CN218365414U - Take direct-drive formula powder forming press of 3R anchor clamps - Google Patents

Abstract

The utility model discloses a take direct drive formula powder forming press of 3R anchor clamps, including mainframe box, upper die mechanism and lower die mechanism, upper die mechanism includes that the mould directly drives formula DD motor, goes up the lead screw swivel nut, upward movable plate, upper punch plate, loading unit, goes up 3R anchor clamps and upper punch, and lower die mechanism includes that lower mould directly drives formula DD motor, lower lead screw swivel nut, lower punch deflector, fixed plate, female plate, lower mould guide pillar, lower 3R anchor clamps seat, lower 3R anchor clamps, master model and lower punch. The utility model discloses a direct drive formula DD motor drive goes up and down, has simplified the drive structure of press, has reduced height and volume. In addition, the upper punch and the lower punch are both installed and disassembled quickly by adopting a 3R clamp, the mandrel is driven by an electric cylinder to lift to realize position adjustment, and the loading unit is provided with an upper die mechanism, so that displacement errors can be avoided, and the precision is improved.

Description

Take direct-drive formula powder forming press of 3R anchor clamps

Technical Field

The utility model relates to a powder forming press technical field, more specifically say, relate to a take direct drive formula powder forming press of 3R anchor clamps.

Background

A powder compaction press is a device that compacts metal or ceramic powder into a product of a fixed shape, such as a block. However, the powder forming presses currently on the market suffer from the following drawbacks:

1. the upper die mechanism and the lower die mechanism of the powder forming press are basically driven to lift by adopting a common motor, an output shaft of the motor needs to stretch out and be connected with a screw rod through a coupler, the motor is an indirect connection mode, the height of a driving part of the press can be increased by the output shaft and the coupler of the motor, the size of the press is increased, a positioning error can be generated, the precision is reduced, the operation noise is large, and the assembly of the press is inconvenient.

2. The load cell is placed in the lower die mechanism, and when the dies are closed, the stressed load cell can generate a certain displacement error, so that the displacement of the grating detection female die is influenced, and the precision is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a take direct drive formula powder forming press of 3R anchor clamps.

In order to achieve the above object, the utility model provides a direct-drive powder forming press with a 3R clamp, which comprises a mainframe box, wherein the upper end part of the mainframe box is provided with an upper die mechanism, the lower end part of the mainframe box is provided with a lower die mechanism, the upper die mechanism comprises an upper die direct-drive DD motor without a rotary extension shaft, an upper screw rod barrel, an upper moving plate, an upper punching plate, a load cell, an upper 3R clamp and an upper punch, the upper die direct-drive DD motor is arranged at the top of the mainframe box, the upper end of the upper screw rod passes through a through hole at the top of the mainframe box and is directly connected with a mounting groove at the rotating part of the upper die direct-drive DD motor, the lower end part of the upper screw rod is in threaded connection with the upper screw rod barrel, the upper moving plate is arranged at the bottom of the upper screw rod barrel, the load cell is fixedly connected between the upper moving plate and the upper punching plate, the upper punch is arranged at the bottom of the upper punching plate through the upper 3R clamp, the lower die mechanism comprises a lower die direct drive DD motor without a rotary extension shaft, a lower screw rod barrel, a lower punch guide plate, a fixed plate, a female die plate, a lower die guide post, a lower 3R clamp seat, a lower 3R clamp, a female die and a lower punch, the lower die direct drive DD motor is arranged at the lower end part of the mainframe box, the lower end of the lower screw rod is directly connected with the mounting groove of the rotating part of the lower die direct drive DD motor, the upper end part of the lower screw rod is in threaded connection with the lower screw rod barrel, the lower punch guide plate is arranged at the top of the lower screw rod barrel, two ends of the fixed plate are fixedly connected with the mainframe box, the lower end of the lower die guide post is connected with the lower punch guide plate, the upper end of the lower die guide post penetrates through the fixed plate to be connected with the female die plate, the lower 3R clamp is arranged at the middle position of the top of the fixed plate through the lower 3R clamp seat, the lower 3R clamp is connected with the lower punch, the female die is installed at the top of the female die plate, and a forming through hole for the upper punch and the lower punch to insert is formed in the middle of the female die in a penetrating mode.

