A forging and pressing device for valve stem machining

Abstract

The utility model discloses a kind of forging and pressing devices for valve stem processing, it is related to valve stem processing technical field, it includes the rack welded to the outer wall of support table top, the rack is connected with sliding seat by die sliding mechanism, and valve stem forming die is installed on sliding seat, the upper portion of the rack is equipped with forging and pressing mechanism, and forging and pressing mechanism includes hydraulic oil cylinder fixedly installed in the outer wall of rack top and forging and pressing plate fixedly connected in the telescopic end of hydraulic oil cylinder, the die sliding mechanism includes the chute opened in the side of support table, the transverse screw rod rotationally installed in chute, servo motor and L type slide plate screw-connected on transverse screw rod.The utility model is through the cooperation of four threaded pegs, four compatible pinholes and four butterfly lock nuts, convenient for disassembling and replacing valve stem forming die, so as to be convenient for flexibly replacing different model valve stem forming die according to the processing requirement of different valve stem, improve the adaptability and practicality of device.

Description

Technical Field

[0001] This utility model relates to the field of valve stem processing technology, and in particular to a forging device for valve stem processing. Background Technology

[0002] The valve stem is a crucial component of a valve, used for transmission. It connects to the actuator or handle at the top and directly drives the valve core to move or rotate, thereby achieving the valve's opening, closing, or regulating function. During valve stem manufacturing, the base material is placed into a forming mold, and through continuous forging operations, the base material is pressed into the desired valve stem shape.

[0003] However, in actual operation, the existing forging equipment for valve stem processing makes it difficult to disassemble and assemble the valve stem forming mold, which makes it difficult to flexibly change different models of valve stem forming mold according to the processing requirements of different valve stems. This reduces the adaptability and practicality of the equipment. Furthermore, after forging, the valve stem forming mold cannot slide out of the forging processing area for unloading and demolding, which leads to inconvenience for workers. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a forging device for valve stem processing.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A forging device for valve stem processing includes a frame welded to the outer wall of the top of a support platform, a sliding seat connected to the frame via a mold sliding mechanism, and a valve stem forming mold mounted on the sliding seat;

[0007] The upper part of the frame is provided with a forging mechanism, and the forging mechanism includes a hydraulic cylinder fixedly installed on the outer wall of the top of the frame and a forging plate fixedly connected to the telescopic end of the hydraulic cylinder.

[0008] The mold sliding mechanism includes a slide groove on one side of the support platform, a transverse lead screw rotatably installed in the slide groove, a servo motor fixedly connected to the outer wall of one side of the support platform via a motor support, and an L-shaped slide plate threaded onto the transverse lead screw.

[0009] Preferably, four telescopic guide rods arranged in a rectangular array are fixedly installed on the top outer wall of the frame. The telescopic ends of the four telescopic guide rods and the telescopic ends of the hydraulic cylinders all penetrate the top of the frame, and the telescopic ends of the four telescopic guide rods are all fixed to the top outer wall of the forging plate.

[0010] The above structure, with the telescopic guiding effect of the four telescopic guide rods, ensures the stability of the pressing action of the forging plate, thereby ensuring the uniformity of the pressure applied by the forging plate to the substrate, which is beneficial to improving the forming quality of the valve stem.

[0011] Preferably, the top outer wall of the L-shaped slide plate is fixedly connected to the bottom outer wall of the sliding seat, and the outer wall of the L-shaped slide plate is slidably connected to the inner wall of the slide groove. Both outer walls of the support platform are fixedly connected to linear guide rails, and the sliding seat is slidably connected between the two linear guide rails.

[0012] With the above structure, it can be ensured that after the horizontal lead screw rotates, the L-shaped slide connected to it by the thread will move in a straight line, and the L-shaped slide will drive the sliding seat to move in a stable straight line.

[0013] Preferably, the output shaft of the servo motor is coaxially and fixedly connected to one end of the transverse lead screw via a coupling.

[0014] The above structure ensures that the output shaft of the servo motor controls the horizontal lead screw to rotate stably.

[0015] Preferably, threaded pins are welded to the outer walls of the four corners of the bottom of the valve stem forming mold, and four matching pin holes are opened on the top of the sliding seat, with the four threaded pins respectively inserted into the four pin holes.

[0016] With the above structure, the initial positioning of the valve stem forming mold can be achieved by inserting four threaded pins into the corresponding four pin holes.

[0017] Preferably, the bottom ends of the four threaded pins are all threaded with wing-shaped locking nuts, and the four wing-shaped locking nuts are all fastened to the lower top sidewall of the sliding seat.

