阅读说明：本技术 一种粘结磁体产品自动整型装置及整型方法 (Automatic shaping device and method for bonded magnet product ) 是由 黄华为 卢晓强 张筝 陈辉明 于 2019-08-19 设计创作，主要内容包括：一种粘结磁体产品自动整型装置及整型方法，旨在解决现有技术中对粘结磁产品整型加工时，手动整型加工的效率和精度较低，冷却后的产品形状无法满足精度要求的技术问题。本发明包括底板，底板上固定连接有芯子，凹模套设在芯子的外周面上，芯子的外周上套设有用以承载待整型产品的下凸模，底板上设有用以驱动下凸模往复滑动的驱动件，下凸模的上端、凹模的内周面和芯子的外周面配合形成用以对待整型产品进行整型加工的整型腔，位于下凸模上方的上凸模沿环形的整型腔互配轴向滑动，凹模上设有用以冷却待整型产品的第一冷却水道，芯子上设有用以冷却待整型产品的第二冷却水道，第一冷却水道和第二冷却水道均与装有冷却液的冷却池相连。(An automatic shaping device and a shaping method for bonded magnet products aim to solve the technical problems that in the prior art, when bonded magnet products are shaped, manual shaping processing efficiency and precision are low, and the shapes of the cooled products cannot meet the precision requirement. The invention comprises a bottom plate, wherein a core is fixedly connected to the bottom plate, a female die is sleeved on the outer peripheral surface of the core, a lower male die used for bearing a product to be shaped is sleeved on the outer periphery of the core, a driving piece used for driving the lower male die to slide in a reciprocating manner is arranged on the bottom plate, the upper end of the lower male die, the inner peripheral surface of a female die and the outer peripheral surface of the core are matched to form an shaping cavity used for shaping the product to be shaped, the upper male die positioned above the lower male die slides along the annular shaping cavity in a matching axial manner, a first cooling water channel used for cooling the product to be shaped is arranged on the female die, a second cooling water channel used for cooling the product to be shaped is arranged on the core, and the first cooling water channel and the second cooling water channel.)

1. An automatic shaping device for bonded magnet products comprises a bottom plate and is characterized in that a core is fixedly connected to the bottom plate, a concave die is sleeved on the outer peripheral surface of the core, a radial gap is reserved between the concave die and the core, a lower convex die used for bearing a product to be shaped is sleeved on the outer periphery of the core, a driving piece used for driving the lower convex die to slide in a reciprocating mode along the length direction of the core is arranged on the bottom plate, one end, away from the bottom plate, of the lower convex die is located inside a concave die all the time, the upper end of the lower, the inner peripheral surface of the female die and the outer peripheral surface of the core are matched to form a shaping cavity used for shaping a product to be shaped, the upper male die positioned above the lower male die slides along the axial direction of the annular shaping cavity in a matching mode, the female die is provided with a first cooling water channel used for cooling the product to be shaped, the core is provided with a second cooling water channel used for cooling the product to be shaped, and the first cooling water channel and the second cooling water channel are both connected with a cooling pool filled with cooling liquid.

2. The automatic reshaping device for the bonded magnet product as claimed in claim 1, wherein the base plate is provided with a column for supporting a die fixing plate parallel to the base plate, the die comprises an inner die and an outer die which are consistent in length, a first mounting plate on the outer die is fixedly connected with the die fixing plate through a screw, a first vertical section of the outer die penetrates through a first mounting hole on the die fixing plate, and the outer peripheral surface of the first vertical section forms clearance fit with the inner wall surface of the first mounting hole.

3. The automatic shaping device for bonded magnet products as claimed in claim 2, wherein the outer peripheral surface of the inner mold in the shape of a circular column is provided with a positioning boss at one end close to the bottom plate, the positioning boss is in fit and clamping connection with a positioning groove on the inner peripheral surface of the outer mold, the positioning groove is located at one end close to the bottom plate on the inner peripheral surface of the outer mold, and two ends of the inner mold fixedly sleeved on the inner wall surface of the outer mold are flush with two ends of the outer mold respectively.

4. The automatic bonded magnet product shaping device of claim 1, wherein the driving member comprises two cylinders symmetrically arranged on both sides of the core in a radial direction of the core, a lower punch fixing plate parallel to the base plate is fixedly connected to an output end of the cylinder away from one end of the base plate, the core passes through a second mounting hole in the lower punch fixing plate, and a second mounting plate located at one end of the lower punch close to the base plate is fixedly connected to the lower punch fixing plate through a screw.

