CN211474734U - Extrusion die buffering damping device - Google Patents

Abstract

The utility model provides an extrusion die buffering damping device relates to the mould field. This extrusion die buffering damping device, which comprises a sleeve, telescopic bottom fixed mounting has the clamp plate, telescopic inside fixed mounting has friction guiding mechanism, friction guiding mechanism includes the friction disc, friction disc fixed mounting is on telescopic interior roof, one side fixed mounting that sleeve central line was kept away from to the friction disc has compression spring, compression spring keeps away from the one end fixedly connected with backup pad of friction disc, compression spring's one end initiative is kept away from to the backup pad is connected with adjusting screw, adjusting screw keeps away from the one end of backup pad and runs through the sleeve and extend to telescopic outside, torque adjusting mechanism has been cup jointed to telescopic inside. This extrusion die buffering damping device through the friction fit between friction disc and the clutch blocks and the cooperation between drive plate and the components of a whole that can function independently design of driven plate and top pearl and the spacing spring, can solve the too big problem of the excessive wearing and tearing of extrusion die that leads to of extrusion film's extrusion force.

Description

Extrusion die buffering damping device

Technical Field

The utility model relates to the technical field of mold, specifically be an extrusion die buffering damping device.

Background

A press working method in which a punch or a punch presses a blank placed in a die to cause plastic flow, thereby obtaining a product corresponding to the shape of a hole or a male-female die of a die. During extrusion, the billet generates three-way compressive stress, and even the billet with low plasticity can be extruded and formed.

Extrusion film among the prior art can lead to because the extrusion force is too big to lead to excessive notes material can lead to, and the finished product that the drawing of patterns was come out is bloated, and the too big increase of extrusion force simultaneously can increase wearing and tearing, and the machining precision of whole mould can receive the influence, so need one kind can cushion absorbing device when applying the extrusion force.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an extrusion die buffering damping device has solved the too big problem that leads to the excessive wearing and tearing of mould of extrusion force among the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a buffering and damping device of an extrusion die comprises a sleeve, a pressing plate is fixedly installed at the bottom of the sleeve, a friction adjusting mechanism is fixedly installed inside the sleeve and comprises a friction plate, the friction plate is fixedly installed on the inner top wall of the sleeve, a compression spring is fixedly installed on one side, away from the central line of the sleeve, of the friction plate, one end, away from the friction plate, of the compression spring is fixedly connected with a supporting plate, one end, away from the compression spring, of the supporting plate is actively connected with an adjusting screw, one end, away from the supporting plate, of the adjusting screw penetrates through the sleeve and extends to the outside of the sleeve, a torque adjusting mechanism is sleeved inside the sleeve and comprises a main shaft, a driving plate is fixedly installed at the bottom of the main shaft, a driven plate is clamped at the bottom of the driving plate, a threaded shaft is fixedly connected at the bottom, the bottom front two sides fixed mounting who removes the cover has the extrusion stem, the extrusion stem runs through the sleeve and extends to telescopic inside, the bottom fixed mounting of extrusion stem has the clutch blocks, clutch blocks and friction disc sliding connection, the bottom initiative of clutch blocks is connected with reset spring, reset spring's bottom and telescopic interior diapire fixed connection, the guide rail is installed at the bottom left and right sides bottom of removal cover, the bottom and the sleeve fixed connection of guide rail, the top of guide rail runs through the removal cover and extends to the top of removing the cover, the top fixed mounting of guide rail has the stop collar, the diapire left and right sides of driving plate is seted up flutedly, the interior roof fixed mounting of recess has spacing spring, spacing spring originally has the semicircular cover from the one end fixed clamping of recess, the inside roll connection ejector pin of semicircular cover, the joint groove with the ejector pin adaptation is seted up to the top of driven plate, torque adjustment mechanism extends to telescopic inside and with friction adjustment mechanism sliding connection.

Preferably, the number of the friction plates is four, the four friction plates are annularly distributed in a row by taking the central line of the sleeve as the center, and gaps are formed among the four friction plates.

Preferably, the adjusting screw is in threaded connection with the sleeve, and a straight groove is formed in the top of the adjusting screw.

Preferably, the top bead is located in the clamping groove in a half mode, the other half of the top bead is located inside the semi-ring sleeve, and the top bead are connected in a rolling mode.

Preferably, the length of the threaded shaft is equal to the length of the interior of the sleeve, and although the return spring inside the sleeve occupies a certain length after being completely compressed, the length of the threaded shaft is longer for the purpose of buffering.

