CN215431524U - Space-saving powder forming machine - Google Patents

Abstract

The utility model discloses a space-saving powder forming machine, which comprises a machine frame, an upper punch, a lower die and a pressing force-increasing mechanism, wherein the machine frame comprises a plurality of sliding columns and a supporting base which are arranged up and down, the lower die is fixed at the top of the supporting base, the upper punch is connected with the sliding columns in a sliding manner, the pressing force-increasing mechanism is positioned in the supporting base and comprises a motor, a driving wheel, a driving connecting rod, a swinging arm, a driving arm, a lower cross beam and a fixed shaft, the fixed shaft and the motor are fixed in the supporting base, the output end of the motor is connected with the driving wheel, one end of the driving connecting rod is eccentrically and rotatably connected with the driving wheel, the other end of the driving connecting rod is respectively and rotatably connected with the swinging arm and the driving arm, the swinging arm is rotatably connected with the fixed shaft, the driving arm is rotatably connected with the lower cross beam, a long pull rod is fixed on the lower cross beam, the long pull rod vertically extends out of the supporting base to be connected with the upper punch, the pressing force-increasing mechanism for driving the upper punch to move is positioned in the supporting base at the bottom, the height of the powder forming machine can be greatly reduced, and the powder forming machine is convenient to place.

Description

Space-saving powder forming machine

Technical Field

The utility model relates to the technical field of powder forming machines, in particular to a space-saving powder forming machine.

Background

Powder forming, a process for compacting a metal powder body into a compact having a certain shape, size, density and strength, is one of the basic processes of powder metallurgy, and a powder forming machine is an important tool for extrusion molding of powder, thereby facilitating the subsequent processing of the whole body.

The existing powder forming machine generally comprises a frame, a hydraulic cylinder, an upper punch and a lower die, wherein the hydraulic cylinder is positioned at the top of the frame and connected with the upper punch, the lower die is fixed on the frame and is opposite to the upper punch, when powder is formed, the powder is placed on the lower die, and then the hydraulic cylinder is driven to drive the upper punch to be pressed down on the lower die, so that the powder is formed; however, in the powder forming machine, since the hydraulic cylinder is arranged at the top of the frame and the punching space is required to be reserved between the upper punch and the lower die, the height of the whole powder forming machine is finally too high, so that the powder forming machine has high requirements on the height of a place where the powder forming machine is placed, and the powder forming machine needs to climb to a high place for maintenance during maintenance, and cannot be maintained quickly and conveniently.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a space-saving powder forming machine, which is characterized in that a pressing force-increasing mechanism for driving an upper punch to move is placed in a supporting base at the bottom, so that the height of the powder forming machine can be greatly reduced, and the powder forming machine is convenient to place.

In order to achieve the purpose, the utility model provides the following technical scheme:

a space-saving powder forming machine comprises a frame, an upper punch, a lower die and a pressing force-increasing mechanism, wherein the frame comprises a plurality of sliding columns and a supporting base which are arranged up and down, the lower die is fixed on the top of the supporting base, the upper punch is positioned above the lower die and is in sliding connection with the sliding columns, the pressing force-increasing mechanism is positioned in the supporting base and comprises a motor, a driving wheel, a driving connecting rod, a swinging arm, a driving arm, a lower cross beam and a fixed shaft, the fixed shaft and the motor are both fixed in the supporting base, the output end of the motor is connected with the driving wheel, one end of the driving connecting rod is eccentrically and rotatably connected with the driving wheel, the other end of the driving connecting rod is respectively and rotatably connected with the swing arm and the driving arm, the swing arm is rotationally connected with the fixed shaft, the driving arm is rotationally connected with the lower cross beam, a long pull rod is fixed on the lower cross beam, and the long pull rod vertically extends out of the supporting base and is connected with the upper punch.

Further be provided with the guide post of vertical arrangement in the support base, be provided with the guiding hole that runs through on the bottom end rail, the guide post stretches into in the guiding hole.

