CN112917819A - Manufacturing method of precision injection molding part - Google Patents
Manufacturing method of precision injection molding part Download PDFInfo
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- CN112917819A CN112917819A CN202110079503.2A CN202110079503A CN112917819A CN 112917819 A CN112917819 A CN 112917819A CN 202110079503 A CN202110079503 A CN 202110079503A CN 112917819 A CN112917819 A CN 112917819A
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- injection molding
- clamping
- frame
- adjusting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1769—Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
Abstract
The invention relates to a manufacturing method of a precise injection molding part, which adopts a device for precisely machining the surface of the injection molding part, and comprises a bottom rack, a fixed rack, a rotating mechanism, a clamping and adjusting mechanism and a movable polishing mechanism, and can solve the following problems in the manufacturing and molding process of the precise injection molding part: a, in the manufacturing and forming process of the precision injection molding piece, because a burr structure exists on the surface of the precision injection molding piece, if burr is not removed, the existing burr structure can cause subsequent use of the precision injection molding piece and influence the use effect of the precision injection molding piece; b accurate injection molding usually need carry out the centre gripping fixed processing to becoming accurate injection molding in the contour machining process, can only fix the centre gripping to the accurate injection molding of a diameter, length in the fixed process of traditional centre gripping, if accurate injection molding model need not change different anchor clamps by a small or big margin, the cost is great, and the process is comparatively loaded down with trivial details, influences accurate injection molding shaping efficiency.
Description
Technical Field
The invention relates to the field of precision injection molding parts, in particular to a manufacturing method of a precision injection molding part.
Background
Injection molding is a method for producing and molding industrial products, and plastic products with various shapes are usually manufactured by moving a plastic molding die with thermoplastic materials through an injection molding machine, wherein the injection molding made of the thermoplastic materials, such as polyethylene or polypropylene, and a plurality of organic solvents are commonly used in daily necessities such as household appliances, kitchen ware and the like; the invention relates to a precision injection molding part, in particular to a manufacturing method of a precision injection molding part, which is mainly designed for a cylindrical injection molding part, wherein the size precision of a plastic product in a sound field reaches below 0.01mm, the precision injection molding part is usually used in the fields of aerospace, automobile parts, precision instruments and the like.
The following problems exist in the manufacturing and forming process of the current precision injection molding part: a, in the manufacturing and forming process of the precision injection molding piece, because a burr structure exists on the surface of the precision injection molding piece, if burr is not removed, the existing burr structure can cause subsequent use of the precision injection molding piece and influence the use effect of the precision injection molding piece; b accurate injection molding usually need carry out the centre gripping fixed processing to becoming accurate injection molding in the contour machining process, can only fix the centre gripping to the accurate injection molding of a diameter, length in the fixed process of traditional centre gripping, if accurate injection molding model need not change different anchor clamps by a small or big margin, the cost is great, and the process is comparatively loaded down with trivial details, influences accurate injection molding shaping efficiency.
Disclosure of Invention
Technical problem to be solved
The invention provides a manufacturing method of a precision injection molding piece, which can solve the following problems in the manufacturing and molding process of the precision injection molding piece: a, in the manufacturing and forming process of the precision injection molding piece, because a burr structure exists on the surface of the precision injection molding piece, if burr is not removed, the existing burr structure can cause subsequent use of the precision injection molding piece and influence the use effect of the precision injection molding piece; b accurate injection molding usually need carry out the centre gripping fixed processing to becoming accurate injection molding in the contour machining process, can only fix the centre gripping to the accurate injection molding of a diameter, length in the fixed process of traditional centre gripping, if accurate injection molding model need not change different anchor clamps by a small or big margin, the cost is great, and the process is comparatively loaded down with trivial details, influences accurate injection molding shaping efficiency.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: the precise injection molding part manufacturing method adopts an injection molding part surface finish machining device, the injection molding part surface finish machining device comprises a bottom rack, a fixed rack, a rotating mechanism, a clamping adjusting mechanism and a movable polishing mechanism, the left side of the upper end face of the bottom rack is provided with the fixed rack, the right end face of the fixed rack is provided with the rotating mechanism, the upper end face of the bottom rack is provided with a sliding groove, the inside of the sliding groove is provided with the clamping adjusting mechanism, and the position, between the fixed rack and the clamping adjusting mechanism, of the upper end face of the bottom rack is provided with the movable polishing mechanism in a sliding manner.
