CN210359244U

CN210359244U - Hollow cylinder type pressed compact mould of neodymium iron boron

Info

Publication number: CN210359244U
Application number: CN201921156955.0U
Authority: CN
Inventors: 马跃华; 刘楠
Original assignee: Youyan Rare Earth Rongcheng Co Ltd
Current assignee: Youyan Rare Earth Rongcheng Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-21
Anticipated expiration: 2029-07-23

Abstract

The utility model relates to the technical field of hollow cylindrical neodymium iron boron product preparation, in particular to a neodymium iron boron hollow cylindrical green compact mould which is provided with a base and is characterized in that a lower template is arranged above the base, the front side and the rear side of the lower template are respectively provided with a front template and a rear template, the upper ends of the front template and the rear template are provided with an upper template, a positioning core rod is arranged between the upper template and the lower template, the lower end of the positioning core rod is arranged in the middle of the lower template and connected with the lower template, the upper end of the positioning core rod is contacted with the upper template, the left side and the right side of the positioning core rod are respectively provided with a left punch head and a right punch head, the left side of the left punch head and the right side of the right punch head are respectively provided with a punch head connecting rod, the inner end of the punch head connecting rod is, has the advantages of simple structure, convenient use, high production efficiency, low production cost and the like.

Description

Hollow cylinder type pressed compact mould of neodymium iron boron

Technical Field

The utility model belongs to the technical field of hollow cylindrical neodymium iron boron products preparation technique and specifically relates to a simple structure, convenient to use, production efficiency height, low in production cost's hollow cylindrical shape pressed compact mould of neodymium iron boron.

Background

As is known, neodymium iron boron is simply a magnet, and is different from the magnet seen in our ordinary times, the magnet has excellent magnetic performance and is called as 'King', the neodymium iron boron contains a large amount of rare earth elements of neodymium, iron and boron, the characteristics of the magnet are hard and brittle, the surface of the magnet is very easy to oxidize and corrode, the neodymium iron boron needs to be subjected to surface coating treatment, surface chemical passivation is one of good solutions, the neodymium iron boron is used as a rare earth permanent magnet material and has extremely high magnetic energy and coercive force, and meanwhile, the advantage of high energy density enables the neodymium iron boron permanent magnet material to be widely applied in modern industry and electronic technology, so that the miniaturization, light weight and thinning of instruments, electro-acoustic motors, magnetic separation and magnetization and other equipment become possible. The Nd-Fe-B alloy has the advantages of high cost performance and good mechanical property.

At present, the forming mode of current hollow cylinder type product is generally drawn the hole on cubic product, takes out cylindrical hollow product, and this kind of processing mode is through the shaping of cubic product, the process of drawing out of round hole, drawing out of cylinder product, product process time is long like this, inefficiency and the waste material after drawing out the hole still need be broken again and utilize, has caused the not enough that the cost is low to produce.

Disclosure of Invention

The utility model aims at solving the deficiencies of the prior art, providing a hollow cylinder type pressed compact mould of neodymium iron boron that simple structure, convenient to use, production efficiency are high, low in production cost.

The utility model provides a technical scheme that its technical problem adopted is:

a neodymium iron boron hollow cylinder type green compact mould is provided with a base, and is characterized in that a lower template is arranged above the base, a front template and a rear template are respectively arranged on the front side and the rear side of the lower template, the lower ends of the front template and the rear template are respectively connected with the lower template, an upper template is arranged at the upper ends of the front template and the rear template, the front side and the rear side of the upper template are respectively connected with the front template and the rear template, a positioning core rod is arranged between the upper template and the lower template, the lower end of the positioning core rod is arranged in the middle of the lower template and connected with the lower template, the upper end of the positioning core rod is contacted with the upper template, a left punch and a right punch are respectively arranged on the left side and the right side of the positioning core rod, arc grooves are symmetrically arranged on the left punch and the right punch, and a hollow cylinder forming cavity is formed between the arc, the left side of left drift and the right side of right drift be equipped with the drift connecting rod respectively, the inner of drift connecting rod is connected with left drift or right drift, the outer end of drift connecting rod is connected with the drift positioning seat, the drift positioning seat is connected with the press, drives the drift positioning seat through the press and removes, and then drives the drift connecting rod and promote left drift and right drift relative movement and then suppress the plug.

