CN216263463U

CN216263463U - Powder metallurgy sintering device convenient to change mould

Info

Publication number: CN216263463U
Application number: CN202122561887.XU
Authority: CN
Inventors: 孔庆飞; 国书元; 邵英俭; 安强; 李金玲
Original assignee: SHENYANG JINNA NEW MATERIAL CO Ltd
Current assignee: SHENYANG JINNA NEW MATERIAL CO Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-12
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a powder metallurgy sintering device convenient for replacing a die, which relates to the field of metallurgy processing and comprises a shell, wherein a blind groove is formed in the top end of the shell, a plurality of supporting rods are arranged on the left side of the top end of the shell, a fixed seat is arranged at the top end of each supporting rod, a lifting plate is slidably sleeved on the outer wall of each supporting rod, a first hydraulic cylinder is arranged at the top end of each fixed seat, and the output end of each first hydraulic cylinder extends downwards to form the outer wall of the lifting plate. The device integrated type sintering is in an organic whole, can carry out a series of processing of die-casting shaping and sintering to the work piece, has guaranteed the continuity of the process flow of work piece more, has reduced the manufacturing cost who transports the work piece simultaneously, still can dismantle the change to mould seat and mould core to can realize processing the work piece of different models and shape, enlarged the die-casting shaping range of processing of equipment, and then enlarged sintering device's processing range, the practicality of equipment is stronger, and is functional stronger, satisfies the user demand more.

Description

Powder metallurgy sintering device convenient to change mould

Technical Field

The utility model belongs to the technical field of metallurgical processing, and particularly relates to a powder metallurgy sintering device.

Background

Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products. Powder metallurgy sintering is a high temperature process that further bonds green or loose powder bodies to improve strength and other properties. It is one of the important processes of powder metallurgy. In the sintering process, the powder particles are subjected to physical and chemical processes such as mutual flowing, diffusion, melting, recrystallization and the like, so that the powder body is further densified, and partial or all pores in the powder body are eliminated.

At present, present market is carrying out powder metallurgy man-hour, need with the help of transport equipment after the powder press forming, shift the work piece to the sintering equipment inner chamber, can further realize the sintering operation to the work piece, this kind of split type design of shaping sintering is not convenient for carry out the processing of a series of flows to the work piece, the cost of transporting has been increased simultaneously, and, current former can only carry out the die-casting of a specific model and shape to the work piece, the model and the shape that lead to work piece machine-shaping are single, further lead to sintering equipment can only sinter to a work piece, the work piece model shape that can cause equipment production from this is restricted, further the application range that leads to equipment is restricted.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the forming and sintering split type design in the prior art is inconvenient for processing a series of flows of workpieces, the conveying cost is increased, the existing forming equipment can only die-cast the workpieces in a specific type and shape, the type and shape of the machined and formed workpieces are single, and the sintering equipment can only sinter one type of workpieces, the utility model provides a powder metallurgy sintering device convenient for replacing a die, which can die-cast and form metal powder through the matching of a shell, a supporting rod, a fixed seat, a lifting plate, a first hydraulic cylinder and a movable die, sinter the die-cast and formed metal workpieces through the matching of a sintering box, a mounting plate, a rotating roller, a conveying belt and a motor, and sinter the die-cast and formed metal workpieces through the matching of a second electric push rod, a driving rod, a first connecting rod, a second connecting rod and a limiting column, the driving block can be promoted to drive the clamping block to be embedded into or separated from the inner cavity of the clamping groove, so that the die holder can be fixed or the clamping block can be promoted to be separated from the inner cavity of the clamping groove, and the die holder and the die core can be detached and replaced. The specific technical scheme is as follows:

a powder metallurgy sintering device convenient for replacing a die comprises a shell, wherein a blind groove is formed in the top end of the shell, a plurality of supporting rods are mounted on the left side of the top end of the shell, a fixed seat is mounted at the top end of each supporting rod, a lifting plate is slidably sleeved on the outer wall of each supporting rod, a first hydraulic cylinder is mounted at the top end of each fixed seat, the output end of each first hydraulic cylinder extends downwards out of the outer wall of the lifting plate, a movable die is mounted at the output end of each first hydraulic cylinder, and the powder metallurgy sintering device further comprises a fixed plate, a sintering mechanism and a dismounting mechanism, wherein the fixed plate is mounted on the left side of the outer wall of the shell; the sintering mechanism is assembled on the right side of the top end of the shell; the detaching mechanism is assembled in the inner cavity of the shell.

