CN213104284U

CN213104284U - Valve cover upsetting die structure

Info

Publication number: CN213104284U
Application number: CN202021118541.1U
Authority: CN
Inventors: 沈建华; 刘旭虎
Original assignee: Yancheng Zhongde Precision Forging Co ltd
Current assignee: Yancheng Zhongde Precision Forging Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-05-04
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a valve gap jumping-up mould structure, include: the hydraulic forging die comprises a frame, an upper die frame and a lower die frame are arranged on the frame, a die sleeve is arranged at the upper end of the lower die frame, a first positioning sleeve, a second positioning sleeve and a first female die are sequentially arranged in the die sleeve from bottom to top, a second female die is arranged at the upper end of the first female die, a die core is arranged in the first female die, a valve cover upsetting workpiece is arranged in the die core, a stripper is slidably arranged in the first positioning sleeve and the second positioning sleeve, the upper end of the stripper extends into the die core and abuts against the valve cover upsetting workpiece, the lower end of the stripper is connected with a lower piston rod, the lower end of the lower piston rod penetrates through the lower die frame and is slidably arranged in a lower hydraulic cylinder, the lower hydraulic cylinder is fixedly arranged on the frame, and an upper hydraulic cylinder is arranged at the upper end of the frame.

Description

Valve cover upsetting die structure

Technical Field

The utility model relates to a mould especially relates to a valve gap jumping-up mould structure.

Background

In the oil extraction function, the gate valve is very important as a part for realizing the on-off and flow control of a pipeline system, and the valve cover is an important part for connecting the valve body and the valve rod (valve rod hand wheel) in the gate valve. Traditional valve gap processing mode all adopts the machine tooling mode production, because processing wastes time and energy, low in production efficiency, the processing cost is high to be replaced by the extrusion mould gradually, but need earlier heat the upset through the upset mould before the extrusion of extrusion mould extrusion, the upset mould and the heating of current valve gap are separately gone on, the valve gap is in the die of sending to the upset mould through the fire clip centre gripping behind the high frequency heating, at the in-process of centre gripping pay-off, the valve gap material of high temperature has the risk of dropping, in case drop can take place very serious scald with human contact, there is certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a safe and reliable valve cover upsetting die structure.

In order to solve the technical problem, the utility model discloses a technical scheme is: valve gap upsetting die structure includes: the forging die comprises a frame, an upper die frame and a lower die frame are arranged on the frame, a die sleeve is arranged at the upper end of the lower die frame, a first positioning sleeve, a second positioning sleeve and a first female die are sequentially arranged in the die sleeve from bottom to top, a second female die is arranged at the upper end of the first female die, a die core is arranged in the first female die, a valve cover upsetting workpiece is arranged in the die core, a stripper is slidably arranged in the first positioning sleeve and the second positioning sleeve, the upper end of the stripper extends into the die core and abuts against the valve cover upsetting workpiece, the lower end of the stripper is connected with a lower piston rod, the lower end of the lower piston rod penetrates through the lower die frame and is slidably arranged in a lower hydraulic cylinder, the lower hydraulic cylinder is fixedly arranged on the frame, an upper hydraulic cylinder is arranged at the upper end of the frame, an upper piston rod of the upper hydraulic cylinder is connected with the upper die frame, a punch sleeve is arranged at the lower end of the upper die frame, a punch is arranged in the punch sleeve, the lower end of the punch is matched with the die cavities in the first concave die and the second concave die, a heating cylinder is arranged on the machine frame at one side of the upper die frame, heat insulation cotton is arranged at the outer side of the heating cylinder, a high-frequency induction coil is wound on the heat-preservation cotton and is connected with a power supply controller arranged on the frame, a control valve is arranged at the lower end of the heating cylinder, an inclined feeding cylinder communicated with the heating cylinder is rotatably arranged at the lower end of the heating cylinder through a bearing seat, an outlet of the inclined feeding cylinder extends to one side of the upper end of the die cavity of the first female die, a driven gear is arranged at the upper end of the inclined feeding barrel, a servo speed reducing motor is arranged on the frame at one side of the heating barrel, and a motor shaft of the servo speed reduction motor is provided with a driving gear which is matched with the driven gear.

