Die ejector for a hot-impact press
By introducing a lead screw and slide structure into the ejector device of the hot forging press mold, combined with the control of the motor and cylinder, the problem of fixed ejection height was solved, and flexible adjustment of ejection stroke was achieved, thereby improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 无锡嘉亿锻造有限公司
- Filing Date
- 2025-05-22
- Publication Date
- 2026-06-19
AI Technical Summary
The existing hot forging press die ejection device cannot adapt to the ejection distance requirements of different workpieces, and the ejection height is fixed, which leads to limited production efficiency and product quality.
It adopts a lead screw and slide structure, and the position of the slide on the lead screw is adjusted by the motor. Combined with the cylinder push rod, the ejection stroke is adjusted. It is also equipped with functions such as sponge block to scrape dust, spring quick return, threaded pipe cooling and brush to scrape oxides.
It enables flexible adjustment of the ejection stroke, reduces problems such as poor sliding and sticking, and improves production efficiency and product quality.
Smart Images
Figure CN224372696U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of forging equipment technology, specifically a die ejector device for a hot die forging press. Background Technology
[0002] Hot forging presses are high-precision forging equipment commonly used in metal processing. They heat metal materials to a plastic state by applying high temperature and high pressure, and then use molds to shape and form them. Hot forging presses have the advantages of high forging precision, high material utilization, high productivity, easy automation, and simple operation.
[0003] The die ejector device of a hot forging press is an important component of the press. It is used to eject the forging from the die after forging is completed so that it can be used for the next round of forging. The die ejector device of a hot forging press plays an important role in the metal processing. By reasonably selecting and optimizing the type and structural parameters of the ejector device, production efficiency and product quality can be improved, and production costs can be reduced.
[0004] After the die is forged using a hot forging press, it needs to be ejected. Existing hot forging presses typically use cylinders to control the ejection structure, and the ejection height is usually fixed. The ejection stroke cannot be adjusted, making it impossible to adapt to the different ejection distances required when forging different workpieces.
[0005] Therefore, this utility model provides a die ejector device for a hot forging press. Utility Model Content
[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.
[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: A die ejection device for a hot forging press, comprising a worktable; multiple columns fixedly connected to the middle of the worktable; a top plate fixedly connected to the top of each column; a first cylinder fixedly connected to the top of the top plate; a first push rod fixedly connected to the output end of the first cylinder; the first push rod slidably connected to the first cylinder; a top seat fixedly connected to the end of the first push rod; an upper die fixedly connected to the middle of the top seat; a lower die fixedly connected to the top of the worktable; the lower die and the upper die are correspondingly arranged; multiple through holes are opened in the middle of the worktable; a first push plate slidably connected to the middle of the lower die; multiple sliding rods fixedly connected to the bottom of the first push plate; the sliding rods slide within the through holes; a second push plate is fixedly connected to the end of the sliding rods; the worktable... Multiple motors are fixedly connected to the bottom of the worktable; the motors are symmetrically arranged; a lead screw is fixedly connected to the output end of each motor; a limit plate is fixedly connected to the end of the lead screw; a slide block is slidably connected to the middle of the lead screw; the slide blocks are symmetrically arranged; a connecting plate is fixedly connected between the symmetrically arranged slide blocks; a second cylinder is fixedly connected to the bottom of the connecting plate; a second push rod is fixedly connected to the output end of the second cylinder; the second push rod is slidably connected to the connecting plate; the end of the second push rod is fixedly connected to the bottom of the second push plate; by setting the lead screw and slide blocks, when it is necessary to adjust the ejection height of the workpiece after forging, the motor can be started, the initial position of the connecting plate can be adjusted by adjusting the position of the slide block on the lead screw, and then the second cylinder can be started, and the second push rod can drive the first push plate upward to lift the workpiece, thus realizing the control of the upward stroke distance of the first push plate.
[0008] Preferably, a plurality of connecting rods are fixedly connected to the top of the slide block; a collar is fixedly connected to the end of each connecting rod; the collar slides on the lead screw; a sponge block is fixedly connected to the middle of the collar; the sponge block contacts the surface of the lead screw; by providing the sponge block, the surface of the lead screw can be scraped, reducing the adhesion of dust and impurities on the surface of the sponge block, and reducing the problem of the slide block not sliding smoothly due to dust and impurities adhering to the surface of the lead screw.
