CN119140823A - Adhesive removing device for metal injection molding - Google Patents
Adhesive removing device for metal injection molding Download PDFInfo
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- CN119140823A CN119140823A CN202411599560.3A CN202411599560A CN119140823A CN 119140823 A CN119140823 A CN 119140823A CN 202411599560 A CN202411599560 A CN 202411599560A CN 119140823 A CN119140823 A CN 119140823A
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- placement
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- sliding
- ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a binder removal device for metal injection molding, which relates to the technical field of metal injection molding and aims to solve the technical problem that the binder removal device for metal powder injection molding is uneven in heating when carrying out binder removal on a cylindrical workpiece. According to the invention, the planetary rotating mechanism is arranged to drive the plurality of placing mechanisms to rotate and autorotate, so that when the adhesive is removed from the columnar workpieces subjected to metal powder injection molding, all the columnar workpieces change positions along with the movement of the placing mechanisms, the columnar workpieces are uniformly heated, the technical field of metal injection molding is solved, and the technical problem that the adhesive removing device for metal powder injection molding is uneven in heating when the adhesive is removed from the columnar workpieces is solved.
Description
Technical Field
The invention relates to the technical field of metal injection molding, in particular to an adhesive removing device for metal injection molding.
Background
The basic principle of the metal powder injection molding technology is that metal powder and an organic binder (or called sintering agent and bonding agent) are mixed to form a uniform mixture, then the mixture is injected into a mold cavity by an injection molding machine to be solidified and molded in a heating plasticizing state, then the binder is removed by a chemical solvent or a heating decomposition method, finally the final product is obtained by sintering densification, and the variety of workpieces formed by metal powder injection molding is various, wherein the workpieces comprise columnar workpieces such as studs and the like.
The binder removal device for the metal injection molding of the thermal decomposition comprises a degreasing furnace, the existing degreasing furnace comprises a degreasing furnace body, a placement mechanism is arranged in the degreasing furnace body in a sliding mode, when the cylindrical workpiece subjected to the metal powder injection molding is subjected to binder removal, the workpiece to be degreased is placed in the placement mechanism and pushed into the degreasing furnace, a furnace door is closed, the heating temperature and the heating time of the degreasing furnace are set, a heating system is started, in the heating process, the binder can gradually undergo a pyrolysis reaction to generate small molecules of gas, the small molecules of gas can be transmitted to the surface of a blank in a diffusion or permeation mode and are separated from the surface of the blank into an external atmosphere, and the generated harmful gas and residues can be discharged out of the furnace by an exhaust system of the degreasing furnace so as to keep the cleaning and stability of the environment in the furnace.
However, the existing placing mechanism on the degreasing furnace comprises a frame which can be in sliding fit with the inner cavity of the degreasing furnace, a plurality of placing plates are arranged on the frame, the columnar workpieces after metal powder injection molding are placed on the placing plates, when the columnar workpieces are heated to decompose the binder, the binder removal effect of the columnar workpieces can be affected due to uneven heating of the columnar workpieces at different positions, and in view of the above, we propose a binder removal device for metal injection molding.
Disclosure of Invention
The invention aims to provide a binder removal device for metal injection molding, which aims to solve the technical problem that the binder removal device for metal powder injection molding is not uniformly heated when carrying out binder removal on a cylindrical workpiece.
In order to solve the technical problems, the invention provides the technical scheme that the binder removing device for metal injection molding comprises a degreasing furnace body, wherein a rack is arranged in the degreasing furnace body in a sliding manner, a planetary rotating mechanism is arranged at the head end of the rack, and a placing mechanism is arranged at the tail end of the rack;
The planetary rotating mechanism comprises a mounting round block and a motor, wherein the mounting round block is fixedly arranged at the head end of the frame, a round groove is formed in the tail end of the mounting round block, a circular plate A is rotatably arranged at the head end of the round groove, an inner gear ring A is fixedly arranged at the tail end of the round groove, a sun gear is arranged at the center of the circular plate A and is rotatably connected with the circular plate A through a connecting rod A, the head end of the connecting rod A sequentially penetrates out of the circular plate A, the mounting round block and the head end of the frame and is fixedly connected with an output shaft of the motor, the motor is fixedly connected with the frame, and the sun gear is meshed and connected with the inner gear ring A through a plurality of planetary assemblies which are arranged in an annular equidistant structure;
The placing mechanism comprises two circular plates B, two circular plates B are relatively far away from one end, a swivel A is fixedly arranged at the end, which is connected with the tail end of the installation circular block in a rotating way, of one circular plate B, the other swivel A is connected with the tail end of the rack in a rotating way, a plurality of placing components are arranged in the gap of the installation circular block in an annular equidistant structure, the number of the placing components is equal to that of the planetary components, the two ends of the placing components are respectively connected with the two circular plates B in a rotating way, and the head end of the placing component penetrates out of the circular plate B at the head end and is connected with the planetary components. According to the invention, the planetary rotating mechanism is arranged to drive the plurality of placing mechanisms to rotate and autorotate, so that when the adhesive is removed from the columnar workpieces subjected to metal powder injection molding, all the columnar workpieces change positions along with the movement of the placing mechanisms, the columnar workpieces are uniformly heated, the technical field of metal injection molding is solved, and the technical problem that the adhesive removing device for metal powder injection molding is uneven in heating when the adhesive is removed from the columnar workpieces is solved.