5. The automatic shaping device for bonded magnet products as claimed in claim 1, wherein the upper male die and the lower male die are identical in shape, the third mounting plate at the end of the upper male die away from the bottom plate is fixedly connected with the upper male die fixing plate through screws, the upper male die fixing plate is parallel to the bottom plate, and the end face of the upper male die fixing plate away from the bottom plate is connected with the driving cylinder.

6. The automatic shaping device of claim 4, wherein the cross section of the core having a cylindrical shape is an inverted U-shape, a liquid storage tank is disposed at one end of the core close to the bottom plate along the length direction of the core, the core base located below the lower punch fixing plate comprises a body and a boss, the boss is clamped in the liquid storage tank and forms a sealing connection with the inner wall surface of the liquid storage tank through a thread, and one end of the body far from the core is fixedly connected with the bottom plate through a screw.

7. The automatic shaping device of claim 6, wherein the second cooling water channel comprises a water inlet channel and a water outlet channel located on the core base along the length direction of the core and connected to the reservoir, the water inlet channel and the water outlet channel are spaced apart, one end of the water inlet channel near the base plate is connected to one end of a water inlet tube parallel to the base plate, the other end of the water inlet tube is located outside the core base and connected to a water outlet of the water pump, one end of the water outlet channel near the base plate is connected to one end of a water outlet tube parallel to the base plate, and the other end of the water outlet tube and a water inlet of the water pump are connected to a cooling tank located outside the core base.

8. The automatic shaping device of a bonded magnet product according to claim 7, wherein the first cooling water channel inside the outer mold comprises a circumferential water channel and an axial water channel, the circumferential water channel with a circular vertical projection comprises a first water channel, a second water channel and a third water channel which are arranged at equal intervals along the normal direction of the bottom plate, cooling liquid in the circumferential water channel is in contact with the outer peripheral surface of the inner mold, the axial water channel is connected with the first water channel, the second water channel and the third water channel in a penetrating manner along the normal direction of the bottom plate, one end of the axial water channel, which is close to the bottom plate, is flush with the end part of the female mold, the axial water channel comprises an axial water inlet channel and an axial water outlet channel which are radially and symmetrically arranged at two sides of the inner mold along the inner mold, the axial water inlet channel is connected with a water outlet of a water pump.

9. The automatic bonded magnet product shaping device of claim 1, wherein the shaping cavity comprises a storage cavity and a shaping cavity along the length direction of the core, the shaping cavity positioned below the storage cavity is in contact with one end of the lower punch far away from the bottom plate, one end of the core far away from the bottom plate is provided with a slope, the climbing height of the slope is consistent with the height of the storage cavity, and the single-side slope of the slope is greater than 2.0 mm.

10. A shaping method using the apparatus for automatically shaping a bonded magnetic product according to any one of claims 1 to 9, comprising:

(1) feeding a product to be shaped to a forming cavity of the shaping cavity;

(2) the upper male die is driven by the driving cylinder to slide into the object placing cavity, the water pump is started, and when the liquid storage tank and the circumferential water channel are filled with cooling liquid, the upper male die is driven by the driving cylinder to slide into the forming cavity;

(3) pressing the product to be shaped by the upper male die, and maintaining the pressure until the product to be shaped is cooled to room temperature;

(4) the driving cylinder is used for releasing pressure, and the upper male die is driven by the driving cylinder to slide out of the forming cavity and far away from the upper end surface of the female die;

(5) the lower male die is driven by the air cylinder to slide away from the bottom plate along the matching axial direction of the annular shaping cavity, and after a product after shaping is ejected out of the shaping cavity, the lower male die is driven by the air cylinder to reset to an initial position.

Technical Field

The invention relates to the technical field of bonded magnet manufacturing, in particular to an automatic shaping device and an automatic shaping method for a bonded magnet product.