[0009] Preferably, multiple springs are fixedly connected to the bottom of the worktable; the springs are located outside the slide rod; the ends of the springs are fixedly connected to the top of the second push plate; by providing springs, after the workpiece is ejected, the springs rebound and drive the second push plate to move downward, which can quickly reset the first push plate.
[0010] Preferably, the lower mold has a threaded pipe in the middle; the end of the threaded pipe is connected to a water inlet; the other end of the threaded pipe is connected to a water outlet; by setting the threaded pipe, the lower mold is cooled, the adhesion between the workpiece and the lower mold is reduced, and demolding is easier.
[0011] Preferably, a baffle is fixedly connected to the top of the workbench; multiple electric telescopic rods are fixedly connected to the middle of the baffle; a bracket is fixedly connected to the end of the electric telescopic rod; a crossbar is rotatably connected to the middle of the bracket; multiple brush bristles are fixedly connected to the middle of the crossbar; by providing brush bristles, the surface of the first push plate can be scraped, which can remove the oxides generated on the surface of the first push plate due to forging, and reduce the problem of defects on the surface of subsequent forged workpieces caused by the accumulation of oxides on the surface of the first push plate.
[0012] Preferably, a plurality of magnetic blocks are fixedly connected to the middle of the workbench; the magnetic blocks are arranged in an array structure; by providing magnetic blocks, oxides swept onto the surface of the workbench by brush bristles can be adsorbed and fixed.
[0013] The beneficial effects of this utility model are as follows:
[0014] 1. The die ejection device of the hot forging press described in this utility model is equipped with a lead screw and a slide block. After forging, when it is necessary to adjust the ejection height of the workpiece, the motor can be started, and the initial position of the connecting plate can be adjusted by adjusting the position of the slide block on the lead screw. Then, the second cylinder is started, and the second push rod drives the first push plate to lift the workpiece upward, thereby realizing the control of the ejection stroke distance of the first push plate.
[0015] 2. The die ejector device of the hot forging press described in this utility model, by setting a sponge block, can scrape the surface of the lead screw, reduce the adhesion of dust and impurities on the surface of the sponge block, and reduce the problem of poor sliding of the slide caused by dust and impurities adhering to the surface of the lead screw. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings.
[0017] Figure 1 This is a perspective view of the present invention;
[0018] Figure 2 This is a schematic diagram of the lower mold and baffle cylinder structure in this utility model;
[0019] Figure 3 This is a schematic diagram of the electric telescopic rod and brush structure in this utility model;
[0020] Figure 4 This is a schematic diagram of the threaded pipe and through hole structure in this utility model;
[0021] Figure 5 This is a schematic diagram of the lead screw and spring structure in this utility model;
[0022] Figure 6 This is a schematic diagram of the first push plate and the second push plate in this utility model;
[0023] Figure 7This is a schematic diagram of the collar and sponge block structure in this utility model;
[0024] In the diagram: 1. Lead screw; 11. Workbench; 12. Column; 13. Top plate; 14. First cylinder; 15. First push rod; 16. Top seat; 17. Upper mold; 18. Lower mold; 19. Through hole; 101. Slide rod; 102. First push plate; 103. Second push plate; 104. Motor; 105. Slide seat; 106. Connecting plate; 107. Second cylinder; 108. Second push rod; 109. Limiting plate; 2. Sponge block; 21. Connecting rod; 22. Collar; 3. Spring; 4. Threaded pipe; 41. Inlet; 42. Outlet; 5. Brush bristles; 51. Baffle; 52. Electric telescopic rod; 53. Bracket; 54. Crossbar; 6. Magnetic block. Detailed Implementation