The utility model discloses a lower bolster between front template and the back template on be equipped with at least one and preceding template and back template parallel to and the baffle of equipartition, preceding template and baffle between, between back template and the baffle, be equipped with the location plug on the lower bolster between baffle and the baffle, the location plug establish respectively between preceding template and baffle, between back template and the baffle, the lower bolster middle part position between baffle and the baffle and be connected with the lower bolster, the upper end of location plug contacts with the upper die plate, the left and right sides of location plug be equipped with left drift and right drift respectively, left drift and right drift on be symmetrical be equipped with the arc recess, form hollow cylinder shaping chamber between the arc recess of left drift, the arc recess of right drift and the location plug, the left side of left drift and the right side of right drift be equipped with the drift connecting rod respectively, the inner end of the punch connecting rod is connected with the left punch or the right punch, the outer end of the punch connecting rod is connected with the punch positioning seat, and the punch positioning seat is connected with the press.

The outside of left side drift and right drift be equipped with dovetail connection boss respectively, the inner of drift connecting rod be equipped with dovetail connection boss matched with connecting groove, left side drift and right drift are connected with the drift connecting rod through dovetail connection boss and dovetail connecting groove cooperation respectively.

Left drift and right drift's width and preceding template and back template between the width the same, guarantee the stability that the drift removed.

The width of left side drift and right drift and preceding template and baffle, baffle and the back template between the width the same, guarantee the stability that the drift removed.

Preceding template, back template, cope match-plate pattern, lower bolster between detachable construction, convenient to use through dovetail recess and dovetail boss connection.

Preceding template and back template between be equipped with the stripper plate on the lower bolster, the stripper plate on be equipped with the plug and pass the hole, the plug of stripper plate passes the hole and passes the location plug and contact with the lower bolster, shift up the drawing of patterns that realize hollow cylinder type pressed compact through holding in the palm the template.

Preceding template and baffle between, between back template and the baffle, be equipped with the stripper on the lower bolster between baffle and the baffle, the stripper on be equipped with the plug and pass the hole, the plug of stripper passes the hole and passes the location plug and contact with the lower bolster, shift up the drawing of patterns that realize hollow cylinder type pressed compact through holding in the palm the template.

Base and lower bolster between be equipped with the head that magnetizes, preliminarily magnetize the product of formation through the head that magnetizes.