In order to better solve the technical problem, the utility model discloses a further technical scheme is: and a bending flow guide part is arranged at the lower end of the middle part of the inclined feeding barrel.

The utility model has the advantages that: above-mentioned valve gap upsetting die structure, novel structure fuses valve gap heating and upsetting process, and the valve gap can be sent to the heating cylinder through the fire clip centre gripping under normal atmospheric temperature, can carry out the upsetting in the mould by the automatic sliding after the heating, has stopped the risk that high temperature valve gap material dropped in the centre gripping process, prevents to take place to scald with the human contact, safe and reliable.

Drawings

Fig. 1 is the schematic structural diagram of the upsetting die structure of the valve cover of the present invention.

In the figure: 1. the device comprises a frame, 2, an upper die frame, 3, a lower die frame, 4, a die sleeve, 5, a first positioning sleeve, 6, a second positioning sleeve, 7, a first female die, 8, a second female die, 9, a die core, 10, a valve cover upsetting workpiece, 11, an ejector, 12, a lower piston rod, 13, an ejector sleeve, 14, an ejector, 15, a heating cylinder, 16, heat insulation cotton, 17, a high-frequency induction coil, 18, a control valve, 19, a bearing seat, 20, an inclined feeding cylinder, 201, a bending flow guide part, 21, a driven gear, 22, a servo speed reduction motor, 23, a motor shaft, 24 and a driving gear.

Detailed Description

The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.

As shown in fig. 1, the structure of the upsetting die for the valve cover comprises: the forging die comprises a frame 1, wherein an upper die carrier 2 and a lower die carrier 3 are arranged on the frame 1, a die sleeve 4 is arranged at the upper end of the lower die carrier 3, a first positioning sleeve 5, a second positioning sleeve 6 and a first female die 7 are sequentially arranged in the die sleeve 4 from bottom to top, a second female die 8 is arranged at the upper end of the first female die 7, a die core 9 is arranged in the first female die 7, a valve cover upsetting workpiece 10 is arranged in the die core 9, a stripper 11 is slidably arranged in the first positioning sleeve 5 and the second positioning sleeve 6, the upper end of the stripper 11 extends into the die core 9 to abut against the valve cover upsetting workpiece 9, the lower end of the stripper 11 is connected with a lower piston rod 12, the lower end of the lower piston rod 12 penetrates through the lower die carrier 3 to be slidably arranged in a lower hydraulic cylinder, the lower hydraulic cylinder is fixedly arranged on the frame 1, and an upper hydraulic cylinder is arranged at the upper end of the frame 1, an upper piston rod of the upper hydraulic cylinder is connected with an upper die frame 2, a punch head sleeve 13 is arranged at the lower end of the upper die frame 2, a punch head 14 is arranged in the punch head sleeve 13, the lower end of the punch head 14 is matched with a die cavity in a first female die 7 and a second female die 8, a heating cylinder 15 is arranged on the frame 1 at one side of the upper die frame 2, heat-insulating cotton 16 is arranged at the outer side of the heating cylinder 15, a high-frequency induction coil 17 is wound on the heat-insulating cotton 16, the high-frequency induction coil 17 is connected with a power supply controller arranged on the frame 1, a control valve 18 is arranged at the lower end of the heating cylinder 15, an inclined feeding cylinder 20 communicated with the heating cylinder 15 is rotatably arranged at the lower end of the heating cylinder 15 through a bearing seat 19, an outlet of the inclined feeding cylinder 20 extends to one side of the upper end of the die cavity of the first female die 7, a driven gear 21, a servo speed reducing motor 22 is arranged on the frame 1 at one side of the heating cylinder 15, and a driving gear 24 matched with the driven gear 21 is arranged on a motor shaft 23 of the servo speed reducing motor 22.

As shown in fig. 1, in this example, a bent guide 201 is provided at a lower end of a middle portion of the inclined feed cylinder 20.

