CN217831848U

CN217831848U - Pressing die for powder metallurgy

Info

Publication number: CN217831848U
Application number: CN202220401596.6U
Authority: CN
Inventors: 汪立彬
Original assignee: Suzhou Weichuang Special Precision Machinery Co ltd
Current assignee: Suzhou Weichuang Special Precision Machinery Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-11-18
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a compacting tool set for powder metallurgy, which relates to the technical field of compacting tools and comprises an L-shaped inverted plate, a mould taking unit and a compacting unit; a hollow plate is arranged in the middle of the front end of the L-shaped inverted plate; the mould taking unit contains a metallurgical square cylinder, the heater strip, the last hole post, the forming bottom plate, shaping frid and jam plate nut, the mid-mounting of well hollow plate has a metallurgical square cylinder, threaded groove has all been seted up to the inside at both ends about the metallurgical square cylinder, threaded groove's internally mounted has the heater strip, six last hole posts are sliding connection both ends about the metallurgical square cylinder respectively, the lower extreme of six last hole posts is connected both ends about the forming bottom plate respectively, the lower extreme of shaping frid passes through the jam plate screw rod and pegs graft in the upper end of forming bottom plate, this a compacting die for powder metallurgy, not only can carry out thermoforming to metal powder etc. in to the mould, can also change the mould, make it adaptability stronger, it is also more convenient when the mould taking.

Description

Pressing die for powder metallurgy

Technical Field

The utility model relates to a embossing mold utensil technical field specifically is a embossing mold utensil for powder metallurgy.

Background

Powder metallurgy is a process technology for preparing metal powder or taking the metal powder as a raw material to manufacture metal materials, composite materials and various products through forming and sintering, and the existing metallurgy pressing die is not convenient enough when in use.

The patent with publication number CN104368809B in the prior art discloses a powder metallurgy pressing die for a power output shaft, which comprises an upper die, a lower die and a middle die arranged between the upper die and the lower die, wherein metal powder for forming the power output shaft is filled in a die cavity of the middle die, the upper die comprises an upper guide sleeve with a square port at one end and a pressing rod matched with a square through hole axially arranged at the axis of the upper guide sleeve, and one end of the upper guide sleeve is matched with the upper end of the die cavity of the middle die; the lower die comprises a lower guide sleeve and an ejector rod, wherein four long grooves are axially and uniformly distributed on the circumferential wall of a port at one end of the lower guide sleeve, the ejector rod is matched with a round hole axially arranged at the axle center of the lower guide sleeve, and one end of the lower guide sleeve is matched with the lower end of a die cavity of the middle die.

The die can only be used for producing and molding specific products, and the die can not be conveniently taken out and replaced, so that the die is suitable for metallurgical production of more products.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a embossing mold utensil for powder metallurgy, not only can carry out thermoforming to the mould to metal powder etc. in, can also change the mould, make it adaptability stronger, also more convenient when the delivery, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pressing die for powder metallurgy comprises an L-shaped inverted plate, a die taking unit and a pressing unit;

l-shaped plate reversing: a hollow plate is arranged in the middle of the front end;

a module taking unit: the heating device comprises a metallurgical square barrel, heating wires, upper hole columns, a forming bottom plate, a forming groove plate and locking plate nuts, wherein the metallurgical square barrel is arranged in the middle of a hollow plate, thread grooves are formed in the left end and the right end of the metallurgical square barrel, the heating wires are arranged in the thread grooves, the six upper hole columns are respectively connected to the left end and the right end of the metallurgical square barrel in a sliding mode, the lower ends of the six upper hole columns are respectively connected to the left end and the right end of the forming bottom plate, the lower end of the forming groove plate is inserted into the upper end of the forming bottom plate through locking plate screws, and the lower ends of the locking plate screws are in threaded connection with the locking plate nuts; through the work of heater strip, can heat metal powder etc. in the metallurgical square tube, make it change into liquid convenient shaping, utilize the locking of jam plate nut, removable shaping frid, and then reach and change the mould, smelt different products.