The utility model is characterized in that a lower template is arranged above the base, a front template and a rear template are respectively arranged on the front side and the rear side of the lower template, the lower ends of the front template and the rear template are respectively connected with the lower template, an upper template is arranged on the upper ends of the front template and the rear template, the front side and the rear side of the upper template are respectively connected with the front template and the rear template, a positioning core rod is arranged between the upper template and the lower template, the lower end of the positioning core rod is arranged in the middle of the lower template and is connected with the lower template, the upper end of the positioning core rod is contacted with the upper template, the left side and the right side of the positioning core rod are respectively provided with a left punch head and a right punch head, the left punch head and the right punch head are symmetrically provided with arc grooves, a hollow cylinder forming cavity is formed between the arc groove of the left punch head and the arc groove of the right punch head and, the inner end of the punch connecting rod is connected with the left punch or the right punch, the outer end of the punch connecting rod is connected with the punch positioning seat, the punch positioning seat is connected with a press, the press drives the punch positioning seat to move, and further drives the punch connecting rod to push the left punch and the right punch to move relatively so as to press the core rod, at least one partition plate which is parallel to and evenly distributed on the lower template between the front template and the rear template is arranged on the lower template between the front template and the partition plate, between the rear template and the partition plate, and between the partition plate and the partition plate, positioning core rods are arranged on the lower template between the front template and the partition plate, between the rear template and the partition plate, and between the partition plate and the partition plate respectively and are connected with the lower template, the upper end of the positioning core rod is contacted with the upper template, and the left punch and the right punch are arranged on the left side, arc grooves are symmetrically arranged on the left punch and the right punch, hollow cylindrical forming cavities are formed among the arc grooves of the left punch, the arc grooves of the right punch and the positioning core rod, punch connecting rods are respectively arranged on the left side of the left punch and the right side of the right punch, the inner end of each punch connecting rod is connected with the left punch or the right punch, the outer end of each punch connecting rod is connected with a punch positioning seat, each punch positioning seat is connected with a press, dovetail-shaped connecting bosses are respectively arranged on the outer sides of the left punch and the right punch, connecting grooves matched with the dovetail-shaped connecting bosses are formed in the inner ends of the punch connecting rods, the left punch and the right punch are respectively matched with the punch connecting rods through the dovetail-shaped connecting bosses and the dovetail-shaped connecting grooves, the width of the left punch and the right punch is the same as the width between the front template and the rear template, and the moving stability of the punches, the width of left side drift and right drift and preceding template and baffle, baffle and the back width between the template are the same, guarantee the stability that the drift removed, preceding template, back template, cope match-plate pattern, lower bolster between through the detachable construction that dovetail recess and dovetail boss are connected, convenient to use, preceding template and the back template between be equipped with the stripper plate, the stripper plate on be equipped with the plug and pass the hole, the plug of stripper plate passes the hole and passes the location plug and contact with the lower bolster, through holding in the palm the template and upwards moving the drawing of patterns that realize hollow cylinder type pressed compact, preceding template and between the baffle, between back template and the baffle, be equipped with the stripper plate on the lower bolster between baffle and baffle, the stripper plate on be equipped with the plug and pass the hole, the plug of stripper plate passes the location plug and contacts with the lower bolster, the demolding of the hollow cylindrical pressed blank is realized by moving the supporting template upwards, the magnetizing head is arranged between the base and the lower template, and a formed product is preliminarily magnetized through the magnetizing head, so that the demolding device has the advantages of simple structure, convenience in use, high production efficiency, low production cost and the like.