Background

The bonded magnet is a magnet prepared by mixing magnetic powder with certain permanent magnetic performance and a certain proportion of binder according to a certain molding process; if an orientation magnetic field is applied in the molding process, the easy magnetization directions of the magnetic powder are all along the same direction in the magnet, namely the anisotropic bonded magnet, or else the isotropic magnet. The method of forming the bonded magnet is various and includes press molding, injection molding, extrusion molding, calender molding, and the like. After the bonded magnetic product is formed, the bonded magnetic product is sintered, sprayed and placed, so that the phenomena of out-of-round, large and small heads, substandard size and the like are easily generated, and the remedy method is to add a shaping procedure. The common shaping method is simple, namely a shaping rod with taper is manufactured, manually pressed in and manually pulled out after being in place. The method has many disadvantages: 1. because the product needs to be baked again before shaping, the temperature of the product reaches 170-; 2. after the product is pressed in place, the product is difficult to pull out; 3. because the shaping rod has taper, the big head and the small head are still arranged after shaping, and the size is not easy to control; 4. manual shaping is extremely inefficient.

Chinese patent with application number CN 201711329617.8 discloses a full-automatic four-axis hydraulic shaping machine and a shaping method thereof, comprising: the device comprises a frame, a lower die body for bearing a shaping product, a lower fixing seat for mounting the lower die body, a left shaping assembly arranged on the left side of the lower die body, a left driving device for driving the left shaping assembly to horizontally move, a right shaping assembly arranged on the right side of the lower die body, a right driving device for driving the right shaping assembly to horizontally move, an upper shaping assembly arranged at the top end of the lower die body, and an upper driving device for driving the upper shaping assembly; the fixed end of the left driving device is fixed on the frame, and the movable end of the left driving device is fixedly connected with the left shaping assembly; the fixed end of the right driving device is fixed on the frame, and the movable end of the right driving device is fixedly connected with the right shaping assembly; the fixed end of the upper driving device is fixed on the frame, and the movable end of the upper driving device is fixedly connected with the upper shaping assembly; and the left shaping assembly, the right shaping assembly and the upper shaping assembly compress and shape the product on the lower die body.

The device can realize full-automatic shaping of a product, and the shaped product is pressed to the lower die body through the left shaping assembly, the right shaping assembly and the upper shaping assembly, so that the product is corrected and the internal stress is gradually eliminated, and the size of the product keeps certain precision; however, the shaping device performs shaping processing on a product through the matching of the shaping components in three directions, and in order to meet the requirement of the shaping accuracy of the product, the three shaping components need extremely high positioning accuracy, so that the positioning accuracy between the shaping components needs to be frequently calibrated in the product shaping processing process; in addition, the reshaping object of the device is a casting piece, the main reshaping component is an upper reshaping component, but in the reshaping process, in order to prevent the casting piece from deviating, the left reshaping component and the right reshaping component need to synchronously provide larger pressure, so that the reshaping device has higher requirements on a hydraulic system, and further the production cost is increased.

Disclosure of Invention

The invention provides an automatic shaping device and an automatic shaping method for a bonded magnet product, aiming at overcoming the technical problems that in the prior art, when the bonded magnet product is shaped, the efficiency and the precision of manual shaping are low, the shaping operation difficulty is high due to high product temperature during shaping, the product is difficult to shape at high temperature, and the shape of the cooled product cannot meet the expected shaping precision requirement.

In order to achieve the above object, the present invention adopts the following technical solutions.

An automatic shaping device for bonded magnet products comprises a bottom plate, wherein a core is fixedly connected to the bottom plate, a concave die sleeve is arranged on the outer peripheral surface of the core, a radial gap is formed between the concave die sleeve and the core, a lower convex die used for bearing a product to be shaped is sleeved on the outer periphery of the core, a driving piece used for driving the lower convex die to slide in a reciprocating mode along the length direction of the core is arranged on the bottom plate, one end, away from the bottom plate, of the lower convex die is always located inside a concave die, the upper end of the, the inner peripheral surface of the female die and the outer peripheral surface of the core are matched to form a shaping cavity used for shaping a product to be shaped, the upper male die positioned above the lower male die slides along the axial direction of the annular shaping cavity in a matching mode, the female die is provided with a first cooling water channel used for cooling the product to be shaped, the core is provided with a second cooling water channel used for cooling the product to be shaped, and the first cooling water channel and the second cooling water channel are both connected with a cooling pool filled with cooling liquid.