Preferably, the powder forming press further comprises an electric cylinder mounting plate, a mandrel lifting adjusting electric cylinder, an electric cylinder push plate, mandrel lifting cylinders, mandrel connecting rods and mandrels, wherein the electric cylinder mounting plate is mounted at the top of the lower punch guide plate, the mandrel lifting adjusting electric cylinders are provided with two parts and are respectively mounted on two sides of the electric cylinder mounting plate upwards, output rods of the two mandrel lifting adjusting electric cylinders are respectively connected with two sides of the electric cylinder push plate so as to drive the electric cylinder push plate to move up and down, the mandrel lifting cylinders are mounted at the middle position of the top of the electric cylinder push plate and are connected with the longitudinally arranged mandrels through the mandrel connecting rods penetrating through the fixing plate, and the mandrels upwards penetrate through the lower 3R clamp seat and the lower 3R clamp and then are inserted into a central hole of the lower punch.

Preferably, at least one upright post of the main case is provided with an upper punch detection grating for detecting the displacement of the upper punch plate.

Preferably, the four corners of the upper moving plate are respectively provided with an upper connecting block, and the upper connecting blocks are respectively connected with the four upright posts of the main case in a sliding manner through the respective corresponding upper linear guide rails.

Preferably, an upper punch guide post is arranged between the upper punch plate and the female die plate.

Preferably, at least one upright post of the main case is provided with an undershoot detection grating for detecting the displacement of the mother board.

Preferably, the four corners of the lower punch guide plate are respectively provided with a lower connecting block, and the lower connecting blocks are respectively connected with the four upright posts of the main case in a sliding manner through the lower linear guide rails corresponding to the lower connecting blocks.

Preferably, the powder molding press further comprises a powder feeding mechanism and a sliding plate, the sliding plate is positioned on the female die, the top of the female die is positioned in a through hole of the sliding plate, the powder feeding mechanism comprises a powder box and a powder box driving device, the powder box driving device is in transmission connection with the powder box and drives the powder box to horizontally move on the sliding plate, and a powder inlet of the powder box is connected with a powder feeding barrel through a material pipe.

Preferably, the powder inlet of powder box is located to be equipped with the powder box and connects, be equipped with the ooff valve between material pipe and the powder box connect, the both sides of ooff valve articulate respectively has the pothook, be equipped with the elastic component between pothook and the ooff valve, the pothook can connect the head looks joint with the powder box to make the ooff valve can connect the fast butt joint with the powder box.

Preferably, the powder box drive arrangement includes mounting bracket, powder box driving motor, speed reducer, send powder swing arm, swing arm support, powder box link and powder box down the air cylinder, powder box driving motor is connected with the lower extreme that send the powder swing arm through the speed reducer, the speed reducer is fixed at the mounting bracket, the upper end of sending the powder swing arm is articulated mutually with the middle part of swing arm support, swing arm support and powder box link set up to the bank down, the one end of powder box link and the one end fixed connection of swing arm support, the other end of powder box link is articulated mutually with the powder box, the air cylinder articulates on the mounting bracket under the powder box, the output lever head of air cylinder is articulated mutually with the other end of swing arm support under the powder box.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model has the advantages of reasonable design, going up mold machine and lower mold machine and all adopting and directly driving formula DD motor drive to go up and down, the one end disect insertion of lead screw directly drives the inside of formula DD motor and connects, need not through the coupling joint between formula DD motor and the lead screw directly, can realize that direct drive is rotatory, has simplified the drive structure of powder forming press, has reduced the height and the volume of powder forming press, and convenient equipment can reduce positioning error, improves the precision, and the noise is little.

2. The utility model discloses an upper punch and lower punch all adopt 3R anchor clamps to realize quick installation and dismantlement, and convenient operation conveniently changes the upper punch and the lower punch of different grade type, has improved efficiency.

3. The utility model discloses a load unit sets up the upper die mechanism (between movable plate and the upper punch plate promptly), and the displacement error that produces when can avoid setting up the lower die mechanism with the load unit has improved the precision.

4. The utility model discloses a plug can be gone up and down by plug lift adjustment electric cylinder drive and realize position control, and convenient operation has improved efficiency and precision.

5. The utility model discloses a send whitewashed mechanism's structure to simplify greatly, convenient operation need not to adopt the lead screw drive, can not take place to lead to the card to die or move the scheduling problem that is not smooth and easy because of the lead screw laying dust.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a direct-drive powder molding press with a 3R clamp according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a direct-drive powder molding press with a 3R clamp according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a main body of a direct-drive powder molding press provided by an embodiment of the present invention;

fig. 4 is a partial exploded view of a direct-drive powder molding press according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an upper die direct drive DD motor or a lower die direct drive DD motor provided by an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a powder feeding mechanism provided in the embodiment of the present invention;

fig. 7 is an enlarged view of a head structure of the powder feeding mechanism according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an embodiment of the present invention provides a direct-drive powder forming press with a 3R clamp, including a main chassis 1, an upper die mechanism is disposed at an upper end of the main chassis 1, and a lower die mechanism is disposed at a lower end of the main chassis 1.