[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0026] like Figure 1 , Figure 2 , Figures 4 to 6As shown, a die ejection device for a hot forging press according to this utility model includes a worktable 11; multiple columns 12 are fixedly connected to the middle of the worktable 11; a top plate 13 is fixedly connected to the top of the columns 12; a first cylinder 14 is fixedly connected to the top of the top plate 13; a first push rod 15 is fixedly connected to the output end of the first cylinder 14; the first push rod 15 is slidably connected to the first cylinder 14; a top seat 16 is fixedly connected to the end of the first push rod 15; an upper die 17 is fixedly connected to the middle of the top seat 16; a lower die 18 is fixedly connected to the top of the worktable 11; the lower die 18 and the upper die 17 are correspondingly arranged; multiple through holes 19 are opened in the middle of the worktable 11; the lower die 18 slides in the middle. A first push plate 102 is connected; multiple slide rods 101 are fixedly connected to the bottom of the first push plate 102; the slide rods 101 slide within the through hole 19; a second push plate 103 is fixedly connected to the end of the slide rod 101; multiple motors 104 are fixedly connected to the bottom of the worktable 11; the motors 104 are symmetrically arranged; a lead screw 1 is fixedly connected to the output end of the motor 104; a limit plate 109 is fixedly connected to the end of the lead screw 1; a slide block 105 is slidably connected to the middle of the lead screw 1; the slide blocks 105 are symmetrically arranged; a connecting plate 106 is fixedly connected between the symmetrically arranged slide blocks 105; a second cylinder 107 is fixedly connected to the bottom of the connecting plate 106; a second push plate 103 is fixedly connected to the output end of the second cylinder 107. Rod 108; the second push rod 108 is slidably connected to the connecting plate 106; the end of the second push rod 108 is fixedly connected to the bottom of the second push plate 103; in use, the motor 104 is started, and the motor 104 drives the lead screw 1 to rotate. At this time, the slide 105 slides downward on the lead screw 1. The limiting plate 109 can limit the slide 105 to prevent the slide 105 from slipping off the lead screw 1. The connecting plate 106 slides downward synchronously. When the connecting plate 106 drives the second push plate 103 to slide downward, the slide rod 101 slides downward in the through hole 19. When the bottom of the first push plate 102 is in contact with the surface of the worktable 11, the motor 104 is turned off, the workpiece is placed in the lower mold 18, and the first cylinder 14 is started. When the first push rod 15 extends, it drives the upper mold 17 to move downward to forge the workpiece in the lower mold 18. After forging, the second cylinder 107 is started. At this time, the second push rod 108 extends, driving the second push plate 103 to move upward. The slide rod 101 slides upward in the through hole 19 at the same time. The first push plate 102 pushes the workpiece out of the lower mold 18. After forging, when it is necessary to adjust the workpiece ejection height, the motor 104 can be started. The initial position of the connecting plate 106 can be adjusted by adjusting the position of the slide block 105 on the lead screw 1. Then the second cylinder 107 is started, and the second push rod 108 drives the first push plate 102 to lift the workpiece upward, thus realizing the control of the upward stroke distance of the first push plate 102.With the lead screw 1 and slide 105 configured, when the workpiece ejection height needs to be adjusted after forging, the motor 104 can be started. By adjusting the position of the slide 105 on the lead screw 1, the initial position of the connecting plate 106 can be controlled. Then, the second cylinder 107 is started, and the second push rod 108 drives the first push plate 102 to lift the workpiece upward, thus realizing the control of the upward stroke distance of the first push plate 102.
[0027] like Figure 7 As shown, a plurality of connecting rods 21 are fixedly connected to the top of the slide block 105; a collar 22 is fixedly connected to the end of the connecting rod 21; the collar 22 slides on the lead screw 1; a sponge block 2 is fixedly connected to the middle of the collar 22; the sponge block 2 is in contact with the surface of the lead screw 1; in use, the slide block 105 slides on the lead screw 1, which drives the collar 22 to slide synchronously, and the sponge block 2 can scrape the surface of the lead screw 1, reducing the adhesion of dust and impurities on the surface of the sponge block 2; by setting the sponge block 2, the surface of the lead screw 1 can be scraped, reducing the adhesion of dust and impurities on the surface of the sponge block 2, and reducing the problem of the slide block 105 not sliding smoothly due to dust and impurities adhering to the surface of the lead screw 1.
