A forging processing workbench

Abstract

The present application relates to the technical field of metal processing, in particular to a kind of forging processing workbench, comprising: installation on the table of the forge body and installation on the table of the loop shift platform assembly, two lower molds can be fixed on the loop shift platform assembly, and two lower molds can be alternately sent to the center of the forge body, to use single lower mold intermittently, after workpiece pressing is completed, the loop shift platform assembly removes it from the forge body and ejects it, the loop shift platform assembly cleans the blanking waste in lower mold immediately after ejecting workpiece, improve the situation that lower mold continuously receives forging heat, so that lower mold can effectively cool down, thereby preventing its temperature from being too high, while, forced cooling is carried out, improve the effect of controlling lower mold temperature, ensure that lower mold temperature is not too high, guarantee forging processing quality and protect die life;Eliminate waste accumulation, ensure the cleanliness of mold cavity, prevent the quality of workpiece from being affected.

Description

Technical Field

[0001] This invention relates to the field of metal processing technology, and more specifically, to a forging workbench. Background Technology

[0002] Forging is a forming process that uses a press and dies to apply external force to sheet metal, strip metal, pipe metal, and profile metal, causing plastic deformation or separation to obtain workpieces (forgings) of the desired shape and size. Forging and forging-forming both belong to plastic processing (or pressure processing), collectively known as forging and pressing. Forging is a production technology that uses the power of conventional or specialized forging equipment to directly subject sheet metal to deformation forces within a die, thereby obtaining product parts with specific shapes, sizes, and properties. Sheet metal, dies, and equipment are the three essential elements of forging. Forging is a cold deformation processing method for metals. Therefore, it is called cold forging or sheet metal forging, or simply forging. It is one of the main methods of metal plastic processing (or pressure processing) and also belongs to materials forming engineering technology.

[0003] The upper die is a crucial component of forging dies, typically moved up and down by the press slide. The lower die, mounted on the worktable, is usually stationary. During forging, the upper and lower dies must work in close coordination to ensure the precision and quality of the forged parts. After pressing, the workpiece must be removed and the next workpiece placed in the lower die before processing continues, consuming time and impacting efficiency. More importantly, workers directly perform these operations at the forging station, posing significant safety hazards.

[0004] In continuous forging, due to uneven material leakage during punching and the possibility that small pieces of scrap cut off may be drawn back into the lower die during punch retraction due to vacuum adsorption, oil film adhesion, or static electricity, scrap can easily accumulate inside the die cavity. Therefore, it is necessary to clean the inside of the lower die regularly to ensure the cleanliness of the die cavity and the smooth flow of scrap. At the same time, the forging process generates heat. Although both the upper and lower dies are heated, the upper die has a free stroke to dissipate heat after each forging, while the workpiece remains in the lower die and the continuous feeding also continuously transfers heat to the lower die. Therefore, the lower die continuously bears the heat of forging, and the thickness of the lower die and the accumulation of scrap also affect heat dissipation. Once the temperature of the lower die is too high, it will cause a series of chain problems such as serious deterioration of the product cross-sectional quality, increased friction, dimensional deviations, and reduced die fatigue life. Summary of the Invention

[0005] The purpose of this invention is to provide a forging workbench to solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention provides a forging workbench, comprising: a table surface mounted on a forging machine body and a transfer table assembly mounted on the table surface; The transfer table assembly can fix two lower dies and can alternately send the two lower dies to the center of the forging machine body so as to use a single lower die intermittently. After the workpiece is pressed, the transfer table assembly moves it out of the forging machine body and ejects it. After ejecting the workpiece, the transfer table assembly cleans up the blanking waste in the lower die.