The invention provides an automatic shaping device for bonded magnet products, which is mainly used for shaping the bonded magnet products; after the bonded magnetic product is formed, the phenomena of out-of-round, large and small heads, substandard size and the like are easily generated after the processes of sintering, spraying, placing and the like. According to the invention, the product to be reshaped after being baked and heated again is placed into the reshaping cavity formed by matching the upper end of the lower male die, the inner circumferential surface of the female die and the outer circumferential surface of the core play a role in limiting and supporting the product to be reshaped, the specific shape of the reshaping cavity can be adaptively adjusted according to the target reshaping shape, and the secondary heating of the product to be reshaped aims at reducing the strength of the product to be reshaped and further reducing the reshaping pressure required by reshaping processing; when the first cooling water channel and the second cooling water channel are filled with cooling liquid, the upper male die slides into the integral cavity to pressurize a product to be shaped, and the pressure is maintained until the product to be shaped is cooled to room temperature; after the product integer is accomplished, the up-going punch roll-off die cavity and the up-going punch keep away from the up end of die, the bottom plate is kept away from along the bottom plate normal direction to lower terrace die under the drive of driving piece, treat the ejecting die cavity of product that the integer was accomplished after, the lower terrace die resets to initial position under the drive of driving piece, lower terrace die plays the supporting role in the integer course of working, treat the integer processing completion after, lower terrace die and driving piece cooperation unloading, a component of lower terrace die can realize two functions, need not attach unloading mechanism, the compactness of device promotes by a wide margin. According to the automatic product reshaping device, manual operation is not needed except feeding in the reshaping process, preferably, a manipulator can be used for replacing manpower in the feeding operation, the automation degree of the device is high, and the product reshaping efficiency is improved; in addition, compared with a full-automatic four-axis hydraulic shaping machine in a comparison file, the pressurizing assembly only has the upper convex die, the target shaping shape of the product can be adapted by adjusting the shape of the shaping cavity, only the positioning precision between the upper convex die and the shaping cavity needs to be ensured in the shaping processing process, the difficulty and the frequency of precision calibration can be greatly reduced while the stability of the processing precision of the device is ensured, and the shaping period of the product is greatly shortened compared with that of the comparison file.

Preferably, the bottom plate is provided with a stand column for supporting a die fixing plate parallel to the bottom plate, the die comprises an inner die and an outer die which are consistent in length, a first mounting disc on the outer die is fixedly connected with the die fixing plate through a screw, a first vertical section of the outer die penetrates through a first mounting hole in the die fixing plate, and the outer peripheral surface of the first vertical section and the inner wall surface of the first mounting hole form clearance fit.

In the invention, in the shaping process, the female die, the core and the lower convex die are main bearing components, in order to avoid deformation of the female die, the core and the lower convex die caused by overlarge pressure in the shaping process, and further cause the shape of the shaping cavity to be inconsistent with the shape of the preset shaping cavity, the female die, the core and the lower convex die are all prepared by using materials with higher strength, in addition, in order to improve the cooling rate of cooling liquid, the female die and the core respectively provided with a first cooling water channel and a second cooling water channel are all prepared by using materials with higher heat conductivity coefficient, wherein, because the volume of the female die is larger, the required cost is higher when the materials are completely selected for preparation, on the basis, the female die is separately designed into an inner die and an outer die which are fixedly connected, the outer die mainly plays a mounting and positioning role, the inner die mainly plays a bearing and heat exchange role, the inner die is prepared by using materials with high, therefore, the original functions of the female die are ensured, and meanwhile, the preparation cost of the female die is comprehensively reduced.

Preferably, one end of the outer peripheral surface of the inner die, which is in the shape of an annular column and close to the bottom plate, is provided with a positioning boss, the positioning boss is matched and clamped with a positioning groove on the inner peripheral surface of the outer die, the positioning groove is positioned at one end, which is close to the bottom plate, on the inner peripheral surface of the outer die, and two ends of the inner die, which are fixedly sleeved on the inner wall surface of the outer die.

The female die is separately designed into an inner die and an outer die, and if axial positioning does not exist between the inner die and the outer die, the inner die cannot be arranged in the outer die according to the assembly requirement; in the invention, a positioning boss is arranged at one end of the outer peripheral surface of the inner die in the shape of an annular column close to the bottom plate, the positioning boss is matched and clamped with a positioning groove on the inner peripheral surface of the outer die, the positioning groove is positioned at one end of the inner peripheral surface of the outer die close to the bottom plate, and two ends of the inner die fixedly sleeved on the inner wall surface of the outer die are respectively flush with two ends of the outer.

Preferably, the driving part comprises two cylinders which are symmetrically arranged on two sides of the core along the radial direction of the core, a lower male die fixing plate which is parallel to the bottom plate is fixedly connected to the output end of one end, away from the bottom plate, of each cylinder, the core penetrates through a second mounting hole in the lower male die fixing plate, and a second mounting disc which is located at one end, close to the bottom plate, of the lower male die is fixedly connected with the lower male die fixing plate through screws.