[0028] like Figure 5 , Figure 6 As shown, multiple springs 3 are fixedly connected to the bottom of the worktable 11; the springs 3 are located outside the slide rod 101; the ends of the springs 3 are fixedly connected to the top of the second push plate 103; during use, the second push plate 103 moves upward and squeezes the springs 3, at which time the springs 3 contract. When the workpiece is ejected and reset, the second cylinder 107 is closed, at which time the springs 3 rebound and drive the second push plate 103 to move downward, so that the first push plate 102 can be reset more quickly; by setting the springs 3, after the workpiece is ejected, the springs 3 rebound and drive the second push plate 103 to move downward, so that the first push plate 102 can be reset quickly.
[0029] like Figure 1 , Figure 2 , Figure 4 As shown, a threaded pipe 4 is provided in the middle of the lower mold 18; an inlet 41 is connected to one end of the threaded pipe 4; and an outlet 42 is connected to the other end of the threaded pipe 4. During use, after forging is completed, coolant is injected into the inlet 41. The coolant flows upward along the threaded pipe 4 and then flows out from the outlet 42, thereby cooling the lower mold 18, reducing the adhesion between the workpiece and the lower mold 18, and making demolding easier. By providing the threaded pipe 4, the lower mold 18 is cooled, reducing the adhesion between the workpiece and the lower mold 18, and making demolding easier.
[0030] like Figure 2 , Figure 3As shown, a baffle 51 is fixedly connected to the top of the workbench 11; multiple electric telescopic rods 52 are fixedly connected to the middle of the baffle 51; a bracket 53 is fixedly connected to the end of the electric telescopic rod 52; a crossbar 54 is rotatably connected to the middle of the bracket 53; multiple bristles 5 are fixedly connected to the middle of the crossbar 54; in use, after the mold is ejected, the electric telescopic rods 52 are activated and extended. When the crossbar 54 contacts the surface of the first push plate 102, the crossbar 54 rolls on the surface of the first push plate 102, and the bristles 5 scrape the surface of the first push plate 102, which can remove the oxides generated by forging on the surface of the first push plate 102; by setting the bristles 5, the surface of the first push plate 102 can be scraped, which can remove the oxides generated by forging on the surface of the first push plate 102, reducing the problem of defects on the surface of subsequent forged workpieces caused by the accumulation of oxides on the surface of the first push plate 102.
[0031] like Figure 1 , Figure 2 As shown, a plurality of magnetic blocks 6 are fixedly attached to the middle of the workbench 11; the magnetic blocks 6 are arranged in an array structure; by setting the magnetic blocks 6, the oxides swept by the brush bristles 5 onto the surface of the workbench 11 can be adsorbed and fixed.
[0032] Working principle: During use, the motor 104 is started, which drives the lead screw 1 to rotate. At this time, the slide 105 slides downward on the lead screw 1. The limiting plate 109 can limit the slide 105 to prevent it from slipping off the lead screw 1. The connecting plate 106 slides downward simultaneously. When the connecting plate 106 drives the second push plate 103 to slide downward, the slide rod 101 slides downward in the through hole 19. When the bottom of the first push plate 102 is in contact with the surface of the worktable 11, the motor 104 is turned off, the workpiece is placed in the lower mold 18, and the first cylinder 14 is started. At this time, the first push rod 15 extends, driving the upper mold 17 to move downward to forge the workpiece in the lower mold 18. After forging is completed, the second cylinder 107 is started. At this time, the second push rod 108 extends, driving the second push plate 103 to move upward. The slide rod 101 slides upward in the through hole 19 simultaneously, and the first push plate 102 pushes the workpiece out of the lower mold 18. After forging is completed, when it is necessary to adjust the workpiece ejection height, the motor 104 can be started. The initial position of the connecting plate 106 can be adjusted by adjusting the position of the slide block 105 on the lead screw 1, and then the second cylinder can be started. 107. The second push rod 108 drives the first push plate 102 upward to lift the workpiece, realizing the control of the upward stroke distance of the first push plate 102; the slide block 105 slides on the lead screw 1, which drives the collar 22 to slide synchronously, and the sponge block 2 can scrape the surface of the lead screw 1 to reduce the adhesion of dust and impurities on the surface of the sponge block 2; the upward movement of the second push plate 103 will squeeze the spring 3. At this time, the spring 3 contracts. When the workpiece is ejected and reset, the second cylinder 107 is closed. At this time, the spring 3 rebounds and drives the second push plate 103 to move downward, so that the first push plate 102 resets more quickly. Position; after forging is completed, coolant is injected into the inlet 41. The coolant flows upward along the threaded pipe 4 and then flows out from the outlet 42, which cools the lower mold 18, reduces the adhesion between the workpiece and the lower mold 18, and makes it easier to demold. After the mold is ejected, the electric telescopic rod 52 is activated. The electric telescopic rod 52 extends. When the crossbar 54 contacts the surface of the first push plate 102, the crossbar 54 rolls on the surface of the first push plate 102. The brush 5 scrapes the surface of the first push plate 102, which can remove the oxides generated on the surface of the first push plate 102 due to forging.