And a first linear bearing is arranged between the guide post and the inner wall of the guide hole.

Further, a support frame is arranged between the upper punch and the plurality of sliding columns and between the upper punch and the long pull rod, the support frame is connected with the plurality of sliding columns in a sliding mode, the long pull rod is fixedly connected with the support frame, and the upper punch is detachably mounted on the support frame.

And furthermore, a plurality of sliding holes are formed in the support frame, the sliding column is positioned in the sliding holes, and a second linear bearing is arranged between the sliding column and the sliding holes.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the pressing force-increasing mechanism for driving the upper punch to move downwards is placed in the supporting base positioned below, so that the height of the powder forming machine can be greatly shortened, the requirement on the height of a placing place is lowered, and when the pressing force-increasing mechanism has a problem, the powder forming machine can be directly maintained in the supporting base without climbing to a high place for maintenance, and the maintenance safety is greatly improved;

(2) the pressing force increasing mechanism adopts a lever force increasing principle, can amplify the output force of the motor, realizes the purpose of outputting larger pressing force by adopting the motor with smaller power.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a front view of a space-saving powder forming machine;

FIG. 2 is a first schematic structural diagram of a pressing force-increasing mechanism;

fig. 3 is a schematic structural diagram of a pressing force-increasing mechanism.

Labeled as: 1. a support base; 2. a sliding post; 3. a lower die; 4. punching; 5. a support frame; 501. a second linear bearing; 601. a drive wheel; 602. a drive link; 603. swinging arms; 604. a drive arm; 605. a lower cross beam; 606. a fixed shaft; 607. a long pull rod; 608. a guide post; 609. a guide hole; 610. a first linear bearing.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.

A space-saving powder forming machine is shown in figure 1 and comprises a machine frame, an upper punch 4, a lower die 3 and a pressing force-increasing mechanism, wherein the machine frame comprises a plurality of sliding columns 2 and a supporting base 1, the sliding columns 2 are vertically arranged at the top of the supporting base 1, the lower die 3 is fixed at the center of the top of the supporting base 1, the upper punch 4 is positioned above the lower die 3 and is in sliding connection with the sliding columns 2, a driving space is arranged in the supporting base 1, the pressing force-increasing mechanism is positioned in the driving space and comprises a motor, a driving wheel 601, a driving connecting rod 602, a swing arm 603, a driving arm 604, a lower cross beam 605 and a fixing shaft 606, the fixing shaft 606 and the motor are positioned in the driving space and are fixedly connected with the supporting base 1, the output end of the motor is connected with the driving wheel 601, one end of the driving connecting rod 602 is eccentrically and rotatably connected with the driving wheel 601, the other end of the swing arm 603 is rotatably connected with one end of the swing arm 603 and one end of the driving arm 604, the other end of the swing arm 603 is rotatably connected with the fixed shaft 606, the other end of the driving arm 604 is rotatably connected with the lower cross beam 605, a long pull rod 607 is fixed on the lower cross beam 605, a driving through hole is arranged at the top of the supporting base 1 and communicated with a driving space, and the long pull rod 607 vertically penetrates through the driving through hole to extend out of the supporting base 1 and is connected with the upper punch 4.

According to the utility model, the pressing force-increasing mechanism for driving the upper punch 4 to move downwards is arranged in the supporting base 1 positioned below, so that the powder forming machine disclosed by the utility model can greatly shorten the height, the requirement on the height of a placing place is reduced, and when the pressing force-increasing mechanism has a problem, the pressing force-increasing mechanism can be directly maintained in the supporting base 1 without climbing to a high place for maintenance, and the maintenance safety is greatly improved;

the pressing force increasing mechanism adopts a lever force increasing principle, can amplify the output force of the motor, realizes that the motor with smaller power can output larger pressing force; during driving, the motor drives the driving wheel 601 to rotate, the driving wheel 601 drives the driving connecting rod 602 to swing, then the driving connecting rod 602 drives the swinging arm 603 and the driving arm 604 to move, because one end of the swinging arm 603 is fixed relative to the supporting base 1 and can only rotate, the driving arm 604 can only move up and down, the driving arm 604 drives the lower cross beam 605 and the long pull rod 607 to move up and down, and finally the upper punch 4 is driven to move, so that the product is pressed.