When the valve cover upsetting die structure is used, the control valve 18 is closed, the servo speed reducing motor 22 is started, the motor shaft 23 of the servo speed reducing motor 22 drives the driving gear 24 to rotate, the driving gear 24 drives the driven gear 21 meshed with the driving gear to rotate, the driven gear 21 drives the inclined feeding barrel 25 to rotate for 90 degrees on the heating barrel 15 through the bearing seat 19, the lower end outlet of the inclined feeding barrel 25 is opposite to one side of the upper end of the die cavity of the second female die 8, at the moment, the valve cover upsetting workpiece 10 is vertically fed into the heating barrel 15 through the clamping of the fire clip, the high-frequency induction coil 17 is controlled to be electrified through the power controller on the rack 1, the high-frequency induction coil 17 enables the heating barrel 15 to generate high-frequency induction current to heat the valve cover upsetting workpiece 10, the control valve 18 at the bottom of the heating barrel 15 is opened after the heating is finished, the valve cover upsetting workpiece 10 slides into the first, the servo speed reducing motor 22 rotates reversely, so that the inclined feeding barrel 25 is driven to rotate reversely on the heating barrel 15 through the bearing seat 19 for 90-degree reset, at the moment, a hydraulic rod connected with the upper die frame 2 at the upper end of the frame 1 is started, the upper die frame 2 is pushed to move downwards, the upper die frame 2 drives the punch 14 in the punch sleeve 13 to move downwards and extend into the second female die 8 to extrude and upset the valve cover upset workpiece 10, after the upset is completed, the upper die frame 2 resets, the hydraulic cylinder at the lower end of the frame 1 is started to push the lower piston rod 12 to move upwards, and the lower piston rod 12 drives the stripper 11 to move upwards to eject the upset valve cover upset workpiece 10 out of the female die.

Above-mentioned valve gap upsetting die structure, novel structure fuses valve gap heating and upsetting process, and the valve gap can be sent to the heating cylinder through the fire clip centre gripping under normal atmospheric temperature, can carry out the upsetting in the mould by the automatic sliding after the heating, has stopped the risk that high temperature valve gap material dropped in the centre gripping process, prevents to take place to scald with the human contact, safe and reliable.

Claims

1. Valve gap upsetting die structure, its characterized in that: the method comprises the following steps: the hydraulic forging machine comprises a frame (1), wherein an upper die frame (2) and a lower die frame (3) are arranged on the frame (1), a die sleeve (4) is arranged at the upper end of the lower die frame (3), a first positioning sleeve (5), a second positioning sleeve (6) and a first concave die (7) are sequentially arranged in the die sleeve (4) from bottom to top, a second concave die (8) is arranged at the upper end of the first concave die (7), a die core (9) is arranged in the first concave die (7), a valve cover upsetting workpiece (10) is arranged in the die core (9), a stripper (11) is arranged in the first positioning sleeve (5) and the second positioning sleeve (6) in a sliding manner, the upper end of the stripper (11) extends into the die core (9) and abuts against the valve cover upsetting workpiece (10), the lower end of the stripper (11) is connected with a lower piston rod (12), and the lower end of the lower piston rod (12) penetrates through the lower die frame (3) and is arranged in a lower hydraulic cylinder in a sliding manner, the lower hydraulic cylinder is fixedly arranged on a frame (1), the upper end of the frame (1) is provided with an upper hydraulic cylinder, an upper piston rod of the upper hydraulic cylinder is connected with an upper die frame (2), the lower end of the upper die frame (2) is provided with a punch sleeve (13), a punch (14) is arranged in the punch sleeve (13), the lower end of the punch (14) is matched with a die cavity in a first female die (7) and a second female die (8), the frame (1) on one side of the upper die frame (2) is provided with a heating cylinder (15), the outer side of the heating cylinder (15) is provided with heat-insulating cotton (16), the heat-insulating cotton (16) is wound with a high-frequency induction coil (17), the high-frequency induction coil (17) is connected with a power supply controller arranged on the frame (1), the lower end of the heating cylinder (15) is provided with a control valve (18), the lower extreme of heating cylinder (15) is rotated through bearing frame (19) and is provided with oblique feed cylinder (20) that communicate each other with heating cylinder (15), the export of oblique feed cylinder (20) extends die cavity upper end one side of first die (7) the upper end of oblique feed cylinder (20) is provided with driven gear (21) be provided with servo gear motor (22) on frame (1) of heating cylinder (15) one side be provided with driving gear (24) of mutually supporting with driven gear (21) on motor shaft (23) of servo gear motor (22).

2. The valve cover upsetting die structure as recited in claim 1, wherein: the lower end of the middle part of the inclined feeding barrel (20) is provided with a bending flow guide part (201).