Preferably, the planet assembly comprises a planet gear ring, two ends of the planet gear ring are respectively connected with the inner gear ring A and the sun gear in a meshed manner, the planet gear ring is rotationally connected with the circular plate A through a rotary ring B, an inner gear ring B is fixedly arranged on the inner edge surface of the planet gear ring, a central gear is arranged in the planet gear ring and is rotationally connected with the circular plate A through a connecting rod B, the central gear is in meshed connection with the inner gear ring B through at least one side gear, and the side gear is rotationally connected with the circular plate A through a connecting rod C.
Preferably, the placement component comprises two rotating plates, the two rotating plates are respectively arranged on the circular plates B in a rotating mode, the head ends of the rotating plates are located at the head ends of the rotating plates penetrate out of the circular plates B and are fixedly connected with the planetary gear rings, worms are arranged in gaps of the rotating plates, two ends of each worm are respectively connected with the two rotating plates in a rotating mode, the head ends of the worm penetrate out of the rotating plates located at the head ends of the rotating plates and are fixedly connected with the central gear, the two rotating plates are fixedly connected through a plurality of arc plates which are arranged in an annular equidistant structure, an installation cavity is formed by any two adjacent arc plate gaps, a plurality of placement units are arranged on the installation cavity in a linear equidistant structure, and the placement units are all meshed with the worms.
Preferably, the placing unit comprises a connecting shaft, two ends of the connecting shaft are fixedly connected with two ends of the mounting cavity, two part worm wheels are rotatably connected to the connecting shaft, the two part worm wheels are meshed with the worm, a mounting ring is fixedly arranged at one end of each part worm wheel, which is relatively close to one end of each part worm wheel, a plurality of placing modules are arranged in annular equidistant structures in gaps of the part worm wheels, and the two ends of each placing module are in plug-in connection with the two mounting rings through plug-in connection modules.
Preferably, a plurality of inserting grooves A are formed in the mounting ring in an annular equidistant mode, a plurality of inserting grooves A are formed in the plurality of inserting grooves A and a plurality of placing modules are equal in number, inserting grooves B are formed in the bottom end of each inserting groove A, stand columns are fixedly arranged in the inserting grooves B, sliding rods are fixedly arranged on the top ends of the stand columns, round table blocks A are fixedly arranged on the top ends of the sliding rods, round table blocks B are sleeved on the sliding rods, the round table blocks A and the round table blocks B are symmetrically arranged, two sliding grooves A are symmetrically formed in two sides of each inserting groove A, arc blocks are connected onto the sliding grooves A in a sliding mode, and a plurality of hole grooves are formed in the sliding grooves A and are correspondingly connected with the corresponding arc blocks in an elastic mode through springs A.
Preferably, the placement module comprises two sector plates, two ends of each sector plate are respectively in contact fit with two corresponding arc blocks, the two sector plates are fixedly connected through a plurality of connecting blocks which are arranged in an annular equidistant structure, a plurality of sliding grooves B are formed in the inner side of each sector plate in an annular equidistant structure, clamping blocks are connected in a sliding mode in the sliding grooves B, and the clamping blocks are elastically connected with the sliding grooves B through springs B.
Preferably, a plurality of movable grooves are formed in the outer side of the sector plate at positions corresponding to the positions of the sliding grooves B, arc grooves are formed in the movable grooves, the movable grooves are communicated with the arc grooves, movable plates are connected in a sliding mode in the arc grooves and are elastically connected with the arc grooves through springs C, the springs C are vortex-shaped, guide plates are fixedly arranged on the movable plates and are movably connected with the movable grooves, and the guide plates are of trapezoid structures.
Preferably, the plug-in module includes the plug-in post, the plug-in post set firmly in on the sector plate inner edge face, the fillet has been seted up to plug-in post bottom, the plug-in post with plug-in groove B grafting cooperation, plug-in post top has set firmly ring piece A, plug-in post bottom cover is equipped with ring piece B, ring piece A with ring piece B passes through spring D elastic connection, ring piece B with plug-in groove A clearance fit, the round hole has been seted up to plug-in post bottom, spout C has all been seted up to round hole bottom both sides, sliding connection has the slider on the spout C, the slider with spout C passes through spring E elastic connection, set firmly trapezoidal piece on the slider, trapezoidal piece wear out spout C and with round platform piece A clearance fit, trapezoidal piece with round platform piece B clearance fit.
Preferably, the middle part of the connecting shaft is fixedly provided with a rotating block, a plurality of protrusions are arranged on the circumference of the rotating block in an annular equidistant structure, and grooves are formed between any two adjacent protrusions.