The sintering mechanism comprises a sintering box, a mounting plate, a rotating roller, a conveying belt and a motor, wherein the sintering box is mounted on the right side of the top end of the shell; the mounting plates are multiple and are respectively mounted at the top end of the shell; the rotary roller is rotatably arranged on the inner side of the mounting plate; the conveyer belt cup joints on changeing the outer wall of roller, the motor is installed on the outer wall of mounting panel, just the output of motor with one of them change the roller and be connected.

The disassembling mechanism comprises a mold seat, a mold core, a clamping groove, a second electric push rod, a driving rod, a first connecting rod, a second connecting rod, a limiting column, a driving block, a clamping block and a second hydraulic cylinder, and the mold seat is embedded in a blind groove inner cavity formed in the top end of the shell; the mould core is arranged in the inner cavity of the mould seat; the number of the clamping grooves is two, and the clamping grooves are respectively arranged on two sides of the outer wall of the die seat; one end of the second electric push rod is arranged on the inner wall of the shell; the driving rod is arranged at the other end of the second electric push rod; the number of the first connecting rods is two, and one end of each first connecting rod is rotatably arranged on the outer wall of the driving rod; the second connecting rod is rotatably arranged at the other end of the first connecting rod and comprises a first rotating rod and a second rotating rod, the first rotating rod is connected with the second rotating rod, and the first rotating rod and the second rotating rod form a preset angle; the limiting column is arranged on the inner wall of the shell, and the middle part of the second connecting rod is rotatably arranged on the outer wall of the limiting column; the driving block is arranged at the other end of the second connecting rod; the clamping block is arranged on the inner side of the outer wall of the driving block and is rotatably embedded in the inner cavity of the clamping groove; one end of the second hydraulic cylinder is installed at the bottom end of the inner wall of the shell, and the other end of the second hydraulic cylinder can upwards penetrate through the outer wall of the die base to be opposite to the die core.

In addition, the technical scheme provided by the utility model can also have the following additional technical characteristics:

in the above technical scheme, preferably, the powder metallurgy sintering device convenient for die replacement further comprises a feeding mechanism, wherein the feeding mechanism comprises a storage box, a feeding pipe and a first electric push rod, and the storage box is arranged at the top end of the fixing plate; the feeding pipe is communicated with the inner cavity of the storage box; the first electric push rod is installed on the top end of the fixing plate and connected with the outer wall of the storage box.

In the above technical scheme, preferably, a powder metallurgy sintering device convenient to change mould, the storage box is located the left side of mould seat, the length of storage box is less than the length of mould seat top end opening part, just the width of storage box is less than the width of mould seat top end opening part.

In the above technical scheme, preferably, a powder metallurgy sintering device convenient to change mould still includes the backing plate, the backing plate is installed on the outer wall of casing, and is located the top of conveyer belt.

In the above technical solution, preferably, the powder metallurgy sintering device convenient for die replacement further includes a conveying mechanism, the conveying mechanism includes a base, a first mechanical arm, a second mechanical arm and a clamping jaw, and the base is mounted at the top end of the housing; one end of the first mechanical arm is arranged at the top end of the base; the second mechanical arm is rotatably arranged at the other end of the first mechanical arm; the clamping jaw is rotatably arranged on the outer wall of the second mechanical arm.