The driving part comprises two cylinders which are symmetrically arranged on two sides of the core along the radial direction of the core, the cylinders are symmetrically arranged on two sides of the core, the stability of the cylinders for driving the lower punch fixing plate to move is guaranteed while the space is fully utilized to maintain the compact structure of the device, and the lower punch fixing plate cannot roll in the moving process.

Preferably, the upper male die and the lower male die are identical in shape, a third mounting plate located at one end, far away from the bottom plate, of the upper male die is fixedly connected with an upper male die fixing plate through screws, the upper male die fixing plate is parallel to the bottom plate, and a driving cylinder is connected to the end face, far away from the bottom plate, of the upper male die fixing plate.

The shape and the mounting position of the upper male die are introduced in the technical scheme, specifically, the shape of the upper male die is consistent with that of the lower male die, the third mounting plate located at one end, far away from the bottom plate, of the upper male die is fixedly connected with the upper male die fixing plate through screws, the upper male die fixing plate is parallel to the bottom plate, and the end face, far away from the bottom plate, of the upper male die fixing plate is connected with the driving cylinder.

Preferably, the cross section of the core with a columnar shape is in an inverted U shape, one end, close to the bottom plate, of the core is provided with a liquid storage tank along the length direction of the core, the core base located below the lower punch fixing plate comprises a body and a boss, the boss is clamped in the liquid storage tank and is in sealing connection with the inner wall surface of the liquid storage tank through threads, and one end, far away from the core, of the body is fixedly connected with the bottom plate through a screw.

The liquid storage tank is arranged in the cylindrical core, cooling liquid for cooling the inner wall surface of a product to be shaped is filled in the liquid storage tank, the core base positioned below the lower male die fixing plate comprises a body and a boss, the boss is clamped in the liquid storage tank, the boss and the inner wall surface of the liquid storage tank form sealed connection through threads, the cooling liquid cannot leak in the liquid storage tank, and the core base are detachably connected; the position of core base has still been injectd to above-mentioned technical scheme, and is concrete, and the core base is located lower male die fixed plate below, and the one end of the core is kept away from to the body of core base passes through screw and bottom plate fixed connection.

Preferably, the second cooling water course is including being located on the core base along core length direction and with reservoir through connection's water inlet course and water outlet course, water inlet course and water outlet course interval are arranged, the one end that water inlet course is close to the bottom plate is connected with the one end of the inlet tube parallel with the bottom plate, the other end of inlet tube is located the core base outside and links to each other with the delivery port of water pump, the one end that water outlet course is close to the bottom plate is connected with the one end of the outlet pipe parallel with the bottom plate, the other end of outlet pipe and the water inlet of water pump all link to each other with the cooling pond that is located the.

In the invention, one end of a water inlet pipe connected with a water inlet channel on a core base is connected with the other end of a water outlet pipe of a water pump, the water inlet of the water pump is connected with a cooling pool filled with cooling liquid, the cooling liquid in a liquid storage tank is subjected to heat exchange with a product to be shaped, the heated cooling liquid flows into the cooling pool through the water outlet channel and a water outlet pipe, and the cooling pool carries out secondary cooling on the heated cooling liquid and then enters the water pump through the water inlet pipe; in the invention, the cooling liquid can be recycled, so that the production cost is reduced while the ecological sustainability is maintained.

Preferably, the first cooling water channel positioned in the outer die comprises a circumferential water channel and an axial water channel, the circumferential water channel with a circular vertical projection comprises a first water channel, a second water channel and a third water channel which are arranged at equal intervals along the normal direction of the bottom plate, cooling liquid in the circumferential water channel is in contact with the outer peripheral surface of the inner die, the axial water channel is communicated with the first water channel, the second water channel and the third water channel along the normal direction of the bottom plate, one end, close to the bottom plate, of the axial water channel is flush with the end part of the female die, the axial water channel comprises an axial water inlet channel and an axial water outlet channel, the axial water inlet channel and the axial water outlet channel are radially and symmetrically arranged on two sides of the inner die along the inner die, the axial water inlet channel.