A method of using an adhesive remover for metal injection molding, comprising the steps of:
S1, placing a columnar workpiece subjected to metal powder injection molding on a placement module, namely inserting the columnar workpiece into a clamping cavity formed by a clamping block gap from the inner side direction of a sector plate, so that the end part of the columnar workpiece is contacted with the inclined end of a guide plate, and placing all the columnar workpieces on a plurality of placement modules in the same way;
S2, installing a placement module;
S2.1, picking up the placement module, inserting the plug-in column into the plug-in groove B, enabling the bottom end of the ring block B to be in contact with the bottom end of the plug-in groove A, enabling the sliding block to enter a gap between the round table block A and the round table block B, enabling the ring block A to provide elasticity for the plug-in column and the placement module under the elastic action force of the spring D, enabling two corresponding arc blocks to be in contact with two ends of the sector plate, and further providing elasticity for the placement module under the elastic action force of the spring A, so that the placement module is installed;
S2.2, if all the placement modules which can be installed on the installed placement mechanism are not installed, the placement modules are not installed through the rotation of an output shaft of an external control motor, so that a sun gear drives a planet toothed ring to perform planetary revolution motion along an inner gear ring A, a circular plate A and a circular plate B rotate, the planet toothed ring rotates relative to the circular plate A, the planet toothed ring drives a central gear to rotate through a side gear, the central gear and the side gear rotate in a differential mode, the placement mechanism integrally rotates, a rotating plate and a worm rotate in a differential mode, the worm rotates to drive part of worm wheels to rotate relative to a connecting shaft, the positions of the placement modules on the placement assembly are changed, the placement modules are continuously installed in the same step S2.1, and the operation is continued until all the placement modules for placing columnar workpieces are installed;
s3, removing the adhesive of the columnar workpiece after the metal powder is injection molded;
Pushing the frame into the degreasing furnace body, closing the furnace door, setting the heating temperature and heating time of the degreasing furnace body, controlling the motor output shaft to rotate through an external control mechanism, enabling the placement mechanism to repeat the motion state of S2.2, enabling all columnar workpieces to be heated uniformly, improving the adhesive removal effect, enabling the columnar workpiece ends to be continuously contacted with the protrusions or the grooves under the elastic acting force of the springs C, enabling the placement module to rotate relative to the rotating block in the process of rotating part of the worm wheel relative to the connecting shaft, enabling the columnar workpieces to reciprocate in a clamping cavity formed by the two clamping blocks, enabling the clamped parts of the columnar workpieces to be heated alternately, and further improving the heated uniformity of the columnar workpieces;
S4, disassembling the placement module and the columnar workpiece, opening the furnace door after the binder of the columnar workpiece is removed, drawing out the rack, pressing the placement module to enable the sector plate and the splicing column to continuously rise, separating the trapezoid block from the round table block A, directly taking out the splicing module at the moment, repeating the step S2.2, taking out all the placement modules, and taking out the columnar workpiece from the placement module.
The beneficial effects of the invention are as follows:
1. According to the invention, the planetary rotating mechanism is arranged to drive the plurality of placing mechanisms to rotate and autorotate, so that when the adhesive is removed from the columnar workpieces subjected to metal powder injection molding, all the columnar workpieces change positions along with the movement of the placing mechanisms, the columnar workpieces are uniformly heated, the technical field of metal injection molding is solved, and the technical problem that the adhesive removing device for metal powder injection molding is uneven in heating when the adhesive is removed from the columnar workpieces is solved.
2. According to the invention, through the structural design of the planetary assembly and the placement assembly, the output shaft of the motor is controlled to rotate externally, so that the sun gear drives the planetary toothed ring to perform planetary revolution motion along the annular gear A, the annular plate A and the annular plate B rotate, the planetary toothed ring rotates relative to the annular plate A, the planetary toothed ring drives the central gear to rotate through the side gear, the central gear and the side gear rotate in a differential mode, the placement mechanism integrally rotates, the rotating plate and the worm rotate in a differential mode, the worm rotates to drive part of the worm wheel to rotate relative to the connecting shaft, the positions of placement modules on the placement assembly are changed, uniform heating of columnar workpieces is further facilitated, and the adhesive removing effect is improved, so that the technical problem that an adhesive removing device for metal powder injection molding is uneven in adhesive removing on the columnar workpieces is further solved.
3. According to the invention, the placement module and the rotating block are designed, the columnar workpiece end is continuously contacted with the bulge or the groove under the elastic acting force of the spring C, and meanwhile, in the process that part of worm wheel rotates relatively to the connecting shaft, the placement module rotates relatively to the rotating block, so that the columnar workpiece moves back and forth in a clamping cavity formed by the two clamping blocks, the clamped part of the columnar workpiece can be heated in turn, the uniformity of heating of the columnar workpiece is further improved, the adhesive removing effect is good, and the technical problem that the adhesive removing device for metal powder injection molding is uneven in adhesive removing on the columnar workpiece is further solved.
4. According to the invention, through the structural design of the plug-in module, only the plug-in module is required to be pressed when the placement module is installed, and only the plug-in module is required to be pressed when the placement module is disassembled, so that the placement module is convenient to assemble and disassemble.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the frame, planetary rotation mechanism, placement mechanism and placement assembly of the present invention.
Fig. 3 is a schematic diagram of the split structure of the frame, planetary rotation mechanism, placement mechanism and placement assembly of the present invention.
Fig. 4 is a schematic diagram of a split structure of the planetary rotation mechanism of the present invention.
Fig. 5 is a schematic structural view of the planetary assembly of the present invention.
Fig. 6 is a schematic structural view of the placement mechanism of the present invention.
Fig. 7 is a schematic structural view of the placement module of the present invention.
Fig. 8 is a schematic view of the structure of the worm and the placement unit of the present invention.
Fig. 9 is a schematic diagram showing a split structure of the placement unit in a use state of the present invention.
FIG. 10 is a schematic view of a portion of the worm gear and mounting ring of the present invention.
FIG. 11 is a schematic cross-sectional view of a mounting ring according to the present invention.
Fig. 12 is a schematic cross-sectional view of the placement module in the use state of the present invention.
Fig. 13 is a schematic cross-sectional view of the mounting ring, the placement module and the plug-in module of the present invention.
Fig. 14 is an enlarged schematic view of the structure at a in fig. 13.
Fig. 15 is a schematic view of the structure of the coupling, the swivel, the projection and the groove of the present invention.
Fig. 16 is a schematic cross-sectional structure of the placement unit of the present invention.