The rotating mechanism comprises a rotating motor, a clamping frame, a driving cylinder, a movable plate, a limiting spring rod, a limiting cylinder, a limiting frame, a reset spring rod and a clamping plate, wherein the rotating motor is arranged on the right end surface of the fixed frame through a motor base, the output shaft of the rotating motor is provided with the clamping frame through a flange plate, the clamping frame is of a cylindrical cavity structure, the driving cylinder is arranged on the side wall inside the clamping frame through a cylinder base, the movable plate is arranged on the right end surface of a driving shaft of the driving cylinder, the limiting cylinder is arranged on the right side of the movable plate, the limiting spring rods are arranged on the upper side and the lower side of the limiting cylinder, one end of the limiting spring rod is arranged on the limiting cylinder, the other end of the limiting spring rod is arranged on the inner wall of the clamping frame, the clamping plate is uniformly arranged inside, reset spring pole one end is installed on the grip block, and the reset spring pole other end is installed on the centre gripping frame inner wall, and spacing is installed to grip block left end face, and spacing left end setting is inside spacing section of thick bamboo.
The centre gripping adjustment mechanism including removing frame, screw lead screw, holding frame, centre gripping spring beam and grip block, removal frame slide and set up inside the sliding tray, threaded through-hole and screw hole have been seted up respectively on removing frame and the bottom frame, screw lead screw passes the screw hole and rotates and install inside threaded through-hole, the holding frame is installed at removing frame left end face, and the height of holding frame is unanimous with the highly keep of centre gripping frame, the inside circular cavity that is provided with of holding frame, the inside multiunit grip block that evenly installs along its axis direction circumference of circular cavity, bilateral symmetry is provided with centre gripping spring beam between grip block and the circular cavity, centre gripping spring beam one end is installed on circular cavity inner wall, the centre gripping spring beam other end is installed on the grip block, wherein grip block left end face be provided with from outside-in's slope structure.
The movable grinding mechanism comprises an electric slider, a movable frame, an adjusting branched chain, a lifting plate, a preprocessing branched chain, a spring rod, a fixed block and an elastic grinding belt, wherein the electric slider is symmetrically arranged on the upper end face of the bottom frame in a sliding mode, the movable frame is installed on the upper end face of the electric slider, the adjusting branched chain is installed on the upper end face of the movable frame, the lifting plate is installed on the adjusting branched chain, the spring rod is symmetrically installed on the front portion and the rear portion of the upper end face of the lifting plate, the fixed block is installed on the spring rod, the elastic grinding belt is connected between the fixed blocks in a clamping mode, and the preprocessing branched chain is installed on the right side, located on the spring rod, of the.
Adopt above-mentioned injection molding surface finishing device to carry out the surface treatment in-process to the precision injection molding, including the following step:
step one, pouring and forming: pouring the molten raw materials into a mold, and after the raw materials are cooled and molded, performing demolding treatment to obtain an injection molding piece;
step two, fine treatment: carrying out fine processing such as deburring and deburring on the injection molded part obtained by the first-step molding processing;
step three, forming treatment: according to the shape required by production, further molding and processing the injection molded part subjected to the second step of fine processing to obtain a precise injection molded part;
step four, collecting and processing: and collecting and stacking the precision injection molded parts obtained by the molding treatment in the third step.
Preferably, the adjusting branch chain comprises a bidirectional cylinder, an adjusting block, a connecting plate, an adjusting spring rod and an adjusting rack, wherein the bidirectional cylinder is mounted on the upper end face of the moving rack through a cylinder seat, the adjusting block is symmetrically and slidably arranged on the upper end face of the moving rack in a front-back manner, the connecting plate is arranged on the adjusting block, the adjusting spring rod is symmetrically arranged on the left side and the right side of the connecting plate, one end of the adjusting spring rod is mounted on the connecting plate, the other end of the adjusting spring rod is mounted on the moving rack, the adjusting rack is mounted on the upper end face of the connecting plate, and a lifting plate is mounted on the upper end face of the adjusting rack, wherein the part of the adjusting.
