CN112296818B - Polishing process of plastic extrusion molding plastic product - Google Patents
Polishing process of plastic extrusion molding plastic product Download PDFInfo
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- CN112296818B CN112296818B CN202011110345.4A CN202011110345A CN112296818B CN 112296818 B CN112296818 B CN 112296818B CN 202011110345 A CN202011110345 A CN 202011110345A CN 112296818 B CN112296818 B CN 112296818B
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- B24B41/02—Frames; Beds; Carriages
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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
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/08—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing combined with fluid systems
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a polishing process of an extrusion molding plastic product, which uses an extrusion molding plastic product polishing device, the extrusion molding plastic product polishing device comprises a workbench, the workbench is of a reversed V-21274with an upward opening, frame plates are symmetrically arranged on the left and right of the opposite surface of the workbench close to a horizontal section, an inner end polishing mechanism is arranged on the upper end surface of the horizontal section of the workbench and positioned between two groups of frame plates, a fixing mechanism is arranged in the horizontal section of the workbench, an outer end polishing mechanism is arranged above the inner end polishing mechanism, and a reciprocating mechanism is arranged on the rear side of the upper end surface of the workbench. The later use effect is ensured.
Description
Technical Field
The invention relates to the technical field of plastic molding processing, in particular to a polishing process of an extrusion molding plastic product.
Background
Plastics are high molecular compounds obtained by polymerizing monomers as raw materials through addition polymerization or polycondensation, and the high molecular compounds have medium deformation resistance and are arranged between fibers and rubber and composed of synthetic resin, fillers, plasticizers, stabilizers, lubricants, pigments and other additives. The resin accounts for about 40 to 100 percent of the total weight of the plastic, the basic performance of the plastic is mainly determined by the nature of the resin, but the additive plays an important role, some plastics basically consist of synthetic resin, contain no or few additives, such as organic glass, polystyrene and the like, clinker is formed in various ways, the most common way is extrusion molding, the extrusion molding is also called extrusion molding in plastic processing, extrusion molding in non-rubber extruder processing is that extrusion is carried out on a die by using hydraulic press pressure, and the extrusion molding refers to a processing method that materials are heated and plasticized by a screw rod while passing through the action between a barrel and the screw rod of an extruder, and are continuously pushed by the screw rod to form various cross-section products or semi-products, but the following problems occur in the plastic product extrusion molding process:
1. the surface of a common plastic molding workpiece formed by extrusion molding has more burrs and uneven surfaces, when the surface of the molding workpiece is polished, the burrs at part of corners are difficult to remove due to the surface shape of the molding workpiece and other reasons, so that the workpiece is influenced to a certain extent in later use;
2. when the surface of a formed workpiece is polished, the formed workpiece needs to be fixed, and the formed workpiece is easily damaged by a fixing clamp when being fixed, so that later use is influenced.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme that an extrusion molding plastic product polishing process uses an extrusion molding plastic product polishing device, the extrusion molding plastic product polishing device comprises a workbench, a frame plate, a fixing mechanism, an inner end polishing mechanism, an outer end polishing mechanism and a reciprocating mechanism, and the process for polishing the plastic product by adopting the extrusion molding plastic product polishing device is as follows:
s1, placing a formed workpiece: placing the extruded workpiece on a frame plate of a workbench, and sleeving a convex part of the workpiece on an inner end polishing mechanism;
s2, fixing the workpiece: after the step of S1 is finished, fixing two ends of a workpiece on the frame plate through the fixing mechanism to avoid the movement of the workpiece, and then tightly attaching the inner end polishing mechanism to the protruding part of the workpiece;
s3, grinding the outer end and clamping: when the step S2 is carried out, the fixing mechanism drives the outer end polishing mechanism to move downwards simultaneously when fixing the workpiece, and then the outer end polishing mechanism is clamped on the convex plate of the concave part of the workpiece;
s4, reciprocating and polishing: and S3, driving the inner end grinding mechanism and the outer end grinding mechanism to move and grind through the reciprocating mechanism.
The worktable is of a v-21274h-shaped structure with an upward opening, frame plates are symmetrically arranged at the left and right positions, close to the horizontal section, of the opposite surface of the worktable, inner end polishing mechanisms are arranged on the upper end surface of the horizontal section of the worktable and located between the two sets of frame plates, fixing mechanisms are arranged in the horizontal section of the worktable, outer end polishing mechanisms are arranged above the inner end polishing mechanisms, and reciprocating moving mechanisms are arranged on the rear side of the upper end surface of the worktable.
Fixing mechanism include mounting groove, pneumatic cylinder, movable plate and L shaped plate, the inside mounting groove of having seted up of horizontal segment front end of workstation, install the pneumatic cylinder in the mounting groove, install the movable plate on the carriage release lever of pneumatic cylinder, the L shaped plate is installed to the left and right sides symmetry of movable plate, the horizontal segment of L shaped plate is in the upper end, workstation and frame plate are worn to establish by the vertical section of L shaped plate, the horizontal segment of L shaped plate is located the frame plate top, the rubber layer is installed to the terminal surface under the horizontal segment of L shaped plate, after shaping work piece is put on the frame plate, the pneumatic cylinder drives L shaped plate downstream through the movable plate, make the L shaped plate fix the both ends of shaping work piece, avoid the work piece to carry out the in-process emergence motion of surperficial burring, the rubber layer can avoid the card to hinder the work piece.