A pressing unit: is arranged at the upper end of the L-shaped inverted plate.

Furthermore, the mould taking unit further comprises perforated rods and connecting rod strips, the two perforated rods are respectively connected to the upper ends of the upper hole columns on the left side and the right side in a penetrating mode, and the front ends of the two perforated rods are connected through the connecting rod strips. Through the handle of pulling connecting rod front end, make two perforating rods slide and pull out, pull out the back, under the natural state, go up the hole post and move down, and then shaping bottom plate and shaping frid and metallurgical square tube separation, after the separation, can manually take out convenient and fast with the product of shaping on the shaping frid.

Furthermore, the pressing unit comprises a pressing screw, a forming pressing plate and a threaded toothed ring, the pressing screw is in threaded connection with the middle of the upper end of the L-shaped inverted plate, the lower end of the pressing screw is connected with the forming pressing plate in a rotating mode, the lower end of the threaded toothed ring is connected with the upper end of the L-shaped inverted plate in a rotating mode, and the middle of the threaded toothed ring is in threaded connection with the pressing screw. The screw rod can be driven to rotate through the rotation of the threaded toothed ring, so that the forming pressing plate can move up and down, and the liquid metal in the metallurgical square barrel can be pressed under the guidance of the metallurgical square barrel, so that the forming of the metallurgical square barrel is facilitated.

Furthermore, the pressing unit further comprises a pressing motor and a transmission chain, the pressing motor is installed on the rear side of the upper end of the L-shaped inverted plate, an output shaft of the pressing motor is connected with a driving gear, and the driving gear is in transmission connection with the threaded toothed ring through the transmission chain. The rotation of the pressing motor is utilized, the pressing screw can be rotated through the transmission chain, and better conditions are provided for the forming of products.

Further, still include the buffer board, the buffer board is installed to the lower extreme of L type back plate. When the punch is pulled out by the buffer plate during forming, the forming bottom plate is more stable after falling.

Furthermore, the buffer plate further comprises supporting short columns, and the four corners of the lower end of the buffer plate are provided with the supporting short columns. The four supporting short columns can be used for supporting the pressing die well.

Compared with the prior art, the beneficial effects of the utility model are that: the compacting die for powder metallurgy has the following advantages:

1. this a embossing mold utensil for powder metallurgy is equipped with the delivery unit, through the work of heater strip, can heat metal powder etc. in the metallurgical square tube, makes it change the liquid convenient shaping into, utilizes the locking of jam plate nut, removable shaping frid, and then reaches the change mould, smelts different products.

2. This a get mould unit that is used for powder metallurgy's embossing mold utensil to be equipped with, through the handle of pulling connecting rod strip front end, can make the perforating rod slide, after metallurgical press forming, the handle of pulling connecting rod strip front end makes two perforating rods slide and pull out, and after pulling out, under the natural state, the upper aperture post moves down, and then forming bottom plate and forming groove plate and metallurgical square tube separation, after the separation, can manually take out the product of shaping on forming groove plate, convenient and fast.

3. This a embossing mold utensil for powder metallurgy is equipped with the suppression unit, through the rotation of screw thread ring gear, can make the screw rod that pushes down rotate, makes the shaping clamp plate reciprocate, under the direction of metallurgical square tube, can suppress inside liquid metal, makes things convenient for its shaping.

Drawings

Fig. 1 is a left side schematic view of the present invention;

fig. 2 is a schematic diagram of the front side cross-sectional structure of the present invention.

In the figure: 1L type inverted plate, 2 hollow plate, 3 mould taking unit, 31 metallurgy square cylinder, 32 heating wire, 33 upper hole column, 34 forming bottom plate, 35 forming groove plate, 36 lock plate screw cap, 37 perforation rod, 38 connecting rod, 4 pressing unit, 41 pressing screw, 42 forming pressing plate, 43 thread toothed ring, 44 pressing motor, 45 transmission chain, 5 buffer plate and 6 support short column.

