CN217889497U

CN217889497U - Powder forming equipment

Info

Publication number: CN217889497U
Application number: CN202221947271.4U
Authority: CN
Inventors: 罗木华
Original assignee: Shenzhen Shanbai Intelligent Equipment Co ltd
Current assignee: Shenzhen Shanbai Intelligent Equipment Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-25
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a powder forming device, which relates to the powder processing field and comprises a bottom plate, wherein a die cavity with an opening at the top is arranged on the bottom plate; the powder supply mechanism is used for supplying powder into the die cavity, and the powder supply mechanism moves relative to the bottom plate after the powder is supplied into the die cavity, so that an opening in the top of the die cavity is sealed; the pressing mechanism comprises a power part and a punch, the power part is connected with the punch, the punch is matched with the side face of the die cavity, and the power part drives the punch to move towards the die cavity so as to press powder in the die cavity. The design can well realize side pressure on the workpiece needing the side pressure, and can well realize powder supply.

Description

Powder forming equipment

Technical Field

The utility model relates to a powder processing field, in particular to powder former.

Background

The powder metallurgy equipment commonly used in the market at present is vertical pressing, and a vertical pressing mode from top to bottom is adopted, so that the mode cannot meet the process requirements of some novel products. When the product needs to be pressed from two ends to the middle, the vertical press can not meet the production requirement in the aspects of powder supply and positioning.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a powder former aims at solving the suppression of some products that need transversely suppress.

In order to achieve the above object, the utility model provides a powder forming apparatus, powder forming apparatus includes:

the bottom plate is provided with a die cavity with an opening at the top;

the powder supply mechanism is used for supplying powder into the die cavity, and the powder supply mechanism moves relative to the bottom plate after the powder is supplied into the die cavity, so that the opening at the top of the die cavity is sealed;

the pressing mechanism comprises a power part and a punch, the power part is connected with the punch, the punch is matched with the side face of the die cavity, and the power part drives the punch to move towards the die cavity so as to press powder in the die cavity.

Optionally, supply powder mechanism to include the powder box and supply the powder pipe, supply the powder pipe set up in be used for on the powder box to the powder box supplies powder, the powder box orientation it has the aperture to open on the lateral wall of die cavity, the aperture be used for to the die cavity supplies powder.

Optionally, a thread is arranged on the powder supply pipe and used for connecting an external powder supply pipeline to quickly supply powder to the powder box.

Optionally, the powder supply mechanism further includes a first driving mechanism and a first connecting portion, the first driving mechanism is connected to the powder box through the first connecting portion, and the first driving mechanism is configured to drive the powder box to reciprocate from an original position to the opening at the top end of the mold cavity.

Optionally, the first connecting portion includes a lead screw, a lead screw nut seat, and a floating joint, the lead screw is inserted into the lead screw nut seat, one end of the lead screw is connected to the first driving mechanism, the other end of the lead screw is connected to the floating joint, and the floating joint is in contact with the powder box.

Optionally, the pressing mechanism includes a first pressing portion and a second pressing portion that are symmetrical to each other, the number of the punches is two, the two punches are respectively connected with the first pressing portion and the second pressing portion, and the punches are matched with two sides of the die cavity.

Optionally, a dropping groove is formed in the bottom plate corresponding to the punch, a dropping groove is formed in a path where the punch is matched with the die cavity, the punch can push the pressed powder to the dropping groove, and the workpiece is dropped from the dropping groove.

Optionally, the powder molding apparatus further includes a demolding cylinder fixed to the bottom plate, and the demolding cylinder is matched with the dropping groove to drop the workpiece from the dropping groove.

Optionally, the power part includes a second connecting part and a second driving mechanism, the punch and the second driving mechanism are connected through the second connecting part, and the second driving mechanism makes the punch reciprocate through the second connecting part.

Optionally, a pressure sensor is disposed on the second connecting portion, and the pressure sensor is configured to measure a pressure value in the mold cavity to control the second driving mechanism to move forward, backward, and stop.

The utility model discloses among the technical scheme, when this equipment began the operation, at first supplied the die cavity that powder mechanism set up on to the bottom plate to supply the powder, after supplying the powder to finish, supplied the relative bottom plate of powder mechanism to remove, the cover is on the opening of die cavity upper end, and pressing mechanism drives the drift by power portion and removes the drift to the die cavity this moment, the drift extrusion thereby the die cavity realizes the effect of suppression.

Drawings

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

FIG. 1 is a schematic structural diagram of an embodiment of the powder molding apparatus of the present invention;

FIG. 2 is a schematic structural view of a powder supply mechanism;

FIG. 3 is an enlarged view of a portion of the powder supply mechanism shown in FIG. 2;

FIG. 4 is a schematic structural view of a pressing mechanism;

fig. 5 is a schematic structural view of another view of the pressing mechanism.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Base plate	2	Powder supply mechanism
3	Pressing mechanism	21	Powder box
				22	Powder supply pipe	23	Small hole
24	First driving mechanism	25	First connecting part
				251	Screw rod	252	Screw nut seat
253	Floating joint	26	Working table
				27	Demoulding cylinder	31	A first pressing part
32	Second pressing part	33	Punch head
				34	Power unit	341	Second connecting part
342	Second driving mechanism	35	Pressure sensor
				28	Doffing groove

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

The powder metallurgy equipment commonly used in the market at present is vertical pressing, and adopts a vertical pressing mode from top to bottom, and the mode can not meet the process requirements of some novel products. When the product needs to be pressed from two ends to the middle, the vertical press can not meet the production requirement in the aspects of powder supply and positioning.

