CN217726930U

CN217726930U - Spring ejection device of press machine

Info

Publication number: CN217726930U
Application number: CN202222170577.XU
Authority: CN
Inventors: 潘光明
Original assignee: Qingdao Songtian Forging And Stamping Machinery Co ltd
Current assignee: Qingdao Songtian Forging And Stamping Machinery Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-11-04
Anticipated expiration: 2032-08-17

Abstract

The utility model provides a press spring ejecting device relates to the press field. This press spring ejecting device, including the base plate, base plate upper end fixedly connected with hydraulic pump, hydraulic pump output end fixedly connected with hydraulic telescoping rod, base plate lower extreme fixedly connected with main force spring, main force spring lower extreme fixedly connected with conversion dish, conversion dish lower extreme fixed connection auxiliary spring, auxiliary spring lower extreme fixedly connected with ejecting dish, ejecting dish upper end articulates there is the hasp tooth, the hasp tooth is inboard at auxiliary spring, the inboard sliding connection of hasp tooth has the backing plate. This press spring ejecting device through main power spring and auxiliary spring of both ends installation about the conversion dish, makes the device can be through the stress point that changes two springs, makes the dynamics of device can obtain the adjustment, through installation hasp tooth clamp position dish, makes the conversion post can with ejecting dish relatively fixed, makes the spring can not crooked, has reached the effect that changes the spring atress adjustment and releases the dynamics, has solved the difficult problem of adjusting of ejecting power way.

Description

Spring ejection device of press machine

Technical Field

The utility model relates to a press technical field specifically is press spring ejecting device.

Background

The press machine comprises a punch press and a hydraulic press, and is a universal press machine with an exquisite structure. The press machine has the characteristics of wide application, high production efficiency and the like, and can be widely applied to processes of cutting, punching, blanking, bending, riveting, forming and the like. The metal is processed into parts by applying a strong pressure to the metal blank to cause plastic deformation and fracture of the metal.

When the press machine works, a workpiece can be clamped in a die usually, the common ejection device can complete ejection motion, but the ejection motion is inconvenient to adjust, and different materials are required to be used for facilitating adjustment of the ejection motion aiming at materials made of different materials, so that the press machine spring ejection device is designed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a press spring ejecting device has solved the release power and has said the difficult problem of adjusting and the unable adjustment of different atress of different spring elasticity coefficients.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the press spring ejection device comprises a substrate, a hydraulic pump is fixedly connected to the upper end of the substrate, a hydraulic telescopic rod is fixedly connected to the output end of the hydraulic pump, a main spring is fixedly connected to the lower end of the main spring, a conversion disc is fixedly connected to the lower end of the conversion disc, an auxiliary spring is fixedly connected to the lower end of the auxiliary spring, a pushing disc is fixedly connected to the lower end of the pushing disc, a locking tooth is hinged to the upper end of the pushing disc, the locking tooth is located on the inner side of the auxiliary spring, a backing plate is slidably connected to the inner side of the locking tooth, a locking spring is fixedly connected to the upper surface of the backing plate, an extrusion plate is fixedly connected to one end of the backing plate, the extrusion plate is slidably connected to the locking tooth, a conversion column is slidably connected to the inner side of the conversion disc, the conversion column is slidably connected to the hydraulic telescopic rod, a jacking plate is fixedly connected to the upper end of the conversion column, the jacking plate is in contact with the substrate, a clamping disc is fixedly connected to the lower end of the conversion column, the clamping disc is in clamping connection with the locking tooth, a supporting ring is fixedly connected to the supporting ring, a conversion plate is in contact with the conversion disc, a first elastic plate is fixedly connected to the surface of the pressing plate, and a push rod is connected to the hydraulic telescopic rod.

Preferably, the two groups of lock catch teeth are symmetrical to each other, the upper ends of the lock catch teeth are provided with arc-shaped sliding surfaces, and one sides of the lock catch teeth, which are close to each other, are provided with grooves.

Preferably, the shape of the transformation column is a cylinder, a threaded hole is formed in the center of the cylinder, a through hole is formed in the peripheral surface of the cylinder, and the first elastic sheet plate and the second elastic sheet plate are arranged on the inner side of the through hole of the cylinder.

Preferably, the upper end of the first elastic sheet plate is a round shaft, the round shaft is fixedly connected with the transformation column, the surface of the round shaft is fixedly connected with an extrusion piece, the extrusion piece is in contact with the hydraulic telescopic rod, and one end of the extrusion piece, far away from the round shaft, is fixedly connected with a blocking key.

Preferably, the upper end of the second elastic sheet plate is a circular shaft, the circular shaft is rotatably connected with the conversion column, and the surface of the circular shaft is fixedly connected with a blocking rod which is in contact with the conversion disc.

Preferably, the connecting plate is a flat plate, the flat plate has elasticity, and the lower end of the flat plate slides with the pressing plate.