The following describes each component of the present embodiment in detail with reference to the drawings.

As shown in fig. 1, 3 and 4, the upper die mechanism may include an upper die direct drive DD motor 2, an upper screw 3, an upper screw barrel 4, an upper moving plate 5, an upper punch plate 6, a load cell 7, an upper 3R clamp 8 and an upper punch 9, the upper die direct drive DD motor 2 is installed at the top of the main case 1, the upper die direct drive DD motor 2 does not have a rotary protruding shaft (see fig. 5), the upper end of the upper screw 3 passes through a top through hole of the main case 1 and then can be directly connected to an installation groove of a rotating portion of the upper die direct drive DD motor 2, the lower end of the upper screw 3 is in threaded connection with the upper screw barrel 4, the upper moving plate 5 is installed at a portion of the upper screw barrel 4, the load cell 7 is fixedly connected between the upper moving plate 5 and the upper punch 6, and the upper punch 9 is installed at the bottom of the upper punch plate 6 through the upper 3R clamp 8.

As shown in fig. 1, 3 and 4, the lower die mechanism may include a lower die direct drive DD motor 10 without a rotary protruding shaft, a lower lead screw 11, a lower lead screw barrel 12, a lower punch guide plate 13, an electric cylinder mounting plate 14, a core rod lifting adjusting electric cylinder 15, an electric cylinder push plate 16, a core rod lifting air cylinder 17, a core rod connecting rod 18, a core rod 19, a fixing plate 20, a mother plate 21, a lower die guide post 22, a lower 3R clamp seat 23, a lower 3R clamp 24, a mother plate 25 and a lower punch 26, the lower die direct drive DD motor 10 is mounted at a lower end portion of the main chassis 1, a lower end of the lower lead screw 11 is directly connected with a mounting groove of a rotating portion of the lower die direct drive DD motor 10, an upper end portion of the lower lead screw 11 is threadedly connected with the lower lead screw barrel 12, the lower punch guide plate 13 is mounted at the top of the lower lead screw barrel 12, the electric cylinder mounting plate 14 is mounted at the top of the lower punch guide plate 13, the two ends of the fixed plate 20 are fixedly connected with the mainframe box 1, the lower end of the lower die guide post 22 is connected with the lower punch guide plate 13, the upper end of the lower die guide post 22 is connected with the mother plate 21 by penetrating through the fixed plate 20, the mandrel lifting adjusting electric cylinder 15 is provided with two parts and is respectively installed on the two sides of the electric cylinder installation plate 14 upwards, the output rods of the two mandrel lifting adjusting electric cylinders 15 are respectively connected with the two sides of the electric cylinder push plate 16 so as to drive the electric cylinder push plate to move up and down, the mandrel lifting air cylinder 17 is installed at the middle position of the top of the electric cylinder push plate 16 and is connected with the longitudinally arranged mandrel 19 by the mandrel connecting rod 18 penetrating through the fixed plate 20, the lower 3R clamp 24 is installed at the middle position of the top of the fixed plate 20 by the lower 3R clamp seat 23, the lower 3R clamp 24 is connected with the lower punch 26, the mandrel 19 is inserted into the central hole of the lower punch 26 after penetrating through the lower 3R clamp seat 23 and the lower 3R clamp 24, the female die 25 is mounted on the top of the female die 21, and a forming through-hole 251 into which the upper punch 9 and the lower punch 26 are inserted penetrates up and down in the middle of the female die 25.

As shown in fig. 2, at least one of the columns of the main cabinet 1 is provided with an upper punch detection grating 27 for detecting the displacement of the upper punch plate 6. Preferably, at least one of the columns of the main cabinet 1 may be provided with a lower punch detection grating 31 for detecting the displacement of the mother board 21.

As shown in fig. 1 and 2, in order to enable the upper moving plate 5 to smoothly ascend and descend, prevent the upper moving plate 5 from deviating, and improve the guiding precision, four corners of the upper moving plate 5 may be respectively provided with upper connecting blocks, and the upper connecting blocks are respectively slidably connected with four columns of the main chassis 1 through respective corresponding upper linear guide rails 29. Similarly, the four corners of the lower punch guide plate may also be respectively provided with lower connecting blocks, and the lower connecting blocks are respectively connected with the four upright posts of the main chassis 1 through the respective corresponding lower linear guide rails 33 in a sliding manner.