[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A die ejector device for a hot forging press, characterized in that: Includes a workbench (11); multiple columns (12) are fixedly connected to the middle of the workbench (11); a top plate (13) is fixedly connected to the top of the columns (12); a first cylinder (14) is fixedly connected to the top of the top plate (13); a first push rod (15) is fixedly connected to the output end of the first cylinder (14); the first push rod (15) is slidably connected to the first cylinder (14); a top seat (16) is fixedly connected to the end of the first push rod (15); an upper mold (17) is fixedly connected to the middle of the top seat (16); a lower mold (18) is fixedly connected to the top of the workbench (11); the lower mold (18) and the upper mold (17) are correspondingly arranged; multiple through holes (19) are opened in the middle of the workbench (11); a first push plate (102) is slidably connected to the middle of the lower mold (18); multiple slide rods (101) are fixedly connected to the bottom of the first push plate (102); the slide rods (101) Slides within the through hole (19); a second push plate (103) is fixedly connected to the end of the slide rod (101); multiple motors (104) are fixedly connected to the bottom of the worktable (11); the motors (104) are symmetrically arranged; a lead screw (1) is fixedly connected to the output end of the motor (104); a limit plate (109) is fixedly connected to the end of the lead screw (1); a slide block (105) is slidably connected to the middle of the lead screw (1); the slide blocks (105) are symmetrically arranged; a connecting plate (106) is fixedly connected between the symmetrically arranged slide blocks (105); a second cylinder (107) is fixedly connected to the bottom of the connecting plate (106); a second push rod (108) is fixedly connected to the output end of the second cylinder (107); the second push rod (108) is slidably connected to the connecting plate (106); the end of the second push rod (108) is fixedly connected to the bottom of the second push plate (103).
2. The die ejector device for a hot forging press according to claim 1, characterized in that: The top of the slide block (105) is fixed with a plurality of connecting rods (21); the end of the connecting rod (21) is fixed with a collar (22); the collar (22) slides on the lead screw (1); a sponge block (2) is fixed in the middle of the collar (22); the sponge block (2) is in contact with the surface of the lead screw (1).
3. The die ejector device for a hot forging press according to claim 2, characterized in that: The bottom of the workbench (11) is fixedly connected to a plurality of springs (3); the springs (3) are located outside the slide bar (101); the ends of the springs (3) are fixedly connected to the top of the second push plate (103).
4. The die ejector device for a hot forging press according to claim 3, characterized in that: The lower mold (18) has a threaded pipe (4) in the middle; the end of the threaded pipe (4) is connected to a water inlet (41); the other end of the threaded pipe (4) is connected to a water outlet (42).
5. The die ejector device for a hot forging press according to claim 4, characterized in that: A baffle (51) is fixedly connected to the top of the workbench (11); a plurality of electric telescopic rods (52) are fixedly connected to the middle of the baffle (51); a bracket (53) is fixedly connected to the end of the electric telescopic rod (52); a crossbar (54) is rotatably connected to the middle of the bracket (53); a plurality of bristles (5) are fixedly connected to the middle of the crossbar (54).
6. The die ejector device for a hot forging press according to claim 5, characterized in that: Multiple magnetic blocks (6) are fixed in the middle of the workbench (11); the magnetic blocks (6) are arranged in an array.