For the above reasons, the invention provides a powder molding apparatus comprising: the mold comprises a bottom plate 1, wherein a mold cavity with an opening at the top is arranged on the bottom plate 1; the powder supply mechanism 2 is used for supplying powder into the die cavity, and after the powder is supplied into the die cavity, the powder supply mechanism 2 moves relative to the bottom plate 1 so as to seal the opening at the top of the die cavity; the pressing mechanism 3 comprises a power part 34 and a punch 33, the power part 34 is connected with the punch 33, the punch 33 is matched with the side face of the die cavity, and the power part 34 drives the punch 33 to move towards the die cavity so as to press the powder in the die cavity.

It should be noted that the powder supply mechanism 2 has two functions, namely, supplying powder to the die cavity formed in the bottom plate 1, and moving the powder to the upper part of the die cavity when pressing the powder to block the opening at the top of the die cavity, so as to ensure smooth pressing. The pressing mechanism 3 may be pressed inward from one side of the mold cavity or from multiple sides, and may be adjusted according to actual conditions.

When the equipment starts to operate, the powder supplying mechanism 2 supplies powder to the die cavity arranged on the bottom plate 1, after the powder supplying is finished, the powder supplying mechanism 2 moves relative to the bottom plate 1 and covers the opening at the upper end of the die cavity, and at the moment, the pressing mechanism 3 drives the punch 33 to move to the die cavity through the power part 34, so that the pressing effect is realized.

Based on the above description, as shown in fig. 2, in this embodiment, the powder supplying mechanism includes a powder box 21 and a powder supplying pipe 22, the powder supplying pipe 22 is disposed on the powder box 21 for supplying powder to the powder box 21, a small hole 23 is opened on a side wall of the powder box 21 facing the mold cavity, and the small hole 23 is used for supplying powder to the mold cavity. The powder supply tube 22 facilitates the supply of the powder required by the exterior to the compact 21, when the powder enters the compact 21 and leaks out from the small hole 23 formed in the side wall of the compact, a slope is generally arranged between the compact 21 and the mold cavity, so that the powder can enter the mold cavity more conveniently, and if no slope is arranged, the powder can be pushed into the mold cavity by the compact 21 when the compact 21 moves to the mold cavity. A recess is also typically provided in the path of the compact as it moves into the cavity, which may help the compact 21 define an advancement path and may also hold the main compact 21 during pressing so that it does not move upward as the powder is pressed.

Based on the above description, according to fig. 2, in the present embodiment, the powder supply pipe 22 is provided with a thread, and the thread is used for connecting an external powder supply pipeline to quickly supply powder to the powder container 21. The screw thread design can be better with outside confession powder device rather than being connected, not only the leakproofness is good but also be difficult for droing.

Based on the above description, according to fig. 2, in this embodiment, the powder supplying mechanism 2 further includes a first driving mechanism 24 and a first connecting portion 25, the first driving mechanism 24 is connected to the powder container 21 through the first connecting portion 25, and the first driving mechanism 24 is configured to drive the powder container 21 to reciprocate from the original position to the opening at the top end of the cavity. In general, the first driving mechanism 24 is a servomotor, but other motors may be used as long as forward rotation and reverse rotation can be controlled. When the first driving mechanism 24 rotates forward, the first connecting portion 25 and the powder box 21 can be driven to move from the original positions to the opening at the top end of the cavity, and when the first driving mechanism 24 rotates backward, the first connecting portion 25 and the powder box 21 can be driven to move from the opening at the top end of the cavity to the original positions, so that reciprocating motion can realize pressing of a plurality of workpieces.

Based on the above description, according to fig. 2 and 3, in this embodiment, the first connecting portion 25 includes a lead screw 251, a lead screw nut seat 252, and a floating joint 253, the lead screw 251 is inserted into the lead screw nut seat 252, one end of the lead screw 251 is connected to the first driving mechanism 24, the other end of the lead screw 251 is connected to the floating joint 253, and the floating joint 253 is in contact with the powder box 21. The combination of the lead screw 251 and the lead screw nut seat 252 can change the rotation of the motor into a linear motion, and the floating joint 253 can provide a buffer for the connection of the lead screw 251 and the powder box 21.

Based on the above description, according to fig. 4, in the present embodiment, the pressing mechanism 3 includes a first pressing portion 31 and a second pressing portion 32 which are symmetrical to each other, two punches 33 are provided, the two punches 33 are respectively connected to the first pressing portion 31 and the second pressing portion 32, and the punches 33 are matched with both sides of the die cavity. The first pressed portion 31 and the second pressed portion 32, which are symmetrical to each other, are provided to allow the pressing force to be pressed from both sides for a better pressing effect.