Advantageous effects

The utility model provides an extrusion die buffering damping device. The method has the following beneficial effects:

1. this extrusion die buffering damping device through the friction fit between friction disc and the clutch blocks and the cooperation between drive plate and the components of a whole that can function independently design of driven plate and top pearl and the spacing spring, can solve the too big problem of the excessive wearing and tearing of extrusion die that leads to of extrusion film's extrusion force.

2. This extrusion die buffering damping device can adjust the size of the frictional force between friction disc and the clutch blocks through adjusting screw, can reach the size that the regulation plays buffering absorbing work initial force, has solved among the prior art device and has just can meet an emergency the problem of exerting force.

Drawings

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

FIG. 2 is a cross-sectional view of the driving plate and the driven plate of the present invention;

fig. 3 is a cross-sectional view of the inside of the sleeve of the present invention;

fig. 4 is a partial schematic view of the threaded shaft of the present invention.

The device comprises a sleeve-1, a pressure plate-2, a friction adjusting mechanism-3, a torque adjusting mechanism-4, a friction plate-5, a compression spring-6, a support plate-7, an adjusting screw-8, a driving plate-9, a driven plate-10, a threaded shaft-11, a moving sleeve-12, an extrusion rod-13, a friction block-14, a return spring-15, a guide rail-16, a groove-17, a limiting spring-18, a semi-ring sleeve-19, a top bead-20, a clamping groove-21, a limiting sleeve-22 and a main shaft-23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 an extrusion die buffering damping device:

in a first embodiment, as shown in fig. 1 to 4, a buffering and damping device for an extrusion die includes a sleeve 1, a pressing plate 2 is fixedly installed at the bottom of the sleeve 1, a friction adjusting mechanism 3 is fixedly installed inside the sleeve 1, a torque adjusting mechanism 4 is sleeved inside the sleeve 1, and the torque adjusting mechanism 4 extends into the sleeve 1 and is slidably connected with the friction adjusting mechanism 3.

In the second embodiment, as shown in fig. 1-4, the friction adjusting mechanism 3 includes four friction plates 5, the friction plates 5 are fixedly mounted on the inner top wall of the sleeve 1, the number of the friction plates 5 is four, the four friction plates 5 are distributed in an annular array with the center line of the sleeve 1 as the center, gaps are provided between the four friction plates 5, heat generated by friction is dissipated in time by setting the gaps, a compression spring 6 is fixedly mounted on one side of the friction plate 5 away from the center line of the sleeve 1, a support plate 7 is fixedly connected to one end of the compression spring 6 away from the friction plate 5, an adjusting screw 8 is actively connected to one end of the support plate 7 away from the compression spring 6, one end of the adjusting screw 8 away from the support plate 7 penetrates through the sleeve 1 and extends to the outside of the sleeve 1, the adjusting screw 8 is in threaded connection with the sleeve 1, so that the, facilitating adjustment of the adjusting screw 8.

In the third embodiment, as shown in fig. 1 to 4, the torque adjusting mechanism 4 includes a main shaft 23, the main shaft 23 is connected to a rotating electrical machine, a driving plate 9 is fixedly mounted at the bottom of the main shaft 23, a driven plate 10 is clamped at the bottom of the driving plate 9, a threaded shaft 11 is fixedly connected to the bottom of the driven plate 10, the top of a sleeve 1 at the bottom end of the threaded shaft 11 is rotatably connected, the length of the threaded shaft 11 is equal to the length inside the sleeve 1, and although a return spring 15 inside the sleeve occupies a certain length after being completely compressed, the length of the threaded shaft 11 is longer for buffering. The outer surface of the threaded shaft 11 is in threaded connection with a movable sleeve 12, extrusion rods 13 are fixedly mounted on the front two sides of the bottom of the movable sleeve 12, the extrusion rods 13 penetrate through the sleeve 1 and extend into the sleeve 1, friction blocks 14 are fixedly mounted on the bottom of the extrusion rods 13, the friction blocks 14 are in sliding connection with the friction plates 5, return springs 15 are actively connected to the bottoms of the friction blocks 14, the bottom ends of the return springs 15 are fixedly connected with the inner bottom wall of the sleeve 1, guide rails 16 are mounted on the valley bottoms of the left and right sides of the bottom end of the movable sleeve 12, the bottom ends of the guide rails 16 are fixedly connected with the sleeve 1, the top ends of the guide rails 16 penetrate through the movable sleeve 12 and extend above the movable sleeve 12, stop sleeves 22 are fixedly mounted on the top ends of the guide rails 16, grooves 17 are formed in the left and right sides of the bottom wall of the active plate 9, stop springs 18 are fixedly, half ring cover 19's inside roll connection holds up pearl 20, and the joint groove 21 with the adaptation of holding up pearl 20 is seted up to the top of driven plate 10, holding up pearl 20 half is located joint groove 21, and inside half is located half ring cover 19, holds up pearl 20 and the equal roll connection of the two, and such setting can be guaranteed to close as an organic wholely at the downward driving plate 9 of non-stress state and driven plate 10.