Preferably, the pretreatment branched chain comprises two spring rods, a rotating frame and a grinding roller, wherein three groups of the two spring rods are sequentially arranged on the lifting plate from front to back, the upper end surface of the lifting plate is symmetrically arranged on each group of the two spring rods in a bilateral mode, the rotating frame is arranged at the upper end of each group of the two spring rods, and the grinding roller is arranged in the rotating frame through a bearing.
Preferably, the right end face of the clamping plate is provided with an inclined plane structure from outside to inside, and a rubber strip is installed on one side of the clamping plate, which is in contact with the precision injection molding part.
Preferably, the clamping block and one side of accurate injection molding contact along from left to right direction seted up the recess, the guide roll is installed through the bearing to the recess inside.
Preferably, the limiting cylinder is of a circular cavity structure, and the diameter of the circular cavity structure is sequentially increased from left to right.
Preferably, the front end and the rear end of the elastic polishing belt are provided with fixed short blocks, mushroom-shaped protrusions are arranged on the fixed short blocks, mushroom-shaped grooves are formed in the fixed blocks, and the fixed short blocks are matched with the mushroom-shaped grooves through the mushroom-shaped protrusions to enable the elastic polishing belt to be clamped on the fixed blocks.
(III) advantageous effects
1. The invention provides a manufacturing method of a precision injection molding piece, which can solve the following problems in the manufacturing and molding process of the precision injection molding piece: a, in the manufacturing and forming process of the precision injection molding piece, because a burr structure exists on the surface of the precision injection molding piece, if burr is not removed, the existing burr structure can cause subsequent use of the precision injection molding piece and influence the use effect of the precision injection molding piece; b accurate injection molding usually need carry out the centre gripping fixed processing to becoming accurate injection molding in the contour machining process, can only fix the centre gripping to the accurate injection molding of a diameter, length in the fixed process of traditional centre gripping, if accurate injection molding model need not change different anchor clamps by a small or big margin, the cost is great, and the process is comparatively loaded down with trivial details, influences accurate injection molding shaping efficiency.
2. According to the rotating mechanism designed by the invention, the diameter of a cavity structure in the clamping cylinder is sequentially increased from left to right, the clamping cylinder is driven to move rightwards by the driving cylinder, the limiting frame is driven to move towards the axial direction of the clamping frame by the cavity structure in the rightward moving process of the clamping cylinder, the clamping plate is driven to move towards the axial direction of the clamping frame by the reset spring rod in the moving process of the limiting frame, so that precise injection-molded parts with different diameters can be clamped and fixed, wherein a rubber strip is arranged on one side of the clamping plate, which is in contact with the precise injection-molded parts, so that the friction force between the precise injection-molded parts and the clamping plate can be increased, the rigid collision between the precise injection-molded parts and the clamping plate can be avoided, the damage to the outer surface of the precise injection-molded parts can be caused, and.
3. According to the clamping adjusting mechanism designed by the invention, precise injection-molded parts with different diameters can be clamped and limited by the mutual matching of the clamping block and the clamping spring rod, and the device can clamp and limit precise injection-molded parts with different lengths by driving the moving frame to move through the threaded lead screw, wherein the friction between the clamping block and the precise injection-molded parts can be reduced by using the guide roller, so that the precise injection-molded parts can be rotated more easily.