(III) advantageous effects

The utility model provides a press spring ejecting device. The method has the following beneficial effects:

1. according to the spring ejection device of the press machine, the main force spring and the auxiliary spring are installed at the upper end and the lower end of the conversion disc, the device can adjust the force of the device by changing the stress points of the two springs, the clamping disc is clamped by installing the locking tooth, the conversion column can be relatively fixed with the ejection disc, the springs cannot be bent, the effect of changing the force of the springs to adjust the ejection force is achieved, and the problem that the ejection force is not easy to adjust is solved.

2. This press spring ejecting device through at the first shell fragment board of transformation post inboard installation, makes first shell fragment board stop that the conversion dish removes to rise to extrude the main force spring, through installation second shell fragment board, makes the second shell fragment board can restrict the conversion dish and descend, makes the auxiliary spring lose effect, has reached the effect that the extrusion promoted the shell fragment board and changes the conversion post position, has solved the unable problem of adjusting of the different atresss of different spring elasticity coefficients.

Drawings

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

FIG. 2 is a schematic view of the main spring structure of the present invention;

FIG. 3 is a schematic view of the structure of the latch teeth of the present invention;

fig. 4 is a schematic view of the structure of the transformation column of the present invention.

The hydraulic control device comprises a base plate-1, a hydraulic pump-2, a hydraulic telescopic rod-3, a main force spring-4, a conversion disc-5, an auxiliary spring-6, a push-out disc-7, a lock catch tooth-8, a backing plate-9, a lock catch spring-10, an extrusion plate-11, a conversion column-12, a top position plate-13, a clamping disc-14, a support ring-15, a first elastic sheet plate-16, a second elastic sheet plate-17, a connecting plate-18, a pressing plate-19 and a push rod-20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a press spring ejecting device, as shown in fig. 1-4, including base plate 1, 1 upper end fixedly connected with hydraulic pump 2 of base plate, 2 output fixedly connected with hydraulic telescoping rod 3 of hydraulic pump, 1 lower extreme fixedly connected with main force spring 4 of base plate, 4 lower extreme fixedly connected with conversion dish 5 of main force spring, 5 lower extreme fixed connection auxiliary spring 6 of conversion dish, 6 lower extreme fixedly connected with of auxiliary spring push out dish 7, it has hasp tooth 8 to articulate in 7 upper ends of push out dish, 8 total two sets of mutual symmetries of hasp tooth, the circular arc gliding surface has been seted up to hasp tooth 8 upper ends, one side that hasp tooth 8 are close to each other is seted up flutedly, hasp tooth 8 has the dead effect of fixed lock.

The latch tooth 8 is inboard at auxiliary spring 6, the inboard sliding connection of latch tooth 8 has backing plate 9, fixed surface is connected with latch spring 10 on backing plate 9, latch spring 10 is inboard at latch tooth 8, one end fixedly connected with stripper plate 11 of backing plate 9 is kept away from to latch spring 10, stripper plate 11 and latch tooth 8 sliding connection, the inboard sliding connection of conversion dish 5 has conversion post 12, conversion post 12 and 3 sliding connection of hydraulic telescoping rod, conversion post 12 upper end fixedly connected with top position plate 13, top position plate 13 and base plate 1 contact, conversion post 12 lower extreme fixedly connected with screens dish 14, screens dish 14 and latch tooth 8 joint, conversion post 12 outer fixed surface is connected with backing ring 15, backing ring 15 and conversion dish 5 contact, the inboard fixedly connected with first shell plate 16 of conversion post 12, it is inboard to convert post 12 appearance again when first shell plate 16 does not receive the power, conversion post 12 appearance is the cylinder, the screw hole has been seted up at the cylinder center, the through-hole has been seted up to the cylinder outer peripheral face, first shell plate 16 and second shell plate 17 are inboard at the through-hole, the support point that conversion post 12 can move the adjustment spring.

The first elastic sheet plate 16 is connected with the hydraulic telescopic rod 3 in a sliding mode, the inner side of the transformation column 12 is rotatably connected with a second elastic sheet plate 17, the upper end of the second elastic sheet plate 17 is a round shaft, the round shaft is rotatably connected with the transformation column 12, a blocking rod is fixedly connected to the surface of the round shaft and is in contact with the conversion disc 5, and the second elastic sheet plate 17 is in an outwards-opened state under the condition of no stress.

One end, far away from the hydraulic telescopic rod 3, of the second elastic sheet plate 17 is fixedly connected with a connecting plate 18, one end, far away from the second elastic sheet plate 17, of the connecting plate 18 is connected with a pressing plate 19 in a sliding mode, the connecting plate 18 is flat and elastic, the lower end of the flat plate slides with the pressing plate 19, and the connecting plate 18 can pull and pull the second elastic sheet plate 17.

The surface of the pressing plate 19 is fixedly connected with a push rod 20, the push rod 20 is divided into two sections which can be extended and retracted by extruding the built-in spring, and the push rod 20 is rotatably connected with the hydraulic telescopic rod 3.