[0007] Furthermore, the stage assembly includes: The two external suspension platforms are respectively installed on both sides of the platform and are flush with the platform, and the two external suspension platforms extend towards the front and rear of the forging machine body respectively; A cylinder, which is mounted on the external suspension platform; A movable table is arranged on the table surface. The back of the movable table is connected to the output end of the cylinder. A lower die is fixed on the movable table. Both cylinders can independently push the movable table to the center of the table surface so that the lower die corresponds to the center of the forging machine body. Mounting bracket, which is installed at the bottom of the outer suspension platform; A first hydraulic cylinder is mounted on the mounting bracket. The ejector rod is connected to the output end of the first hydraulic cylinder and extends upward through the outer suspension platform. After the workpiece is pressed, the cylinder pulls the moving platform back outside the forging machine body. At this time, the ejector rod corresponds to the lower die on the moving platform.

[0008] Furthermore, the moving platform is equipped with snap-fit ​​eaves on both sides, and the forging machine body is provided with several rectangular sleeves and a second hydraulic cylinder. An inner pull column is slidably installed in the several rectangular sleeves. The inner pull column extends upward through the platform. The top of the inner pull column is connected to a double-sided open sleeve. The output end of the second hydraulic cylinder is connected to the bottom of the inner pull column. As the mobile platform moves toward the center of the platform, the insert edges on both sides are gradually inserted into the double-sided opening sleeve.

[0009] Furthermore, the stage assembly also includes: A cavity, wherein the cavity is formed inside the push rod; A bellows, one end of which is inserted into the top rod to connect to the cavity, and the other end is connected to an external high-pressure air source; Discharge channels, a plurality of the discharge channels being formed around the periphery of the top rod and communicating with the cavity.

[0010] Furthermore, the plurality of the discharge channels are divided into multiple groups and distributed along the axial direction of the top rod, with each group arranged alternately; The discharge channel is an upward-curved arc.

[0011] Furthermore, a positioning sleeve is connected to the platform, and a bending arm is installed on the positioning sleeve. The bending arm is internally connected, and a first piston rod is installed at the lower end of the bending arm. A second piston rod is installed at the other end of the bending arm away from the first piston rod. Hydraulic oil is filled in the area between the first piston rod and the second piston rod inside the bending arm. A connecting plate is installed at the root of the output shaft of the first hydraulic cylinder, and the connecting plate is connected to the first piston rod. A rectangular cavity is installed at the top of the bending arm, and a sliding rod is slidably installed in the rectangular cavity. The sliding rod is connected to the second piston rod, and a support arm is horizontally connected to the sliding rod. A suction head is installed at the end of the support arm, and the suction head is connected to an external negative pressure device through a pipe. When the output shaft of the first hydraulic cylinder begins to extend outward, the connecting plate moves synchronously, pushing the first piston rod upward.

[0012] Furthermore, the suction head has an arc-shaped raised edge on its edge; The portion of the support arm near the suction head can bounce up and down.

[0013] Furthermore, an electrically controlled three-way valve is connected to the bellows, and the electrically controlled three-way valve is connected to an external high-pressure air source and a lubricating fluid supply source respectively through a connecting pipe.

[0014] Furthermore, the outer suspension platform and the platform surface are equipped with a pad, and the pad is provided with a plurality of smoothing rings; The pad is placed under the moving platform.

[0015] Furthermore, the back of the moving platform is hinged to the output shaft of the cylinder; A buffer seat is provided on the outer suspension platform, and the buffer seat corresponds to the back of the moving platform.