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in the attached drawing, a neodymium iron boron hollow cylindrical pressed blank mould is equipped with base 1, and its characterized in that base 1's top be equipped with lower bolster 2 around both sides be equipped with preceding template 3 and back template 4 respectively, preceding template 3 and back template 4 the lower extreme be connected with lower bolster 2 respectively, preceding template 3 and back template 4's upper end is equipped with the cope match-plate pattern, the front and back both sides of cope match-plate pattern are connected with preceding template 3 and back template 4 respectively, cope match-plate pattern and lower bolster 2 between be equipped with location plug 5, the lower extreme of location plug 5 establish at the middle part of lower bolster 2 and be connected with lower bolster 2, the upper end of location plug 5 contacts with the cope match-plate pattern, the location plug 5 left and right sides be equipped with left drift 6 and right drift 7 respectively, left drift 6 and right drift 7 on the symmetry be equipped with arc recess 8, the arc recess 8 of left drift 6, A hollow cylindrical forming cavity 9 is formed between an arc-shaped groove 8 of a right punch 7 and a positioning core rod 5, a punch connecting rod 10 is respectively arranged on the left side of a left punch 6 and the right side of the right punch 7, the inner end of the punch connecting rod 10 is connected with the left punch 6 or the right punch 7, the outer end of the punch connecting rod 10 is connected with a punch positioning seat 11, the punch positioning seat 11 is connected with a press, the punch positioning seat 11 is driven to move through the press, the punch connecting rod 10 is driven to drive the left punch 6 and the right punch 7 to move relatively so as to press the core rod, at least one partition plate 12 which is parallel to and uniformly distributed on a lower template 2 between a front template 3 and a rear template 4 is arranged on the lower template 2 between the front template 3 and the partition plate 12, between the rear template 4 and the partition plate 12 and between the partition plate 12 and the partition plate 12, and the positioning core rod 5 is respectively arranged between the front template, The middle part of the lower template 2 between the rear template 4 and the partition plate 12 and between the partition plate 12 and the partition plate 12 is connected with the lower template 2, the upper end of the positioning core rod 5 is contacted with the upper template, the left side and the right side of the positioning core rod 5 are respectively provided with a left punch 6 and a right punch 7, the left punch 6 and the right punch 7 are symmetrically provided with an arc-shaped groove 8, the arc-shaped groove 8 of the left punch 6, the arc-shaped groove 8 of the right punch 7 and the positioning core rod 5 form a hollow cylindrical forming cavity 9, the left side of the left punch 6 and the right side of the right punch 7 are respectively provided with a punch connecting rod 10, the inner end of the punch connecting rod 10 is connected with the left punch 6 or the right punch 7, the outer end of the punch connecting rod 10 is connected with a punch positioning seat 11, the punch 11 is connected with a press, the outer sides of the left punch 6 and the right punch 7 are respectively provided with a dovetail-shaped connecting boss 13, the inner end of the, the punch press is characterized in that a left punch 6 and a right punch 7 are respectively matched with a punch connecting rod 10 through a dovetail-shaped connecting boss 13 and a dovetail-shaped connecting groove 14 to be connected, the width of the left punch 6 and the width of the right punch 7 are the same as the width between a front template 3 and a rear template 4 to ensure the moving stability of the punches, the width of the left punch 6 and the right punch 7 is the same as the width between the front template 3 and a partition plate 12, the width between the partition plate 12 and the rear template 4 to ensure the moving stability of the punches, a detachable structure is arranged among the front template 3, the rear template 4, an upper template and a lower template 2 and is connected through the dovetail-shaped groove and the dovetail-shaped boss, the punch press is convenient to use, a stripper plate 15 is arranged on the lower template 2 between the front template 3 and the rear template 4, a core rod passing hole is arranged on the stripper plate 15, and a core rod of, realize the drawing of patterns of hollow cylinder type pressed compact through holding in the palm the template and moving up, preceding template 3 and baffle 12 between, between back template 4 and baffle 12, be equipped with stripper plate 15 on the lower bolster 2 between baffle 12 and the baffle 12, stripper plate 15 on be equipped with the plug and pass the hole, stripper plate 15's plug passes location plug 5 and contacts with lower bolster 2 through holding in the palm the template and moving up the drawing of patterns of realizing hollow cylinder type pressed compact, base 1 and lower bolster 2 between be equipped with magnetic head 16, carry out preliminary magnetization to the product that forms through magnetic head 16, the sum of the length of left drift 6 or right drift 7 and the length of drift connecting rod 10 be half of the length of preceding template 3 or back template 4 or baffle 12, the tip of drift positioning seat 11 contact with preceding template 3 or the tip of back template 4, guarantee to suppress the back drift and be located the middle part, the front direction, the rear direction, the upper direction and the lower direction of the left punch and the right punch are respectively contacted with the front template, the rear template, the upper template and the lower template or the clapboard.