In the above technical solution, preferably, the powder metallurgy sintering device convenient for die replacement further includes a plurality of limiting grooves and limiting blocks, and the limiting grooves are respectively formed in the inner wall of the die holder; one end of the limiting block is slidably embedded into the inner cavity of the limiting groove, and the other end of the limiting block is installed on the outer wall of the mold core.

Compared with the prior art, the powder metallurgy sintering device convenient for replacing the die has the beneficial effects that:

1. the device integrates the integrated sintering, can perform a series of processing of die-casting forming and sintering on the workpiece, further ensures the continuity of the processing flow of the workpiece, and reduces the production cost for conveying the workpiece;

2. through the second electric putter, the actuating lever, the head rod, the cooperation of second connecting rod and spacing post, can make the drive block drive the inner chamber that imbeds or breaks away from the draw-in groove in the draw-in groove, thereby can fix or make the draw-in groove inner chamber that breaks away from to the die holder, can realize the dismantlement of die holder and mould core and change, the device can dismantle the change to die holder and mould core, thereby can realize processing the work piece of different models and shape, the die-casting shaping range of processing of equipment has been enlarged, and then the range of processing of sintering device has been enlarged, the practicality of equipment is stronger, and is functional stronger, satisfy the user demand more.

Drawings

FIG. 1 is a front view of a first electric putter in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged view of an embodiment of the present invention at A;

FIG. 3 is a top view of a second electric putter in accordance with an embodiment of the present invention;

fig. 4 is a top view of a backing plate according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is: 1. the device comprises a shell, 2, a supporting rod, 3, a fixed seat, 4, a lifting plate, 5, a first hydraulic cylinder, 6, a movable mold, 7, a fixed plate, 8, a feeding mechanism, 81, a storage box, 82, a feeding pipe, 83, a first electric push rod, 9, a sintering mechanism, 91, a sintering box, 92, a mounting plate, 93, a rotating roller, 94, a conveying belt, 95, a motor, 10, a backing plate, 11, a dismounting mechanism, 111, a mold base, 112, a mold core, 113, a clamping groove, 114, a second electric push rod, 115, a driving rod, 116, a first connecting rod, 117, a second connecting rod, 118, a limiting column, 120, a driving block, 121, a clamping block, 122, a second hydraulic cylinder, 123, a limiting groove, 124, a limiting block, 13, a conveying mechanism, 131, a base, 132, a first mechanical arm, 133, a second mechanical arm, 134 and a clamping jaw.

Detailed Description

The utility model will be further described with reference to specific embodiments and figures 1 to 4, but the utility model is not limited to these embodiments.

Example 1

A powder metallurgy sintering device convenient for replacing a die comprises a shell 1, wherein a blind groove is formed in the top end of the shell 1, four supporting rods 2 are installed on the left side of the top end of the shell 1, a fixed seat 3 is installed on the top end of each supporting rod 2, a lifting plate 4 is slidably sleeved on the outer wall of each supporting rod 2, a first hydraulic cylinder 5 is installed at the top end of each fixed seat 3, the type of each first hydraulic cylinder 5 is CJT70, the output end of each first hydraulic cylinder 5 extends downwards to form the outer wall of the lifting plate 4, a movable die 6 is installed at the output end of each first hydraulic cylinder 5, when the first hydraulic cylinder 5 is opened, the lifting plates 4 and the movable die 6 can be driven to move downwards together, the powder metallurgy sintering device further comprises a fixed plate 7, a sintering mechanism 9 and a dismounting mechanism 11, and the fixed plate 7 is installed on the left side of the outer wall of the shell 1; the sintering mechanism 9 is assembled at the right side of the top end of the shell 1; the detaching mechanism 11 is fitted in the inner cavity of the housing 1.

