CN112872146A

CN112872146A - Press is used in valve production

Info

Publication number: CN112872146A
Application number: CN202110036331.0A
Authority: CN
Inventors: 肖金坚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-06-01

Abstract

The invention discloses a press machine for valve production, which relates to the technical field of valve production and comprises a bottom cabinet and a blanking assembly, wherein a workbench is arranged on the upper surface of the bottom cabinet, a casting die is connected to the top of the workbench, transmission belts are arranged at two ends of the workbench, a partition plate is arranged on the surface of each transmission belt, a main body is arranged at the top of the bottom cabinet, a rotating motor is connected to the left side of the main body, the other end of the rotating motor is connected with a connecting column, a first hydraulic rod is arranged in the middle of the connecting column, a second hydraulic rod is connected to the bottom of the first hydraulic rod, a clamping assembly. According to the invention, the processes of conveying and recovering materials can be completed, the first hydraulic rod at the top of the guide pillar can rotate through connecting the rotating motor with the guide pillar, the second hydraulic rod and the clamping component can be rotatably accommodated at one side of the main body, and therefore, after the materials are loaded, the situation that the driving plate, the second hydraulic rod and the clamping component are clamped during pressing can be avoided, and the stability of the device is improved.

Description

Press is used in valve production

Technical Field

The invention relates to the technical field of valve production, in particular to a press machine for valve production.

Background

Valves are pipe fittings used to open and close pipes, control flow direction, regulate and control parameters (temperature, pressure and flow) of a transport medium, and are classified into shut-off valves, check valves, regulating valves, and the like according to their functions. The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and is formed by pressing some internal parts by a press machine in the production process of the valve.

The existing press for valve production generally needs manual loading and unloading, so that the production efficiency is slow, the safety of operators is threatened, and after the pressing process is finished each time, dust on the surface of a die-casting head needs to be manually brushed away, so that the dust is kicked up, the inside tidiness is affected, and the press for valve production is pushed out aiming at the conditions.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a press for valve production, which solves the problems that the prior press for valve production generally needs manual loading and unloading, not only causes slow production efficiency, but also threatens the safety of operators, and after each pressing procedure is finished, dust on the surface of a die-casting head needs to be manually brushed off, so that the dust is lifted, and the internal cleanliness is influenced.

In order to achieve the purpose, the invention is realized by the following technical scheme: a press machine for valve production comprises a bottom cabinet and a blanking assembly, wherein a workbench is mounted on the upper surface of the bottom cabinet, a casting block is connected to the top of the workbench, transmission belts are mounted at two ends of the workbench, a partition plate is arranged on the surfaces of the transmission belts, a main body is mounted at the top of the bottom cabinet, a rotating motor is connected to the left side of the main body, a connecting column is connected to the other end of the rotating motor, a first hydraulic rod is mounted at the middle of the connecting column, a second hydraulic rod is connected to the bottom of the first hydraulic rod, a clamping assembly is connected to the bottom of the second hydraulic rod, a guide pillar is connected to the inside of the main body, a sliding groove is formed in the surface of the guide pillar, a limiting slide block is connected to the inside of the sliding groove, a ball is connected to, and die-casting first both ends all are connected with the rapping bar, the rapping bar other end is connected with vibrating motor, the die-casting head outside is provided with the collection dirt frame, and just collects the dirt frame inner wall and has seted up the wind hole, the drive plate top is connected with the piston rod, and the piston rod top is connected with the pneumatic cylinder, unloading subassembly installation is on the drive plate right side.

Optionally, the transmission band is bilateral symmetry about the vertical central line of end cabinet and distributes, and the baffle is equidistance evenly distributed about the transmission band surface, is the parallel form between transmission band and the end cabinet moreover and distributes.

Optionally, a rotating structure is formed between the connecting column and the main body through a rotating motor, a vertical center line of the first hydraulic rod is overlapped with a vertical center line of the connecting column, the second hydraulic rod is fixedly connected with the first hydraulic rod, and the clamping assembly forms a lifting structure with the first hydraulic rod through the second hydraulic rod.