As shown in fig. 3, an upper punch guide column 30 may be provided between the upper punch 6 and the female die plate 21, which facilitates the mold clamping operation, facilitates the accurate insertion of the upper punch 9 into the molding through hole 251 of the female die 25, and improves the accuracy.

As a further improvement of this embodiment, as shown in fig. 1 and fig. 6, the powder molding press may further include a powder feeding mechanism and a sliding plate 34, the sliding plate 34 is located on the female die 25, the top of the female die 25 is located in a through hole of the sliding plate 34, the powder feeding mechanism includes a powder box 35 and a powder box driving device, the powder box driving device is in transmission connection with the powder box 35 and can drive the powder box 35 to horizontally move on the sliding plate 34, and a powder inlet of the powder box 35 is connected to a powder feeding barrel 37 through a material pipe 36. Wherein the powder feeding barrel 37 is used for storing powder.

As shown in fig. 7, a powder inlet of the powder container 35 is provided with a container connector 38, a switch valve 39 with a switch knob is provided between the material tube 35 and the container connector 38, and the switch valve 39 can be opened or closed, so as to control the passage of the powder and the amount of the powder.

In order to facilitate quick installation and disassembly of the switch valve 39, hooks 40 may be hinged to two sides of the switch valve 39, and an elastic member 41 (e.g., an elastic sheet or a spring) is disposed between the hooks 40 and the switch valve 39. When the quick-opening powder box is installed, the clamping hook 40 can be clamped with the head of the powder box connector 38, so that the switch valve 39 can be quickly butted with the powder box connector 38. When the hook is detached, the free end of the hook 40 is pressed.

Specifically, the powder box driving device may include an installation frame 42, a powder box driving motor 43, a speed reducer 44, a powder feeding swing arm 45, a swing arm support 46, a Y-shaped powder box connecting frame 47 and a powder box pushing cylinder 48, the powder box driving motor 43 is connected with the lower end of the powder feeding swing arm 45 through the speed reducer 44, the speed reducer 44 is fixed on the installation frame 42, the upper end of the powder feeding swing arm 45 is hinged to the middle of the swing arm support 46, the swing arm support 46 and the powder box connecting frame 47 are arranged to incline downwards, one end of the powder box connecting frame 47 is fixedly connected to one end of the swing arm support 46, the other end of the powder box connecting frame 47 is hinged to the powder box, the powder box pushing cylinder 48 is hinged to the installation frame 42, and the head of an output rod of the powder box pushing cylinder 48 is hinged to the other end of the swing arm support 46. During powder feeding, the powder box driving motor 43 can drive the powder feeding swing arm 45 to swing, so as to push the powder box 35 to move on the sliding plate 34 through the swing arm bracket 46 and the powder box connecting bracket 47. After the output rod of the powder box pressing air cylinder 48 extends out, a downward pressure can be applied to the powder box 35, so that the powder box 35 is tightly attached to the sliding plate 34, and powder leakage is prevented.

The utility model discloses a powder forming press has following advantage:

1. the upper die mechanism and the lower die mechanism are driven to lift by the direct-drive type DD motor, one end of the screw rod is directly inserted into the direct-drive type DD motor to be connected, the direct-drive type DD motor and the screw rod are not required to be connected through a coupler, direct-drive rotation can be achieved, the driving structure of the powder forming press is simplified, the height and the size of the powder forming press are reduced, assembly is convenient, positioning errors can be reduced, the precision is improved, and the noise is low.

2. The mandrel can be driven by the mandrel lifting adjusting electric cylinder to lift to realize position adjustment, the operation is convenient, and the efficiency and the precision are improved.

3. The upper punch and the lower punch are both installed and detached quickly by adopting the 3R clamp, operation is convenient, the upper punch and the lower punch of different types are replaced conveniently, and efficiency is improved.

4. The load cell is provided with the upper die mechanism, so that the displacement error generated when the load cell is arranged on the lower die mechanism can be avoided (namely, when the load cell is arranged on the lower die mechanism, the displacement error generated after the load cell is pressed can influence the detection of the lower punch detection grating on the mother plate and the mother plate), and the precision is improved.