The reference numerals in the figures illustrate:
1. A degreasing furnace body; 2, a frame, 3, a planetary rotation mechanism, 4, a placement mechanism and 5, a placement component;
31. mounting round blocks, 32, round grooves, 33, round plates A, 34, an inner gear ring A, 35, a sun gear, 36, a connecting rod A, 37, a motor, 38 and a planetary assembly;
381. Planetary gear ring 382, swivel B, 383, inner gear ring B, 384, sun gear, 385, connecting rod B, 386, side gear, 387, connecting rod C;
41. A circular plate B, 42 and a swivel A;
51. The rotating plate, 52, the worm, 53, the arc plate, 54, the placing unit;
541. Connecting shaft 542, partial worm gear 543, mounting ring 544, placing module 545, inserting module;
5411. the rotary block 5412, the bulge 5413 and the groove;
5430. The spring A, 5431, the inserting groove A, 5432, the inserting groove B, 5433, the upright post, 5434, the sliding rod, 5435, the round table block A, 5436, the round table block B, 5437, the sliding groove A, 5438, the arc block, 5439 and the hole groove;
5440. connecting block 5441, sector plate 5442, slide groove B, 5443, clamping block 5444, spring B, 5445, movable groove 5446, arc groove, 5447, movable plate 5448, spring C, 5449 and guide plate;
5450. Trapezoid block, 5451, plug-in column, 5452, round guide angle, 5453, ring block A, 5454, ring block B, 5455, spring D, 5456, round hole, 5457, chute C, 5458, slider, 5459 and spring E.
Detailed Description
As shown in fig. 1 to 16, the invention relates to an adhesive removing device for metal injection molding, which solves the technical problems and comprises a degreasing furnace body 1, wherein a frame 2 is arranged in a sliding manner in the degreasing furnace body 1, a planetary rotating mechanism 3 is arranged at the head end of the frame 2, the planetary rotating mechanism 3 comprises a mounting round block 31 and a motor 37, the mounting round block 31 is fixedly arranged at the head end of the frame 2, a round groove 32 is formed at the tail end of the mounting round block 31, a circular plate A33 is rotatably arranged at the head end of the round groove 32, an annular ring A34 is fixedly arranged at the tail end of the circular groove 32, a sun gear 35 is arranged at the center of the circular plate A33, the sun gear 35 is rotatably connected with the circular plate A33 through a connecting rod A36, the connecting rod A36 sequentially penetrates out of the circular plate A33, the mounting round block 31 and the head end of the frame 2 and is fixedly connected with an output shaft of the motor 37, the motor 37 is fixedly connected with the frame 2, and the sun gear 35 is meshed with the annular ring A34 through a plurality of planetary assemblies 38 which are arranged in an annular equidistant structure;
The placing mechanism 4 is arranged at the tail end of the frame 2, the placing mechanism 4 comprises two circular plates B41, one ends, far away from each other, of the two circular plates B41 are fixedly provided with swivel A42, one swivel A42 is rotationally connected with the tail end of the installation round block 31, the other swivel A42 is rotationally connected with the tail end of the frame 2, a plurality of placing components 5 are arranged in the gap between the installation round blocks 31 at the two ends in an annular equidistant structure, the plurality of placing components 5 are equal to the plurality of planetary components 38, the two ends of the placing components 5 are respectively rotationally connected with the two circular plates B41, and the head end of the placing component 5 penetrates out of the circular plate B41 at the head end and is connected with the planetary components 38. Through the arrangement, the output shaft of the external control motor 37 rotates, so that the sun gear 35 drives the planetary assembly 38 to perform planetary revolution motion along the inner gear ring A34, the circular plate A33 and the circular plate B41 rotate, the planetary gear ring 381 rotates relative to the circular plate A33, and the placement assembly 5 performs planetary revolution motion.
In the embodiment of the present invention, the planetary assembly 38 includes a planetary gear ring 381, two ends of the planetary gear ring 381 are respectively engaged with the inner gear ring a34 and the sun gear 35, the planetary gear ring 381 is rotationally connected with the circular plate a33 through a rotating ring B382, an inner gear ring B383 is fixedly arranged on an inner edge surface of the planetary gear ring 381, a sun gear 384 is arranged in the planetary gear ring 381, the sun gear 384 is rotationally connected with the circular plate a33 through a connecting rod B385, the sun gear 384 is engaged with the inner gear ring B383 through at least one side gear 386, and the side gear 386 is rotationally connected with the circular plate a33 through a connecting rod C387. According to the invention, through the structural design of the planetary assembly 38, the output shaft of the external control motor 37 rotates, so that the sun gear 35 drives the planetary gear ring 381 to perform planetary revolution motion along the inner gear ring A34, the circular plate A33 and the circular plate B41 rotate, the planetary gear ring 381 rotates relative to the circular plate A33, the planetary gear ring 381 drives the central gear 384 to rotate through the side gear 386, and the central gear 384 and the side gear 386 rotate in a differential mode.
In the embodiment of the present invention, the placement component 5 includes two rotating plates 51, the two rotating plates 51 are respectively rotatably disposed on the two circular plates B41, the head end of the rotating plate 51 located at the head end penetrates out of the circular plate B41 and is fixedly connected with the planetary gear ring 381, a worm 52 is disposed in the gap between the two rotating plates 51, two ends of the worm 52 are respectively rotatably connected with the two rotating plates 51, the head end of the worm 52 penetrates out of the rotating plate 51 located at the head end and is fixedly connected with the central gear 384, the two rotating plates 51 are fixedly connected through a plurality of arc plates 53 disposed in an annular equidistant structure, the gaps between any two adjacent arc plates 53 form a mounting cavity, a plurality of placement units 54 are disposed on the mounting cavity in a linear equidistant structure, and the plurality of placement units 54 are engaged with the worm 52. The present embodiment is configured such that the disk B41 rotates with the rotation of the planetary gear ring 381, and the worm 52 rotates with the sun gear 384.