4. In the moving grinding mechanism designed by the invention, the lifting plate can be driven to move by using the adjusting branch chain, the elastic grinding belt can be driven to be attached to the surface of a precision injection molding part by matching the first spring rod with the fixed block in the moving process of the lifting plate, the first spring rod can enable the elastic grinding belt to be always attached to the surface of the precision injection molding part tightly, the precision injection molding part can be polished, in the preprocessing branch chain, the lifting plate drives the second spring rod to move with the rotating rack, the grinding roller is driven to be attached to the surface of the precision injection molding part tightly in the moving process of the rotating rack, the precision injection molding part is subjected to primary grinding treatment, and the grinding and polishing effects are better by matching with the elastic grinding belt.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the internal structure of the clamping frame of the present invention;
FIG. 4 is a schematic view of the internal structure of the holder of the present invention;
FIG. 5 is a left side view of the holder of the present invention;
FIG. 6 is a schematic view of the mounting structure of the mobile grinding mechanism and the bottom frame of the present invention;
FIG. 7 is a schematic view of the mounting structure of the elastic sanding belt and the fixing block of the present invention;
FIG. 8 is a schematic perspective view of a spacing cylinder according to the present invention;
fig. 9 is a schematic perspective view of the adjusting block of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 9, a precision injection molding part manufacturing method adopts a precision injection molding part surface finishing device, which comprises a bottom rack 1, a fixed rack 2, a rotating mechanism 3, a clamping and adjusting mechanism 4 and a movable polishing mechanism 5, wherein the fixed rack 2 is installed on the left side of the upper end surface of the bottom rack 1, the rotating mechanism 3 is installed on the right end surface of the fixed rack 2, a sliding groove is formed in the upper end surface of the bottom rack 1, the clamping and adjusting mechanism 4 is installed inside the sliding groove, and the movable polishing mechanism 5 is installed at the position, between the fixed rack 2 and the clamping and adjusting mechanism 4, of the upper end surface of the bottom rack 1 in a sliding manner.
The rotating mechanism 3 comprises a rotating motor 31, a clamping frame 32, a driving cylinder 33, a moving plate 34, a limiting spring rod 35, a limiting cylinder 36, a limiting frame 37, a reset spring rod 38 and a clamping plate 39, wherein the rotating motor 31 is installed on the right end face of the fixed frame 2 through a motor base, the clamping frame 32 is installed on an output shaft of the rotating motor 31 through a flange, the clamping frame 32 is of a cylindrical cavity structure, the driving cylinder 33 is installed on the side wall inside the clamping frame 32 through a cylinder base, the moving plate 34 is installed on the right end face of a driving shaft of the driving cylinder 33, the limiting cylinder 36 is arranged on the right side of the moving plate 34, the limiting spring rods 35 are arranged on the upper side and the lower side of the limiting cylinder 36, one end of each limiting spring rod 35 is installed on the limiting cylinder 36, the other end of each limiting spring rod 35 is installed on the inner wall of the, reset spring rods 38 are symmetrically arranged between the clamping plate 39 and the inner wall of the clamping frame 32 in a bilateral mode, one end of each reset spring rod 38 is arranged on the clamping plate 39, the other end of each reset spring rod 38 is arranged on the inner wall of the clamping frame 32, a limiting frame 37 is arranged on the left end face of the clamping plate 39, the left end of each limiting frame 37 is arranged inside a limiting cylinder 36, when the device works in detail, one end of a precision injection molding piece is placed inside the clamping frame 32 through manual or existing equipment, the other end of the precision injection molding piece is placed in a clamping adjusting mechanism 4, a driving air cylinder 33 is started to drive a moving plate 34 to move, the limiting cylinder 36 is driven to move rightwards through the limiting spring rods 35 in the moving process of the moving plate 34, the limiting frame 37 is driven to move in the rightwards moving process of the limiting cylinder 36, the clamping plate 39 is driven to move in the moving process of the limiting frame, the clamping frame 32 rotates the in-process and carries out burnishing and polishing to accurate injection molding through mutually supporting with removal grinding machanism 5, wherein reset spring pole 38 remove the in-process at clamping plate 39 and play the reset effect to clamping plate 39, clamping plate 39's synchronous movement centre gripping can carry out the centre gripping to the accurate injection molding of different diameters and handle for the suitability of device is wider.
The limiting cylinder 36 is of a circular cavity structure, the diameter of the circular cavity structure is sequentially increased from left to right, the driving cylinder 33 drives the clamping cylinder to move rightwards, the limiting frame 37 is driven to move towards the axis direction of the clamping frame 32 through the circular cavity structure, the clamping plate 39 is driven to move towards the axis direction of the clamping frame 32 through the reset spring rod 38 in the moving process of the limiting frame 37, and clamping and fixing treatment on precise injection molded parts with different diameters can be achieved.
The right-hand member face of grip block 39 from the outside inwards be provided with the inclined plane structure, the rubber strip is installed to grip block 39 and the one side of accurate injection molding contact, the setting of inclined plane structure is convenient for accurate injection molding to get into between grip block 39, plays the guide effect, the use of rubber strip both can increase the frictional force between grip block 39 and the accurate injection molding for the centre gripping is inseparabler, can avoid the rigidity collision between accurate injection molding and the grip block 39 again, reduces the damage of accurate injection molding.