The utility model discloses when using, at first with baffle 12, front form 3, the equipment of back template 4, place left drift 6, right drift 7 in baffle 12 and front form 3, baffle 12 and back template 4, on lower bolster 2 between baffle 12 and the baffle 12, then place former powder in the hollow cylinder shaping chamber 9 between left drift 6 and the right drift 7, then cover the cope match-plate pattern in the top, the drift positioning seat 11 of both sides is pressed simultaneously to rethread press, drift positioning seat 11 drives drift connecting rod 10 and left drift 6 or right drift 7 and removes in opposite directions, final press forming, drive left drift 6 and right drift 7 through the press and remove out the mould after the press forming, the cope match-plate pattern is lifted off, front form 3, back template 4 are lifted off, then remove stripper 15, accomplish the drawing of patterns with cylindrical shaped product, and then realize the preparation of product, the utility model discloses because the top of base 1 is equipped with lower bolster 2, The front side and the rear side of the lower template 2 are respectively provided with a front template 3 and a rear template 4, the lower ends of the front template 3 and the rear template 4 are respectively connected with the lower template 2, the upper ends of the front template 3 and the rear template 4 are provided with an upper template, the front side and the rear side of the upper template are respectively connected with the front template 3 and the rear template 4, a positioning core rod 5 is arranged between the upper template and the lower template 2, the lower end of the positioning core rod 5 is arranged in the middle of the lower template 2 and connected with the lower template 2, the upper end of the positioning core rod 5 is contacted with the upper template, the left side and the right side of the positioning core rod 5 are respectively provided with a left punch 6 and a right punch 7, the left punch 6 and the right punch 7 are symmetrically provided with arc-shaped grooves 8, a hollow cylindrical forming cavity 9 is formed between the arc-shaped groove 8 of the left punch 6 and the arc-shaped groove 8 of the right punch 7 and the positioning core rod 5, the left side and the right, the inner end of a punch connecting rod 10 is connected with a left punch 6 or a right punch 7, the outer end of the punch connecting rod 10 is connected with a punch positioning seat 11, the punch positioning seat 11 is connected with a press, the punch positioning seat 11 is driven to move through the press, the punch connecting rod 10 is further driven to push the left punch 6 and the right punch 7 to move relatively so as to press a core rod, at least one partition plate 12 which is parallel to and evenly distributed with the front template 3 and the rear template 4 is arranged on the lower template 2 between the front template 3 and the rear template 4, a positioning core rod 5 is arranged on the lower template 2 between the front template 3 and the partition plate 12, between the rear template 4 and the partition plate 12, and between the partition plate 12 and the partition plate 12, and is connected with the lower template 2 at the middle position of the lower template 2 between the partition plate 12 and the partition plate 12, the upper end of a positioning core rod 5 is contacted with an upper die plate, a left punch 6 and a right punch 7 are respectively arranged on the left side and the right side of the positioning core rod 5, arc-shaped grooves 8 are symmetrically arranged on the left punch 6 and the right punch 7, hollow cylindrical forming cavities 9 are formed between the arc-shaped grooves 8 of the left punch 6 and the arc-shaped grooves 8 of the right punch 7 and the positioning core rod 5, punch connecting rods 10 are respectively arranged on the left side of the left punch 6 and the right side of the right punch 7, the inner ends of the punch connecting rods 10 are connected with the left punch 6 or the right punch 7, the outer ends of the punch connecting rods 10 are connected with punch positioning seats 11, the punch positioning seats 11 are connected with a press, dovetail-shaped connecting bosses 13 are respectively arranged on the outer sides of the left punch 6 and the right punch 7, connecting grooves 14 matched with the dovetail-shaped connecting bosses 13 are arranged on the inner ends of the punch connecting rods 10, and the left punch 6 and the right punch 7 are respectively matched with the connecting rods 10 The width of left side drift 6 and right drift 7 and preceding template 3 and the width between the template 4 are the same, guarantee the stability that the drift removed, the width of left side drift 6 and right drift 7 and preceding template 3 and baffle 12, baffle 12 and the width between the template 4 are the same, guarantee the stability that the drift removed, preceding template 3, back template 4, cope match-plate pattern, lower bolster 2 between through the detachable construction that dovetail recess and dovetail boss are connected, convenient to use, preceding template 3 and the lower bolster 2 between be equipped with stripper 15, stripper 15 on be equipped with the plug and pass the hole, stripper 15's plug passes the hole and passes location plug 5 and contact with lower bolster 2, through holding in the palm the drawing of patterns that the mould up realized hollow cylinder type pressed compact, preceding template 3 and baffle 12 between, Be equipped with stripper plate 15 on the lower bolster 2 between back template 4 and the baffle 12, between baffle 12 and the baffle 12, stripper plate 15 on be equipped with the plug and pass the hole, stripper plate 15's plug passes the hole and passes location plug 5 and contact with lower bolster 2, shifts up the drawing of patterns that realize hollow cylinder type pressed compact through holding in the palm the template, base 1 and lower bolster 2 between be equipped with magnetic head 16, through magnetic head 16 preliminarily magnetizing to the product that forms, have advantages such as simple structure, convenient to use, production efficiency height, low in production cost.