In the embodiment of the present invention, the placement unit 54 includes a connecting shaft 541, two ends of the connecting shaft 541 are fixedly connected with two ends of the installation cavity, two part worm gears 542 are rotatably connected to the connecting shaft 541, the two part worm gears 542 are engaged with the worm 52, one end, relatively close to the two part worm gears 542, of each part worm gear 542 is fixedly provided with a mounting ring 543, a plurality of placement modules 544 are arranged in an annular equidistant structure in the gap between the two part worm gears 542, and two ends of the placement modules 544 are in plug-in fit with the two mounting rings 543 through plug-in modules 545. By the arrangement, when the rotating plate 51 and the worm 52 rotate in a differential speed, the worm 52 rotates to drive part of the worm gear 542 to rotate relative to the connecting shaft 541, so that the position of each placement module 544 on the placement assembly 5 is changed.
In the embodiment of the invention, a plurality of inserting grooves A5431 are formed in the mounting ring 543 at equal intervals in an annular shape, the number of the inserting grooves A5431 is equal to that of the placing modules 544, an inserting groove B5432 is formed in the bottom end of the inserting groove A5431, a stand column 5433 is fixedly arranged in the inserting groove B5432, a slide rod 5434 is fixedly arranged at the top end of the stand column 5433, a round table block A5435 is fixedly arranged at the top end of the slide rod 5434, a round table block B5436 is sleeved on the slide rod 5434, two sliding grooves A5437 are symmetrically formed in two sides of the inserting groove A5431, arc blocks 5438 are connected to the sliding grooves A5437 in a sliding mode, a plurality of hole grooves 5439 are formed in the sliding groove A5437, and the arc blocks 5438 are elastically connected with the corresponding hole grooves 5439 through springs A5430.
In the embodiment of the present invention, the placement module 544 includes two sector plates 5441, two ends of the sector plates 5441 are respectively in contact fit with two corresponding arc blocks 5438, the two sector plates 5441 are fixedly connected through a plurality of connecting blocks 5440 arranged in an annular equidistant structure, a plurality of sliding grooves B5442 are formed in the inner side of the sector plate 5441 in an annular equidistant structure, and clamping blocks 5443 are slidably connected in the sliding grooves B5442, and the clamping blocks 5443 are elastically connected with the sliding grooves B5442 through springs B5444. The present invention clamps a columnar work piece injection-molded of metal powder by the clamp blocks 5443 formed of two clamp blocks 5443.
In the embodiment of the invention, the insertion module 545 comprises an insertion column 5451, the insertion column 5451 is fixedly arranged on the inner edge surface of the sector plate 5441, a round guide angle 5452 is arranged at the bottom end of the insertion column 5451, the insertion column 5451 is in insertion fit with the insertion groove B5432, a ring block A5453 is fixedly arranged at the top of the insertion column 5451, a ring block B5454 is sleeved at the bottom of the insertion column 5451, the ring block A5453 and the ring block B5454 are elastically connected through a spring D5455, the ring block B5454 is movably matched with the insertion groove A5431, a round hole 5456 is arranged at the bottom end of the insertion column 5451, sliding grooves C5457 are respectively arranged at two sides of the bottom end of the round hole 5456, a sliding block 5458 is connected onto the sliding groove C5457 in a sliding manner, the sliding block 5458 is elastically connected with the sliding groove C5459, the sliding block 5450 penetrates out of the sliding groove C5457 and is movably matched with the round table block A5435, and the sliding block 5450 is movably matched with the round table block B5436. According to the invention, through the arrangement, when the insertion column 5451 and the insertion groove B5432 are inserted, the trapezoid block 5450 is subjected to the reaction force of the round platform block A5435 to enable the sliding block 5458 to slide along the sliding groove C5457, the sliding block 5458 is enabled to enter a gap between the round platform block A5435 and the round platform block B5436, the ring block A5453 provides elastic force for the insertion column 5451 and the placement module 544 under the elastic force of the spring D5455, at the moment, two corresponding arc blocks 5438 are contacted with two ends of the sector plate 5441, and the elastic force is further provided for the placement module 544 under the elastic force of the spring A5430, so that the placement module 544 is installed; when the insertion column 5451 and the insertion groove B5432 are required to be inserted, the sector plate 5441 is pressed to enable the insertion column 5451 to be continuously inserted into the insertion groove B5432, the trapezoid block 5450 is subjected to the reaction force of the round table block B5436 to enable the sliding block 5458 to slide along the sliding groove C5457, so that the trapezoid block 5450 moves to the bottom end of the round table block B5436, the hand is loosened, under the elastic force of the spring D5455 and the spring a5430, the sector plate 5441 and the insertion column 5451 are lifted, the trapezoid block 5450 is lifted to drive the round table block B5436 to lift along the sliding rod 5434, the round table block B5436 is enabled to be in contact with the round table block a5435 to form a guide structure, the trapezoid block 5450 is separated from the round table block a5435 after the continuous lifting of the sector plate 5441 and the insertion column 5432, and the insertion module 545 can be directly taken out.