Optionally, the clamping assembly comprises a fixed plate, a clamping arm, a rotating shaft, anti-skidding teeth, a straight rod and an electric telescopic rod, the two ends of the fixed plate are connected with the clamping arm, the surface of the clamping arm is provided with the rotating shaft, the inner wall of the clamping arm is provided with the anti-skidding teeth, the middle of the fixed plate is connected with the straight rod, and the bottom of the straight rod is connected with the electric telescopic rod.

Optionally, the clamping arm forms a telescopic structure with the straight rod through the electric telescopic rod, and the clamping arm is bilaterally symmetrical inside with respect to the vertical center line of the straight rod.

Optionally, the sleeve forms a sliding structure with the guide pillar through the limiting slide block, the ball, the sliding groove, the limiting slide block is movably connected with the ball, and the size of the outer opening of the limiting slide block is identical to the size of the inner opening of the sliding groove.

Optionally, the rapping bar forms a transmission structure with the die-casting head through the vibrating motor, and the rapping bar is in staggered distribution about the vertical center line of the die-casting head, and the rapping bar is in a flexible structure.

Optionally, the blanking assembly comprises a servo motor, a rotating shaft rod, a connecting rod, a driving motor, a transmission belt, a tray and a buffering net, the bottom of the servo motor is connected with the rotating shaft rod, the bottom of the rotating shaft rod is connected with the connecting rod, the surface of the connecting rod is connected with the driving motor, one end of the driving motor is connected with the transmission belt, the other end of the transmission belt is connected with the tray, and the buffering net is connected inside the tray.

Optionally, the connecting rod passes through and constitutes revolution mechanic between pivot pole and the servo motor, and the connecting rod is vertical form distribution with the pivot pole, and the tray passes through and constitutes transmission structure between driving belt, driving motor and the connecting rod moreover, and driving motor turned angle is 180.

The invention provides a press machine for valve production, which has the following beneficial effects:

1. this press is used in valve production, through the setting of two segmentation conveyer belts, make its process of carrying and retrieving that can accomplish the material, and be connected with the spliced pole through rotating the motor, thereby make the first hydraulic stem at spliced pole top can rotate, thereby make second hydraulic stem and centre gripping subassembly can rotate accomodate with main part one side, thereby can be after the material loading, avoid the condition of blocking between drive plate and second hydraulic stem and the centre gripping subassembly during the suppression, thereby promoted the device's stability.

2. This press is used in valve production, through the inside straight-bar of centre gripping subassembly, mutually support between electric telescopic handle and the centre gripping arm sets up, make its pulling centre gripping arm remove along the outside inboard of pivot under electric telescopic handle's drive, thereby make the centre gripping arm to inside layer centre gripping form, be close to the raw materials downwards through second hydraulic stem drive centre gripping arm, the antiskid tooth that cooperation centre gripping arm bottom was seted up, thereby can the fixed raw materials of centre gripping, further cooperate first hydraulic stem to carry the raw materials to the die-casting block inside at workstation top, make it accomplish automatic feeding process, the material loading efficiency has been promoted, operation personnel's safety has been guaranteed.

3. This press is used in valve production, be connected through hydraulic stem and piston rod, make can promote the drive plate and slide from top to bottom along the guide pillar, cooperation drive plate sleeve all around and the setting of guide pillar, make its sleeve can hug closely the guide pillar and slide, gliding stability has been guaranteed, and the sleeve passes through inside limit slider and ball, the spout that cooperation guide pillar surface was seted up, make limit slider and ball can slide inside the spout, thereby can reduce the coefficient of friction between limit slider and the spout, stability when having guaranteed to slide, can also reduce the wearing and tearing between the two.

4. This press is used in valve production, through the rapping bar, mutually support between vibrating motor and the die-casting head sets up, make after processing is accomplished, strike the both ends that the die-casting head was strikeed to the rapping bar through vibrating motor drive, thereby can take out the raw materials after the die-casting of inside is accomplished, can also knock off its surperficial dust impurity, cooperation outside collection dirt frame can clear away its dust with the wind hole, thereby accomplish the absorption to the dust, can also reduce the temperature on die-casting head surface, thereby the life of die-casting head has been guaranteed.