The inner end polishing mechanism comprises a first moving groove, a polishing block, an electric cylinder, a first connecting plate, a first push rod, a first polishing plate, a clamping plate and a clamping groove, wherein the middle part of the upper end surface of the horizontal section of the workbench is provided with the first moving groove, the polishing block is arranged in the first moving groove, the upper end surface of the polishing block is provided with a polishing layer, the upper end surface of the polishing block is provided with a first rectangular groove, the first rectangular groove is equidistantly arranged from left to right, the inside of the polishing block is provided with a first placing groove, the first placing groove is communicated with the first rectangular groove, the electric cylinder is arranged in the first placing groove, the first connecting plate is arranged on a moving rod of the electric cylinder, the first push rod is hinged on the first connecting plate through a hinge shaft, the first push rods are symmetrically arranged from front to back, the front and back two groups of first push rods are equidistantly arranged from left to right through the hinge shaft, the first push rod penetrates through the first rectangular groove, pushing grooves are formed in the left side and the right side of the first rectangular groove, the first rectangular groove is communicated with the pushing grooves, a first polishing plate is arranged in each of the two groups of pushing grooves, a polishing layer is arranged on the outer side end face of the first polishing plate, opposite faces of the two groups of first polishing plates are hinged to the upper ends of a front push rod and a rear push rod through hinges respectively, clamping plates are mounted on the front end face and the rear end face of the lower end of the first polishing plate, clamping grooves are symmetrically formed in the front inner wall and the rear inner wall of each pushing groove, the clamping plates are located in the clamping grooves, after a formed workpiece is fixed through a fixing mechanism, a first connecting plate is pushed to move upwards through an electric cylinder, the lower ends of the front push rod and the rear push rod are pushed to move upwards through a first connecting plate, the upper ends of the front push rod and the rear push rod are moved towards two sides, the front push rod and rear push rod push the first polishing plate towards two sides simultaneously, so that the first polishing plate is tightly attached to the inner walls of the protruding parts of the formed workpiece, then drive the sanding block through reciprocating motion mechanism and carry out reciprocating motion to make the sanding block drive a board of polishing and carry out reciprocating motion, a board of polishing is polished the burr of the bulge inner wall of shaping work piece and is got rid of, and the layer of polishing on the sanding block when a board of polishing is polished is got rid of the burr of shaping work piece lower extreme face, makes the work piece not influence the result of use because of the burr when using.
The outer end polishing mechanism comprises a lower pressing plate, a connecting rod, a clamping groove, Contraband-shaped plates, a limiting plate, an electric push rod, a second connecting plate, a second push rod, a hanging plate and a second polishing plate, wherein the opposite surface of the workbench is symmetrically provided with a 21274and a shaped groove, the lower pressing plates are arranged in two groups of Contraband-shaped grooves, the connecting rod is symmetrically arranged on the left and right of the lower end surface of the lower pressing plate, penetrates through the frame plate and is connected with the workbench and the moving plate, the middle part of the lower end surface of the lower pressing plate is provided with a square groove, the opposite surface of the square groove is provided with the clamping groove close to the upper end, the square groove is internally provided with a Contraband-shaped plate, the lower end surface of the Contraband-shaped plate is provided with a frosting layer, the Contraband-shaped plate is of a 21274, the opening of the shaped structure, the limiting plate is arranged on the left end surface and the right end surface of the Contraband-shaped plate, the limiting plate is positioned in the clamping groove, the horizontal section of the Contraband-shaped plate is provided with a second placing groove, the electric push rod is arranged in the second placing groove, a second connecting plate is arranged on a moving rod of the electric push rod, a second rectangular groove is arranged on the lower end surface of the horizontal section of the Contraband-shaped plate, the second rectangular groove is arranged in bilateral symmetry, the second rectangular groove is communicated with a second placing groove, the lower end surface of the second connecting plate is hinged with a second push rod in front and back symmetry through a hinge shaft, a front group of second push rods and a back group of second push rods are hinged on the second connecting plate in bilateral symmetry through the hinge shaft, the left side and the right side of the second rectangular groove are provided with sliding grooves which are communicated with the second rectangular groove, the front side and the back side of each sliding groove are provided with hanging grooves, two groups of grinding plates are arranged in the two sliding grooves, the outer end surface of the upper end of each second grinding plate is provided with a hanging plate which is arranged in the hanging grooves, the opposite surfaces of the two groups of second grinding plates are connected with the lower ends of the front group of second push rods and the back group of second grinding plates through hinges, and the adjacent two groups of second grinding plates are arranged between the side wall of the concave part of the forming workpiece and the convex plate, the lower end face of the second polishing plate is tightly attached to the bottom of a concave part of a formed workpiece when the L-shaped plate clamps the formed workpiece, then the second connecting plate is pushed to move downwards by an electric push rod, the second connecting plate drives the upper end of the second push rod to move downwards, meanwhile, the lower ends of the front and rear two groups of second push rods move towards two sides, the front and rear two groups of second push rods push the second polishing plate to move towards two sides, so that the second polishing plate is tightly attached to the inner wall of the concave part of the formed workpiece, then the Contraband shaped plate is synchronously driven to move when the reciprocating mechanism drives the inner end polishing mechanism to move, and the second polishing plate drives the concave part of the formed workpiece to move, meanwhile, the frosting layer on the Contraband-shaped plate polishes the upper surface of the formed workpiece.