In the embodiment of the invention, a plurality of movable grooves 5445 are formed on the outer side of a sector plate 5441 and opposite to a plurality of sliding grooves B5442, an arc groove 5446 is formed in each movable groove 5445, each movable groove 5445 is communicated with each arc groove 5446, a movable plate 5447 is connected in a sliding manner in each arc groove 5446, each movable plate 5447 is elastically connected with each arc groove 5446 through a spring C5448, the springs C5448 are in a vortex shape, a guide plate 5449 is fixedly arranged on each movable plate 5447, the guide plates 5449 are movably connected with the corresponding movable grooves 5445, and the guide plates 5449 are in a trapezoid structure;
The middle part of the connecting shaft 541 is fixedly provided with a rotating block 5411, a plurality of protrusions 5412 are arranged on the circumference of the rotating block 5411 in an annular equidistant structure, and grooves 5413 are arranged between any two adjacent protrusions 5412. According to the invention, through the arrangement, in the process that part of worm gear 542 rotates relative to connecting shaft 541, placement module 544 rotates relative to rotating block 5411, so that the columnar workpiece moves back and forth in the clamping cavity formed by two clamping blocks 5443, the clamped part of the columnar workpiece can be heated in turn, and the uniformity of heating of the columnar workpiece is further improved.
A method of using an adhesive remover for metal injection molding, comprising the steps of:
s1, placing columnar workpieces subjected to metal powder injection molding on a placement module 544, namely inserting the columnar workpieces into a clamping cavity formed by a gap between clamping blocks 5443 from the inner side direction of a sector plate 5441, so that the end parts of the columnar workpieces are in contact with the inclined ends of a guide plate 5449, and placing all the columnar workpieces on a plurality of placement modules 544 in the same way;
s2, mounting a placement module 544;
S2.1, picking up the placement module 544, inserting the insertion column 5451 into the insertion groove B5432, enabling the bottom end of the ring block B5454 to be in contact with the bottom end of the insertion groove A5431, enabling the sliding block 5458 to enter a gap between the round table block A5435 and the round table block B5436, enabling the ring block A5453 to provide elastic force for the insertion column 5451 and the placement module 544 under the elastic force of the spring D5455, enabling two corresponding arc blocks 5438 to be in contact with two ends of the sector plate 5441, and further providing elastic force for the placement module 544 under the elastic force of the spring A5430, so that the placement module 544 is installed;
S2.2, adjusting the form of the placement module 544, if all the placement modules 544 which can be installed on the installed placement mechanism 4 are installed and then the placement module 544 is left to be not installed, the output shaft of the external control motor 37 rotates, so that the sun gear 35 drives the planetary gear ring 381 to perform planetary revolution motion along the inner gear ring A34, the circular plate A33 and the circular plate B41 rotate, the planetary gear ring 381 rotates relative to the circular plate A33, the planetary gear ring 381 drives the central gear 384 to rotate through the side gear 386, the central gear 384 and the side gear 386 rotate in a differential mode, the placement mechanism 4 integrally rotates, the rotating plate 51 and the worm 52 rotate in a differential mode, the worm 52 rotates to drive part of the worm gear 542 to rotate relative to the connecting shaft 541, the positions of the placement modules 544 on the placement assembly 5 are changed, the placement modules 544 are continuously installed in the same step S2.1, and the operation is continued until all the placement modules 544 for placing columnar workpieces are installed;
s3, removing the adhesive of the columnar workpiece after the metal powder is injection molded;
Pushing the frame 2 into the degreasing furnace body 1, closing a furnace door, setting the heating temperature and heating time of the degreasing furnace body 1, controlling the rotation of an output shaft of a motor 37 through an external control mechanism, enabling a placement mechanism 4 to repeat the motion state of S2.2, enabling all columnar workpieces to be heated uniformly, improving the adhesive removal effect, enabling the columnar workpiece ends to continuously contact with the protrusions 5412 or the grooves 5413 under the elastic acting force of a spring C5448, enabling the placement module 544 to rotate relative to the rotating block 5411 in the process that part of the worm gear 542 rotates relative to the connecting shaft 541, enabling the columnar workpieces to reciprocate in a clamping cavity formed by two clamping blocks 5443, enabling clamped parts of the columnar workpieces to be heated alternately, and further improving the heated uniformity of the columnar workpieces;
S4, the placement module 544 and the columnar workpiece are disassembled, after the binder of the columnar workpiece is removed, the furnace door is opened, the frame 2 is pulled out, the placement module 544 is pressed to enable the sector plate 5441 and the insertion column 5451 to continuously ascend, the trapezoid block 5450 is separated from the round table block A5435, the insertion module 545 can be directly taken out at the moment, the step S2.2 is repeated, all the placement modules 544 are taken out, and then the columnar workpiece is taken out from the placement module 544.
The embodiments of the present invention are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present invention.
Claims (10)
1. The binder removing device for metal injection molding comprises a degreasing furnace body (1), wherein a rack (2) is arranged in the degreasing furnace body (1) in a sliding manner, and the binder removing device is characterized in that a planetary rotating mechanism (3) is arranged at the head end of the rack (2), and a placing mechanism (4) is arranged at the tail end of the rack (2);
The planetary rotating mechanism (3) comprises a mounting round block (31) and a motor (37), the mounting round block (31) is fixedly arranged at the head end of the frame (2), a round groove (32) is formed in the tail end of the mounting round block (31), a circular plate A (33) is rotationally arranged at the head end of the round groove (32), an inner gear ring A (34) is fixedly arranged at the tail end of the round groove (32), a sun gear (35) is arranged at the center of the circular plate A (33), the sun gear (35) is rotationally connected with the circular plate A (33) through a connecting rod A (36), the head end of the connecting rod A (36) sequentially penetrates out of the circular plate A (33), the mounting round block (31) and the head end of the frame (2) are fixedly connected with an output shaft of the motor (37), and the motor (37) is fixedly connected with the frame (2), and the sun gear (35) and the inner gear ring A (34) are in meshed connection through a plurality of planetary assemblies (38) which are arranged in an annular equidistant structure.