The clamping adjusting mechanism 4 comprises a moving frame 41, a threaded lead screw 42, a clamping frame 43, a clamping spring rod 44 and a clamping block 45, wherein the moving frame 41 is arranged inside a sliding groove in a sliding mode, the moving frame 41 and the bottom rack 1 are respectively provided with a threaded through hole and a threaded hole, the threaded lead screw 42 passes through the threaded hole and is rotatably arranged inside the threaded through hole, the clamping frame 43 is arranged on the left end face of the moving frame 41, the height of the clamping frame 43 is consistent with that of the clamping frame 32, a circular cavity is arranged inside the clamping frame 43, a plurality of groups of clamping blocks 45 are uniformly arranged inside the circular cavity along the axial direction of the circular cavity in the circumferential direction, the clamping spring rods 44 are symmetrically arranged between the clamping block 45 and the circular cavity in the left-right mode, one end of the clamping spring rod 44 is arranged on the inner wall of the circular cavity, the other end of the clamping spring rod 44 is arranged on, during specific work, according to the length size of accurate injection molding, screw lead screw 42 rotates the in-process and drives and remove 41 and remove the operating position, when removing 41 and removing the operating position, place accurate injection molding inside holding frame 43 through artifical or existing equipment, accurate injection molding is placing the in-process, grip block 45 carries out the centre gripping spacingly through centre gripping spring lever 44 to accurate injection molding, carry out the centre gripping through mutually supporting to accurate injection molding with slewing mechanism 3, drive accurate injection molding through slewing mechanism 3 and rotate in the clamping process.
One side of grip block 45 and accurate injection molding contact along having seted up the recess from left right side direction, the guide roll is installed through the bearing to the recess inside, the use of guide roll can reduce accurate injection molding and the grip block 45 between frictional force, do benefit to the rotation effect of accurate injection molding.
The movable polishing mechanism 5 comprises an electric slider 51, a movable rack 52, an adjusting branched chain 53, a lifting plate 54, a preprocessing branched chain 55, a first spring rod 56, a fixed block 57 and an elastic polishing belt 58, wherein the electric slider 51 is arranged on the upper end surface of the bottom rack 1 in a sliding manner in a front-back symmetrical manner, the movable rack 52 is arranged on the upper end surface of the electric slider 51, the adjusting branched chain 53 is arranged on the upper end surface of the movable rack 52, the lifting plate 54 is arranged on the upper end surface of the adjusting branched chain 53, the first spring rod 56 is arranged on the upper end surface of the lifting plate 54 in a front-back symmetrical manner, the fixed block 57 is arranged on the first spring rod 56, the elastic polishing belt 58 is clamped between the fixed blocks 57, the preprocessing branched chain 55 is arranged on the right side of the first spring rod 56 on the upper end surface of the lifting plate 54, during the specific work, the adjusting branched chain 53 is started to drive the lifting plate 54 to, the lifting plate 54 drives the first spring rod 56 to move in the moving process, the first spring rod 56 drives the elastic polishing belt 58 to abut against the surface of the precision injection molding part through the fixing block 57 in the moving process, the elastic polishing belt 58 and the preprocessing branched chain 55 are matched with each other to polish and polish the precision injection molding part in a grading manner, surface burrs are removed more cleanly, the elastic polishing belt 58 can be driven to tightly abut against the surface of the precision injection molding part all the time by the aid of the first spring rod 56, and polishing effects are better.