As a preferred technical scheme of the invention, the reciprocating mechanism comprises a supporting plate, an electric telescopic rod, a reciprocating rod, a fixed rod and a sliding rod, the supporting plate is arranged on the rear side of the upper end face of the horizontal section of the workbench, the electric telescopic rod is arranged on the front end face of the supporting plate, the reciprocating rod is arranged on the moving rod of the electric telescopic rod, the front end face of the lower end of the reciprocating rod is connected with one end of the fixed rod, the other end of the fixed rod is arranged on the rear end face of the polishing block, a sliding groove is arranged on the front end face of the upper end of the reciprocating rod, the sliding rod is internally provided with the sliding rod, the sliding rod penetrates through a lower pressure plate to be connected with the rear end face of the horizontal section of the Contraband-shaped plate, when the lower pressure plate moves downwards, the sliding rod moves on the reciprocating rod, then the electric telescopic rod drives the reciprocating rod to reciprocate back and forth, and back movement of the fixed rod and forth are driven by the reciprocating rod, the polishing block and the 21274are respectively driven by the fixing rod and the sliding rod, the shape plate reciprocates, the first polishing plate and the second polishing plate polish the convex inner wall and the concave inner wall of the formed workpiece, and the later-stage use of the formed workpiece is not affected by burrs.
According to a preferable technical scheme, a winding groove is formed in the upper end of each of the first polishing plates, an elastic rope is arranged between the front inner wall and the rear inner wall of the winding groove, polishing cloth is sleeved on the elastic rope, an inclined through hole is formed in the vertex angle of the opposite side of each two groups of the first polishing plates, the inclined through holes are inclined inwards, the inclined through holes are communicated with the winding groove, the polishing cloth in the two groups of the winding grooves is connected, the winding directions are opposite, when the two groups of the first polishing plates adjacent to each other move outwards, the two groups of the first polishing plates pull the polishing cloth, the polishing cloth is tightly attached to the inner convex wall of the formed workpiece, the formed workpiece is polished, and when the first polishing plate retracts inwards after being polished, the polishing cloth is wound under the action of the elastic rope.
As a preferred technical scheme of the invention, compression springs are respectively arranged on the back surfaces of the second polishing plates on the left outer side and the right outer side, the compression springs are equidistantly arranged from top to bottom, two groups of compression springs close to the lower end of the second polishing plate are provided with a first popping polishing plate which is longer than the second polishing plate, a second popping polishing plate is arranged above the first popping polishing plate, the second popping polishing plate is arranged on two groups of compression springs close to the upper end of the second polishing plate, the lower ends of the first popping polishing plate and the first popping polishing plate are respectively provided with an elastic polishing plate, the upper end surfaces of the elastic polishing plates are connected with the two adjacent second polishing plates, the middle parts of the right ends of the first popping polishing plate and the second popping polishing plate are respectively provided with an electromagnet, the second polishing plate is provided with an electromagnetic layer matched with the electromagnet, and the electromagnet is tightly attached to the electromagnetic layer on the second polishing plate by being electrified, after two sets of No. two polishing boards that are close to are pasted tightly with the sunken inner wall of shaping work piece, the electro-magnet loses the electricity and separates with the electromagnetism layer for pop out the polishing board No. one and pop out the polishing board No. two and pop out under compression spring's effect and pop out, thereby pop out the polishing board No. one and pop out the polishing board No. two and paste tightly with the sunken inner wall of shaping work piece that No. two polishing boards do not contact, pop out the polishing board No. one simultaneously and pop out polishing board No. two and take dynamic elasticity dull polish board and shaping work piece boss surface to paste tightly, make the surface of shaping work piece obtain polishing comprehensively.
According to the preferred technical scheme, the sponge plate is arranged between the first polishing plate and the inner wall of the pushing groove and is positioned at the upper end of the pushing groove, the sponge plate is extruded when the first polishing plate moves outwards, and when the first polishing plate polishes a formed workpiece, the sponge plate plays a role in protecting the clamping groove and prevents burrs which are polished from falling into the first rectangular groove and entering the clamping groove to influence the motion of the first polishing plate.
As a preferable technical scheme of the invention, the L-shaped plate is positioned between the two groups of connecting rods.
(II) advantageous effects
1. According to the polishing process for the plastic extrusion molding plastic product, the fixing mechanism can fix the molded workpiece, the workpiece clamping phenomenon is avoided, the inner end polishing mechanism and the outer end polishing mechanism are adopted to polish the surface of the molded workpiece simultaneously, so that burrs and uneven parts on the molded workpiece are removed and leveled, and the later use effect is ensured;
2. the rubber layer is arranged on the lower end face of the horizontal section of the L-shaped plate, so that the phenomenon of clamping damage to the surface of a workpiece when the L-shaped plate is pressed downwards to fix a formed workpiece is avoided;
3. the first ejection polishing plate and the second ejection polishing plate which are arranged on the second polishing plate are ejected out under the action of the compression spring when the electromagnet is powered off, so that the first ejection polishing plate and the second ejection polishing plate are in contact with the surface of a formed workpiece, and the formed workpiece is effectively polished.
