider 104 is provided with a sliding groove extending in the horizontal direction, and the sliding core 105 is inclined. A sliding core block matching the sliding groove is provided at one end of the sliding core 105. The sliding core 105 is movably connected to the slider 104 through the sliding core block and the sliding groove, and the other end of the sliding core 105 passes through the upper convex die 1012 and extends to the lower concave die 203. The sliding core 105 forms an angle β with the horizontal plane, and the angle β is an acute angle. In this embodiment, the angle β is 60°. The slider 104 cooperates with the guide slide seat 103, and the slider 104 has no direct connection with the upper mold seat 101, which reduces the wear of the slider 104 on the upper mold seat 101 during use and increases the overall service life of the mold. The sliding core 105 is in an oblique upward movement trajectory during the core pulling process. The sliding core 105 slides toward one end of the slider 104 while moving obliquely upward, ensuring that the sliding core 105 will not collide with other components of the mold during the entire core pulling process, reducing damage to the sliding core 105.

[0029] The upper fixing plate 102 is provided with a connecting channel extending in the horizontal direction, and the connecting channel is connected to the installation cavity. Bosses are provided on the opposite sides of the connecting channel, and the pressure strip 108 includes a connecting portion and a blocking portion. The connecting portion is fixedly connected to the boss by a bolt device, and the blocking portion protrudes from the plane where the boss is located. The slide 107 is arranged below the blocking portion of the two pressure strips 108. The pressure strip 108 allows the slide 107 to move only between the two pressure strips 108, ensuring that the force applied by the slide 107 to the driving strip 106 is in the horizontal direction, further ensuring the accuracy of the movement of the slide 107.

[0030] A driving bar 106 is provided between the slide seat 107 and the slider 104. The driving bar 106 is inclined upward. The other end of the driving bar 106 forms an angle α with the horizontal plane. The angle α is an acute angle. The bottom end of the driving bar 106 is fixedly connected to the slide seat 107 by a bolt device. The slider 104 is provided with a sliding channel matching the driving bar 106. The guide slide seat 103 is provided with a clearance cavity on the side close to the slider 104. The sliding channel is connected to the clearance cavity. The end of the driving bar 106 away from the slide seat 107 passes through the sliding channel and enters the clearance cavity. In this embodiment, the angle α is 45°. The driving bar 106 performs reciprocating linear motion in the horizontal direction under the drive of the oil cylinder 109. Since the driving bar 106 has an angle with the horizontal plane and the driving bar 106 is arranged in the sliding channel, in the process of the driving bar 106 moving away from and close to the slider 104, the driving bar 106 applies upward and downward forces to the slider 104, so that the slider 104 can perform reciprocating linear motion in the vertical direction.

[0031] The end of the slide 107 away from the driving bar 106 is provided with a connection groove, and the connection block 1010 is detachably arranged in the connection groove. The oil cylinder 109 includes an oil cylinder body 1091 and an output shaft 1092, one end of the output shaft 1092 is fixedly connected to the connection block 1010, and the other end of the output shaft 1092 is fixedly connected to the oil cylinder body 1091. The fixed block 1011 is fixedly arranged on the side of the upper fixed plate 102 connected to the connecting channel by a bolt device, the oil cylinder body 1091 is fixedly connected to the fixed block 1011 by a bolt device, and the output shaft 1092 passes through the fixed block 1011. The slide 107 is arranged between the oil cylinder 109 and the slider 104, and the oil cylinder 109 drives the slider 104 to move through the slide 107. Compared with the oil cylinder 109 being directly connected to the slider 104, the connection area between the slide 107 and the slider 104 is larger, which can better protect the slider 104 from damage and increase the service life of the slider 104. The connecting channel allows the slide 107 to have space to slide in the horizontal direction, which can ensure the integrity of the core pulling process. The connecting block 1010 and the connecting groove can be quickly installed and disassembled, and quickly put into use. The slide 107 is connected to the oil cylinder 109 through the connecting block 1010. During the process of opening and closing the mold, the output shaft 1092 of the oil cylinder 109 will apply a force to the connecting block 1010, causing the wear of the connecting block 1010 and reducing the wear of the slide 107. In subsequent use, it only takes a period of time to replace the connecting block 1010 to ensure the normal use of the mold. The fixed block 1011 allows the oil cylinder 109 to be fixedly set on the side of the upper fixed plate 102, ensuring that the output shaft 1092 of the oil cylinder 109 can apply a force in the horizontal direction to the slide 107 when the oil cylinder 109 is in operation, ensuring the accuracy of the core pulling process. At the same time, during the mold pressure holding process, the reaction force applied by the mold to the oil cylinder 109 is shared by the oil cylinder 109 and the fixed block 1011, reducing the damage to the oil cylinder 109.