[0018] With the above structure, after the valve stem forming mold is initially positioned, the valve stem forming mold can be stably fixed by tightening the four butterfly locking nuts.

[0019] The beneficial effects of this utility model are as follows:

[0020] 1. In the forging process, the telescopic guiding effect of the four telescopic guide rods can ensure the stability of the pressing action of the forging plate, thereby ensuring the uniformity of the pressure applied by the forging plate to the substrate, which is beneficial to improving the forming quality of the valve stem.

[0021] 2. This utility model facilitates the disassembly and replacement of the valve stem forming mold through the combined use of four threaded pins, four matching pin holes, and four butterfly locking nuts. This allows for the flexible replacement of different models of valve stem forming molds according to the processing requirements of different valve stems, thereby improving the adaptability and practicality of the device.

[0022] 3. This utility model is equipped with a mold sliding mechanism, which facilitates the automatic sliding of the valve stem forming mold out of the forging processing area after forging is completed, thereby making it easier for workers to use tools to unload and demold, and improving the convenience of worker operation. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the entire utility model;

[0024] Figure 2 This is a side view of the overall structure of this utility model;

[0025] Figure 3 This is a three-dimensional structural diagram of the valve stem forming mold of this utility model that has slid out.

[0026] Figure 4 This is a three-dimensional enlarged structural diagram of the valve stem forming mold and sliding seat of this utility model in the disassembled state.

[0027] In the diagram: 1. Support platform; 2. Frame; 3. Sliding seat; 4. Valve stem forming mold; 5. Hydraulic cylinder; 6. Forging plate; 7. Telescopic guide rod; 8. Slide groove; 9. Horizontal lead screw; 10. Servo motor; 11. L-shaped slide plate; 12. Linear guide rail; 13. Pin hole; 14. Threaded pin; 15. Butterfly lock nut. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Example 1, referring to Figure 1-4 A forging device for valve stem processing includes a frame 2 welded to the top outer wall of a support platform 1, a sliding seat 3 connected to the frame 2 via a mold sliding mechanism, and a valve stem forming mold 4 installed on the sliding seat 3.

[0030] Specifically, the upper part of the frame 2 is provided with a forging mechanism, which includes a hydraulic cylinder 5 fixedly installed on the top outer wall of the frame 2 and a forging plate 6 fixedly connected to the telescopic end of the hydraulic cylinder 5.

[0031] Furthermore, four telescopic guide rods 7 arranged in a rectangular array are fixedly installed on the top outer wall of the frame 2. The telescopic ends of the four telescopic guide rods 7 and the telescopic ends of the hydraulic cylinder 5 all penetrate the top of the frame 2. The telescopic ends of the four telescopic guide rods 7 are all fixed on the top outer wall of the forging plate 6. In this way, the telescopic guiding effect of the four telescopic guide rods 7 can ensure the stability of the pressing action of the forging plate 6, thereby ensuring the uniformity of the pressure applied by the forging plate 6 to the substrate, which is beneficial to improving the forming quality of the valve stem in the future.

[0032] Furthermore, threaded pins 14 are welded to the outer walls of the four corners of the bottom of the valve stem forming mold 4, and four matching pin holes 13 are opened on the top of the sliding seat 3. The four threaded pins 14 are respectively inserted into the four pin holes 13. In this way, the initial positioning of the valve stem forming mold 4 can be achieved by inserting the four threaded pins 14 into the corresponding four pin holes 13.

[0033] Furthermore, the bottom ends of the four threaded pins 14 are all threaded with butterfly locking nuts 15, and the four butterfly locking nuts 15 form a tight fit with the top lower side wall of the sliding seat 3. In this way, after the valve stem forming mold 4 is initially positioned, the valve stem forming mold 4 can be stably fixed by tightening the four butterfly locking nuts 15.

[0034] The working principle of this embodiment is as follows: First, the substrate to be forged is placed in the valve stem forming mold 4. Then, under the guidance of the four telescopic guide rods 7, the forging plate 6 is continuously and stably moved downward by the hydraulic cylinder 5 to forge the substrate multiple times, so that the substrate is forged and formed in the valve stem forming mold 4. Second, when the valve stem forming mold 4 needs to be replaced, it can be removed and replaced simply by unscrewing the four butterfly locking nuts 15. This makes it easy to flexibly replace different models of valve stem forming mold 4 according to the processing requirements of different valve stems, thus improving the adaptability and practicality of the device.