In the invention, the circumferential water channels in the outer die of the female die comprise a first water channel, a second water channel and a third water channel which are arranged at equal intervals, and the axial water channels comprise an axial water inlet channel and an axial water outlet channel which are radially and symmetrically arranged at two sides of the inner die along the inner die; the cooling liquid flows in from the axial water inlet channel, the axial water outlet channel is closed at the moment, the third channel, the second channel and the first channel are filled with the cooling liquid in sequence, then the axial water outlet channel is opened, and the cooling liquid can continuously flow while the first cooling channel in the outer die is filled with the cooling liquid; the heat exchange rate between the continuously flowing cooling liquid and the product to be shaped is high, the product to be shaped is deformed and rapidly cooled at the same time, the shape is kept due to the improvement of the product strength after the product is shaped to the target shape, the secondary deformation cannot occur, and the shaping precision of the shaping device is high.

As preferred, the length direction of integer chamber along the core is including putting thing chamber and shaping chamber, is located the shaping chamber of putting thing chamber below and keeps away from the one end contact of bottom plate with the lower punch, and the one end that the bottom plate was kept away from to the core is equipped with the slope, the height of climbing on slope with put the highly uniform in thing chamber, the unilateral inclination on slope is greater than 0.2 mm.

In the invention, one end of the core, which is far away from the bottom plate, is provided with a slope, the climbing height of the slope is consistent with the height of the object placing cavity, and the single-side slope of the slope is more than 0.2 mm; the slope is arranged at one end, far away from the bottom plate, of the core, the opening width of the object placing cavity is widened on the slope, and therefore the process that the object placing cavity is placed into the product to be shaped is convenient and efficient.

A sizing method using the automatic product sizing device, comprising:

(1) feeding a product to be shaped to a forming cavity of the shaping cavity;

(2) the upper male die is driven by the driving cylinder to slide into the object placing cavity, the water pump is started, and when the liquid storage tank and the circumferential water channel are filled with cooling liquid, the upper male die is driven by the driving cylinder to slide into the forming cavity;

(3) pressing the product to be shaped by the upper male die, and maintaining the pressure until the product to be shaped is cooled to room temperature;

(4) the driving cylinder is used for releasing pressure, and the upper male die is driven by the driving cylinder to slide out of the forming cavity and far away from the upper end surface of the female die;

(5) the lower male die is driven by the air cylinder to slide away from the bottom plate along the matching axial direction of the annular shaping cavity, and after a product after shaping is ejected out of the shaping cavity, the lower male die is driven by the air cylinder to reset to an initial position.

In conclusion, the invention has the following beneficial effects: (1) the shaping device can realize automatic shaping of the bonded magnetic product, and the shaping processing process is simple to operate and has higher efficiency; (2) the cooling liquid carries out synchronous cooling treatment on the high-temperature bonded magnetic product in the shaping process, the bonded magnetic product at room temperature does not generate secondary deformation after shaping is finished, and the shaping precision of the shaping device is high; (3) the target integer shape accessible of product is adjusted the shape of integer chamber and is carried out the adaptation, only need in the integer course of working guarantee the punch and the integer chamber between the positioning accuracy can, can reduce the degree of difficulty and the frequency of precision calibration by a wide margin when guaranteeing the stability of device machining accuracy, the integer cycle of product shortens by a wide margin.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is another structural schematic diagram of the whole of the present invention.

Fig. 3 is a schematic diagram of a portion of the structure of the present invention.

FIG. 4 is a schematic view of the structure of the female mold in the present invention.

In the figure:

1. a bottom plate, 2, a core, 201, a liquid storage tank, 3, a female die, 31, an inner die, 311, a positioning boss, 32, an outer die, 321, a first mounting plate, 322, a first vertical section, 323, a positioning groove, 4, a product to be shaped, 5, a lower male die, 51, a second mounting plate, 6, a shaping cavity, 61, a storage cavity, 62, a shaping cavity, 7, an upper male die, 71, a third mounting plate, 8, a first cooling water channel, 81, a circumferential water channel, 811, a first water channel, 812, a second water channel, 813, a third water channel, 82, an axial water channel, 821, an axial water inlet channel, 822, an axial water outlet channel, 9, a second cooling water channel, 91, a water inlet channel, 92, a water outlet channel, 10, a water outlet pipe, 11, a female die fixing plate, 111, a first mounting hole, 12, a stand column, 13, a cylinder, 131, an output end, 14, a lower male die fixing plate, 141, a second mounting hole, 15, and an upper, 16. the device comprises a driving cylinder 17, a core base 171, a body 172, a boss 18 and a water inlet pipe; h-climbing height of the slope.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.