The sintering mechanism 9 comprises a sintering box 91, a mounting plate 92, a rotating roller 93 and a conveying belt 94, wherein the sintering box 91 is mounted on the right side of the top end of the shell 1, and a workpiece can be sintered through the sintering box 91; the number of the mounting plates 92 is four, and the mounting plates are respectively mounted at the top end of the shell 1; the rotary roller 93 is rotatably mounted on the inner side of the mounting plate 92 through a bearing; the conveyer belt 94 is sleeved on the outer wall of the rotating roller 93, the rotating roller 93 can enable the conveyer belt 94 to drive the workpiece to move, the motor 95 is installed on the outer wall of the installation plate 92, the output end of the motor 95 is connected with one of the rotating rollers 93, the model of the motor 95 is YES-60-1.5KW, the motor 95 in an open state can drive the rotating roller 93 connected with the motor to rotate, the conveyer belt 94 can be enabled to drive the workpiece after die casting to enter the inner cavity of the sintering box 91 for sintering, the workpiece after sintering can be output from the right side of the sintering box 91, and therefore the workpiece after die casting and sintering can be conveyed.

The disassembling mechanism 11 comprises a mold seat 111, a mold core 112, a clamping groove 113, a second electric push rod 114, a driving rod 115, a first connecting rod 116, a second connecting rod 117, a limiting column 118, a driving block 120, a clamping block 121 and a second hydraulic cylinder 122, wherein the mold seat 111 is embedded in a blind groove inner cavity formed in the top end of the shell 1; the mold core 112 is arranged in the inner cavity of the mold base 111; the mold base 111 can be disassembled together with the mold core 112, and the number of the clamping grooves 113 is two and the clamping grooves are respectively arranged on two sides of the outer wall of the mold base 111; one end of a second electric push rod 114 is arranged on the inner wall of the shell 1, and the model of the second electric push rod 114 is DSDG 25; the driving rod 115 is installed at the other end of the second electric push rod 114, and the second electric push rod 114 can drive the driving rod 115 to move forward or backward together; the number of the first connecting rods 116 is two, and one end of each of the first connecting rods is rotatably mounted on the outer wall of the driving rod 115 through a pin; the second connecting rod 117 is rotatably installed at the other end of the first connecting rod 116 through a pin shaft, the second connecting rod 117 comprises a first rotating rod and a second rotating rod, the first rotating rod is connected with the second rotating rod, and the first rotating rod and the second rotating rod form a preset angle; the limiting column 118 is installed on the inner wall of the shell 1, the middle part of the second connecting rod 117 is rotatably installed on the outer wall of the limiting column 118 through a pin shaft, and the first connecting rod 116 moving towards the rear side can cause one end of the second connecting rod 117 to move towards the rear side together; the driving block 120 is installed at the other end of the second connecting rod 117; the clamping block 121 is installed on the inner side of the outer wall of the driving block 120 and is rotatably embedded in the inner cavity of the clamping groove 113, and the second connecting rod 117 rotating outwards can drive the driving block 120 and the clamping block 121 to gradually rotate outwards, so that the clamping block 121 is gradually separated from the inner cavity of the clamping groove 113; one end of the second hydraulic cylinder 122 is installed at the bottom end of the inner wall of the housing 1, and the other end of the second hydraulic cylinder 122 can penetrate the outer wall of the mold base 111 upward to be opposite to the mold core 112, the model of the second hydraulic cylinder 122 is MOB63 × 50, and when the second hydraulic cylinder 122 is opened, the second hydraulic cylinder can push the workpiece in the inner cavity of the mold base 111 to be separated from the inner cavity of the mold base 111 upward.

As a preferable scheme, further: a powder metallurgy sintering device convenient for replacing a die further comprises a feeding mechanism 8, wherein the feeding mechanism 8 comprises a storage box 81, a feeding pipe 82 and a first electric push rod 83, and the storage box 81 is arranged at the top end of a fixed plate 7; the feeding pipe 82 is communicated with the inner cavity of the storage box 81; the first electric push rod 83 is installed at the top end of the fixing plate 7 and connected to the outer wall of the storage box 81, the model of the first electric push rod 83 is HEB-100, and the opened first electric push rod 83 pushes the storage box 81 and the metal powder in the inner cavity of the storage box 81 to the right, so that the storage box 81 gradually moves to the top end of the mold base 111 along the fixing plate 7 and the outer wall of the housing 1.

