CN113370027A

CN113370027A - Mouth of a river grinding device of engineering working of plastics

Info

Publication number: CN113370027A
Application number: CN202110916892.XA
Authority: CN
Inventors: 王忠宇
Original assignee: Jiangsu Xuci Precision Technology Co ltd
Current assignee: Jiangsu Xuci Precision Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2021-09-10

Abstract

The invention relates to the technical field of grinding, in particular to a water gap grinding device for engineering plastic parts, which comprises a main body mechanism, wherein a clamping mechanism for clamping a plastic gear to be ground is installed on the main body mechanism, a positioning mechanism for limiting the clamping mechanism is arranged on the main body mechanism, an adjusting mechanism is installed on the main body mechanism, a grinding mechanism for grinding a water gap of the plastic gear is arranged on the adjusting mechanism, and a fixing mechanism for fixing the grinding mechanism is arranged on the adjusting mechanism; the main body mechanism is provided with the clamping mechanism, so that the clamping of the gear in the circumferential direction is realized, the positioning mechanism on the main body mechanism realizes the fixation of the clamping mechanism, the clamping mechanism does not need to be pressed by hands continuously, and the polishing of water gaps on two side surfaces of the plastic gear is facilitated; when the abrasive paper with different meshes is replaced, the grinding mechanism can be quickly positioned through the fixing mechanism, and the gear nozzle on the clamping mechanism is favorably ground.

Description

Mouth of a river grinding device of engineering working of plastics

Technical Field

The invention relates to the technical field of grinding, in particular to a water gap grinding device for engineering plastic parts.

Background

The water gap refers to a combination part of a frame and parts formed when a model is poured in a factory, and is also called as a 'soup gap' (pouring gate), which means an inlet and an outlet for the flow of a thermalized liquid material, and after a gear made of engineering plastics is disassembled from the frame, the water gap needs to be polished, so that the toy is convenient to assemble and attractive, and the water gap polishing device for the engineering plastic parts can be used when the water gap is polished.

However, at present, when dismantling some model toys that have plastic gear from the frame and polish to mouth of a river department, the user usually holds plastic gear with one hand, another hand is polished with grinding tool, when polishing the surface of gear, if the circumference department of holding plastic gear through the hand, because the thickness of gear is little, poor stability during the fixed time, inconvenient taking, and easy fish tail finger when polishing with grinding tool, need look for different abrasive paper when polishing to plastic gear in different degrees and polish, be difficult to quick replacement abrasive paper, be unfavorable for polishing to the gear mouth of a river.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a water gap polishing device for engineering plastic parts.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a mouth of a river grinding device of engineering working of plastics, includes main part mechanism, install the fixture that carries out the centre gripping to the plastic gear that needs polish in the main part mechanism, be equipped with in the main part mechanism and carry out spacing positioning mechanism to fixture, install adjustment mechanism in the main part mechanism, be equipped with on the adjustment mechanism and be used for carrying out the grinding machanism that polishes to the plastic gear mouth of a river, be equipped with on the adjustment mechanism and be used for the fixed establishment to grinding machanism.

Specifically, the main body mechanism includes the box, be equipped with two sets of sucking discs on the box relatively, be equipped with the hourglass material mouth that is used for polishing the piece and drops on the box, sliding connection has the collection fill of collecting to the piece of polishing on the box.

Specifically, fixture includes the slide, relative sliding connection has two slides that the cross-section is "L" shape structure on the box, two the centre gripping has the second spring, and two between slide and the box be fixed with the rack on the slide, two fixedly connected with roof on the slide, fixedly connected with splint on the roof.

The clamping mechanism comprises a clamping groove, a plurality of clamping grooves used for clamping gears to be polished are distributed on the clamping plate and the box body in an arc shape relatively, and a handle is fixedly connected to the top plate.

Specifically, positioning mechanism includes the push rod, relative sliding connection has two push rods, two on the box fixedly connected with connecting plate between the push rod, it is connected with the lead screw to rotate on the connecting plate, threaded connection between lead screw and the box, relative sliding connection has two slide bars, two on the box be fixed with the clamp plate between the slide bar, the fixed tooth of meshing between equidistance fixedly connected with and the rack on the clamp plate, two the centre gripping has first spring between slide bar and the box, the push rod is contradicted with the clamp plate.

Specifically, the positioning mechanism further comprises a handle, and the end part of the screw rod is fixedly connected with the handle.

Specifically, adjustment mechanism includes the fixed plate, through screw fixedly connected with fixed plate on the box, relative two sliding shafts of fixedly connected with on the fixed plate, two equal sliding connection has the mounting panel, two on the sliding shaft equal sliding connection has the inner panel, two on the mounting panel the centre gripping has the extension spring between inner panel and the mounting panel, two equal fixedly connected with gusset plate, one of them on the inner panel fixedly connected with transversal mounting bracket of personally submitting "U" font structure.