5. The structure of the powder feeding mechanism is greatly simplified, the operation is convenient, the screw rod driving is not needed, and the problems of blockage or unsmooth operation and the like caused by dust accumulation of the screw rod can be avoided.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (8)

1. The utility model provides a take direct-drive formula powder forming press of 3R anchor clamps, includes the mainframe box, the upper end position of mainframe box is equipped with upper die mechanism, the lower extreme position of mainframe box is equipped with lower die mechanism, its characterized in that: the upper die mechanism comprises an upper die direct drive type DD motor without a rotary extension shaft, an upper screw rod thread sleeve, an upper moving plate, an upper punching plate, a load cell, an upper 3R clamp and an upper punch, the upper die direct drive type DD motor is arranged at the top of a mainframe box, the upper end of the upper screw rod passes through a through hole at the top of the mainframe box and is directly connected with a mounting groove at the rotating part of the upper die direct drive type DD motor, the lower end part of the upper screw rod is in threaded connection with the upper screw rod thread sleeve, the upper moving plate is arranged at the bottom of the upper screw rod thread sleeve, the load cell is fixedly connected between the upper moving plate and the upper punching plate, the upper punch is arranged at the bottom of the upper punching plate through the upper 3R clamp, the lower die mechanism comprises a lower die direct drive type DD motor without a rotary extension shaft, a lower screw rod thread sleeve, a lower punch guide plate, a fixed plate, a female die plate, a lower die guide pillar, a lower die clamp seat, a lower 3R clamp, a female die and a lower punch, the lower die direct drive type DD motor is installed at the lower end of a mainframe box, the lower end of a lower lead screw is directly connected with an installation groove of a rotating part of the lower die direct drive type DD motor, the upper end of the lower lead screw is in threaded connection with a lower lead screw thread sleeve, a lower punch guide plate is installed at the top of the lower lead screw thread sleeve, two ends of a fixing plate are fixedly connected with the mainframe box, the lower end of a lower die guide pillar is connected with the lower punch guide plate, the upper end of the lower die guide pillar is connected with a mother template after penetrating through the fixing plate, a lower 3R clamp is installed at the middle position of the top of the fixing plate through a lower 3R clamp seat, the lower 3R clamp is connected with a lower punch, the mother template is installed at the top of the mother template, and a forming through hole for the upper punch and the lower punch to be inserted into is penetrated through the middle part of the mother template.

2. The direct drive powder forming press with 3R clamp of claim 1, wherein: still include electric jar mounting panel, plug lift adjustment electric jar, electric jar push pedal, plug lift cylinder, plug connecting rod and plug, the top at the punch deflector is installed to the electric jar mounting panel, the plug lift adjustment electric jar is provided with two and installs the both sides at the electric jar mounting panel up respectively, thereby the output rod of two plug lift adjustment electric jars is connected with the both sides position of electric jar push pedal respectively and drives the electric jar push pedal and reciprocate, thereby plug lift cylinder is installed in the top intermediate position department of electric jar push pedal and is connected with the plug of vertical setting through the plug connecting rod of wearing out the fixed plate, the plug upwards passes 3R anchor clamps seat down and inserts behind the 3R anchor clamps and arranges in the centre bore of lower punch.

3. The direct drive powder compaction press with the 3R clamp of claim 1, wherein: and at least one upright post of the mainframe box is provided with an upper punch detection grating for detecting the displacement of the upper punch plate.

4. The direct drive powder forming press with 3R clamp of claim 1, wherein: four corners of the upper moving plate are respectively provided with an upper connecting block, and the upper connecting blocks are respectively connected with four upright posts of the mainframe box in a sliding manner through respective corresponding upper linear guide rails.

5. The direct drive powder forming press with 3R clamp of claim 1, wherein: an upper punch guide post is arranged between the upper punch plate and the female die plate.

6. The direct drive powder compaction press with the 3R clamp of claim 1, wherein: and at least one upright post of the mainframe box is provided with a lower punch detection grating for detecting the displacement of the mother board.

7. The direct drive powder forming press with 3R clamp of claim 1, wherein: and the four corners of the lower punch guide plate are respectively provided with lower connecting blocks, and the lower connecting blocks are respectively connected with the four upright posts of the mainframe box in a sliding manner through the lower linear guide rails which respectively correspond to the lower connecting blocks.

8. The direct drive powder forming press with a 3R clamp according to any one of claims 1 to 7, wherein: the powder feeding mechanism comprises a powder box and a powder box driving device, the powder box driving device is connected with the powder box in a transmission mode and drives the powder box to horizontally move on the sliding plate, and a powder inlet of the powder box is connected with a powder feeding barrel through a material pipe.

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