5. This press is used in valve production, when knocking the finished product raw materials of die-casting head through vibrating motor drive rapping bar both ends and taking out inside, through the drive of the inside servo motor of unloading subassembly, make pivot pole and connecting rod rotate 180 in step, remove the tray to the die-casting head under, the finished product raw materials that drop are caught to the inside buffering net of cooperation tray, through driving motor, the mutually supporting setting between driving belt and the tray, overturn 180 with the tray, make inside finished product raw materials drop on the surface of conveyer belt, thereby accomplish automatic unloading process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the connecting column of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a clamping assembly according to the present invention;

FIG. 5 is a schematic view of the structure of the driving plate of the present invention;

fig. 6 is a schematic structural view of the blanking assembly of the present invention.

In the figure: 1. a bottom cabinet; 2. a work table; 3. die casting a block; 4. a conveyor belt; 5. a partition plate; 6. a main body; 7. rotating the motor; 8. connecting columns; 9. a first hydraulic lever; 10. a second hydraulic rod; 11. a clamping assembly; 1101. a fixing plate; 1102. a clamp arm; 1103. a rotating shaft; 1104. anti-slip teeth; 1105. a straight rod; 1106. a telescopic rod; 12. a guide post; 13. a chute; 14. a limiting slide block; 15. a sleeve; 16. a drive plate; 17. die-casting the head; 18. a tapping stick; 19. a vibration motor; 20. a dust collecting frame; 21. a wind hole; 22. a piston rod; 23. a hydraulic cylinder; 24. a blanking assembly; 2401. a servo motor; 2402. a spindle rod; 2403. a connecting rod; 2404. a drive motor; 2405. a drive belt; 2406. a tray; 2407. a buffer net; 25. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a press is used in valve production, including end cabinet 1 and unloading subassembly 24, 1 surface mounting in end cabinet has workstation 2, and 2 tops of workstation are connected with die-casting piece 3, transmission band 4 is all installed at 2 both ends of workstation, and transmission band 4 surface is provided with baffle 5, main part 6 is installed at 1 top in end cabinet, transmission band 4 is bilateral symmetry distribution about the vertical central line of end cabinet 1, and baffle 5 is equidistance evenly distributed about transmission band 4 surface, and be the parallel form between transmission band 4 and the end cabinet 1 and distribute, setting through two segmentation transmission band 4, make its process of carrying and retrieving that can accomplish the material, cooperate its surface baffle 5 to avoid the mixed collision between the raw materials.

The left side of the main body 6 is connected with a rotating motor 7, the other end of the rotating motor 7 is connected with a connecting column 8, a first hydraulic rod 9 is arranged in the middle of the connecting column 8, the bottom of the first hydraulic rod 9 is connected with a second hydraulic rod 10, the bottom of the second hydraulic rod 10 is connected with a clamping component 11, the connecting column 8 forms a rotating structure with the main body 6 through the rotating motor 7, the vertical center line of the first hydraulic rod 9 coincides with the vertical center line of the connecting column 8, the second hydraulic rod 10 is fixedly connected with the first hydraulic rod 9, the clamping component 11 forms a lifting structure with the first hydraulic rod 9 through the second hydraulic rod 10, and is connected with the connecting column 8 through the rotating motor 7, so that the first hydraulic rod 9 at the top of the connecting column 8 can rotate, the second hydraulic rod 10 and the clamping component 11 can be rotatably accommodated at one side of the main body 6, and can be, the driving plate 16 is prevented from being clamped between the second hydraulic rod 10 and the clamping assembly 11 during pressing, so that the stability of the device is improved.

The clamping assembly 11 comprises a fixing plate 1101, a clamping arm 1102, a rotating shaft 1103, anti-slip teeth 1104, a straight bar 1105 and an electric telescopic rod 1106, wherein the two ends of the fixing plate 1101 are connected with the clamping arms 1102, the surface of the clamping arm 1102 is provided with the rotating shaft 1103, the inner wall of the clamping arm 1102 is provided with the anti-slip teeth 1104, the middle part of the fixing plate 1101 is connected with the straight bar 1105, the bottom of the straight bar 1105 is connected with the electric telescopic rod 1106, the clamping arm 1102 forms a telescopic structure through the electric telescopic rod 1106 and the straight bar 1105, the clamping arm 1102 is in a left-right symmetrical inner part relative to the vertical center line of the straight bar 1105, the electric telescopic rod 1106 and the clamping arm 1102 in the clamping assembly 11 are mutually matched, so that the clamping arm 1102 is pulled to move inwards along the rotating shaft 1103 under the driving of the electric telescopic rod 1106, the clamping arm 1102 is in a clamping shape, thereby can the fixed raw materials of centre gripping, inside the die-casting piece 3 at 2 tops of workstation is carried the raw materials to the cooperation first hydraulic stem 9, make it accomplish the automatic feeding process, promote material loading efficiency, guarantee operation personnel's safety.

