Forging press sliding block adjusting device

Abstract

The utility model discloses a forging press slide block adjusting device, which belongs to the technical field of forging press slide block adjustment and comprises a main rod connected with a driving shaft of a forging press. The forging and pressing rod is hinged to a sliding block installed on the main rod in a sliding mode through fixing shafts arranged on the two sides of the upper end of the forging and pressing rod; wherein a lifting assembly is installed in the main rod, the lifting assembly is used for adjusting the height of the sliding block on the main rod, the height of the base plate is controlled through the two hydraulic cylinders arranged on the upper side and the lower side of the base plate, and compared with a lead screw in the prior art, the hydraulic cylinders can bear force borne in the forging and pressing process more stably; and the service life is obviously prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of forging press sliding block adjustment, specifically relates to a forging press sliding block adjusting device. BACKGROUND

[0002] In order to solve the existing forging press in pressing different size workpieces and mould, need to replace the mould of corresponding size, thereby leading to delay time and cause the waste of resources, cause production cost to improve, the Chinese patent file with the publication number CN214349354U discloses forging press sliding block lifting adjusting device, it is driven sliding block and fixed shaft to move to adjust the connecting position of connecting rod and drive shaft through screw, and then the position of drive shaft and upper die plate is adjusted. However, the screw is subjected to axial load for a long time during the forging process, which can cause thread wear and reduce service life. In order to solve the above problems, the utility model provides a forging press sliding block adjusting device. UTILITY MODEL CONTENTS

[0003] In view of the above technical deficiencies, the utility model aims to provide a forging press sliding block adjusting device, which controls the height of the base plate through two hydraulic cylinders arranged on the upper and lower sides of the base plate. Compared with the screw in the prior art, the hydraulic cylinder can more stably withstand the force during the forging process, significantly improving the service life.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a forging press sliding block adjusting device, which comprises:

[0005] A main rod is connected to the drive shaft of the forging press.

[0006] A forging rod is hingedly connected to the sliding block on the main rod through the fixed shaft on its upper end.

[0007] The main rod is internally provided with a lifting assembly for adjusting the height of the sliding block on the main rod.

[0008] Preferably, the upper end of the forging rod extends into the air slot provided on the main rod, and the two side walls of the air slot are provided with sliding grooves.

[0009] Preferably, the lifting assembly comprises:

[0010] A base plate is installed in the cavity provided in the main rod.

[0011] Two pull rods are hingedly connected to the two ends of the base plate.

[0012] Two connecting rods, upper ends of the two connecting rods are hingedly connected with lower ends of the pull rod respectively, and lower ends of the two connecting rods are fixedly connected with the corresponding sliding blocks through the main rod;

[0013] The base plate is driven by a lifting part installed inside the cavity.

[0014] Preferably, the lifting part comprises a hydraulic cylinder installed inside the cavity, and a piston rod of the hydraulic cylinder is fixedly connected with the base plate.

[0015] Preferably, the number of the hydraulic cylinders is two, and the two hydraulic cylinders are installed on the cavity top side wall and the cavity bottom side wall respectively, and the piston rods of the two hydraulic cylinders are fixedly connected with upper and lower sides of the base plate respectively.

[0016] The two hydraulic cylinders are connected through an oil circuit, and a metering pump is installed on the oil circuit.

[0017] Preferably, the metering pump is installed on the side wall of the cavity through a buffer part, and the material of the oil circuit is an elastic material.

[0018] Preferably, the buffer part comprises:

[0019] A floating plate, the metering pump is installed on the floating plate;

[0020] A fixed plate, the fixed plate is fixedly installed on the inner wall of the cavity, and a spring is installed between the floating plate and the fixed plate.

[0021] Preferably, the number of the springs is four, and the springs are located at four corners of the floating plate respectively.

[0022] Preferably, the driving shaft comprises two main shafts, an eccentric shaft is fixedly installed between the two main shafts, and the main rod and the eccentric shaft are hingedly connected.

[0023] Preferably, the forging pressing rod extends to the upper side of the forging pressing table through the shell of the forging pressing machine and is fixedly connected with a pressing plate.