As a preferable scheme, further: the utility model provides a powder metallurgy sintering device convenient to change mould, storage box 81 is located the left side of mould seat 111, and the length of storage box 81 is less than the length of mould seat 111 top end opening part, and the width of storage box 81 is less than the width of mould seat 111 top end opening part to guarantee that storage box 81 position is corresponding with the position of mould seat 111, and the material of storage box 81 inner chamber can get into the inner chamber of mould seat 111 completely.

As a preferable scheme, further: the utility model provides a powder metallurgy sintering device convenient to change mould, still includes backing plate 10, and backing plate 10 installs on the outer wall of casing 1, and is located the top of conveyer belt 94, can avoid the work piece to drop in casing 1 and the gap department that the conveyer belt 94 handed over through setting up of backing plate 10.

As a preferable scheme, further: the powder metallurgy sintering device convenient for replacing the die further comprises a conveying mechanism 13, wherein the conveying mechanism 13 is equipment in the prior art, the conveying mechanism 13 comprises a base 131, a first mechanical arm 132, a second mechanical arm 133 and a clamping jaw 134, and the base 131 is arranged at the top end of the shell 1; one end of the first mechanical arm 132 is mounted on the top end of the base 131; the second robot arm 133 is rotatably mounted on the other end of the first robot arm 132; the first mechanical arm 132 and the second mechanical arm 133 can adjust the conveying angle and precision, the clamping jaw 134 is rotatably arranged on the outer wall of the second mechanical arm 133, and the workpiece can be clamped and conveyed by the clamping jaw 134, so that the workpiece is promoted to enter the top end of the conveying belt 94 from the shell 1.

As a preferable scheme, further: a powder metallurgy sintering device convenient for replacing a die further comprises two limiting grooves 123 and two limiting blocks 124, wherein the two limiting grooves 123 are respectively arranged on the inner wall of a die seat 111; one end of the limiting block 124 is slidably embedded in the inner cavity of the limiting groove 123, and the other end of the limiting block is mounted on the outer wall of the mold core 112, so that the moving mold core 112 can drive the limiting groove 123 to move together along the inner cavity of the limiting block 124.

Example 2

A powder metallurgy sintering device convenient for replacing a die comprises a shell 1, wherein a blind groove is formed in the top end of the shell 1, four support rods 2 are installed on the left side of the top end of the shell 1, a fixed seat 3 is installed on the top end of each support rod 2, a lifting plate 4 is slidably sleeved on the outer wall of each support rod 2, a first hydraulic cylinder 5 is installed at the top end of each fixed seat 3, the type of each first hydraulic cylinder 5 is CJT140, the output end of each first hydraulic cylinder 5 extends downwards out of the outer wall of the lifting plate 4, a movable die 6 is installed at the output end of each first hydraulic cylinder 5, when the first hydraulic cylinder 5 is opened, the lifting plate 4 and the movable die 6 can be driven to move downwards together, the powder metallurgy sintering device further comprises a fixed plate 7, a sintering mechanism 9 and a dismounting mechanism 11, and the fixed plate 7 is installed on the left side of the outer wall of the shell 1; the sintering mechanism 9 is assembled at the right side of the top end of the shell 1; the detaching mechanism 11 is fitted in the inner cavity of the housing 1.