The main body 6 is internally connected with a guide post 12, the surface of the guide post 12 is provided with a sliding groove 13, the sliding groove 13 is internally connected with a limit slider 14, the surface of the limit slider 14 is connected with a ball 25, the other end of the limit slider 14 is connected with a sleeve 15, the sleeve 15 is externally connected with a driving plate 16, the sleeve 15 forms a sliding structure with the guide post 12 through the limit slider 14, the ball 25, the sliding groove 13 and the guide post 12, the limit slider 14 and the ball 25 are movably connected, the size of an outer opening of the limit slider 14 is matched with the size of an inner opening of the sliding groove 13, the driving plate 16 can be pushed to slide up and down along the guide post 12 through the connection of a hydraulic cylinder 23 and a piston rod 22, the sleeve 15 around the driving plate 16 is matched with the arrangement of the guide post 12, the sleeve 15 can slide close to the guide post 12, the sliding stability is ensured, make limit slider 14 and ball 25 can slide in spout 13 is inside to can reduce the coefficient of friction between limit slider 14 and the spout 13, stability when having guaranteed to slide can also reduce the wearing and tearing between the two.

The bottom of the driving plate 16 is connected with a die casting head 17, two ends of the die casting head 17 are both connected with knocking rods 18, the other end of the knocking rod 18 is connected with a vibrating motor 19, a dust collecting frame 20 is arranged outside the die casting head 17, an air hole 21 is arranged on the inner wall of the dust collecting frame 20, the top of the driving plate 16 is connected with a piston rod 22, the top of the piston rod 22 is connected with a hydraulic cylinder 23, a blanking assembly 24 is arranged on the right side of the driving plate 16, the knocking rod 18 and the die casting head 17 form a transmission structure through the vibrating motor 19, the knocking rods 18 are distributed in a staggered mode about the vertical central line of the die casting head 17, the knocking rods 18 are of a flexible structure, and through the mutual matching arrangement of the knocking rods 18, the vibrating motor 19 and the die casting head 17, after the processing is completed, the knocking rods 18 can knock the two ends of the die casting head 17 through the vibrating motor 19, so that the raw materials after, the dust can be removed by matching the external dust collecting frame 20 with the air holes 21, so that the dust can be absorbed, the temperature of the surface of the die-casting head 17 can be reduced, and the service life of the die-casting head 17 is ensured.

The blanking assembly 24 comprises a servo motor 2401, a rotating shaft rod 2402, a connecting rod 2403, a driving motor 2404, a transmission belt 2405, a tray 2406 and a buffer net 2407, the bottom of the servo motor 2401 is connected with the rotating shaft rod 2402, the bottom of the rotating shaft rod 2402 is connected with the connecting rod 2403, the surface of the connecting rod 2403 is connected with the driving motor 2404, one end of the driving motor 2404 is connected with the transmission belt 2405, the other end of the transmission belt 2405 is connected with the tray 2406, the buffer net 2407 is connected with the inside of the tray 2406, the connecting rod 2403 forms a rotating structure through the rotating shaft rod 2402 and the servo motor 2401, the connecting rod 2403 and the rotating shaft rod 2402 are vertically distributed, the tray 2406 forms a transmission structure through the transmission belt 2405, the driving motor 2404 and the connecting rod 2403, the driving motor 2404 forms a rotating angle of 180 degrees, when the vibrating motor 19 drives the two ends of the rapping rod 18 to extrude the inner finished, through the drive of the servo motor 2401 in the blanking assembly 24, the rotating shaft rod 2402 and the connecting rod 2403 synchronously rotate 180 degrees, the tray 2406 is moved to the position under the die-casting head 17, the buffer net 2407 in the tray 2406 is matched to catch the dropped finished raw materials, the tray 2406 is overturned 180 degrees through the drive motor 2404 and the matching arrangement between the transmission belt 2405 and the tray 2406, the inner finished raw materials drop on the surface of the transmission belt 4, and therefore the automatic blanking process is completed.