[0024] The beneficial effects of the utility model lie in:

[0025] The utility model discloses a setting of two hydraulic cylinders, realizes the height of base plate through the telescopic control of hydraulic cylinder piston rod, thereby through the height of the upper end of forging pressing rod through the control of pull rod and connecting rod, compared with the traditional screw rod adjustment, effectively avoids the wear and tear problem of thread due to axial stress, and remarkably improves the service life.

[0026] The utility model discloses the setting of floating plate and spring, combines the characteristic that the material of oil circuit adopts elastic material, can absorb impact load, reduces the force that metering pump receives, and plays the protection effect to metering pump. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of a forging press slide adjustment device provided in an embodiment of the present utility model.

[0029] Figure 2 This is an exploded view of the main rod, forging rod, and eccentric shaft of this utility model.

[0030] Figure 3 This is a top view of the main rod of this utility model.

[0031] Figure 4 This utility model Figure 3 Sectional view at point AA.

[0032] Figure 5 This utility model Figure 3 Sectional view at BB.

[0033] Figure 6 This utility model Figure 5 Enlarged view of point A.

[0034] Figure 7 This is a schematic diagram showing the connection of the base plate, pull rod, and connecting rod of this utility model.

[0035] Explanation of reference numerals in the attached figures:

[0036] 1. Main rod, 2. Forging rod, 3. Slider, 4. Fixed shaft, 5. Hollow groove, 6. Slide groove, 7. Base plate, 8. Cavity, 9. Tie rod, 10. Connecting rod, 11. Hydraulic cylinder, 12. Oil circuit, 13. Metering pump, 14. Floating plate, 15. Fixed plate, 16. Spring, 17. Main shaft, 18. Eccentric shaft, 19. Pressure plate. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] The utility model provides a kind of forging press sliding block adjusting device, as shown in Figures 1 to 7

[0039] Example one:

[0040] A kind of forging press sliding block adjusting device, including main rod 1, main rod 1 is connected with the drive shaft of forging press each other, forging bar 2 is installed on main rod 1, the upper end both sides of forging bar 2 are equipped with fixed shaft 4, by fixed shaft 4 and the hinge of sliding block 3 on main rod 1, main rod 1 is equipped with empty slot 5, empty slot 5 both sides groove wall is equipped with sliding groove 6, sliding block 3 is slidably connected in sliding groove 6, the inside of main rod 1 is equipped with cavity 8, cavity 8 is equipped with lifting assembly inside.

[0041] Lifting assembly includes base plate 7, two hinged in the both ends of base plate 7's pull rod 9 and connecting rod 10, the upper end of connecting rod 10 is mutually hinged with the end of pull rod 9 away from base plate 7, the lower end of connecting rod 10 is passed through main rod 1 and is fixed with corresponding sliding block 3, base plate 7 is driven by lifting part installed in cavity 8 inside.

[0042] Lifting part adopts hydraulic cylinder 11, the piston rod of hydraulic cylinder 11 is fixedly connected with base plate 7, the lifting of base plate 7 is driven by hydraulic cylinder 11, to adjust the height of forging bar 2.

[0043] Example two:

[0044] On the basis of example one, the number of hydraulic cylinder 11 is two, is installed in the cavity top side wall and cavity bottom side wall of cavity 8, the upper and lower sides of base plate 7 are connected respectively by the piston rod of two hydraulic cylinders 11, two hydraulic cylinders 11 are communicated by oil path 12 made of elastic material (the material quality of oil path 12 can adopt PPS plastic), metering pump 13 is installed on oil path 12, metering pump 13 is installed on the inside wall of cavity 8 by buffer part, the flow of hydraulic oil between two hydraulic cylinders 11 can be adjusted by metering pump 13, when base plate 7 needs to rise, the hydraulic oil in the inside of hydraulic cylinder 11 above base plate 7 is pumped into the inside of hydraulic cylinder 11 below, so that the piston rod of two hydraulic cylinders 11 can move simultaneously, so that the height of base plate 7 can be controlled more stably.

[0045] Buffer part includes floating plate 14 and fixed plate 15, metering pump 13 is installed on floating plate 14, fixed plate 15 is fixedly installed on the inside wall of cavity 8, floating plate 14 is connected with fixed plate 15 by four springs 16, and spring 16 is distributed at the four corners of floating plate 14.