When the pressure-adjustable damping device is used, the pressure between the compression spring 6 and the friction plate 5 can be adjusted through rotating the adjusting screw 8, the friction force between the friction plate 5 and the friction block 14 can be adjusted, the friction block 14 can be driven to move downwards through rotation of the threaded shaft when the motor rotates, the friction plate 5 and the friction block 14 achieve the effect of sliding friction when the pressure plate 2 reaches the position, and when the return spring 15 reaches the compression limit value, the driving plate 9 and the driven plate 10 rotate relatively, are not connected with each other, and do not advance, so that the damping effect is achieved.

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 (6)

1. The utility model provides an extrusion die buffering damping device, includes sleeve (1), its characterized in that: the bottom fixed mounting of sleeve (1) has clamp plate (2), and the inside fixed mounting of sleeve (1) has friction guiding mechanism (3), and torque adjusting mechanism (4) have been cup jointed to the inside of sleeve (1), and torque adjusting mechanism (4) extend to the inside of sleeve (1) and with friction guiding mechanism (3) sliding connection.

2. The extrusion die cushion and shock absorption device as set forth in claim 1, wherein: friction guiding mechanism (3) are including friction disc (5), friction disc (5) fixed mounting is on the interior roof of sleeve (1), and one side fixed mounting that sleeve (1) central line was kept away from in friction disc (5) has compression spring (6), and the one end fixedly connected with backup pad (7) of friction disc (5) are kept away from in compression spring (6), and the one end initiative that compression spring (6) were kept away from in backup pad (7) is connected with adjusting screw (8), and the one end that backup pad (7) were kept away from in adjusting screw (8) runs through sleeve (1) and extends to the outside of sleeve (1).

3. The extrusion die cushion and shock absorption device as set forth in claim 1, wherein: the torque adjusting mechanism (4) comprises a main shaft (23), a driving plate (9) is fixedly mounted at the bottom of the main shaft (23), a driven plate (10) is clamped at the bottom of the driving plate (9), a threaded shaft (11) is fixedly connected to the bottom of the driven plate (10), and the top of a bottom sleeve (1) of the threaded shaft (11) is rotatably connected.

4. The extrusion die cushion and shock absorption device as set forth in claim 3, wherein: the outer surface threaded connection of threaded shaft (11) has removal cover (12), both sides fixed mounting has squeeze stem (13) before the bottom of removal cover (12), squeeze stem (13) run through sleeve (1) and extend to the inside of sleeve (1), the bottom fixed mounting of squeeze stem (13) has clutch blocks (14), clutch blocks (14) and friction disc (5) sliding connection, the bottom initiative of clutch blocks (14) is connected with reset spring (15), the bottom of reset spring (15) and the interior diapire fixed connection of sleeve (1).

5. The extrusion die cushion and shock absorption device as set forth in claim 4, wherein: guide rail (16) are installed to the bottom left and right sides valley bottom of the bottom of removal cover (12), the bottom and sleeve (1) fixed connection of guide rail (16), and the top of guide rail (16) runs through and removes cover (12) and extends to the top of removing cover (12), and the top fixed mounting of guide rail (16) has stop collar (22).

6. The extrusion die cushion and shock absorption device as set forth in claim 3, wherein: the utility model discloses a driving plate's (9) of driving plate, including the diapire of driving plate, the diapire left and right sides is seted up flutedly (17), and the interior roof fixed mounting of recess (17) has spacing spring (18), and spacing spring (18) originally have half ring cover (19) from the one end fixed clamping joint of recess (17), and the inside roll connection of half ring cover (19) pushes up pearl (20), and joint groove (21) with pushing up pearl (20) adaptation are seted up to the top of driven plate (10).

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