[0016] Compared with the prior art, the present invention has the following beneficial effects: This invention forms two movable workstations, each with a lower die installed. This allows for the alternating use of the two lower dies. After a workpiece is pressed, there is no need to wait for the pressed workpiece to be removed and the next workpiece to be pressed to be placed into the lower die before processing can continue. This significantly shortens the processing time occupied by workpiece handling, thereby greatly reducing the impact on processing efficiency. More importantly, it allows workers to handle workpiece handling outside the forging machine, reducing safety hazards. By alternating the use of the two lower dies, the continuous heat load on the lower die during forging is improved, allowing the lower die to have effective heat dissipation time, thus preventing its temperature from becoming too high. At the same time, after ejecting the workpiece, forced cooling can be performed inside the lower die, further improving the effect of controlling the lower die temperature. This effectively ensures that the lower die temperature does not become too high, guarantees forging processing quality, and protects the die life. In addition, after each workpiece is pressed, the blanking waste inside the lower die can be cleaned, preventing waste accumulation, ensuring the cleanliness of the die cavity, and preventing any impact on workpiece quality. Furthermore, the lower die is automatically cleaned after each pressing, reducing its workload. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 A perspective view of the present invention is shown; Figure 2 A second perspective view of the present invention is shown; Figure 3 A third perspective view of the present invention is shown; Figure 4 A fourth perspective view of the present invention is shown; Figure 5 A fifth perspective view of the present invention is shown; Figure 6 A sixth perspective view of the present invention is shown; Figure 7 A seventh perspective view of the present invention is shown; Figure 8 The present invention is shown. Figure 2 Enlarged view of point A; Figure 9 The present invention is shown. Figure 3 Enlarged view of point B; Figure 10 The present invention is shown. Figure 3 Enlarged view of point C; Figure 11 The present invention is shown. Figure 4 Enlarged view of point D; Figure 12 The present invention is shown. Figure 5 Enlarged view of point E; Figure 13The present invention is shown. Figure 6 Enlarged view at point F; Figure 14 The present invention is shown. Figure 7 Enlarged view of point G.

[0019] In the figure, the same reference numerals represent the same structural element, wherein: 1. Forging machine body; 2. Table; 3. Circulating table assembly; 31. External suspension table; 32. Cylinder; 33. Moving table; 34. Mounting bracket; 35. First hydraulic cylinder; 36. Push rod; 37. Bellows; 38. Discharge channel; 4. Snap-fit ​​eaves; 5. Rectangular sleeve; 6. Second hydraulic cylinder; 7. Inner pull column; 8. Double-sided opening sleeve; 9. Positioning sleeve; 10. Bending arm; 11. First piston rod; 12. Second piston rod; 13. Connecting plate; 14. Rectangular cavity box; 15. Slide rod; 16. Support arm; 17. Suction head; 18. Arc-shaped warp edge; 19. Electrically controlled three-way valve; 20. Pad plate; 21. Smooth ring; 22. Buffer seat. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0021] like Figures 1-14 As shown, a forging workbench is characterized by comprising: a table surface 2 mounted on a forging machine body 1 and a transfer table assembly 3 mounted on the table surface 2; The transfer table assembly 3 can fix two lower dies and can alternately send the two lower dies to the center of the forging machine body 1 so as to use a single lower die intermittently; After the workpiece is pressed, the transfer table assembly 3 moves it out of the forging machine body 1 and ejects it. After ejecting the workpiece, the transfer table assembly 3 immediately cleans the blanking waste from the lower die, forming two movable workstations. Lower dies are installed at each of the two workstations, allowing for alternating use of the two lower dies. After pressing, there is no need to wait for the pressed workpiece to be removed and the next workpiece to be pressed to be placed into the lower die before continuing processing, greatly shortening the processing time occupied by picking up and placing workpieces, thus significantly reducing the impact on processing efficiency. More importantly, it allows workers to pick up and place workpieces outside the forging machine body 1, reducing safety hazards. By using two alternating lower dies, the continuous heat load on the lower die during forging is improved, allowing for effective heat dissipation and preventing overheating. Furthermore, forced cooling is achieved within the lower die after workpiece ejection, further enhancing temperature control and ensuring the die temperature remains within acceptable limits. This guarantees forging quality and extends die life. Additionally, after each workpiece pressing, the lower die cleans away waste material, preventing waste accumulation and ensuring cleanliness within the die cavity. This prevents any impact on workpiece quality. The lower die also automatically cleans itself after each pressing, reducing its workload.