Placement mechanism (4) are including two plectanes B (41), two plectane B (41) keep away from one end relatively all has set firmly swivel A (42), one of them swivel A (42) with installation circle piece (31) tail end rotates to be connected, another swivel A (42) with frame (2) tail end rotates to be connected, both ends be annular equidistant structure in installation circle piece (31) clearance and be equipped with a plurality of placement module (5), a plurality of placement module (5) with a plurality of planet subassembly (38) quantity equals, placement module (5) both ends respectively with two plectane B (41) rotate to be connected, placement module (5) head end wear out be located plectane B (41) of head end and with planet subassembly (38) are connected.
2. The binder removal device for metal injection molding according to claim 1, wherein the planetary assembly (38) comprises a planetary gear ring (381), two ends of the planetary gear ring (381) are respectively connected with the inner gear ring a (34) and the sun gear (35) in a meshed manner, the planetary gear ring (381) is rotationally connected with the circular plate a (33) through a rotating ring B (382), an inner gear ring B (383) is fixedly arranged on an inner edge surface of the planetary gear ring (381), a central gear (384) is arranged in the planetary gear ring (381), the central gear (384) is rotationally connected with the circular plate a (33) through a connecting rod B (385), the central gear (384) is in meshed connection with the inner gear ring B (383) through at least one side gear (386), and the side gear (386) is rotationally connected with the circular plate a (33) through a connecting rod C (387).
3. The binder removal device for metal injection molding according to claim 2, wherein the placement component (5) comprises two rotating plates (51), the two rotating plates (51) are respectively and rotatably arranged on the two circular plates (41), the head ends of the rotating plates (51) positioned at the head ends penetrate through the circular plates (41) and are fixedly connected with the planetary gear ring (381), worms (52) are arranged in gaps of the two rotating plates (51), two ends of the worms (52) are respectively and rotatably connected with the two rotating plates (51), the head ends of the worms (52) penetrate through the rotating plates (51) positioned at the head ends and are fixedly connected with the central gear (384), the two rotating plates (51) are fixedly connected through a plurality of arc plates (53) which are arranged in an annular equidistant structure, a plurality of placement units (54) are arranged on the installation cavity in a linear equidistant structure, and the placement units (54) are respectively meshed with the worms (52).
4. A binder removal apparatus for metal injection molding according to claim 3, wherein the placement unit (54) comprises a connecting shaft (541), both ends of the connecting shaft (541) are fixedly connected with both ends of the mounting cavity, two partial worm gears (542) are rotatably connected to the connecting shaft (541), the two partial worm gears (542) are engaged with the worm (52), mounting rings (543) are fixedly arranged at the two relatively close ends of the two partial worm gears (542), a plurality of placement modules (544) are arranged in annular equidistant structures in gaps of the two partial worm gears (542), and both ends of the placement modules (544) are in plug-in fit with the two mounting rings (543) through plug-in modules (545).
5. The binder removal device for metal injection molding according to claim 4, wherein a plurality of insertion grooves a (5431) are formed in the mounting ring (543) at equal intervals, a plurality of insertion grooves a (5431) and a plurality of placement modules (544) are equal in number, insertion grooves B (5432) are formed in the bottom ends of the insertion grooves a (5431), stand columns (5433) are fixedly arranged in the insertion grooves B (5432), sliding rods (5434) are fixedly arranged on the top ends of the stand columns (5433), round table blocks a (5435) are fixedly arranged on the top ends of the sliding rods (5434), round table blocks B (5436) are sleeved on the sliding rods (5434), the round table blocks a (5435) and the round table blocks B (5436) are symmetrically arranged, two sliding grooves a (5437) are symmetrically formed in two sides, arc blocks (5438) are connected to the sliding grooves a (5437) in a sliding mode, a plurality of hole grooves (5439) are formed in the sliding grooves a (5437), and the arc blocks (5438) are connected with the corresponding arc grooves (5438) through the arc grooves (5430).
6. The binder removal device for metal injection molding according to claim 5, wherein the placement module (544) comprises two sector plates (5441), two ends of each sector plate (5441) are respectively in contact fit with two corresponding arc blocks (5438), the two sector plates (5441) are fixedly connected through a plurality of connecting blocks (5440) which are arranged in an annular equidistant structure, a plurality of sliding grooves B (5442) are formed in the inner side of each sector plate (5441) in an annular equidistant structure, clamping blocks (5443) are connected in a sliding mode in the sliding grooves B (5442), and the clamping blocks (5443) are elastically connected with the sliding grooves B (5442) through springs B (5444).
7. The binder removal device for metal injection molding according to claim 6, wherein a plurality of movable grooves (5445) are formed in the outer side of the sector plate (5441) opposite to the positions of the sliding grooves B (5442), arc grooves (5446) are formed in the movable grooves (5445), the movable grooves (5445) are communicated with the arc grooves (5446), movable plates (5447) are connected in the arc grooves (5446) in a sliding mode, the movable plates (5447) are elastically connected with the arc grooves (5446) through springs C (5448), the springs C (5448) are in a vortex shape, guide plates (5449) are fixedly arranged on the movable plates (5447), the guide plates (5449) are movably connected with the movable grooves (5445), and the guide plates (5449) are in trapezoid structures.