Claims

1. A neodymium iron boron hollow cylinder type green compact mould is provided with a base, and is characterized in that a lower template is arranged above the base, a front template and a rear template are respectively arranged on the front side and the rear side of the lower template, the lower ends of the front template and the rear template are respectively connected with the lower template, an upper template is arranged at the upper ends of the front template and the rear template, the front side and the rear side of the upper template are respectively connected with the front template and the rear template, a positioning core rod is arranged between the upper template and the lower template, the lower end of the positioning core rod is arranged in the middle of the lower template and connected with the lower template, the upper end of the positioning core rod is contacted with the upper template, a left punch and a right punch are respectively arranged on the left side and the right side of the positioning core rod, arc grooves are symmetrically arranged on the left punch and the right punch, and a hollow cylinder forming cavity is formed between the arc, the left side of left drift and the right side of right drift be equipped with the drift connecting rod respectively, the inner of drift connecting rod is connected with left drift or right drift, the outer end of drift connecting rod is connected with the drift positioning seat, the drift positioning seat is connected with the press, drives the drift positioning seat through the press and removes, and then drives the drift connecting rod and promote left drift and right drift relative movement and then suppress the plug.

2. A neodymium iron boron hollow cylinder type green compact mould according to claim 1, characterized in that at least one baffle which is parallel to the front template and the rear template and is evenly distributed is arranged on the lower template between the front template and the rear template, the positioning core rods are arranged on the lower templates between the front template and the baffle, between the rear template and the baffle, and between the baffle and the baffle, the positioning core rods are respectively arranged at the middle position of the lower template between the front template and the baffle, between the rear template and the baffle, and between the baffle and are connected with the lower template, the upper end of the positioning core rod is contacted with the upper template, the left punch and the right punch are respectively arranged at the left side and the right side of the positioning core rod, the arc-shaped grooves of the left punch and the right punch are symmetrically arranged, a hollow cylinder forming cavity is formed between the arc-shaped groove of the left punch, the arc-shaped groove of the right punch and, the punch positioning mechanism is characterized in that a punch connecting rod is arranged on the left side of the left punch and the right side of the right punch respectively, the inner end of the punch connecting rod is connected with the left punch or the right punch, the outer end of the punch connecting rod is connected with a punch positioning seat, and the punch positioning seat is connected with a press.

3. A nd fe-b hollow cylinder type green compact mould as claimed in claim 1 or 2, characterized in that the outside of left drift and right drift be equipped with the dovetail respectively and connect the boss, the inner of drift connecting rod be equipped with the dovetail connect the boss matched with connecting groove, left drift and right drift be connected with the drift connecting rod through the dovetail respectively and connect boss and dovetail connect the recess cooperation.

4. A nd fe-b hollow cylindrical blank mould according to claim 1, characterized in that the width of left drift and right drift is the same with the width between preceding template and the back template, guarantees the stability that the drift removed.

5. A neodymium iron boron hollow cylinder type blank mould according to claim 2, characterized in that the width of left drift and right drift is the same with the width between preceding template and baffle, baffle and back template, guarantees the stability that the drift removed.

6. A neodymium iron boron hollow cylinder type green compact mould according to claim 1 or 2, characterized in that the detachable construction that passes through dovetail recess and dovetail boss connection between preceding template, back template, cope match-plate pattern, the lower bolster, convenient to use.

7. The hollow cylindrical neodymium iron boron blank mold according to claim 1, characterized in that the lower mold plate between the front mold plate and the rear mold plate is provided with a stripper plate, the stripper plate is provided with a core rod passing hole, the core rod of the stripper plate passes through the hole and passes through the positioning core rod and contacts with the lower mold plate, and the stripping of the hollow cylindrical blank is realized by moving up the support mold plate.

8. A neodymium iron boron hollow cylinder type pressed compact mould according to claim 2, characterized in that preceding template and baffle between, between back template and the baffle, be equipped with the stripper plate on the lower bolster between baffle and the baffle, the stripper plate on be equipped with the plug and pass the hole, the plug of stripper plate passes the hole and passes the location plug and contact with the lower bolster, moves up the drawing of patterns that realizes hollow cylinder type pressed compact through holding in the palm the template.

9. A nd-fe-b hollow cylindrical blank mould according to claim 1 or 2, characterized in that be equipped with the head of magnetizing between base and the lower bolster, carry out preliminary magnetization to the product that forms through the head of magnetizing.