[0022] Optionally, the transfer stage assembly 3 includes: The two external suspension platforms 31 are respectively installed on both sides of the platform 2 and are flush with the platform 2. The two external suspension platforms 31 extend towards the front and rear of the forging machine body 1 respectively. Cylinder 32 is mounted on the outer suspension 31; The movable table 33 is arranged on the table 2. The back of the movable table 33 is connected to the output end of the cylinder 32. The lower die is fixed on the movable table 33. Both cylinders 32 can independently push the movable table 33 to the center of the table 2 so that the lower die corresponds to the center of the forging machine body 1. Mounting bracket 34 is installed at the bottom of the outer suspension platform 31; The first hydraulic cylinder 35 is mounted on the mounting bracket 34. The ejector rod 36 is connected to the output end of the first hydraulic cylinder 35, and extends upward through the outer suspension platform 31. After the workpiece is pressed, the cylinder 32 pulls the moving platform 33 back outside the forging machine body 1. At this time, the ejector rod 36 corresponds to the lower die on the moving platform 33. The lower dies are fixed on both moving platforms 33, and the workpiece is filled in the lower die. During processing, the cylinder 32 on one side is started first, pushing the moving platform 33 on this side to the center of the table 2, so that the lower die accurately reaches the forging station at the center of the forging machine body 1, and then the forging process begins. After pressing, the cylinder 32 on this side is started again, pulling the moving platform 33 back. Then the cylinder 32 on the other side is started, pushing the moving platform 33 on the other side to the center of the table 2 for forging. After the cylinder 32 pulls the moving platform 33 back to its original position, the first hydraulic cylinder 35 is started immediately, and the ejector rod 36 pushes upward to push the workpiece pressed in the lower die. After the workpiece is removed manually, the next workpiece to be pressed is placed into the lower die. Once the workpiece in the other lower die is pressed, the cylinder 32 on this side is activated again to push the lower die to the forging station at the center of the forging machine body 1, thus forming two movable working stations. By using two lower dies and alternating between them, after the workpiece is pressed, there is no need to wait for the pressed workpiece to be removed and the next workpiece to be pressed to be placed into the lower die before processing can continue. This greatly shortens the processing time occupied by picking up and placing workpieces, thereby greatly reducing the impact on processing efficiency. More importantly, it allows workers to pick up and place workpieces outside the forging machine body 1, reducing safety hazards. Furthermore, by alternating between the two lower dies, the continuous bearing of forging heat by the lower die is improved, allowing the lower die to have effective heat dissipation time, thereby preventing its temperature from becoming too high. In addition, it should be noted that another solution is to connect the two moving platforms 33 together to form a whole, and set a separate cylinder 32 on one side. Removing one cylinder 32 still results in two workstations, but the two moving platforms 33 connected together are switched and used alternately by one cylinder 32 pushing and pulling on the table 2 and the outer suspension platform 31. Only one drive source is needed, which simplifies the structure, reduces the number of drive components, and lowers the cost of use and maintenance.

[0023] Optionally, the moving table 33 is equipped with card-insertion eaves 4 on both sides, and the forging machine body 1 is provided with several rectangular sleeves 5 and a second hydraulic cylinder 6. The inner pull column 7 is slidably installed in the several rectangular sleeves 5. The inner pull column 7 extends upward through the table surface 2. The top of the inner pull column 7 is connected to a double-sided open sleeve 8. The output end of the second hydraulic cylinder 6 is connected to the bottom of the inner pull column 7. As the moving table 33 moves toward the center of the table surface 2, the locking edges 4 on both sides gradually insert into the double-sided opening sleeves 8. Each time the two moving tables 33 are pushed to the center of the table surface 2, the locking edges 4 on both sides simultaneously insert into the double-sided opening sleeves 8. After the moving table 33 is in place, the second hydraulic cylinder 6 is activated, pulling the inner pull column 7 down slightly. This firmly pulls down the two sides of the moving table 33 through the double-sided opening sleeves 8 and the locking edges 4, thus fixing the moving table 33 securely and locking it firmly to ensure stability during forging and prevent the moving table 33 from shaking or affecting the processing.