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 schematic perspective view of a formed workpiece according to the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a front cross-sectional view of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of the invention taken from the B-direction of FIG. 4;
FIG. 7 is an enlarged view of the invention taken along line C of FIG. 4;
FIG. 8 is an enlarged view of the invention taken from line D of FIG. 5;
fig. 9 is an enlarged view of the invention from the E-direction of fig. 5.
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, which are defined and covered by the claims.
As shown in fig. 1 to 9, a polishing process for an extrusion molding plastic product uses an extrusion molding plastic product polishing device, which includes a workbench 1, a frame plate 2, a fixing mechanism 3, an inner end polishing mechanism 4, an outer end polishing mechanism 5 and a reciprocating mechanism 6, and the polishing process for the plastic product by using the extrusion molding plastic product polishing device is as follows:
s1, placing a formed workpiece: placing the extruded workpiece on a frame plate 2 of a workbench 1, and sleeving a convex part of the workpiece on an inner end polishing mechanism 4;
s2, fixing the workpiece: after the step of S1 is finished, fixing two ends of a workpiece on the frame plate 2 through the fixing mechanism 3 to avoid the movement of the workpiece, and then tightly attaching the inner end grinding mechanism 4 to the protruding part of the workpiece;
s3, grinding the outer end and clamping: when the step S2 is carried out, the fixing mechanism 3 drives the outer end polishing mechanism 5 to move downwards when fixing the workpiece, and then the outer end polishing mechanism 5 is clamped on the convex plate of the concave part of the workpiece;
s4, reciprocating and polishing: and after the step of S3 is finished, the reciprocating mechanism 6 drives the inner end grinding mechanism 4 and the outer end grinding mechanism 5 to carry out moving grinding.
The worktable 1 is of a v-21274h-shaped structure with an upward opening, frame plates 2 are symmetrically arranged at the left and right positions, close to the horizontal section, of the opposite surface of the worktable 1, inner end polishing mechanisms 4 are arranged on the upper end surface of the horizontal section of the worktable 1, the inner end polishing mechanisms 4 are located between the two sets of frame plates 2, fixing mechanisms 3 are arranged in the horizontal section of the worktable 1, outer end polishing mechanisms 5 are arranged above the inner end polishing mechanisms 4, and reciprocating moving mechanisms 6 are arranged on the rear side of the upper end surface of the worktable 1.
The inner end polishing mechanism 4 comprises a first moving groove 40, a polishing block 41, an electric cylinder 42, a first connecting plate 43, a first push rod 44, a first polishing plate 45, a clamping plate 46 and a clamping groove 47, the middle part of the upper end face of the horizontal section of the workbench 1 is provided with the first moving groove 40, the polishing block 41 is arranged in the first moving groove 40, the upper end face of the polishing block 41 is provided with a polishing layer, the upper end face of the polishing block 41 is provided with a first rectangular groove, the first rectangular groove is equidistantly formed from left to right, a first placing groove is arranged in the polishing block 41 and communicated with the first rectangular groove, the electric cylinder 42 is arranged in the first placing groove, the moving rod of the electric cylinder 42 is provided with the first connecting plate 43, the first connecting plate 43 is hinged with the first push rod 44 through a hinge shaft, the first push rods 44 are symmetrically arranged from front to back, the front and back groups of the first push rods 44 are equidistantly arranged from left to right through the hinge shaft, the first push rod 44 penetrates through the first rectangular groove, push grooves are formed in the left side and the right side of the first rectangular groove, the first rectangular groove is communicated with the push grooves, first polishing plates 45 are arranged in the two groups of push grooves, a polishing layer is arranged on the outer side end faces of the first polishing plates 45, opposite faces of the two groups of first polishing plates 45 are hinged to the upper ends of the front and rear first push rods 44 through hinges respectively, clamping plates 46 are arranged on the front and rear end faces of the lower end of the first polishing plate 45, clamping grooves 47 are symmetrically formed in the front and rear inner walls of the push grooves, the clamping plates 46 are located in the clamping grooves 47, after a formed workpiece is fixed by the fixing mechanism 3, the first connecting plate 43 is pushed to move upwards through the electric cylinder 42, the front and rear connecting plates 43 push the lower ends of the front and rear groups of first push rods 44 to move upwards, the upper ends of the front and rear groups of first push rods 44 move towards two sides, make a polishing plate 45 paste tightly with the bellying inside wall of shaping work piece, then drive polishing block 41 through reciprocating motion mechanism 6 and carry out reciprocating motion, thereby make polishing block 41 drive a polishing plate 45 and carry out reciprocating motion, a polishing plate 45 polishes the burr of the bellying inner wall of shaping work piece and gets rid of, the burr of terminal surface under the shaping work piece is got rid of to the layer of polishing on polishing block 41 when polishing plate 45 polishes, make the work piece not influence the result of use because of the burr when using.
Multiunit the upper end of a polishing plate 45 inside all seted up coiling groove 450, install elasticity rope 451 between the front and back inner wall of coiling groove 450, the cover is equipped with dull polish cloth 452 on elasticity rope 451, every neighbouring two sets of polishing plate 45's the opposite side apex angle of back has seted up oblique through-hole, oblique through-hole is to the inboard slope, oblique through-hole and coiling groove 450 intercommunication, dull polish cloth 452 in two sets of coiling grooves 450 is connected, and the rolling opposite direction, when neighbouring two sets of polishing plate 45 outside removal, two sets of polishing plate 45 pulling dull polish cloth 452, make dull polish cloth 452 paste tightly with the protruding inner wall of shaping work piece, thereby polish it, when polishing plate 45 inwards withdraws after the shaping work piece is polished, dull polish 452 cloth carries out the rolling under the effect of elasticity rope 451.