[0032] The limit rod 204 is vertically arranged on the upper fixed plate 102, and the limit rod 204 is fixedly connected to the upper fixed plate 102 by a bolt device. A fixing groove is provided in the middle of the slide seat 107. The upper fixed plate 102 is provided with a through hole extending in the vertical direction. The two ends of the through hole are respectively connected with the connecting channel and the bottom surface of the upper fixed plate 102. The position of the through hole corresponds to the fixing groove. The limit rod 204 is provided with a block protruding from the top in the horizontal direction. The limit rod 204 passes through the through hole and cooperates with the slide seat 107 through the block and the fixing groove. When the mold is closed, the upper fixing plate 102 and the lower fixing plate 202 approach each other, and the cylinder 109 pushes the slider 104 back into the core. At the same time, the mounting block of the limit rod 204 and the fixed groove of the slide seat 107 are mutually blocked. If the slider 104 returns to the core first and the limit rod 204 cannot return, the limit rod 204 can ensure that the upper fixing plate 102 and the lower fixing plate 202 cannot be completely closed, which effectively protects the core components of the mold and enables the mold to be produced completely stably.

[0033] During assembly, the guide slide seat 103 is first fixedly connected to the upper die seat 101 by a bolt device, and then the slider 104 is movably connected to the guide slide seat 103 by a slide rail, and then the slide core 105 is movably set at the bottom of the slider 104 by a slide core block. One end of the driving bar 106 is fixedly set on the slide seat 107 by a bolt device, and the other end of the driving bar 106 is extended into the sliding channel. The connecting parts of the two pressure strips 108 are fixedly set on the boss in the connecting channel by a bolt device, and the slide seat 107 is set between the two pressure strips 108. The oil cylinder body 1091 is fixedly set on the fixed block 1011 by a bolt device, and the output shaft 1092 passes through the fixed block 1011 and is fixedly connected to the connecting block 1010, and the connecting block 1010 is set in the connecting groove, and then the fixed block 1011 is fixedly set on the side of the upper fixed plate 102 by a bolt device. The upper fixing plate 102 is fixedly connected to the upper die base 101, the lower fixing plate 202 is fixedly connected to the lower die base 201, one end of the limiting rod 204 is fixedly connected to the lower fixing plate 202 by a bolt device, and the block at the other end of the limiting rod 204 is mutually engaged with the fixing groove of the slide seat 107 to complete the assembly.

[0034] In actual use, after the mold is closed, the sliding core 105 cooperates with the upper punch 1012 and the lower concave mold 203 to press and form the product 3. After the product 3 is formed, the mold enters the mold opening process. At this time, the oil cylinder 109 drives the slider 104 to move upward in the vertical direction. During the upward movement of the slider 104, the sliding core 105 moves obliquely upward. While the sliding core 105 moves obliquely upward, the sliding core 105 moves in the horizontal direction along the sliding groove at the bottom of the slider 104 until the core pulling action is completed. The core pulling process is carried out simultaneously with the mold opening and closing process, and the core pulling structure is arranged in the upper fixed plate 102, and the overall structure is simple. After the core pulling is completed, the next mold closing process begins. At this time, the upper fixed plate 102 and the lower fixed plate 202 are approaching each other. The oil cylinder 109 drives the slide 107 to approach the slider 104 and the slide core 105, and drives the slider 104 and the slide core 105 downward through the driving bar 106. At the same time, the limit rod 204 moves upward relative to the upper fixed plate 102 and approaches the fixed groove until the mold closing is completed, and the block of the limit rod 204 engages with the fixed groove. When the mold fails and the slide core 105 and the slider 104 move downward in advance, the slide 107 approaches the slider 104 and the slide core 105 in advance, causing the limit rod 204 to pass through the upper fixed plate 102 and unable to cooperate with the fixed groove. The length of the limit rod 204 can prevent the mold from being completely closed at this time, effectively protecting the core components of the mold, so that the mold can be produced completely and stably.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "include..." or "comprise..." do not exclude the existence of other elements in the process, method, article or terminal device including the elements. In addition, in this article, "greater than", "less than", "exceed" and the like are understood to exclude the number itself; "above", "below", "within" and the like are understood to include the number itself.

