CN215551105U

CN215551105U - Clutch type double-screw press

Info

Publication number: CN215551105U
Application number: CN202121733333.7U
Authority: CN
Inventors: 宋文超
Original assignee: Qingdao Wantai Machine Tool Technology Co ltd
Current assignee: Qingdao Wantai Machine Tool Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-18
Anticipated expiration: 2031-07-28

Abstract

The utility model is suitable for the technical field of presses, and provides a clutch type double-screw press which comprises a device base, wherein the top of the device base is fixedly connected with a connecting frame, threaded lead screws rotatably and vertically penetrate through the inside of the connecting frame, the threaded lead screws are arranged in two groups, the surface of each group of threaded lead screws is in threaded connection with a lead screw sleeve, the surface of each lead screw sleeve is vertically provided with a connecting rod, and the bottom end of each connecting rod is fixedly connected with a connecting plate. This clutch formula double-screw press through the twin-screw extrusion, the extrusion power is bigger, can not break easily after the shaping, and cassette and running gear break away from the back, and the connecting plate can up move a bit through reset spring's elastic deformation, after cassette once more with the running gear block, can make the connecting plate descend once more to can reduce the screw rod stroke, can reciprocate to extrude, can be with the better clot of powder through reciprocal extrusion.

Description

Clutch type double-screw press

Technical Field

The utility model belongs to the technical field of presses, and particularly relates to a clutch type double-screw press.

Background

The press machine is a universal press machine with exquisite structure, has the characteristics of wide application, high production efficiency and the like, can be widely applied to the processes of cutting, punching, blanking, bending, riveting, forming and the like, can be used for processing parts by applying strong pressure on metal blanks to enable metal to generate plastic deformation and fracture, and can be used for driving a large belt pulley (which is also used as a flywheel generally) by a motor through a triangle belt and driving a crank-slider mechanism through a gear pair and a clutch when the mechanical press machine works so as to enable a slider and a male die to go down linearly.

The existing press is usually driven by a single screw, when powder is extruded into blocks, the formed blocks are easy to be cracked again due to insufficient extrusion intensity, and the reciprocating extrusion speed is slow due to long stroke of the screw, so that the effect of clotting is difficult to play.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clutch type double-screw press, which aims to solve the problems that the conventional press is usually driven by a single screw, the formed block is easy to crack again due to insufficient extrusion force when powder is extruded into the block, and the speed is low during reciprocating extrusion due to long stroke of the screw, so that the agglomeration is difficult to generate.

The utility model is realized in such a way, the clutch type double-screw press comprises a device base, wherein the top of the device base is fixedly connected with a connecting frame, the inside of the connecting frame is rotatably and vertically provided with a threaded lead screw in a penetrating way, the threaded lead screw is provided with two groups, the surface of each group of threaded lead screws is in threaded connection with a lead screw sleeve, the surface of each lead screw sleeve is vertically provided with a connecting rod, the bottom end of each connecting rod is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with an extrusion plate, the bottom of the inner cavity of the device base is fixedly connected with a placing mould, the top of the connecting frame is slidably and transversely provided with a movable plate, the inside of the movable plate is rotatably and vertically provided with a rotating rod in a penetrating way, the top of the movable plate is provided with a first motor capable of driving the rotating rod to rotate, and the bottom of the movable plate is rotatably provided with a clamping seat, the screw rod sleeve is characterized in that the clamping seats are provided with two groups, the top of one group of clamping seat is fixedly connected with the rotating rod, and the top of the screw rod sleeve is provided with a rotating gear matched with the clamping seat in size.

Preferably, the top of the connected frame is fixedly connected with a limiting frame, the inner side of the limiting frame is vertically provided with a slide way, and the slide way is slidably provided with a slide block fixedly connected with the movable plate.

Preferably, rack plates are vertically arranged on two sides of the bottom of the moving plate, a second motor is fixedly connected to the inner wall of the limiting frame, a meshing gear is fixedly connected to an output shaft of the second motor, and the meshing gear is meshed with the racks.

Preferably, the top of each clamping seat is fixedly connected with a belt pulley, and the two groups of belt pulleys are connected through belt transmission.

Preferably, the top of the inner cavity of the connecting frame is vertically provided with a limiting cylinder, a limiting rod vertically penetrates through the limiting cylinder in a slidable mode, the bottom of the limiting rod is fixedly connected with the connecting plate, and the top of the connecting plate is fixedly connected with a reset spring fixedly connected with the top of the inner cavity of the connecting frame.

Preferably, a control box is arranged on the outer side of the base of the device and is electrically connected with the first motor and the second motor.