In this embodiment, as shown in fig. 3, a through guide hole 609 is provided on the lower cross beam 605, a vertically arranged guide post 608 is provided in the support base 1 in the driving space, one end of the guide post 608 is fixedly connected with the support base 1, and the other end of the guide post 608 extends into the guide hole 609 and is slidably connected with the lower cross beam 605; through setting up guiding hole 609 and guide post 608, further restrict the motion of lower beam 605, guarantee that lower beam 605 can only reciprocate, and then ensure the precision that long pull rod 607 drove upper punch 4 and push down.

In this embodiment, a first linear bearing 610 is preferably disposed between the guide post 608 and an inner wall of the guide hole 609, so that the guide post 608 and the lower beam 605 can slide more smoothly.

In this embodiment, preferably, as shown in fig. 1, a support frame 5 is disposed between the upper punch 4 and the plurality of sliding columns 2 and the long pull rod 607, the support frame 5 is slidably connected to the plurality of sliding columns 2, the long pull rod 607 is fixedly connected to the support frame 5, the upper punch 4 is detachably mounted on the support frame 5, when the upper punch 4 is worn or damaged after being used for a long time, the damaged upper punch 4 can be detached from the support frame 5 for maintenance or a new upper punch 4 is mounted on the support frame 5, and finally, the convenience in post-maintenance treatment is achieved.

In this embodiment, preferably, as shown in fig. 1, the support frame 5 is provided with a plurality of sliding holes, the sliding column 2 is located in the sliding holes, and a second linear bearing 501 is arranged between the sliding column 2 and the sliding holes, so that the sliding between the sliding column 2 and the support frame 5 is smoother, and the accuracy of the downward pressing motion of the upper punch 4 is ensured.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (5)

1. The utility model provides a powder forming machine of saving space, includes frame, upper punch, lower mould and suppression reinforcing means, its characterized in that: the frame includes a plurality of slip posts and the support base of arranging from top to bottom, the lower mould is fixed in and supports the base top, the upper punch is located the lower mould top and with a plurality of equal sliding connection of slip post, suppression reinforcement mechanism is located the support base and includes motor, drive wheel, drive connecting rod, swing arm, actuating arm, bottom end rail and fixed axle, fixed axle and motor all are fixed in and support the base in, the drive wheel is connected to the output of motor, drive connecting rod one end is connected with the eccentric rotation of drive wheel, and the other end rotates with swing arm and actuating arm respectively and is connected, the swing arm rotates with the fixed axle again and is connected, the actuating arm rotates with the bottom end rail again and is connected, be fixed with long pull rod on the bottom end rail, long pull rod vertically stretches out the support base and is connected with the upper punch.

2. A space-saving powder molding machine as defined in claim 1, wherein: the supporting base is internally provided with a vertically arranged guide post, the lower cross beam is provided with a through guide hole, and the guide post extends into the guide hole.

3. A space-saving powder molding machine as defined in claim 2, wherein: a first linear bearing is arranged between the guide post and the inner wall of the guide hole.

4. A space-saving powder molding machine as defined in claim 3, wherein: the support frame is arranged between the upper punch and the sliding columns and between the upper punch and the long pull rod, the support frame is connected with the sliding columns in a sliding mode, the long pull rod is fixedly connected with the support frame, and the upper punch is detachably mounted on the support frame.

5. A space-saving powder molding machine as defined in claim 4, wherein: the support frame is provided with a plurality of sliding holes, the sliding columns are located in the sliding holes, and second linear bearings are arranged between the sliding columns and the sliding holes.

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