The adjusting branched chain 53 comprises a bidirectional cylinder 531, an adjusting block 532, a connecting plate 533, an adjusting spring rod 534 and an adjusting frame 535, wherein the bidirectional cylinder 531 is mounted on the upper end surface of the moving frame 52 through a cylinder seat, the adjusting block 532 is slidably disposed on the upper end surface of the moving frame 52 in a front-back symmetrical manner, the connecting plate 533 is disposed on the adjusting block 532, the adjusting spring rod 534 is symmetrically disposed on the connecting plate 533 in a left-right symmetrical manner, one end of the adjusting spring rod 534 is mounted on the connecting plate 533, the other end of the adjusting spring rod 534 is mounted on the moving frame 52, the adjusting frame 535 is mounted on the upper end surface of the connecting plate 533, the upper end surface of the adjusting frame 535 is mounted with a lifting plate 54, wherein the contact part of the adjusting block 532 and the connecting plate 533 is set to be a ladder-shaped structure, an, regulating block 532 removes the in-process and drives connecting plate 533 and carry out the motion of vertical direction, and wherein adjusting spring pole 534 plays the effect of resetting, and connecting plate 533 removes in-process and drives adjusting frame 535 and remove, and adjusting frame 535 removes in-process and drives lifter plate 54 and remove and drive operating position, can polish different diameter precision injection molding for the application scope of removing grinding machanism 5 is wider, wherein regulating block 532 set up to the notch cuttype structure can carry out ration altitude mixture control, the accuracy is higher through connecting plate 533 to lifter plate 54.
The pretreatment branched chain 55 comprises two spring rods 551, a rotating rack 552 and a grinding roller 553, wherein three groups of two spring rods 551 are sequentially arranged on the lifting plate 54 from front to back, the upper end surface of the lifting plate 54 is symmetrically arranged on each group of two spring rods 551 left and right, the rotating rack 552 is arranged at the upper end of each group of two spring rods 551, the grinding roller 553 is arranged in the rotating rack 552 through a bearing, during specific work, the lifting plate 54 drives the two spring rods 551 to move in the moving process, the rotating rack 552 is driven to move in the moving process of the two spring rods 551, the grinding roller 553 is driven to abut against the surface of a precise injection molding part in the moving process of the rotating rack 552, and the grinding roller 553 abuts against the precise injection molding part all the time due to the use of the two spring rods 551, so that the grinding effect is better for 553.
Adopt above-mentioned injection molding surface finishing device to carry out the surface treatment in-process to the precision injection molding, including the following step:
step one, pouring and forming: pouring the molten raw materials into a mold, and after the raw materials are cooled and molded, performing demolding treatment to obtain an injection molding piece;
step two, fine treatment: carrying out fine processing such as deburring and deburring on the injection molding obtained by the first-step molding processing by using the injection molding surface finish machining device;
step three, forming treatment: according to the shape required by production, further molding and processing the injection molded part subjected to the second step of fine processing to obtain a precise injection molded part;
step four, collecting and processing: and collecting and stacking the precision injection molded parts obtained by the molding treatment in the third step.
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 (7)
1. The manufacturing method of the precision injection molding part adopts a surface finish machining device of the injection molding part, the surface finish machining device of the injection molding part comprises a bottom rack (1), a fixed rack (2), a rotating mechanism (3), a clamping adjusting mechanism (4) and a movable polishing mechanism (5), and is characterized in that: a fixed frame (2) is installed on the left side of the upper end face of the bottom frame (1), a rotating mechanism (3) is installed on the right end face of the fixed frame (2), a sliding groove is formed in the upper end face of the bottom frame (1), a clamping and adjusting mechanism (4) is installed inside the sliding groove, and a movable polishing mechanism (5) is installed at a position, located between the fixed frame (2) and the clamping and adjusting mechanism (4), of the upper end face of the bottom frame (1) in a sliding mode; wherein:
the rotating mechanism (3) comprises a rotating motor (31), a clamping frame (32), a driving cylinder (33), a moving plate (34), a limiting spring rod (35), a limiting barrel (36), a limiting frame (37), a reset spring rod (38) and a clamping plate (39), wherein the rotating motor (31) is installed on the right end face of the fixed frame (2) through a motor base, the clamping frame (32) is installed on an output shaft of the rotating motor (31) through a flange, the clamping frame (32) is of a cylindrical cavity structure, the driving cylinder (33) is installed on the inner side wall of the clamping frame (32) through a cylinder base, the moving plate (34) is installed on the right end face of the driving shaft of the driving cylinder (33), the limiting barrel (36) is arranged on the right side of the moving plate (34), the limiting spring rods (35) are arranged on the upper side and the lower side of the limiting barrel (36), one end, the other end of the limiting spring rod (35) is installed on the inner wall of the clamping frame (32), the clamping plate (39) is circumferentially and uniformly arranged inside the clamping frame (32) along the axial direction of the clamping frame (32), the reset spring rods (38) are symmetrically arranged between the clamping plate (39) and the inner wall of the clamping frame (32) in the left-right direction, one end of each reset spring rod (38) is installed on the clamping plate (39), the other end of each reset spring rod (38) is installed on the inner wall of the clamping frame (32), the limiting frame (37) is installed on the left end face of the clamping plate (39), and the left end of the limiting frame (37) is arranged inside the limiting barrel (36);
the clamping adjusting mechanism (4) comprises a moving frame (41), a threaded lead screw (42), a clamping frame (43), a clamping spring rod (44) and a clamping block (45), wherein the moving frame (41) is arranged inside a sliding groove in a sliding mode, a threaded through hole and a threaded hole are formed in the moving frame (41) and a bottom rack (1) respectively, the threaded lead screw (42) penetrates through the threaded hole to be rotatably arranged inside the threaded through hole, the clamping frame (43) is arranged on the left end face of the moving frame (41), the height of the clamping frame (43) is consistent with that of a clamping frame (32), a circular cavity is arranged inside the clamping frame (43), a plurality of groups of clamping blocks (45) are uniformly arranged inside the circular cavity along the axial direction of the circular cavity in a circumferential mode, the clamping spring rods (44) are symmetrically arranged between the clamping blocks (45) and the circular cavity in a left-right mode, one end of the clamping spring rod, the other end of the clamping spring rod (44) is arranged on a clamping block (45), wherein the left end surface of the clamping block (45) is provided with an inclined structure from outside to inside;
the movable grinding mechanism (5) comprises an electric slide block (51), a movable frame (52), an adjusting branched chain (53), a lifting plate (54), a pretreatment branched chain (55), a first spring rod (56), a fixed block (57) and an elastic grinding belt (58), the electric polishing machine is characterized in that an electric slider (51) is arranged on the upper end face of a bottom rack (1) in a sliding mode in a front-back symmetrical mode, a movable rack (52) is installed on the upper end face of the electric slider (51), an adjusting branched chain (53) is installed on the upper end face of the movable rack (52), a lifting plate (54) is installed on the upper end of the adjusting branched chain (53), a first spring rod (56) is installed on the upper end face of the lifting plate (54) in a front-back symmetrical mode, a fixing block (57) is installed on the first spring rod (56), an elastic polishing belt (58) is clamped between the fixing blocks (57), and a preprocessing branched chain (55) is installed on the upper end face of the lifting;
adopt above-mentioned injection molding surface finishing device to carry out the surface treatment in-process to the precision injection molding, including the following step:
step one, pouring and forming: pouring the molten raw materials into a mold, and after the raw materials are cooled and molded, performing demolding treatment to obtain an injection molding piece;
step two, fine treatment: carrying out fine processing such as deburring and deburring on the injection molding obtained by the first-step molding processing by using the injection molding surface finish machining device;
step three, forming treatment: according to the shape required by production, further molding and processing the injection molded part subjected to the second step of fine processing to obtain a precise injection molded part;
step four, collecting and processing: and collecting and stacking the precision injection molded parts obtained by the molding treatment in the third step.
2. The method of claim 1, wherein the step of manufacturing the precision injection molded part comprises the steps of: the adjusting branched chain (53) comprises a bidirectional cylinder (531), an adjusting block (532), a connecting plate (533), an adjusting spring rod (534) and an adjusting rack (535), wherein the bidirectional cylinder (531) is mounted on the upper end face of the moving rack (52) through a cylinder seat, the adjusting block (532) is arranged on the upper end face of the moving rack (52) in a sliding manner in a front-back symmetrical manner, the connecting plate (533) is arranged on the adjusting block (532), the adjusting spring rods (534) are symmetrically arranged on the left and right of the connecting plate (533), one end of the adjusting spring rod (534) is mounted on the connecting plate (533), the other end of the adjusting spring rod (534) is mounted on the moving rack (52), the adjusting rack (535) is mounted on the upper end face of the connecting plate (533), a lifting plate (54) is mounted on the upper end face of the adjusting rack (535), and the portion of the adjusting block (532), an inclined structure is arranged between every two steps.