Compared with the prior art, the utility model has the beneficial effects that: the clutch type double-screw press is provided with the first motor which can drive the rotating rod to rotate when in work, when the rotating rod rotates, the clamping seat is driven to rotate, when the clamping seat rotates, the screw rod sleeve is driven to rotate through the rotating gear, when the screw rod sleeve rotates, the screw rod sleeve is driven to descend through the threads, and when the screw rod sleeve descends, the extrusion plate is driven to descend through the connecting plate, so that the powder placed in the die can be extruded into blocks, because the extrusion force is larger through the extrusion of the double screw rods, the extrusion force cannot be easily broken after the extrusion molding, and after the clamping seat is separated from the rotating gear, the connecting plate can move upwards a little bit through the elastic deformation of the return spring, when the clamping seat is clamped with the rotating gear again, the connecting plate can descend again, thereby, the screw stroke can be reduced, reciprocating extrusion can be carried out, and the powder can be better agglomerated through the reciprocating extrusion.

Drawings

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

FIG. 2 is a schematic top view of the construction of the rotary gear of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1-device base, 2-connecting frame, 3-threaded screw rod, 4-screw rod sleeve, 5-connecting rod, 6-connecting plate, 7-extrusion plate, 8-placing mould, 9-moving plate, 10-rotating rod, 11-first motor, 12-clamping seat, 13-rotating gear, 14-rack plate, 15-second motor, 16-meshing gear, 17-limiting frame, 18-sliding block, 19-belt pulley, 20-limiting cylinder, 21-limiting rod and 22-reset spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a clutch formula double screw press, includes device base 1, and the top fixedly connected with link 2 of device base 1, the link 2 of setting can play the effect of connecting.

The inside of link 2 rotationally vertically runs through and is provided with screw lead screw 3, and screw lead screw 3 is provided with two sets ofly, and the equal threaded connection in surface of every screw lead screw 3 has lead screw cover 4, and the screw lead screw 3 that sets up can drive lead screw cover 4 through the screw thread and remove when rotating, because screw lead screw 3 is provided with two sets ofly, can constitute double-screw mechanism.

The vertical connecting rod 5 that is provided with in surface of lead screw cover 4, the bottom fixedly connected with connecting plate 6 of connecting rod 5, the connecting rod 5 and the connecting plate 6 of setting all play fixed effect, the bottom fixedly connected with stripper plate 7 of connecting plate 6, the bottom fixedly connected with of device base 1 inner chamber places mould 8, the stripper plate 7 of setting can be when connecting plate 6 moves down will place the inside powder extrusion of mould 8 to with the powder clot.

The top of the connecting frame 2 is transversely provided with a movable plate 9 in a sliding manner, the inside of the movable plate 9 vertically penetrates through a rotating rod 10 in a rotating manner, the top of the movable plate 9 is provided with a first motor 11 capable of driving the rotating rod 10 to rotate, and the rotating rod 10 can be driven to rotate by the first motor 11 when the movable plate works.

The bottom of the moving plate 9 is rotatably provided with two clamping seats 12, the clamping seats 12 are provided with two groups, the top of one group of clamping seats 12 is fixedly connected with the rotating rod 10, and the top of the screw rod sleeve 4 is provided with a rotating gear 13 matched with the clamping seats 12 in size.

The dwang 10 that sets up will drive cassette 12 and rotate when rotating, will drive lead screw cover 4 through rotating gear 13 and rotate when cassette 12 rotates, thereby utilize the rotation of lead screw cover 4 can be with the powder clot, because rotating gear 13 sets up for the snap-on with cassette 12, can avoid cassette 12 to drive rotating gear 13 to rotate after making rotating gear 13 break away from with cassette 12, thereby form separation and reunion formula mechanism, can make 4 discontinuous rotations of lead screw cover when the interrupted joint, make connecting plate 6 extrusion that can reciprocate, make the powder more firm when the clot.

Further, the top of the connecting frame 2 is fixedly connected with a limiting frame 17, the inner side of the limiting frame 17 is vertically provided with a slide way, and a slide block 18 fixedly connected with the moving plate 9 is slidably arranged inside the slide way.

In this embodiment, the limiting frame 17 is provided to support the moving plate 9, and the slide rail is provided to slide the slider 18 inside the limiting frame to limit the moving plate 9.

Further, rack plates 14 are vertically arranged on two sides of the bottom of the moving plate 9, a second motor 15 is fixedly connected to the inner wall of the limiting frame 17, a meshing gear 16 is fixedly connected to an output shaft of the second motor 15, and the meshing gear 16 is meshed with the rack plates 14.

In this embodiment, the second motor 15 is arranged to rotate the engaging gear 16 when operating, and to move the rack plate 14 when the engaging gear 16 rotates, so that the moving plate 9 is moved by the movement of the rack plate 14.

Further, the top of each group of clamping seats 12 is fixedly connected with a belt pulley 19, and the two groups of belt pulleys 19 are connected through a belt in a transmission manner.

In this embodiment, the belt pulley 19 can rotate the two sets of clamping seats 12 synchronously, so as to form a double-screw mechanism, improve the extrusion force and stabilize the powder after the coagulation.