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.

Referring to fig. 1-2, the present embodiment provides a technical solution: a pressing die for powder metallurgy comprises an L-shaped inverted plate 1, a die taking unit 3 and a pressing unit 4;

l-shaped inverted plate 1: the middle part of the front end is provided with a hollow plate 2;

and (3) a module taking unit: the metallurgical square tube 31 is arranged in the middle of the hollow plate 2, thread grooves are formed in the left end and the right end of the metallurgical square tube 31, the heating wire 32 is arranged in each thread groove, the six upper hole columns 33 are slidably connected to the left end and the right end of the metallurgical square tube 31 respectively, the lower ends of the six upper hole columns 33 are connected to the left end and the right end of the forming bottom plate 34 respectively, the lower end of the forming groove plate 35 is inserted into the upper end of the forming bottom plate 34 through a locking plate screw, and the lower end of the locking plate screw is in threaded connection with the locking plate screw 36; through the work of heater strip 32, can heat metal powder etc. in the metallurgical square tube 31, make it change into liquid convenient shaping, utilize the locking of jam plate nut 36, removable shaping frid 35, and then reach and change the mould, smelt different products.

Mold removing unit 3 further comprises a perforated rod 37 and a connecting rod 38, wherein two perforated rods 37 are respectively threaded at the upper ends of the left and right upper hole columns 33, and the front ends of two perforated rods 37 are connected through the connecting rod 38. Through the handle of pulling connecting rod 38 front end, make two perforation poles 37 slide and pull out, pull out the back, under the natural state, go up the hole post 33 and move down, and then forming bottom plate 34 and forming frid 35 separate with metallurgical square tube 31, after the separation, can manually take out the product of shaping on forming frid 35, convenient and fast.

The pressing unit 4: is arranged at the upper end of the L-shaped inverted plate 1.

The pressing unit 4 comprises a pressing screw 41, a forming pressing plate 42 and a threaded toothed ring 43, the pressing screw 41 is in threaded connection with the middle of the upper end of the L-shaped inverted plate 1, the lower end of the pressing screw 41 is rotatably connected with the forming pressing plate 42, the lower end of the threaded toothed ring 43 is rotatably connected with the upper end of the L-shaped inverted plate 1, and the middle of the threaded toothed ring 43 is in threaded connection with the pressing screw 41. The screw 41 can be rotated by the rotation of the threaded ring 43, the forming press plate 42 can move up and down, and the liquid metal in the metallurgical square tube 31 can be pressed under the guidance of the metallurgical square tube, so that the forming is convenient.

The pressing unit 4 further comprises a pressing motor 44 and a transmission chain 45, the pressing motor 44 is installed on the rear side of the upper end of the L-shaped inverted plate 1, an output shaft of the pressing motor 44 is connected with a driving gear, and the driving gear is in transmission connection with the threaded gear ring 43 through the transmission chain 45. By means of the rotation of the pressing motor 44, the pressing screw 41 can be rotated through the transmission chain 45, and better conditions are provided for the forming of products.

The lower end of the 5,L type inverted plate 1 is provided with a buffer plate 5. The cushioning plate 5 stabilizes the molded base plate 34 after it has dropped down when the punch rod 37 is molded and pulled out.

The buffer plate is characterized by further comprising supporting short columns 6, and the supporting short columns 6 are mounted at four corners of the lower end of the buffer plate 5. The pressing die can be well supported by four supporting studs 6.