3. The method of claim 1, wherein the step of manufacturing the precision injection molded part comprises the steps of: the pretreatment branched chain (55) comprises two spring rods (551), a rotating rack (552) and a grinding roller (553), wherein the lifting plate (54) is sequentially provided with three groups of two spring rods (551) from front to back, the upper end surfaces of the lifting plate (54) are symmetrically arranged at the left and right sides of each group of two spring rods (551), the rotating rack (552) is arranged at the upper end of each group of two spring rods (551), and the grinding roller (553) is arranged in the rotating rack (552) through a bearing.
4. The method of claim 1, wherein the step of manufacturing the precision injection molded part comprises the steps of: the right end face of the clamping plate (39) is provided with an inclined plane structure from outside to inside, and a rubber strip is installed on one side of the clamping plate (39) contacting with the precision injection molding piece.
5. The method of claim 1, wherein the step of manufacturing the precision injection molded part comprises the steps of: one side edge from left right direction that grip block (45) and accurate injection molding contact seted up the recess, the guide roll is installed through the bearing to the recess inside.
6. The method of claim 1, wherein the step of manufacturing the precision injection molded part comprises the steps of: the limiting cylinder (36) is of a circular cavity structure, and the diameter of the circular cavity structure is sequentially increased from left to right.
7. The method of claim 1, wherein the step of manufacturing the precision injection molded part comprises the steps of: the front end and the rear end of the elastic polishing belt (58) are provided with fixed short blocks, mushroom-shaped protrusions are arranged on the fixed short blocks, mushroom-shaped grooves are formed in the fixed blocks (57), and the fixed short blocks are matched with the mushroom-shaped grooves through the mushroom-shaped protrusions to enable the elastic polishing belt (58) to be clamped on the fixed blocks (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079503.2A CN112917819A (en) | 2021-01-21 | 2021-01-21 | Manufacturing method of precision injection molding part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079503.2A CN112917819A (en) | 2021-01-21 | 2021-01-21 | Manufacturing method of precision injection molding part |
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| Publication Number | Publication Date |
|---|---|
| CN112917819A true CN112917819A (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110079503.2A Withdrawn CN112917819A (en) | 2021-01-21 | 2021-01-21 | Manufacturing method of precision injection molding part |
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| Country | Link |
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| CN (1) | CN112917819A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403689A (en) * | 2022-02-17 | 2022-04-29 | 浙江钰信钢铁有限公司 | High-strength composite-bottom enamel non-stick pan |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356295A (en) * | 2018-02-22 | 2018-08-03 | 德清利维通讯科技股份有限公司 | A kind of material-receiving device and its control method of numerically controlled lathe |
| CN109318250A (en) * | 2018-10-31 | 2019-02-12 | 宁波杰立化妆品包装用品有限公司 | A kind of cosmetic pencil mechanical grip mechanism |
| CN110181372A (en) * | 2019-06-17 | 2019-08-30 | 马单智 | A kind of metal sheet double-side efficient burnishing device |
| CN111604395A (en) * | 2020-06-02 | 2020-09-01 | 张晓波 | Nonrust steel pipe machining is with integration equipment of polishing of bending |
-
2021
- 2021-01-21 CN CN202110079503.2A patent/CN112917819A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356295A (en) * | 2018-02-22 | 2018-08-03 | 德清利维通讯科技股份有限公司 | A kind of material-receiving device and its control method of numerically controlled lathe |
| CN109318250A (en) * | 2018-10-31 | 2019-02-12 | 宁波杰立化妆品包装用品有限公司 | A kind of cosmetic pencil mechanical grip mechanism |
| CN110181372A (en) * | 2019-06-17 | 2019-08-30 | 马单智 | A kind of metal sheet double-side efficient burnishing device |
| CN111604395A (en) * | 2020-06-02 | 2020-09-01 | 张晓波 | Nonrust steel pipe machining is with integration equipment of polishing of bending |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403689A (en) * | 2022-02-17 | 2022-04-29 | 浙江钰信钢铁有限公司 | High-strength composite-bottom enamel non-stick pan |
| CN114403689B (en) * | 2022-02-17 | 2022-11-15 | 浙江钰信钢铁有限公司 | High-strength composite-bottom enamel non-stick pan |
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Application publication date: 20210608 |