In summary, when the press machine for valve production is used, firstly the conveying belt 4 is opened to convey the raw materials to the feeding area, the conveying belt 4 can separate the raw materials by arranging the surface partition plates 5 to avoid mixing collision between the raw materials, then the clamping assembly 11 is pushed to lean against the raw materials by opening the second hydraulic rod 10, the friction coefficient between the clamping arm 1102 and the raw materials can be increased by the cooperation of the straight rod 1105 in the clamping assembly 11, the electric telescopic rod 1106 and the clamping arm 1102, the clamping arm 1102 is pulled to move inwards along the rotating shaft 1103 by the driving of the electric telescopic rod 1106, so that the clamping arm 1102 clamps the raw materials, the anti-skid teeth 1104 on the inner side of the clamping arm 1102 can be matched to lift the friction coefficient between the anti-skid teeth and the raw materials, so as to stably clamp the raw materials, and further the first hydraulic rod 9 is opened to push the second hydraulic rod 10 and the clamping assembly 11 to place the, then, a rotating motor 7 is turned on to enable a connecting column 8, a first hydraulic rod 9, a second hydraulic rod 10 and a clamping component 11 to synchronously rotate and be accommodated at one side of a main body 6, the work of the device is prevented from being influenced, the stability of the device during processing is improved, then a hydraulic cylinder 23 is turned on to enable the hydraulic cylinder to push a piston rod 22 and a driving plate 16, the driving plate 16 enables the driving plate 16 to downwards slide along a guide post 12 at a constant speed, raw materials are processed through the contact of a die-casting head 17 at the bottom and a die-casting block 3, the driving plate 16 enables a sleeve 15 to slide close to the guide post 12 through the arrangement of a sleeve 15 and the guide post 12 at the periphery, the sliding stability is ensured, the sleeve 15 enables the limiting slide block 14 and a ball 25 to slide inside a sliding groove 13 through the inner limiting slide block 14 and the ball 25 in cooperation with the sliding groove 13 formed in the, the stability during sliding is ensured, the abrasion between the two is reduced, after the processing is finished, the vibrating motor 19 is opened, the knocking rod 18 is made to knock the two ends of the die-casting head 17, so that the raw material after the internal die-casting is finished can be taken out, dust and impurities on the surface of the raw material can be knocked off, the dust can be removed by matching with the external dust collecting frame 20 and the air holes 21, the dust is absorbed, the temperature on the surface of the die-casting head 17 can be reduced, the service life of the die-casting head 17 is ensured, when the knocking rod 18 is driven by the vibrating motor 19 to knock the two ends of the die-casting head 17 to take out the internal finished raw material, the rotating shaft rod 2402 and the connecting rod 2403 synchronously rotate 180 degrees through the driving of the servo motor 2401 in the blanking assembly 24, the tray 2406 is moved to the position right below the die-casting head 17, and the buffer net 2407 in the tray 2406 is matched to receive the dropped finished raw material, finally, through the mutually supporting setting between driving motor 2404, drive belt 2405 and tray 2406, overturn tray 2406 180 for inside finished product raw materials drops on the surface of transmission band 4, thereby accomplishes automatic unloading process, and the device does not need manual operation through automatic unloading, has not only guaranteed processing production efficiency, has still effectually protected operating personnel's health and safety.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a press is used in valve production, includes end cabinet (1) and unloading subassembly (24), its characterized in that: the upper surface of the bottom cabinet (1) is provided with a workbench (2), the top of the workbench (2) is connected with a casting die (3), two ends of the workbench (2) are respectively provided with a transmission belt (4), the surface of the transmission belt (4) is provided with a partition plate (5), the top of the bottom cabinet (1) is provided with a main body (6), the left side of the main body (6) is connected with a rotating motor (7), the other end of the rotating motor (7) is connected with a connecting column (8), the middle part of the connecting column (8) is provided with a first hydraulic rod (9), the bottom of the first hydraulic rod (9) is connected with a second hydraulic rod (10), the bottom of the second hydraulic rod (10) is connected with a clamping component (11), the main body (6) is internally connected with a guide pillar (12), the surface of the guide pillar (12) is provided with a sliding chute, and the surface of the limiting slide block (14) is connected with a ball (25), the other end of the limiting slide block (14) is connected with a sleeve (15), the sleeve (15) is externally connected with a drive plate (16), the bottom of the drive plate (16) is connected with a die casting head (17), two ends of the die casting head (17) are connected with knocking rods (18), the other end of the knocking rod (18) is connected with a vibrating motor (19), a dust collecting frame (20) is arranged outside the die casting head (17), an air hole (21) is formed in the inner wall of the dust collecting frame (20), the top of the drive plate (16) is connected with a piston rod (22), the top of the piston rod (22) is connected with a hydraulic cylinder (23), and the blanking assembly (24) is installed.