A polishing plate 45 and the inner wall that promotes the groove between install sponge 454, sponge 454 is located and promotes the groove upper end, extrudees sponge 454 when a polishing plate 45 moves to the outside, when a polishing plate 45 polishes the shaping work piece, sponge 454 plays the guard action to draw-in groove 47, the burr of avoiding polishing down falls into a rectangle recess and enters into draw-in groove 47 in, influences a polishing plate 45 motion.
The outer end polishing mechanism 5 comprises a lower pressing plate 50, a connecting rod 51, clamping grooves 52, a shape plate 53, a limit plate 54, an electric push rod 55, a second connecting plate 56, a second push rod 57, a hanging plate 58 and a second polishing plate 59, opposite surfaces of the workbench 1 are symmetrically provided with shape grooves, the lower pressing plates 50 are arranged in two groups of Contraband-shaped grooves, the lower end surfaces of the lower pressing plates 50 are bilaterally symmetrically provided with the connecting rods 51, the connecting rods 51 penetrate through the frame plate 2 to be connected with the workbench 1 and the moving plate 32, the middle part of the lower end surface of the lower pressing plate 50 is provided with a square groove, the opposite surfaces of the square groove are provided with the clamping grooves 52 near the upper end, the square groove is internally provided with Contraband-shaped plates 53 and 21274, the lower end surface of the shape plate 53 is provided with a frosted layer and 21274, the shape plate 53 is of a shape structure with a downward opening, the limit plate 54 is arranged on the left end surface and the right end surface of the shape plate 53, the limit plate 54 is positioned in the clamping grooves 52, contraband a second placing groove is arranged in the horizontal section of the shaped plate 53, an electric push rod 55 is arranged in the second placing groove, a second connecting plate 56 is arranged on the moving rod of the electric push rod 55, 21274is arranged, a second rectangular groove is arranged on the lower end face of the horizontal section of the shaped plate 53 and is symmetrically arranged left and right, the second rectangular groove is communicated with the second placing groove, a second push rod 57 is symmetrically hinged front and back on the lower end face of the second connecting plate 56 through a hinge shaft, the front and back two sets of second push rods 57 are symmetrically hinged left and right on the second connecting plate 56 through a hinge shaft, sliding grooves are arranged on the left and right sides of the second rectangular groove and are communicated with the second rectangular groove, hanging grooves are arranged on the front and back sides of the sliding grooves, a second polishing plate 59 is arranged in the two sets of sliding grooves, a hanging plate 58 is arranged on the outer side end face of the upper end of the second polishing plate 59, the hanging plate 58 is arranged in the hanging grooves, the opposite faces of the two sets of the second polishing plates 59 are connected with the lower ends of the front and back two sets of the pushing rods 57 through hinges, two adjacent second polishing plates 59 are positioned between the side wall of the concave part of the forming workpiece and the convex plate, when the moving plate 32 drives the L-shaped plate 33 to move downwards, the moving plate 32 synchronously drives the lower pressing plate 50 to move downwards through the connecting rod 51, the lower pressing plate 50 synchronously drives the Contraband-shaped plate 53 to move downwards, 21274, the shaped plate 53 synchronously drives the second polishing plate 59 to move downwards, when the L-shaped plate 33 clamps the forming workpiece, the lower end surface of the second polishing plate 59 is tightly attached to the bottom of the concave part of the forming workpiece, then the second connecting plate 56 is pushed by the electric push rod 55 to move downwards, the second connecting plate 56 drives the upper end of the second push rod 57 to move downwards, simultaneously the lower ends of the front and rear two sets of second push rods 57 move towards two sides, the front and rear two sets of second push rods 57 push the second polishing plate 59 towards two sides, so that the second polishing plate 59 is tightly attached to the inner wall of the concave part of the forming workpiece, then the Contraband-shaped plate 53 is synchronously driven to move by the reciprocating mechanism 6 to drive the inner end polishing mechanism 4 to move so as to carry out motion The second sanding plate 59 is caused to sand the concave portion of the formed workpiece, and the frosted layer on the Contraband-shaped plate 53 simultaneously sands the upper surface of the formed workpiece.
The opposite back surfaces of the second polishing plate 59 on the left outer side and the right outer side are both provided with a compression spring 590, the compression springs 590 are arranged from top to bottom at equal intervals, two groups of compression springs 590 close to the lower end of the second polishing plate 59 are provided with a first popping polishing plate 591, the first popping polishing plate 591 is longer than the second polishing plate 59, a second popping polishing plate 592 is arranged above the first popping polishing plate 591, the second popping polishing plate 592 is arranged on two groups of compression springs 590 close to the upper end of the second polishing plate 59, the lower ends of the first popping polishing plate 591 and the first popping polishing plate 591 are both provided with an elastic polishing plate 593, the upper end surface of the elastic polishing plate 593 is connected with the two groups of adjacent second polishing plates 59, the middle parts of the right ends of the first popping polishing plate 591 and the second popping polishing plate 592 are both provided with an electromagnet, the second polishing plate 59 is provided with an electromagnetic layer 595 matched with the electromagnet, the electromagnet 594 is electrified to be closely attached to the electromagnetic layer 595 on the second polishing plate 59 in an adsorption mode, after the two groups of second polishing plates 59 are adjacent to the inner wall of the recess of the formed workpiece, the electromagnet 594 loses power and is separated from the electromagnetic layer 595, the first ejection polishing plate 591 and the second ejection polishing plate 592 are ejected under the action of the compression spring 590, the first ejection polishing plate 591 and the second ejection polishing plate 592 are closely attached to the inner wall of the recess of the formed workpiece, which is not in contact with the second polishing plate 59, and meanwhile the first ejection polishing plate 591 and the second ejection polishing plate 592 drive the elastic polishing plate 593 to be closely attached to the surface of the convex plate of the formed workpiece, and the surface of the formed workpiece is comprehensively polished.