The working principle is as follows: when the device is used, firstly, the hydraulic pump 2 is started to drive the hydraulic telescopic rod 3, the hydraulic telescopic rod 3 drives the transformation column 12 to move upwards, the transformation disc 5 is blocked by the main force spring 4 and cannot move, the second spring plate 17 is separated from the transformation disc 5 to automatically eject after rising, the hydraulic telescopic rod 3 and the transformation column 12 are matched with the second spring plate 17 to be supported in the middle of the main force spring 4, the main force spring 4 loses elasticity, the hydraulic pump 2 is started to drive the hydraulic telescopic rod 3 to extend, the push rod 20 pushes the pressing plate 19, the pressing plate 19 pulls the second spring plate 17 to contract through the connecting plate 18, the push rod 20 pushes the transformation column 12 to be close to the push-out disc 7, the clamping disc 14 presses the pressing plate 11 to press the locking spring 10, the clamping disc 14 is locked on the inner side of the locking teeth 8, the hydraulic telescopic rod 3 pushes the pressing push rod 20 again to push the first spring plate 16 to eject, the transformation column 12 is matched with the first spring plate 16 to support the auxiliary spring 6, the auxiliary spring 6 loses elasticity, and the pushing force of the push-out disc 7 is changed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Press spring ejecting device, including base plate (1), its characterized in that: the hydraulic pump (2) is fixedly connected to the upper end of the base plate (1), the hydraulic telescopic rod (3) is fixedly connected to the output end of the hydraulic pump (2), a main force spring (4) is fixedly connected to the lower end of the base plate (1), a conversion disc (5) is fixedly connected to the lower end of the main force spring (4), an auxiliary spring (6) is fixedly connected to the lower end of the conversion disc (5), a push-out disc (7) is fixedly connected to the lower end of the auxiliary spring (6), a locking tooth (8) is hinged to the upper end of the push-out disc (7), the locking tooth (8) is located on the inner side of the auxiliary spring (6), a backing plate (9) is slidably connected to the inner side of the locking tooth (8), a locking spring (10) is fixedly connected to the upper surface of the backing plate (9), the locking spring (10) is located on the inner side of the locking tooth (8), an extrusion plate (11) is fixedly connected to one end, far away from the backing plate (9), and the extrusion plate (11) is slidably connected with the locking tooth (8);

conversion post (12) is connected to the inboard sliding of conversion dish (5), conversion post (12) and hydraulic telescoping rod (3) sliding connection, conversion post (12) upper end fixedly connected with top position board (13), top position board (13) and base plate (1) contact, conversion post (12) lower extreme fixedly connected with screens dish (14), screens dish (14) and hasp tooth (8) joint, conversion post (12) surface fixedly connected with filler ring (15), filler ring (15) and conversion dish (5) contact, the inboard fixedly connected with first bullet sheet board (16) of conversion post (12), first bullet sheet board (16) and hydraulic telescoping rod (3) sliding connection, conversion post (12) inboard rotation is connected with second bullet sheet board (17), the one end fixedly connected with connecting plate (18) of hydraulic telescoping rod (3) is kept away from in second bullet sheet board (17) in second bullet sheet board (18) one end sliding connection has pressing plate (19), pressing plate (19) surface fixed connection has push rod (20), hydraulic telescoping rod (3) rotation is connected with hydraulic telescoping rod (20).

2. The press spring ejector apparatus of claim 1, wherein: the lock catch teeth (8) are two groups which are symmetrical to each other, the upper ends of the lock catch teeth (8) are provided with arc-shaped sliding surfaces, and one sides of the lock catch teeth (8) which are close to each other are provided with grooves.

3. The press spring ejector apparatus of claim 1, wherein: the shape of the transformation column (12) is a cylinder, a threaded hole is formed in the center of the cylinder, a through hole is formed in the peripheral surface of the cylinder, and the first elastic sheet plate (16) and the second elastic sheet plate (17) are arranged on the inner side of the through hole of the cylinder.

4. The press spring ejector apparatus of claim 1, wherein: the upper end of the first spring plate (16) is a round shaft, the round shaft is fixedly connected with the conversion column (12), the surface of the round shaft is fixedly connected with an extrusion piece, the extrusion piece is in contact with the hydraulic telescopic rod (3), and one end of the extrusion piece, far away from the round shaft, is fixedly connected with a blocking key.

5. The press spring ejector apparatus of claim 1, wherein: the upper end of the second elastic sheet plate (17) is a round shaft, the round shaft is rotatably connected with the conversion column (12), and the surface of the round shaft is fixedly connected with a blocking rod which is in contact with the conversion disc (5).

6. A press spring ejection apparatus as claimed in claim 1, wherein: the connecting plate (18) is a flat plate which has elasticity, and the lower end of the flat plate slides with the pressing plate (19).