[0024] Optionally, the stage assembly 3 also includes: The cavity is located inside the push rod 36; Bellows 37, one end of bellows 37 is inserted into the top rod 36 to connect to the cavity, and the other end is connected to an external high-pressure air source; Discharge channels 38 are formed around the ejector rod 36 and connect to the cavity. After the ejector rod 36 pushes out the workpiece and the worker removes the workpiece, the first hydraulic cylinder 35 resets, the ejector rod 36 moves downward, and after resetting, the first hydraulic cylinder 35 immediately restarts. At the same time, the external high-pressure air source is turned on, and the air jet enters the cavity inside the ejector rod 36 from the bellows 37, and finally exits from the discharge channels 38. The ejector rod 36, moving upward at a uniform speed, blows air from bottom to top into the lower mold, thereby forcibly cooling and dissipating heat, further improving the effect of controlling the temperature of the lower mold. This system effectively ensures that the lower die temperature does not become too high, guaranteeing forging quality and protecting die life. It also blows out any blanking waste inside the lower die, achieving internal cleaning. The lower die is cleaned after each pressing to prevent waste accumulation and maintain cleanliness within the die cavity. This prevents waste residue from being pressed into the material surface during subsequent forgings, causing indentations or damage, and thus affecting workpiece quality. Furthermore, the cleaning of the lower die is integrated after each pressing, automatically cleaning the interior after each pressing, eliminating the need for periodic cleaning and reducing workload.

[0025] Optionally, several discharge channels 38 are divided into multiple groups and distributed along the axial direction of the top rod 36, with each group arranged alternately; The discharge channel 38 is an upward curved arc, and several discharge channels 38 are staggered to ensure that the powerful air jet can cover the inside of the lower mold, so as to prevent any missed areas from failing to clean up the waste. The upward curved discharge channel 38 discharges the air jet in an upward curved arc, ensuring that the waste is blown out of the lower mold and guaranteeing the cleaning effect.

[0026] Optionally, a positioning sleeve 9 is connected to the platform 2, and a bending arm 10 is installed on the positioning sleeve 9. The bending arm 10 is internally connected, and a first piston rod 11 is installed in the lower end of the bending arm 10. A second piston rod 12 is installed in the other end of the bending arm 10 away from the first piston rod 11. The area between the first piston rod 11 and the second piston rod 12 in the bending arm 10 is filled with hydraulic oil. A connecting plate 13 is installed at the root of the output shaft of the first hydraulic cylinder 35. The connecting plate 13 is connected to the first piston rod 11. A rectangular cavity box 14 is installed on the top of the bending arm 10. A slide rod 15 is slidably installed in the rectangular cavity box 14. The slide rod 15 is connected to the second piston rod 12. A support arm 16 is horizontally connected to the slide rod 15. A suction head 17 is installed at the end of the support arm 16. The suction head 17 is connected to an external negative pressure device through a pipe. When the output shaft of the first hydraulic cylinder 35 begins to extend, the connecting plate 13 moves synchronously, pushing the first piston rod 11 upward. After the first hydraulic cylinder 35 starts, as its output shaft extends, the connecting plate 13 is pushed upward synchronously, and the connecting plate 13 then pushes the first piston rod 11 upward. The first piston rod 11 pushes the hydraulic oil filled in the bending arm 10, causing the second piston rod 12 to extend. The second piston rod 12 drives the slide rod 15 to extend outward along the rectangular cavity box 14, pushing the support arm 16 forward, thereby causing the suction head 17 to gradually move above the lower mold. At this time, the external negative pressure equipment starts, and suction begins through the suction head 17. The negative pressure suction head 17 then sucks away the waste material blown out of the lower mold, preventing... To prevent waste material from falling back into the lower mold or being blown away and contaminating other parts, a thorough cleaning effect is ensured. At the same time, a stronger air jet is formed by blowing and sucking, further ensuring that all waste material is removed and improving the active cooling and heat dissipation effect on the lower mold, helping the lower mold to cool down faster and avoiding heat accumulation on the lower mold. When ejecting the material, the first hydraulic cylinder 35 pushes the ejector rod 36 upward by a small amount, just enough to eject the workpiece out of the lower mold, avoiding excessive movement of the first hydraulic cylinder 35, which would cause the suction head 17 to move above the lower mold and hinder the removal of the workpiece. When cleaning the lower mold, the movement range of the ejector rod 36 is increased to ensure that the interior of the lower mold is covered and the suction head 17 is moved above the lower mold, working together to achieve the same effect.