The utility model provides a pair of a theory of operation for powder metallurgy's embossing mold utensil is as follows: firstly, metal powder and the like are poured into the metallurgical square barrel 31, the heating wire 32 works, after the metal powder in the metallurgical square barrel 31 is heated to be converted into liquid state, the lower pressing motor 44 rotates, the threaded toothed ring 43 drives the lower pressing screw 41 to rotate through the transmission chain 45, the forming pressing plate 42 can move up and down, the liquid metal in the metallurgical square barrel 31 is pressed under the guidance of the metallurgical square barrel 31 to be conveniently formed into the forming groove plate 35, after cooling and forming, the handle at the front end of the connecting rod strip 38 is pulled to enable the two punching rods 37 to slide and be pulled out, after pulling out, the upper hole columns 33 move down in a natural state, further the forming bottom plate 34 and the forming groove plate 35 are separated from the metallurgical square barrel 31, after separation, the product formed on the forming groove plate 35 can be manually taken out, the forming groove plate 35 can be replaced by rotating the locking plate screw cap 36, the purpose of replacing dies is achieved, and different products are smelted, and the method is more convenient and rapid.

It should be noted that the heating wire 32 disclosed in the above embodiments is made of steel, the pressing motor 44 is a stepping motor, the input end of the heating wire 32 is electrically connected to the output end of the external temperature control switch, the input end of the pressing motor 44 is electrically connected to the output end of the external control switch, the external temperature control switch controls the heating wire 32 to work by a method commonly used in the prior art, and the external control switch controls the pressing motor 44 to work by a method commonly used in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A compacting tool set for powder metallurgy, comprising: comprises an L-shaped inverted plate (1), a mould taking unit (3) and a pressing unit (4);

l-shaped inverted plate (1): a hollow plate (2) is arranged in the middle of the front end;

a module taking unit (3): the forming device comprises a metallurgical square barrel (31), heating wires (32), upper hole columns (33), a forming bottom plate (34), forming groove plates (35) and locking plate nuts (36), wherein the metallurgical square barrel (31) is installed in the middle of a hollow plate (2), thread grooves are formed in the inner parts of the left end and the right end of the metallurgical square barrel (31), the heating wires (32) are installed in the thread grooves, the six upper hole columns (33) are respectively connected to the left end and the right end of the metallurgical square barrel (31) in a sliding mode, the lower ends of the six upper hole columns (33) are respectively connected to the left end and the right end of the forming bottom plate (34), the lower ends of the forming groove plates (35) are inserted into the upper end of the forming bottom plate (34) through locking plate screws, and the lower ends of the locking plate screws are in threaded connection with the locking plate nuts (36);

a pressing unit (4): is arranged at the upper end of the L-shaped inverted plate (1).

2. A compacting die for powder metallurgy according to claim 1, characterized in that: the mould taking unit (3) further comprises perforated rods (37) and connecting rod strips (38), the two perforated rods (37) are respectively connected to the upper ends of the upper hole columns (33) on the left side and the right side in a penetrating mode, and the front ends of the two perforated rods (37) are connected through the connecting rod strips (38).

3. A compacting die for powder metallurgy according to claim 1, characterized in that: the pressing unit (4) comprises a pressing screw (41), a forming pressing plate (42) and a threaded toothed ring (43), the pressing screw (41) is in threaded connection with the middle of the upper end of the L-shaped inverted plate (1), the lower end of the pressing screw (41) is connected with the forming pressing plate (42) in a rotating mode, the lower end of the threaded toothed ring (43) is connected with the upper end of the L-shaped inverted plate (1) in a rotating mode, and the middle of the threaded toothed ring (43) is in threaded connection with the pressing screw (41).

4. A compacting die for powder metallurgy according to claim 3, characterized in that: the pressing unit (4) further comprises a pressing motor (44) and a transmission chain (45), the pressing motor (44) is installed on the rear side of the upper end of the L-shaped inverted plate (1), an output shaft of the pressing motor (44) is connected with a driving gear, and the driving gear is in transmission connection with the threaded gear ring (43) through the transmission chain (45).

5. A compacting die for powder metallurgy according to claim 1, characterized in that: still include buffer board (5), buffer board (5) are installed to the lower extreme of L type back plate (1).

6. A compacting die for powder metallurgy according to claim 5, characterized in that: the buffer plate is characterized by further comprising supporting short columns (6), wherein the supporting short columns (6) are installed at four corners of the lower end of the buffer plate (5).