Further, the top of the inner cavity of the connecting frame 2 is vertically provided with a limiting cylinder 20, the limiting cylinder 20 vertically penetrates through the limiting rod 21 in the sliding direction, the bottom of the limiting rod 21 is fixedly connected with the connecting plate 6, and the top of the connecting plate 6 is fixedly connected with a reset spring 22 fixedly connected with the top of the inner cavity of the connecting frame 2.

In this embodiment, the limiting barrel 20 and the limiting rod 21 can limit the position, and the limiting rod 21 can make the connecting plate 6 move upwards by elastic deformation of itself after the rotating gear 13 is in contact with and clamped with the clamping seat 12, so as to extrude when the rotating gear is clamped again, shorten the stroke of the screw rod and facilitate reciprocating extrusion.

Further, a control box is arranged on the outer side of the device base 1, and the control box is electrically connected with the first motor 11 and the second motor 15.

In this embodiment, a control box is provided to facilitate the control of the first motor 11 and the second motor 15 by an operator.

The working principle and the using process of the utility model are as follows: when powder is required to be extruded, the powder is firstly placed in the placing die 8, then the control box is utilized to start the second motor 15, when the second motor 15 is started, the meshing gear 16 is driven to rotate, when the meshing gear 16 rotates, the moving plate 9 is driven to descend, when the moving plate 9 descends, the rotating gear 13 is clamped with the clamping seat 12, when the rotating gear 13 is clamped with the clamping seat 12, the first motor 11 is started, when the first motor 11 works, the rotating rod 10 is driven to rotate, when the rotating rod 10 rotates, the clamping seat 12 is driven to rotate, when the clamping seat 12 rotates, the rotating gear 13 is driven to rotate by the clamping seat 12, when the rotating gear 13 rotates, the screw rod sleeve 4 is driven to rotate, when the screw rod sleeve 4 rotates, the screw rod sleeve 4 descends through threads, when the screw rod sleeve 4 descends through the connecting rod 5 and the connecting plate 6, the extruding plate 7 descends, the powder placed inside the placing die 8 can be extruded into a clot by descending the extrusion plate 7, when reciprocating extrusion is needed, the moving plate 9 can be driven to ascend by reversing the meshing gear 16, so that the rotating gear 13 is separated from the clamping seat 12, then the extrusion plate 7 is reset by elastic deformation of the reset spring 22, and reciprocating extrusion can be performed after the rotating gear 13 is clamped with the clamping seat 12 again.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a clutch formula double screw press which characterized in that: comprises a device base (1), the top of the device base (1) is fixedly connected with a connecting frame (2), the inside of the connecting frame (2) is rotatably and vertically provided with a threaded lead screw (3) in a penetrating way, the threaded lead screw (3) is provided with two groups, each group of the threaded lead screw (3) is provided with a lead screw sleeve (4) in a threaded way, the surface of the lead screw sleeve (4) is vertically provided with a connecting rod (5), the bottom of the connecting rod (5) is fixedly connected with a connecting plate (6), the bottom of the connecting plate (6) is fixedly connected with an extrusion plate (7), the bottom of the inner cavity of the device base (1) is fixedly connected with a placing mold (8), the top of the connecting frame (2) is slidably and horizontally provided with a movable plate (9), the inside of the movable plate (9) is rotatably and vertically provided with a rotating rod (10) in a penetrating way, the top of movable plate (9) is provided with and drives dwang (10) pivoted first motor (11), the bottom of movable plate (9) rotationally is provided with cassette (12), cassette (12) are provided with two sets ofly, one of them is a set of the top of cassette (12) with dwang (10) fixed connection, the top of lead screw cover (4) be provided with running gear (13) of cassette (12) size looks adaptation.

2. A clutched twin screw press as claimed in claim 1, wherein: the top fixedly connected with spacing (17) of link (2), the inboard vertical slide of having seted up of spacing (17), and the inside slidable of slide be provided with movable plate (9) fixed connection's slider (18).

3. A clutched twin screw press as claimed in claim 2, wherein: the rack plate (14) is vertically arranged on each of two sides of the bottom of the moving plate (9), the second motor (15) is fixedly connected to the inner wall of the limiting frame (17), the meshed gear (16) is fixedly connected to the output shaft of the second motor (15), and the meshed gear (16) is meshed with the rack plate (14) and connected.

4. A clutched twin screw press as claimed in claim 1, wherein: the top of each group of the clamping seat (12) is fixedly connected with a belt pulley (19), and the two groups of the belt pulleys (19) are connected through belt transmission.

5. A clutched twin screw press as claimed in claim 1, wherein: the top of link (2) inner chamber is vertical to be provided with a spacing section of thick bamboo (20), the vertical gag lever post (21) that runs through of inside slidable ground of a spacing section of thick bamboo (20), the bottom of gag lever post (21) with connecting plate (6) fixed connection, the top fixedly connected with of connecting plate (6) with link (2) inner chamber top fixed connection's reset spring (22).

6. A clutched twin screw press as claimed in claim 1, wherein: the device is characterized in that a control box is arranged on the outer side of the device base (1), and the control box is electrically connected with the first motor (11) and the second motor (15).