[0035] Example 2, refer to Figure 1-3 This embodiment is an optimization based on embodiment 1. Specifically, the mold sliding mechanism includes a slide groove 8 opened on one side of the support platform 1, a transverse lead screw 9 rotatably installed in the slide groove 8, a servo motor 10 fixedly connected to the outer wall of one side of the support platform 1 through a motor support, and an L-shaped slide plate 11 threadedly connected to the transverse lead screw 9.

[0036] Furthermore, the top outer wall of the L-shaped slide plate 11 is fixedly connected to the bottom outer wall of the sliding seat 3, the outer wall of the L-shaped slide plate 11 is slidably connected to the inner wall of the slide groove 8, and linear guide rails 12 are fixedly connected to both outer walls of the support platform 1. The sliding seat 3 is slidably connected between the two linear guide rails 12. This ensures that after the transverse screw 9 rotates, the L-shaped slide plate 11, which is threaded to it, will make linear motion, and the L-shaped slide plate 11 will drive the sliding seat 3 to make stable linear motion.

[0037] Furthermore, the output shaft of the servo motor 10 is coaxially and fixedly connected to one end of the transverse lead screw 9 via a coupling, which ensures that the output shaft of the servo motor 10 controls the transverse lead screw 9 to rotate stably.

[0038] The working principle of this embodiment is as follows: First, after forging, the servo motor 10 controls the transverse lead screw 9 to rotate in the forward direction. At this time, under the limit of the slide groove 8, the L-shaped slide plate 11 threadedly connected to the transverse lead screw 9 will drive the sliding seat 3 to slide backward, thereby facilitating the automatic sliding of the valve stem forming mold 4 out of the forging processing area, which makes it easier for workers to use tools to unload and demold. Second, after unloading and demolding are completed, the servo motor 10 controls the transverse lead screw 9 to rotate in the reverse direction. At this time, under the limit of the slide groove 8, the L-shaped slide plate 11 threadedly connected to the transverse lead screw 9 will drive the sliding seat 3 to slide forward to return to its original position.

[0039] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A forging device for valve stem processing, comprising a frame (2) welded to the outer wall of the top of a support platform (1), characterized in that, The frame (2) is connected to a sliding seat (3) via a mold sliding mechanism, and a valve stem forming mold (4) is installed on the sliding seat (3); The upper part of the frame (2) is provided with a forging mechanism, and the forging mechanism includes a hydraulic cylinder (5) fixedly installed on the top outer wall of the frame (2) and a forging plate (6) fixedly connected to the telescopic end of the hydraulic cylinder (5); The mold sliding mechanism includes a slide groove (8) opened on one side of the support platform (1), a transverse lead screw (9) rotatably installed in the slide groove (8), a servo motor (10) fixedly connected to the outer wall of one side of the support platform (1) through a motor support, and an L-shaped slide plate (11) threadedly connected to the transverse lead screw (9).

2. The forging device for valve stem processing according to claim 1, characterized in that, Four telescopic guide rods (7) arranged in a rectangular array are fixedly installed on the top outer wall of the frame (2). The telescopic ends of the four telescopic guide rods (7) and the telescopic ends of the hydraulic cylinder (5) all penetrate the top of the frame (2), and the telescopic ends of the four telescopic guide rods (7) are all fixed on the top outer wall of the forging plate (6).

3. The forging device for valve stem processing according to claim 1, characterized in that, The top outer wall of the L-shaped slide plate (11) is fixedly connected to the bottom outer wall of the sliding seat (3), and the outer wall of the L-shaped slide plate (11) is slidably connected to the inner wall of the slide groove (8). The outer walls on both sides of the support platform (1) are fixedly connected to linear guide rails (12), and the sliding seat (3) is slidably connected between the two linear guide rails (12).

4. The forging device for valve stem processing according to claim 1, characterized in that, The output shaft of the servo motor (10) is coaxially and fixedly connected to one end of the transverse lead screw (9) via a coupling.

5. The forging device for valve stem processing according to claim 1, characterized in that, The bottom four corners of the valve stem forming mold (4) are all welded with threaded pins (14), and the top of the sliding seat (3) is provided with four matching pin holes (13), and the four threaded pins (14) are respectively inserted into the four pin holes (13).

6. A forging device for valve stem processing according to claim 5, characterized in that, The bottom ends of the four threaded pins (14) are all threaded with butterfly locking nuts (15), and the four butterfly locking nuts (15) are all fastened to the top lower side wall of the sliding seat (3).

Images