8. The binder removal device for metal injection molding according to claim 7, wherein the insertion module (545) comprises an insertion column (5451), the insertion column (5451) is fixedly arranged on the inner edge surface of the sector plate (5441), a round guide corner (5452) is formed in the bottom end of the insertion column (5451), the insertion column (5451) is in insertion fit with the insertion groove B (5432), a ring block A (5453) is fixedly arranged at the top of the insertion column (5451), a ring block B (5454) is sleeved at the bottom of the insertion column (5451), the ring block A (5453) is elastically connected with the ring block B (5454) through a spring D (5455), the ring block B (5454) is in movable fit with the insertion groove A (5431), round holes (5456) are formed in the bottom end of the insertion column (5451), sliding grooves C (5457) are formed in two sides of the bottom ends of the round holes (5456), sliding blocks (5458) are connected with sliding blocks C (5457) in a sliding mode, and the sliding blocks (5458) are fixedly connected with the sliding blocks (5450) through the sliding blocks C (5457) and the sliding blocks (5450) in a sliding block C (5457) in a sliding mode.
9. The binder removal device for metal injection molding according to claim 8, wherein a rotating block (5411) is fixedly arranged in the middle of the connecting shaft (541), a plurality of protrusions (5412) are arranged on the circumference of the rotating block (5411) in an annular equidistant structure, and grooves (5413) are arranged between any two adjacent protrusions (5412).
10. A method of using an adhesive remover for metal injection molding according to claim 9, comprising the steps of:
S1, placing columnar workpieces subjected to metal powder injection molding on a placement module (544), namely inserting the columnar workpieces into a clamping cavity formed by gaps of clamping blocks (5443) from the inner side direction of a sector plate (5441) so that the ends of the columnar workpieces are in contact with inclined ends of a guide plate (5449), and placing all the columnar workpieces on a plurality of placement modules (544) in the same way;
s2, installing a placement module (544);
S2.1, picking up the placement module (544), inserting an insertion column (5451) into an insertion groove B (5432), enabling the bottom end of a ring block B (5454) to be in contact with the bottom end of an insertion groove A (5431), enabling a sliding block (5458) to enter a gap between a round table block A (5435) and the round table block B (5436), enabling the ring block A (5453) to provide elastic force for the insertion column (5451) and the placement module (544) under the elastic force of a spring D (5455), enabling two corresponding arc blocks (5438) to be in contact with two ends of a sector plate (5441), and enabling the placement module (544) to be further provided with elastic force under the elastic force of a spring A (5430), and enabling all the placement modules (544) which can be installed on a mountable placement mechanism (4) to be installed to be completed in the same steps as above;
S2.2, adjusting the form of the placement module (544), if all the placement modules (544) which can be installed on the installed placement mechanism (4) are not installed, the output shaft of an external control motor (37) rotates, so that a sun gear (35) drives a planet toothed ring (381) to perform planetary revolution motion along an inner gear ring A (34), a circular plate A (33) and a circular plate B (41) rotate, the planet toothed ring (381) rotates relative to the circular plate A (33), the planet toothed ring (381) drives a central gear (384) to rotate through a side gear (386), the central gear (384) and the side gear (386) rotate in a differential mode, the placement mechanism (4) integrally rotates, a rotating plate (51) and a worm (52) rotate in a differential mode, the worm (52) rotates to drive a part of a worm gear (542) to rotate relative to a connecting shaft (541), the placement modules (544) on the placement assembly (5) are continuously installed in the same S2.1 step until all the placement modules (544) are installed;
s3, removing the adhesive of the columnar workpiece after the metal powder is injection molded;
Pushing the frame (2) into the degreasing furnace body (1), closing the furnace door, setting the heating temperature and heating time of the degreasing furnace body (1), controlling the rotation of the output shaft of the motor (37) through an external control mechanism, enabling the placement mechanism (4) to repeat the motion state of S2.2, enabling all columnar workpieces to be heated uniformly, improving the adhesive removal effect, enabling the columnar workpiece ends to continuously contact with the protrusions (5412) or the grooves (5413) under the elastic acting force of the springs C (5448), enabling part of worm wheels (542) to rotate relative to the rotating block (5411) in the process of rotating relative to the connecting shaft (541), enabling the columnar workpieces to reciprocate in the clamping cavity formed by the two clamping blocks (5443), enabling the clamped parts of the columnar workpieces to be heated alternately, and further improving the heated uniformity of the columnar workpieces;
s4, disassembling the placement module (544) and the columnar workpiece, opening the furnace door after the binder of the columnar workpiece is removed, extracting the frame (2), pressing the placement module (544) to enable the sector plate (5441) and the insertion column (5451) to continuously ascend, separating the trapezoid block (5450) from the round table block A (5435), directly taking out the insertion module (545) at the moment, repeating the step S2.2, taking out all the placement modules (544), and taking out the columnar workpiece from the placement module (544).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411599560.3A CN119140823A (en) | 2024-11-11 | 2024-11-11 | Adhesive removing device for metal injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411599560.3A CN119140823A (en) | 2024-11-11 | 2024-11-11 | Adhesive removing device for metal injection molding |
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| Publication Number | Publication Date |
|---|---|
| CN119140823A true CN119140823A (en) | 2024-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411599560.3A Withdrawn CN119140823A (en) | 2024-11-11 | 2024-11-11 | Adhesive removing device for metal injection molding |
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| Country | Link |
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| CN (1) | CN119140823A (en) |
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Application publication date: 20241217 |