2. The press machine for valve production according to claim 1, wherein: the transmission band (4) are bilateral symmetry about the vertical central line of end cabinet (1) and distribute, and baffle (5) are equidistance evenly distributed about transmission band (4) surface, are parallel form distribution between transmission band (4) and end cabinet (1) moreover.

3. The press machine for valve production according to claim 1, wherein: constitute revolution mechanic between spliced pole (8) through rotating motor (7) and main part (6), and the vertical central line of first hydraulic stem (9) coincides mutually with the vertical central line of spliced pole (8), is fixed connection moreover between second hydraulic stem (10) and first hydraulic stem (9) to constitute elevation structure between centre gripping subassembly (11) through second hydraulic stem (10) and first hydraulic stem (9).

4. The press machine for valve production according to claim 1, wherein: the clamping assembly (11) comprises a fixing plate (1101), clamping arms (1102), a rotating shaft (1103), anti-skidding teeth (1104), a straight rod (1105) and an electric telescopic rod (1106), wherein the two ends of the fixing plate (1101) are connected with the clamping arms (1102), the surface of each clamping arm (1102) is provided with the rotating shaft (1103), the inner wall of each clamping arm (1102) is provided with the anti-skidding teeth (1104), the middle of the fixing plate (1101) is connected with the straight rod (1105), and the bottom of the straight rod (1105) is connected with the electric telescopic rod (1106).

5. The press machine for valve production according to claim 4, wherein: the clamping arm (1102) forms a telescopic structure through the electric telescopic rod (1106) and the straight rod (1105), and the clamping arm (1102) is arranged in the left-right symmetry mode relative to the vertical center line of the straight rod (1105).

6. The press machine for valve production according to claim 1, wherein: the sleeve (15) forms a sliding structure with the guide post (12) through the limiting slide block (14), the ball (25), the sliding groove (13), the limiting slide block (14) is movably connected with the ball (25), and the size of the outer opening of the limiting slide block (14) is matched with the size of the inner opening of the sliding groove (13).

7. The press machine for valve production according to claim 1, wherein: the rapping bar (18) forms a transmission structure with the die-casting head (17) through the vibration motor (19), the rapping bar (18) is distributed in a staggered mode relative to the vertical center line of the die-casting head (17), and the rapping bar (18) is of a flexible structure.

8. The press machine for valve production according to claim 1, wherein: unloading subassembly (24) include servo motor (2401), pivot pole (2402), connecting rod (2403), driving motor (2404), driving belt (2405), tray (2406) and buffering net (2407), and servo motor (2401) bottom is connected with pivot pole (2402), pivot pole (2402) bottom is connected with connecting rod (2403), and connecting rod (2403) surface is connected with driving motor (2404), driving motor (2404) one end is connected with driving belt (2405), and driving belt (2405) other end is connected with tray (2406), tray (2406) internal connection has buffering net (2407).

9. The press for manufacturing a valve according to claim 8, wherein: the connecting rod (2403) forms a rotating structure through the position between the rotating shaft rod (2402) and the servo motor (2401), the connecting rod (2403) and the rotating shaft rod (2402) are distributed in a vertical mode, the tray (2406) forms a transmission structure through the position between the transmission belt (2405), the driving motor (2404) and the connecting rod (2403), and the rotating angle of the driving motor (2404) is 180 degrees.