The disassembling mechanism 11 comprises a mold seat 111, a mold core 112, a clamping groove 113, a second electric push rod 114, a driving rod 115, a first connecting rod 116, a second connecting rod 117, a limiting column 118, a driving block 120, a clamping block 121 and a second hydraulic cylinder 122, wherein the mold seat 111 is embedded in a blind groove inner cavity formed in the top end of the shell 1; the mold core 112 is arranged in the inner cavity of the mold base 111; the mold base 111 can be disassembled together with the mold core 112, and the number of the clamping grooves 113 is two and the clamping grooves are respectively arranged on two sides of the outer wall of the mold base 111; one end of a second electric push rod 114 is arranged on the inner wall of the shell 1, and the model of the second electric push rod 114 is DSDG 50; the driving rod 115 is installed at the other end of the second electric push rod 114, and the second electric push rod 114 can drive the driving rod 115 to move forward or backward together; the number of the first connecting rods 116 is two, and one end of each of the first connecting rods is rotatably mounted on the outer wall of the driving rod 115 through a pin; the second connecting rod 117 is rotatably installed at the other end of the first connecting rod 116 through a pin shaft, the second connecting rod 117 comprises a first rotating rod and a second rotating rod, the first rotating rod is connected with the second rotating rod, and the first rotating rod and the second rotating rod form a preset angle; the limiting column 118 is installed on the inner wall of the shell 1, the middle part of the second connecting rod 117 is rotatably installed on the outer wall of the limiting column 118 through a pin shaft, and the first connecting rod 116 moving towards the rear side can cause one end of the second connecting rod 117 to move towards the rear side together; the driving block 120 is installed at the other end of the second connecting rod 117; the clamping block 121 is installed on the inner side of the outer wall of the driving block 120 and is rotatably embedded in the inner cavity of the clamping groove 113, and the second connecting rod 117 rotating outwards can drive the driving block 120 and the clamping block 121 to gradually rotate outwards, so that the clamping block 121 is gradually separated from the inner cavity of the clamping groove 113; one end of the second hydraulic cylinder 122 is installed at the bottom end of the inner wall of the housing 1, and the other end of the second hydraulic cylinder 122 can penetrate the outer wall of the mold base 111 upward to be opposite to the mold core 112, the model of the second hydraulic cylinder 122 is MOB63 × 100, and when the second hydraulic cylinder 122 is opened, the second hydraulic cylinder can push the workpiece in the inner cavity of the mold base 111 to be separated from the inner cavity of the mold base 111 upward.

As a preferable scheme, further: a powder metallurgy sintering device convenient for replacing a die further comprises a feeding mechanism 8, wherein the feeding mechanism 8 comprises a storage box 81, a feeding pipe 82 and a first electric push rod 83, and the storage box 81 is arranged at the top end of a fixed plate 7; the feeding pipe 82 is communicated with the inner cavity of the storage box 81; the first electric push rod 83 is installed on the top end of the fixing plate 7 and connected to the outer wall of the storage box 81, the model of the first electric push rod 83 is HEB50, and the opened first electric push rod 83 pushes the storage box 81 and the metal powder in the inner cavity of the storage box 81 to the right, so that the storage box 81 gradually moves to the top end of the mold base 111 along the fixing plate 7 and the outer wall of the housing 1.

As a preferable scheme, further: the utility model provides a powder metallurgy sintering device convenient to change mould, storage box 81 is located the left side of mould seat 111, and the length of storage box 81 is less than the length of mould seat 111 top end opening part, and the width of storage box 81 is less than the width of mould seat 111 top end opening part to it is corresponding to guarantee that storage box 81 position and mould seat 111's position, and the material of storage box 81 inner chamber can get into the inner chamber of mould seat 111 completely.

The powder metallurgy sintering device convenient for replacing the die in the embodiment has the working principle or the using method comprising the following steps:

the method comprises the following steps: the metal powder enters the inner cavity of the storage box 81 through the feeding pipe 82, the opened first electric push rod 83 pushes the storage box 81 and the metal powder in the inner cavity of the storage box 81 to the right, so that the storage box 81 gradually moves to the top end of the die holder 111 along the outer walls of the fixed plate 7 and the shell 1, when the storage box 81 moves to correspond to the top end of the die holder 111, the metal powder in the inner cavity of the storage box 81 downwards enters the inner cavity of the die holder 111, and the storage box 81 which is conveyed can move leftwards under the action of the first electric push rod 83 until the storage box returns to the initial position, so that the conveying of the metal powder can be finished;