Based on the above description, according to fig. 3, in the present embodiment, the bottom plate 1 is provided with the escape groove 28 corresponding to the punch 33, the escape groove 28 is provided on the path where the punch 33 is fitted to the die cavity, the punch 33 can push the pressed powder to the escape groove 28, and the work is escaped from the escape groove 28. It should be noted that in this embodiment, holes are generally provided on both sides of the die cavity to cooperate with the punches 33, so as to facilitate the removal of the workpiece from the release grooves 28 after the pressing. Here, the working path is that the first pressing portion 31 and the second pressing portion 32 press the powder to the cavity at the same time, and after the pressing is completed, the first pressing portion 31 moves backward and the second pressing portion 32 moves forward, and this state is maintained until above the releasing groove 28, and at this time, the bottom of the workpiece is not supported, and the workpiece falls down, and the releasing step is completed.

Based on the above description, according to fig. 3, in the present embodiment, the powder forming apparatus further includes a knockout cylinder 27, the knockout cylinder 27 is fixed to the base plate 1, and the knockout cylinder 27 cooperates with the knockout groove 28 to knockout the workpiece from the knockout groove 28. The situation that the workpiece is not completely fallen often occurs in the falling process, and the workpiece can be taken out only through manual intervention, so that the labor is consumed, and the machine is required to be stopped, so that the demoulding cylinder 27 arranged at the position can improve the demoulding success rate, and the efficiency of the whole machine is greatly improved.

Based on the above description, according to fig. 4, in the present embodiment, the power portion 34 includes the second connection portion 341 and the second driving mechanism 342, the punch 33 and the second driving mechanism 342 are connected through the second connection portion 341, and the second driving mechanism 342 reciprocates the punch 33 through the second connection portion 341. The second driving mechanism 342 drives the second connecting portion 341 to advance or retreat the punch 33 toward the die cavity, thereby achieving pressing of the powder in the die cavity.

Based on the above description, according to fig. 4, in the present embodiment, a pressure sensor 35 is disposed on the second connecting portion 341, and the pressure sensor 35 is configured to measure a pressure value in the mold cavity to control the advancing, retreating and stopping of the second driving mechanism 342. Different pressure values can be set according to different pressed workpieces, and after the pressure value reaches a preset value, the next action is taken.

The above is only the optional embodiment of the present invention, and not therefore the patent scope of the present invention is limited, all under the idea of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or directly or indirectly applied to other relevant technical fields, and all included in the patent protection scope of the present invention.

Claims

1. A powder molding apparatus, comprising:

the bottom plate is provided with a die cavity with an opening at the top;

the powder supply mechanism is used for supplying powder into the die cavity, and the powder supply mechanism moves relative to the bottom plate after the powder is supplied into the die cavity, so that an opening in the top of the die cavity is sealed;

2. The powder forming apparatus of claim 1, wherein the powder supply mechanism includes a powder container and a powder supply tube, the powder supply tube is disposed on the powder container for supplying powder to the powder container, and a small hole is formed on a side wall of the powder container facing the cavity, and the small hole is used for supplying powder to the cavity.

3. The powder molding apparatus of claim 2, wherein the powder supply tube has threads thereon for connecting an external powder supply conduit for rapidly supplying powder to the compact.

4. The powder forming apparatus of claim 2, wherein the powder supplying mechanism further comprises a first driving mechanism and a first connecting portion, the first driving mechanism is connected to the powder container through the first connecting portion, and the first driving mechanism is configured to drive the powder container to reciprocate from an original position to the opening at the top end of the molding cavity.

5. The powder forming apparatus according to claim 4, wherein the first connecting portion includes a lead screw, a lead screw nut holder, and a floating joint, the lead screw is inserted into the lead screw nut holder, one end of the lead screw is connected to the first driving mechanism, the other end of the lead screw is connected to the floating joint, and the floating joint is in contact with the powder container.

6. The powder molding apparatus according to claim 1, wherein said pressing mechanism includes a first pressing part and a second pressing part which are symmetrical to each other, and two punches are provided, respectively connected to said first pressing part and said second pressing part, and said punches are fitted to both sides of said cavity.

7. The powder molding apparatus as claimed in claim 1, wherein a falling groove is provided on said bottom plate corresponding to said punch in a path in which said punch cooperates with said cavity, said punch being capable of pushing the pressed powder toward said falling groove, and said work is released from said falling groove.

8. The powder molding apparatus of claim 7, further comprising a knockout cylinder secured to said base plate, said knockout cylinder cooperating with said knockout slot to eject a workpiece from said knockout slot.

9. The powder molding apparatus of claim 1, wherein said power section includes a second connecting section, a second driving mechanism, said punch and said second driving mechanism being connected through said second connecting section, said second driving mechanism reciprocating said punch through said second connecting section.

10. The powder molding apparatus of claim 9, wherein a pressure sensor is provided on the second connecting portion to measure a pressure value in the cavity to control the advancing, retreating, and stopping of the second driving mechanism.