[0027] Optionally, the suction head 17 is fitted with an arc-shaped raised edge 18; The portion of the support arm 16 near the suction head 17 can bounce up and down. Under the elastic force of the support arm 16, the suction head 17 is kept at a height lower than the lower mold. When the support arm 16 extends forward, supported by the smooth curved edge 18 and the bounce effect of the support arm 16, the suction head 17 moves with the contour of the fixed lower mold, so that the suction head 17 contacts the lower mold and latches onto the lower mold, leaving no gap between the suction head 17 and the lower mold, thereby improving the waste suction effect, further ensuring that all waste is removed and preventing waste from being blown out. The curved edge 18 ensures that the suction head 17 moves smoothly along the contour of the lower mold without collision.

[0028] Optionally, an electrically controlled three-way valve 19 is connected to the bellows 37. The electrically controlled three-way valve 19 is connected to an external high-pressure air source and a lubricating fluid supply source through connecting pipes. When the ejector rod 36 passes through the lower mold to complete the cleaning of the lower mold and begins to move downward to reset, the interface of the electrically controlled three-way valve 19 connected to the lubricating fluid supply source is opened, and the lubricating fluid supply source is turned on. The lubricating fluid enters the flow channel of the electrically controlled three-way valve 19 and is then carried out by the air jet, thereby spraying the lubricating fluid from top to bottom into the lower mold. At the same time, it maintains the lubrication of the lower mold, ensuring good lubrication effect, protecting the mold and ensuring the forming accuracy of the workpiece. The air jet carries the lubricating fluid into the lower mold, and due to the blowing of the air jet, the lubricating fluid can be evenly distributed in the lower mold, and the lubricating fluid can only adhere to the inner wall of the lower mold in the form of an oil film. This ensures that the lubricating fluid does not accumulate in large quantities in the lower mold, ensuring good lubrication effect while preventing excessive viscosity from causing the waste material that should have flowed smoothly to be carried up by the rising upper mold.

[0029] Optionally, a pad 20 is installed on the outer suspension platform 31 and the platform 2, and the pad 20 is provided with a plurality of smoothing rings 21; The pad 20 is placed under the moving table 33, and the surface of the smoothing ring 21 is coated with lubricating oil or has a high surface smoothness to reduce the friction on the moving table 33 and ensure the smooth back-and-forth movement of the moving table 33.

[0030] Optionally, the back of the moving table 33 is hinged to the output shaft of the cylinder 32, so that there is a certain amount of redundant space between the output shaft of the cylinder 32 and the moving table 33, so as to minimize the impact of the pressure during forging on the output shaft of the cylinder 32. The outer suspension platform 31 is provided with a buffer seat 22, which corresponds to the back of the moving platform 33. When the moving platform 33 is pulled back, the moving platform 33 contacts the buffer seat 22 and gradually squeezes it to prevent the moving platform 33 from having a hard collision.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A forging workbench, characterized in that, include: A table (2) mounted on the forging machine body (1) and a transfer table assembly (3) mounted on the table (2); The transfer table assembly (3) can fix two lower dies and can alternately send the two lower dies to the center of the forging machine body (1) so as to use a single lower die intermittently; After the workpiece is pressed, the transfer table assembly (3) moves it out of the forging machine body (1) and ejects it. After the workpiece is ejected, the transfer table assembly (3) cleans up the blanking waste in the lower die.