The L-shaped plate 33 is located between the two sets of connecting rods 51.
The reciprocating mechanism 6 comprises a supporting plate 60, an electric telescopic rod 61, a reciprocating rod 62, a fixed rod 63 and a sliding rod 64, the supporting plate 60 is arranged on the rear side of the upper end face of the horizontal section of the workbench 1, the electric telescopic rod 61 is arranged on the front end face of the supporting plate 60, the reciprocating rod 62 is arranged on the movable rod of the electric telescopic rod 61, the front end face of the lower end of the reciprocating rod 62 is connected with one end of the fixed rod 63, the other end of the fixed rod 63 is arranged on the rear end face of the sanding block 41, the front end face of the upper end of the reciprocating rod 62 is provided with a sliding groove, a sliding rod 64 is arranged in the sliding groove, the sliding rod 64 penetrates through the lower pressure plate 50 and the Y-21274, the rear end face of the horizontal section of the shape plate 53 is connected, when the lower pressure plate 50 moves downwards, the sliding rod 64 moves on the reciprocating rod 62, then the electric telescopic rod 61 drives the reciprocating rod 62 to reciprocate forwards and backwards, the reciprocating rod 62 drives the fixed rod 63 and the sliding rod 64 to reciprocate, the fixing rod 63 and the sliding rod 64 respectively drive the polishing block 41 and the Contraband-shaped plate 53 to reciprocate, so that the first polishing plate 45 and the second polishing plate 59 polish the inner convex wall and the inner concave wall of the formed workpiece, and the formed workpiece is not affected by burrs in later use.
When the special-purpose grinding machine works, after a forming workpiece is placed on the frame plate 2, the hydraulic cylinder 31 drives the L-shaped plate 33 to move downwards through the moving plate 32, so that the two ends of the forming workpiece are fixed by the L-shaped plate 33, the workpiece is prevented from moving in the process of surface deburring, the moving plate 32 drives the L-shaped plate 33 to move downwards, the moving plate 32 synchronously drives the lower pressing plate 50 to move downwards through the connecting rod 51, the lower pressing plate 50 synchronously drives the Contraband-shaped plate 53 to move downwards, the 21274, the shaped plate 53 synchronously drives the second grinding plate 59 to move downwards, when the forming workpiece is clamped by the L-shaped plate 33, the lower end face of the second grinding plate 59 is tightly attached to the bottom of the concave part of the forming workpiece, after the forming workpiece is fixed by the L-shaped plate 33, the first connecting plate 43 is pushed upwards through the electric cylinder 42, and the first connecting plate 43 pushes the lower ends of the front and rear groups of first push rods 44 to move upwards, simultaneously, the upper ends of the front and rear groups of first push rods 44 move towards two sides, the front and rear groups of first push rods 44 simultaneously push the first polishing plate 45 to move towards two sides, so that the first polishing plate 45 is tightly attached to the inner wall of the convex part of the formed workpiece, the second connecting plate 56 is pushed to move downwards by the electric push rod 55, the second connecting plate 56 drives the upper end of the second push rod 57 to move downwards, the lower ends of the front and rear groups of second push rods 57 move towards two sides, the front and rear groups of second push rods 57 push the second polishing plate 59 to move towards two sides, so that the second polishing plate 59 is tightly attached to the inner wall of the concave part of the formed workpiece, the electromagnet 594 is electrified to be tightly attached to the electromagnetic layer 595 on the second polishing plate 59, after the two groups of second polishing plates 59 are tightly attached to the inner wall of the concave part of the formed workpiece, the electromagnet 594 is electrified to be separated from the electromagnetic layer 595, so that the first ejecting polishing plate 591 and the second ejecting polishing plate 592 are ejected under the action of the compression spring 590, therefore, the concave inner wall of the formed workpiece, which is not contacted with the first ejection polishing plate 591, the second ejection polishing plate 592 and the second polishing plate 59, is tightly attached, meanwhile, the first ejection polishing plate 591 and the second ejection polishing plate 592 drive the elastic polishing plate 593 to be tightly attached to the surface of the convex plate of the formed workpiece, so that the surface of the formed workpiece is comprehensively polished, when the lower pressure plate 50 moves downwards, the sliding rod 64 moves on the reciprocating rod 62, then the reciprocating rod 62 is driven by the electric telescopic rod 61 to reciprocate back and forth, the reciprocating rod 62 drives the fixed rod 63 and the sliding rod 64 to reciprocate, so that the polishing block 41 and the Contraband shaped plate 53 are respectively driven by the fixed rod 63 and the sliding rod 64 to reciprocate, so that the first polishing plate 45 and the second polishing plate 59 polish the convex inner wall and the concave inner wall of the formed workpiece, the later-stage use of the formed workpiece is not affected by burrs, when the first polishing plate 45 polishes the formed workpiece, the sponge board 454 plays a role in protecting the clamping groove 47, and burrs which are prevented from being polished fall into the first rectangular groove and enter the clamping groove 47, so that the motion of the first polishing board 45 is influenced.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a plastic extrusion molding plastic products's process of polishing, its used an extrusion molding plastic products grinding device, this extrusion molding plastic products grinding device includes workstation (1), frame plate (2), fixed establishment (3), inner grinding machanism (4), outer end grinding machanism (5) and reciprocating motion mechanism (6), its characterized in that: the process for polishing the plastic product by adopting the polishing device for the extrusion molding plastic product comprises the following steps:
s1, placing a formed workpiece: placing the extruded workpiece on a frame plate (2) of a workbench (1), and sleeving a convex part of the workpiece on an inner end grinding mechanism (4);
s2, fixing the workpiece: after the step S1 is finished, fixing two ends of a workpiece on the frame plate (2) through the fixing mechanism (3) to avoid the movement of the workpiece, and then tightly attaching the inner end polishing mechanism (4) to the protruding part of the workpiece;
s3, grinding the outer end and clamping: when the step S2 is carried out, the fixing mechanism (3) fixes the workpiece, drives the outer end polishing mechanism (5) to move downwards at the same time, and then the outer end polishing mechanism (5) is clamped on the convex plate of the concave part of the workpiece;
s4, reciprocating and polishing: after the step S3 is finished, the reciprocating mechanism (6) drives the inner end polishing mechanism (4) and the outer end polishing mechanism (5) to move and polish;
the worktable (1) is of a v-21274structure with an upward opening, frame plates (2) are symmetrically arranged at the positions, close to the horizontal section, of opposite surfaces of the worktable (1) in a left-right mode, inner end polishing mechanisms (4) are arranged on the upper end face of the horizontal section of the worktable (1), the inner end polishing mechanisms (4) are located between the two groups of frame plates (2), fixing mechanisms (3) are arranged in the horizontal section of the worktable (1), outer end polishing mechanisms (5) are arranged above the inner end polishing mechanisms (4), and reciprocating moving mechanisms (6) are arranged on the rear side of the upper end face of the worktable (1);
the fixing mechanism (3) comprises a mounting groove (30), a hydraulic cylinder (31), a movable plate (32) and an L-shaped plate (33), the mounting groove (30) is formed in the front end of the horizontal section of the workbench (1), the hydraulic cylinder (31) is installed in the mounting groove (30), the movable plate (32) is installed on a moving rod of the hydraulic cylinder (31), the L-shaped plate (33) is symmetrically installed on the left side and the right side of the movable plate (32), the horizontal section of the L-shaped plate (33) is arranged at the upper end, the vertical section of the L-shaped plate (33) penetrates through the workbench (1) and the frame plate (2), the horizontal section of the L-shaped plate (33) is located above the frame plate (2), and a rubber layer is installed on the lower end face of the horizontal section of the L-shaped plate (33);
the inner end polishing mechanism (4) comprises a first moving groove (40), a polishing block (41), an electric cylinder (42), a first connecting plate (43), a first push rod (44), a first polishing plate (45), a clamping plate (46) and a clamping groove (47), the middle part of the upper end surface of the horizontal section of the workbench (1) is provided with the first moving groove (40), the polishing block (41) is arranged in the first moving groove (40), the upper end surface of the polishing block (41) is provided with a polishing layer, the upper end surface of the polishing block (41) is provided with a rectangular groove, the rectangular groove is equidistantly formed from left to right, the polishing block (41) is internally provided with a first placing groove, the first placing groove is communicated with the rectangular groove, the electric cylinder (42) is arranged in the first placing groove, the moving rod of the electric cylinder (42) is provided with the first connecting plate (43), the first push rod (44) is hinged on the first connecting plate (43), the first push rods (44) are symmetrically arranged front and back, a front group of first push rods (44) and a back group of first push rods (44) are arranged in a left-to-right equidistant mode through hinge shafts, the first push rods (44) penetrate through a first rectangular groove, pushing grooves are formed in the left side and the right side of the first rectangular groove, the first rectangular groove is communicated with the pushing grooves, first polishing plates (45) are arranged in the two groups of pushing grooves, a frosted layer is arranged on the end face of the outer side of each first polishing plate (45), opposite faces of the two groups of first polishing plates (45) are hinged to the upper ends of the front push rod (44) and the back push rod (44) through hinges respectively, clamping plates (46) are arranged on the front end face and the back end face of the lower end of each first polishing plate (45), clamping grooves (47) are symmetrically formed in the front inner wall and the back inner wall of each pushing groove, and the clamping plates (46) are located in the clamping grooves (47);
the upper ends of the first polishing plates (45) are internally provided with a rolling groove (450), an elastic rope (451) is arranged between the front inner wall and the rear inner wall of the rolling groove (450), the elastic rope (451) is sleeved with abrasive cloth (452), an inclined through hole is formed at the vertex angle of the opposite side of each two groups of adjacent first polishing plates (45), the inclined through holes are inclined towards the inner side, the inclined through holes are communicated with the rolling groove (450), the abrasive cloth (452) in the two groups of rolling grooves (450) are connected, and the rolling directions are opposite;