[0036] Although the above embodiments have been described, once those skilled in the art know the basic creative concepts, they can make additional changes and modifications to these embodiments. Therefore, the above description is only an embodiment of the present invention and does not limit the patent protection scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A structure that can control the order of core pulling of the fixed mold slider when the mold is opened and closed, characterized in that: It comprises an upper die, a lower die and an oil cylinder, the upper die comprises an upper fixed plate, an upper punch, a slider and a sliding core, the lower die comprises a lower concave die and a lower fixed plate, the upper fixed plate is provided with a mounting cavity extending in a vertical direction, the upper punch is fixedly arranged in the mounting cavity, the lower fixed plate is provided with a mounting groove, the lower concave die is fixed in the mounting groove, the lower concave die matches the upper punch, the slider is located above the upper punch, the oil cylinder drives the slider to reciprocate in a vertical direction, a sliding groove extending in a horizontal direction is provided at the bottom of the slider, the sliding core is tilted, one end of the sliding core is slidably matched with the sliding groove, and the other end of the sliding core passes through the upper punch and extends to the lower concave die; The upper fixing plate is also provided with a connecting channel extending in the horizontal direction, the connecting channel is connected with the installation cavity, a sliding seat is slidably arranged in the connecting channel, the sliding seat is movably connected with the slider, and the oil cylinder controls the slider to reciprocate in the vertical direction through the sliding seat; It also includes a limit rod, which is vertically fixed on the lower fixed plate. The limit rod is provided with a clamping block protruding from the top in the horizontal direction. The slide seat is provided with a fixing groove. The limit rod passes through the upper fixed plate, and the clamping block cooperates with the fixing groove.

2. The structure according to claim 1, characterized in that: It also includes a driving bar, which is inclined upward and has an angle α with the horizontal plane, and the angle α is an acute angle. The bottom end of the driving bar is fixedly connected to the slide seat, and the slide block is provided with a sliding channel matching the driving bar.

3. The structure according to claim 2, characterized in that: It also includes a connecting block, a connecting groove is provided at one end of the slide away from the driving bar, the cylinder includes a cylinder body and an output shaft, the connecting block is detachably arranged in the connecting groove, one end of the output shaft is fixedly connected to the connecting block, and the other end of the output shaft is connected to the cylinder body.

4. The structure according to claim 3, characterized in that: It also includes a fixing block, which is fixedly arranged on the side of the upper fixing plate connected to the connecting channel, the oil cylinder body is fixedly connected to the fixing block, and the output shaft passes through the fixing block.

5. The structure according to claim 1, characterized in that: It also includes two pressure strips, which include a connecting part and a blocking part. Bosses are provided on two opposite sides of the connecting channel. The connecting part is fixedly connected to the bosses. The blocking part protrudes from the plane where the bosses are located. The sliding seat is arranged below the blocking parts of the two pressure strips.

6. The structure according to claim 1, characterized in that: It also includes a guide slide seat, which is fixedly arranged in the installation cavity. The guide slide seat is provided with a slide rail extending in a vertical direction, and the sliding block is slidably arranged on the slide rail.

7. The structure according to claim 1, characterized in that: It also includes an upper die base and a lower die base, wherein the upper fixing plate is fixedly arranged on the lower surface of the upper die base, and the lower fixing plate is fixedly arranged on the upper surface of the lower die base.

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