2. The forging workbench as described in claim 1, characterized in that, The stage assembly (3) includes: The two external suspension platforms (31) are respectively installed on both sides of the platform (2) and are flush with the platform (2). The two external suspension platforms (31) extend towards the front and rear of the forging machine body (1) respectively. Cylinder (32), said cylinder (32) is mounted on said outer suspension (31); A movable stage (33) is arranged on the table (2). The back of the movable stage (33) is connected to the output end of the cylinder (32). A lower die is fixed on the movable stage (33). Both cylinders (32) can independently push the movable stage (33) to the center of the table (2) so that the lower die corresponds to the center of the forging machine body (1). Mounting bracket (34), which is mounted on the bottom of the outer suspension platform (31); The first hydraulic cylinder (35) is mounted on the mounting bracket (34); The push rod (36) is connected to the output end of the first hydraulic cylinder (35), and the push rod (36) extends upward through the outer suspension platform (31). After the workpiece is pressed, the cylinder (32) pulls the moving platform (33) back to the outside of the forging machine body (1). At this time, the push rod (36) corresponds to the lower die on the moving platform (33).

3. A forging workbench as described in claim 2, characterized in that, The moving platform (33) is equipped with card-insertion eaves (4) on both sides. The forging machine body (1) is provided with several rectangular sleeves (5) and a second hydraulic cylinder (6). An inner pull column (7) is slidably installed in the several rectangular sleeves (5). The inner pull column (7) extends upward through the platform (2). The top of the inner pull column (7) is connected to a double-sided open sleeve (8). The output end of the second hydraulic cylinder (6) is connected to the bottom of the inner pull column (7). As the mobile platform (33) moves toward the center of the platform (2), the card insert edges (4) on both sides are gradually inserted into the double-sided opening sleeve (8).

4. A forging workbench as described in claim 3, characterized in that, The stage assembly (3) further includes: Cavity, the cavity being formed inside the top rod (36); A bellows (37) is inserted into the top rod (36) at one end to connect to the cavity, and the other end is connected to an external high-pressure air source. Discharge channels (38), a plurality of the discharge channels (38) are formed on the periphery of the top rod (36) and communicate with the cavity.

5. A forging workbench as described in claim 4, characterized in that, The discharge channels (38) are divided into multiple groups and distributed along the axial direction of the top rod (36), with each group arranged alternately; The discharge channel (38) is an upward curved arc.

6. A forging workbench as described in claim 5, characterized in that, A positioning sleeve (9) is connected to the platform (2), and a bending arm (10) is installed on the positioning sleeve (9). The bending arm (10) is internally connected, and a first piston rod (11) is installed at the lower end of the bending arm (10). A second piston rod (12) is installed at the other end of the bending arm (10) away from the first piston rod (11). The area between the first piston rod (11) and the second piston rod (12) in the bending arm (10) is filled with hydraulic oil. The first hydraulic cylinder (35) A connecting plate (13) is mounted on the root of the output shaft. The connecting plate (13) is connected to the first piston rod (11). A rectangular cavity box (14) is mounted on the top of the bent arm (10). A slide rod (15) is slidably mounted inside the rectangular cavity box (14). The slide rod (15) is connected to the second piston rod (12). A support arm (16) is horizontally connected on the slide rod (15). A suction head (17) is mounted at the end of the support arm (16). The suction head (17) is connected to an external negative pressure device through a pipe. When the output shaft of the first hydraulic cylinder (35) begins to extend outward, the connecting plate (13) moves synchronously, pushing the first piston rod (11) upward.

7. A forging workbench as described in claim 6, characterized in that, The suction head (17) is equipped with an arc-shaped curved edge (18) on its edge. The portion of the support arm (16) near the suction head (17) can bounce up and down.

8. A forging workbench as described in claim 7, characterized in that, An electrically controlled three-way valve (19) is connected to the bellows (37), and the electrically controlled three-way valve (19) is connected to an external high-pressure air source and a lubricating fluid supply source through a connecting pipe.

9. A forging workbench as described in claim 8, characterized in that, The outer suspension platform (31) and the platform (2) are equipped with pads (20), and the pads (20) are provided with a plurality of smoothing rings (21). The pad (20) is placed under the moving platform (33).

10. A forging workbench as described in claim 9, characterized in that, The back of the moving platform (33) is hinged to the output shaft of the cylinder (32); The outer suspension platform (31) is provided with a buffer seat (22), which corresponds to the back of the moving platform (33).

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