[0046] The setting of spring 16 and elastic oil path 12 can absorb the impact force that metering pump 13 receives in the process of forging, protects metering pump 13.

[0047] Example three:

[0048] ​On the basis of the embodiment one, the drive shaft is composed of two main shafts 17 and an eccentric shaft 18 connecting the two main shafts 17, the two main shafts 17 are rotatably installed in the inside of the forging press, the axis of the eccentric shaft 18 is parallel to the axis of the main shaft 17, the upper end of the main rod 1 is hinged with the eccentric shaft 18, the forging press rod 2 extends to the upper side of the forging table through the forging press shell and is fixedly connected with a pressing plate 19.

[0049] The rotation of the main shaft 17 can drive the main rod 1 to swing through the eccentric shaft 18, under the limiting action of the forging press shell, the forging press rod 2 can drive the pressing plate 19 to continuously reciprocate and lift, the height of the upper end of the forging press rod 2 can be changed by adjusting the height of the base plate 7, thereby the height of the pressing plate 19 is adjusted, and the processing requirement of different workpiece sizes is met.

[0050] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies thereof, the present application also intends to include these modifications and variations.

Claims

1. A ram adjustment device for a forging press, characterized by, Include: The main rod (1) is connected with the driving shaft of the forging press; The forging rod (2) is hinged with the sliding block (3) slidingly installed on the main rod (1) through the fixed shaft (4) provided on both sides of the upper end of the forging rod (2). Wherein, the inside of the main rod (1) is provided with a lifting assembly for adjusting the height of the sliding block (3) on the main rod (1).

2. A ram adjustment device for a forging press as defined in claim 1, wherein The upper end of the forging rod (2) extends into the hollow slot (5) provided on the main rod (1), and the two sides of the hollow slot (5) are provided with a sliding groove (6), and the inside of the two sliding grooves (6) is slidingly connected with a sliding block (3).

3. A ram adjuster for a forging press as defined in claim 2 wherein, The lifting assembly comprises: The base plate (7) is installed in the cavity (8) provided in the main rod (1); Two pull rods (9) are hingedly connected at both ends of the base plate (7); Two connecting rods (10) are hingedly connected at the lower end of the pull rod (9), and the lower end of the connecting rod (10) penetrates the main rod (1) and is fixedly connected with the corresponding sliding block (3). Wherein, the base plate (7) is driven by a lifting part installed in the cavity (8).

4. A ram adjuster for a forging press as defined in claim 3 wherein, The lifting part comprises: a hydraulic cylinder (11) installed in the inside of the cavity (8), and the piston rod of the hydraulic cylinder (11) is fixedly connected with the base plate (7).

5. A ram adjuster for a forging press as defined in claim 4 wherein, The number of hydraulic cylinders (11) is two, and two hydraulic cylinders (11) are installed on the top side wall and bottom side wall of the cavity (8), respectively, and the piston rods of the two hydraulic cylinders (11) are fixedly connected with the upper and lower sides of the base plate (7). Wherein, two hydraulic cylinders (11) are connected through an oil way (12), and a metering pump (13) is installed on the oil way (12).

6. A ram adjuster for a forging press as defined in claim 5 wherein, The metering pump (13) is installed on the side wall of the cavity (8) through a buffer part, and the material of the oil way (12) is elastic material.

7. A ram adjuster for a forging press as defined in claim 6 wherein, The buffer part comprises: The metering pump (13) is installed on the floating plate (14); The fixed plate (15) is fixedly installed on the inner wall of the cavity (8), and the spring (16) is installed between the floating plate (14) and the fixed plate (15).

8. A ram adjuster for a forging press as defined in claim 7 wherein, The number of springs (16) is four, and they are respectively located at the four corners of the floating plate (14).

9. A ram adjuster for a forging press as defined in claim 1 wherein, The driving shaft comprises: two main shafts (17), an eccentric shaft (18) is fixedly installed between the two main shafts (17), and the main rod (1) is hingedly connected with the eccentric shaft (18).

10. A ram adjuster for a forging press as defined in claim 1 wherein, The forging rod (2) extends through the shell of the forging press to the upper side of the forging table and is fixedly connected with a pressing plate (19).

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