the outer end polishing mechanism (5) comprises a lower pressing plate (50), a connecting rod (51), clamping grooves (52), Contraband-shaped plates (53), a limiting plate (54), an electric push rod (55), a second connecting plate (56), a second push rod (57), a hanging plate (58) and a second polishing plate (59), opposite surfaces of the workbench (1) are symmetrically provided with 21274, two groups of Contraband-shaped grooves are internally provided with the lower pressing plate (50), the lower end surfaces of the lower pressing plate (50) are bilaterally symmetrically provided with the connecting rod (51), the connecting rod (51) penetrates through the frame plate (2) to be connected with the workbench (1) and the moving plate (32), the middle part of the lower end surface of the lower pressing plate (50) is provided with a square groove, the opposite surface of the square groove is close to the upper end and is provided with the clamping grooves (52), the square groove is internally provided with a Contraband-shaped plate (53), and the lower end surface of the Contraband-shaped plate (53) is provided with a polishing layer, contraband-shaped plate (53) is of a ' 21274 ', a ' shaped structure, limiting plates (54) are respectively arranged on the left end surface and the right end surface of a Contraband-shaped plate (53), the limiting plates (54) are positioned in a clamping groove (52), a second placing groove is arranged in the horizontal section of the Contraband-shaped plate (53), an electric push rod (55) is arranged in the second placing groove, a second connecting plate (56) is arranged on a moving rod of the electric push rod (55), a second rectangular groove is arranged on the lower end surface of the horizontal section of the Contraband-shaped plate (53), the second rectangular groove is arranged in bilateral symmetry, the second rectangular groove is communicated with the second placing groove, a second push rod (57) is hinged on the lower end surface of the second connecting plate (56) in front-back symmetry through a hinge shaft, a front group of second push rods (57) and a rear group of second push rods (57) are hinged on the second connecting plate (56) in left-right symmetry through a hinge shaft, sliding grooves are arranged on the left side and right side of the second rectangular groove, and are communicated with the second rectangular groove, hanging grooves are formed in the front side and the rear side of each sliding groove, a second polishing plate (59) is arranged in each sliding groove, a hanging plate (58) is arranged on the end face of the outer side of the upper end of each second polishing plate (59), the hanging plates (58) are located in the hanging grooves, and the opposite faces of the two second polishing plates (59) are connected with the lower ends of the front and rear second push rods (57) through hinges;
the opposite back surfaces of the second polishing plate (59) on the left outer side and the right outer side are respectively provided with a compression spring (590), the compression springs (590) are arranged from top to bottom at equal intervals, two groups of compression springs (590) close to the lower end of the second polishing plate (59) are provided with a first popping polishing plate (591), the first popping polishing plate (591) is longer than the second polishing plate (59), a second popping polishing plate (592) is arranged above the first popping polishing plate (591), the second popping polishing plate (592) is arranged on two groups of compression springs (590) close to the upper end of the second polishing plate (59), the lower ends of the first popping polishing plate (591) and the first popping polishing plate (591) are respectively provided with an elastic polishing plate (593), the upper end surface of the elastic polishing plate (593) is connected with the two adjacent groups of second polishing plates (59), and electromagnets (594) are respectively arranged in the middle parts of the right ends of the first popping polishing plate (591) and the second polishing plate (592), and an electromagnetic layer (595) matched with the electromagnet (594) is arranged on the second polishing plate (59).
2. A process for polishing an extrusion molded plastic article as claimed in claim 1, wherein: reciprocating motion mechanism (6) including backup pad (60), electric telescopic handle (61), reciprocating rod (62), dead lever (63) and slide bar (64), the horizontal segment up end rear side of workstation (1) install backup pad (60), electric telescopic handle (61) are installed to the preceding terminal surface of backup pad (60), reciprocating rod (62) are installed to the carriage release lever of electric telescopic handle (61), the preceding terminal surface of the lower extreme of reciprocating rod (62) is connected with the one end of dead lever (63), the other end of dead lever (63) is installed on the rear end face of sanding block (41), the sliding tray has been seted up to the preceding terminal surface of upper end of reciprocating rod (62), be provided with slide bar (64) in the sliding tray, slide bar (64) are worn and are established holding down plate (50) and 21274, the horizontal segment rear end face of shape board (53) is connected.
3. A process for polishing an extrusion molded plastic article as claimed in claim 1, wherein: a sponge plate (454) is arranged between the first polishing plate (45) and the inner wall of the pushing groove, and the sponge plate (454) is positioned at the upper end of the pushing groove.
4. A process for polishing an extrusion molded plastic article as claimed in claim 1, wherein: the L-shaped plate (33) is positioned between the two groups of connecting rods (51).
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| CN202011110345.4A CN112296818B (en) | 2020-10-16 | 2020-10-16 | Polishing process of plastic extrusion molding plastic product |
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| CN113352169B (en) * | 2021-08-11 | 2022-06-24 | 徐州市瑞泰钢管有限公司 | Automatic integrated device that polishes that cuts of galvanized pipe fitting |
| CN114851021B (en) * | 2022-04-14 | 2024-01-12 | 宝应县嘉永电器有限公司 | Plastic junction box surface finish machining equipment |
| CN116141789B (en) * | 2023-03-03 | 2024-01-09 | 上海博悠实业股份有限公司 | PVC composite board and processing technology thereof |
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