step two: the opened first hydraulic cylinder 5 can push the lifting plate 4 and the movable mould 6 downwards to move together, the movable mould 6 which moves downwards can be matched with the mould core 112, thereby realizing the die casting of the metal powder in the inner cavity of the mould seat 111, under the action of the opened second hydraulic cylinder 122, the die core 112 and the die-cast workpiece can be pushed upwards, in the process, the mold core 112 moving upward can drive the limiting groove 123 to move upward together with the inner cavity of the limiting block 124, when the workpiece moves upward to be separated from the inner cavity of the die holder 111, the clamping of the workpiece is realized by the clamping jaws 134, and as the output end of the second hydraulic cylinder 122 moves downward, the die core 112 can move downward along with the output end of the second hydraulic cylinder 122, thereby realizing that the workpiece stays in the inner cavity of the clamping jaw 134 and is conveyed to the top end of the outer wall of the conveying belt 94 through the control of the clamping jaw 134, the second mechanical arm 133 and the first mechanical arm 132;

step three: the motor 95 in an open state can drive the rotating roller 93 connected with the motor to rotate, so that the conveying belt 94 can drive the die-cast workpiece to enter the inner cavity of the sintering box 91 for sintering, and the sintered workpiece can be output from the right side of the sintering box 91, so that the whole die-casting and sintering operation of the workpiece can be completed;

step four: when the device needs to process workpieces with different models or shapes, the mold base 111 needs to be replaced, the second electric push rod 114 is controlled to withdraw the output end of the second electric push rod 114 towards the inner side, the second electric push rod 114 moving towards the inner side can drive the driving rod 115 to move towards the rear side together, so that one end of the first connecting rod 116 moves towards the rear side together, because one end of the second connecting rod 117 is rotatably connected with the first connecting rod 116 and the spacing column 118, the first connecting rod 116 moving towards the rear side can drive one end of the second connecting rod 117 to move towards the rear side together, so as to drive the second connecting rod 117 to rotate around the connecting part of the second connecting rod 117 and the spacing column 118, the second connecting rod 117 drives the driving block 120 and the clamping block 121 to rotate towards the outer side gradually, so that the clamping block 121 is separated from the inner cavity of the clamping groove 113 gradually, the mold base 111 is moved upwards by means of external force, and the detachment of the mold base 111 and the mold core 112 can be completed, the installation of the new die holder 111 can be realized by operating the new model or shape of the die holder 111 and the die core 112 in the opposite direction of the above steps, and the die-casting and sintering operation can be performed on the workpiece according to the new die holder 111 and the die core 112.

The above examples are applied in the field of metallurgical processing, and the data obtained after implementation prove that the results are as follows:

the device integrated type sintering is in an organic whole, can carry out a series of processing of die-casting shaping and sintering to the work piece, has guaranteed the continuity of the process flow of work piece more, has reduced the manufacturing cost who transports the work piece simultaneously, still can dismantle the change to mould seat and mould core to can realize processing the work piece of different models and shape, enlarged the die-casting shaping range of processing of equipment, and then enlarged sintering device's processing range, the practicality of equipment is stronger, and is functional stronger, satisfies the user demand more.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a powder metallurgy sintering device convenient to change mould, includes casing (1), blind groove has been seted up on casing (1) top, a plurality of bracing pieces (2) are installed on the top left side of casing (1), fixing base (3) are installed on the top of bracing piece (2), and lifter plate (4) slidable cup joints on the outer wall of bracing piece (2), first pneumatic cylinder (5) are installed on the top of fixing base (3), first pneumatic cylinder (5) output downwardly extending the outer wall of lifter plate (4), movable mould (6) are installed to the output of first pneumatic cylinder (5), its characterized in that still includes:

the fixing plate (7) is installed on the left side of the outer wall of the shell (1);

the sintering mechanism (9) is assembled on the right side of the top end of the shell (1);

the dismounting mechanism (11) is assembled in the inner cavity of the shell (1);

the sintering mechanism (9) comprises:

a sintering box (91) installed on the right side of the top end of the shell (1);

a plurality of mounting plates (92) which are respectively mounted at the top end of the shell (1);

a rotary roller (93) rotatably mounted on the inner side of the mounting plate (92);

the conveying belt (94) is sleeved on the outer wall of the rotating roller (93);

the motor (95) is arranged on the outer wall of the mounting plate (92), and the output end of the motor (95) is connected with one of the rotating rollers (93);

the disassembly mechanism (11) comprises:

the die base (111) is embedded in a blind groove inner cavity formed in the top end of the shell (1);

a mold core (112) disposed in the cavity of the mold base (111);

the number of the clamping grooves (113) is two, and the clamping grooves are respectively formed in two sides of the outer wall of the die seat (111);

a second electric push rod (114) with one end mounted on the inner wall of the shell (1);

a driving rod (115) mounted on the other end of the second electric push rod (114);

the number of the first connecting rods (116) is two, and one end of each first connecting rod is rotatably arranged on the outer wall of the corresponding driving rod (115);

the second connecting rod (117) is rotatably arranged at the other end of the first connecting rod (116), the second connecting rod (117) comprises a first rotating rod and a second rotating rod, the first rotating rod is connected with the second rotating rod, and the first rotating rod and the second rotating rod form a preset angle;

the limiting column (118) is mounted on the inner wall of the shell (1), and the middle part of the second connecting rod (117) is rotatably mounted on the outer wall of the limiting column (118);

a driving block (120) installed at the other end of the second connecting rod (117);

the clamping block (121) is installed on the inner side of the outer wall of the driving block (120) and is rotatably embedded in the inner cavity of the clamping groove (113);

and one end of the second hydraulic cylinder (122) is installed at the bottom end of the inner wall of the shell (1), and the other end of the second hydraulic cylinder can upwards penetrate through the outer wall of the mold base (111) to be opposite to the mold core (112).

2. The powder metallurgy sintering device for facilitating die replacement according to claim 1, further comprising a feeding mechanism (8), wherein the feeding mechanism (8) comprises:

the storage box (81) is arranged at the top end of the fixing plate (7);

the feeding pipe (82) is communicated with the inner cavity of the storage box (81);

the first electric push rod (83) is installed at the top end of the fixing plate (7) and connected with the outer wall of the storage box (81).

3. The powder metallurgy sintering device for facilitating die replacement according to claim 2, wherein: the storage box (81) is located on the left side of the die holder (111), the length of the storage box (81) is smaller than that of the opening at the top end of the die holder (111), and the width of the storage box (81) is smaller than that of the opening at the top end of the die holder (111).

4. The powder metallurgy sintering device for facilitating die change according to claim 1, further comprising a backing plate (10), wherein the backing plate (10) is installed on the outer wall of the shell (1) and is located above the conveying belt (94).

5. The powder metallurgy sintering device for facilitating die replacement according to claim 1, further comprising a conveying mechanism (13), wherein the conveying mechanism (13) comprises:

a base (131) mounted on the top end of the housing (1);

a first mechanical arm (132) with one end mounted on the top end of the base (131);

a second mechanical arm (133) rotatably mounted on the other end of the first mechanical arm (132);

a clamping jaw (134) rotatably mounted on the outer wall of the second mechanical arm (133).

6. The powder metallurgy sintering apparatus facilitating die change of claim 1, further comprising:

a plurality of limiting grooves (123) which are respectively arranged on the inner wall of the die seat (111);

and one end of the limiting block (124) is embedded in the inner cavity of the limiting groove (123) in a sliding manner, and the other end of the limiting block is installed on the outer wall of the mold core (112).