Specifically, grinding machanism includes the side shaft, relative swivelling joint has two side shafts, two on the mounting bracket the side shaft is fixed in on the fixing base, rectangular array sliding connection has four backup plates on the fixing base, the transversal "T" shape structure of personally submitting of backup plate, four all bond abrasive paper on the backup plate.

Specifically, grinding machanism still includes the third spring, be the rectangle array on the fixing base and install four groups of third springs, it is a plurality of equal fixedly connected with and the fixing base between sliding connection's the projection on the third spring, it is a plurality of all set up flutedly on the backup plate, the projection lock is inside the recess.

Concretely, fixed establishment includes the shell, fixedly connected with shell on the mounting bracket, sliding connection has the pull rod on the shell, sliding connection's inner prop between fixedly connected with and the mounting bracket on the pull rod, the centre gripping has the fourth spring between inner prop and the shell, the one end fixedly connected with side that the inner prop deviates from the pull rod is the cardboard of "ten" font structure, one of them set up the draw-in groove that is "ten" font structure on the side shaft, the cardboard block is in the draw-in groove, the draw-in groove corresponds the setting with the length of fixing base, wide half department.

The invention has the beneficial effects that:

(1) according to the water gap polishing device for the engineering plastic part, the clamping mechanism is arranged on the main body mechanism, the gear is clamped in the circumferential direction, the clamping mechanism is fixed by the positioning mechanism on the main body mechanism, the clamping mechanism does not need to be pressed by hands continuously, and polishing of the water gaps on two side surfaces of the plastic gear is facilitated.

(2) According to the water gap polishing device for the engineering plastic part, the adjusting mechanism is arranged on the main body mechanism, so that the side water gaps of the plastic gear clamped on the clamping mechanism can be conveniently polished by matching with the polishing mechanism, the plastic gear can be conveniently placed when the side water gaps are not polished, and the side water gaps of the plastic gear with different thicknesses can be polished.

(3) According to the water gap polishing device for the engineering plastic part, the fixing mechanism is arranged on the adjusting mechanism, so that when sand paper with different meshes is replaced, the polishing mechanism can be quickly positioned through the fixing mechanism, and the water gap of the gear on the clamping mechanism is polished.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a nozzle grinding device for engineering plastic parts according to the present invention;

FIG. 2 is a schematic view of a connection structure of the case, the positioning mechanism and the clamping mechanism shown in FIG. 1;

FIG. 3 is an enlarged view of the part A shown in FIG. 2;

FIG. 4 is a schematic view of a connection structure of the case and the adjusting mechanism shown in FIG. 1;

FIG. 5 is a schematic view of the connection structure of the adjustment mechanism and the grinding mechanism shown in FIG. 1;

FIG. 6 is an enlarged view of the structure of the portion B shown in FIG. 5;

FIG. 7 is a schematic view of a connection structure of the mounting frame, the polishing mechanism and the fixing mechanism shown in FIG. 6;

FIG. 8 is a schematic view of the grinding mechanism shown in FIG. 5;

fig. 9 is an enlarged view of the structure of the portion C shown in fig. 8.

In the figure: 1. the device comprises a main body mechanism, 11, a box body, 12, a suction cup, 13, a collecting bucket, 14, a material leakage opening, 2, a positioning mechanism, 21, a connecting plate, 22, a push rod, 23, a screw rod, 24, a handle, 25, a sliding rod, 26, a first spring, 27, a pressing plate, 28, fixed teeth, 3, a clamping mechanism, 31, a top plate, 32, a handle, 33, a clamping plate, 34, a clamping groove, 35, a sliding plate, 36, a rack, 37, a second spring, 4, an adjusting mechanism, 41, a fixed plate, 42, a mounting plate, 43, a reinforcing plate, 44, an inner plate, 45, a mounting frame, 46, a sliding shaft, 47, a tension spring, 5, a polishing mechanism, 51, a fixed seat, 52, sand paper, 53, a side shaft, 54, a backup plate, 55, a convex column, 56, a third spring, 57, a groove, 6, a fixing mechanism, 61, a shell, 62, an inner column, 63, a pull rod, 64, a fourth spring, a.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 9, the device for polishing a water gap of an engineering plastic part comprises a main body mechanism 1, wherein a clamping mechanism 3 for clamping a plastic gear to be polished is installed on the main body mechanism 1, a positioning mechanism 2 for limiting the clamping mechanism 3 is arranged on the main body mechanism 1, an adjusting mechanism 4 is installed on the main body mechanism 1, a polishing mechanism 5 for polishing the water gap of the plastic gear is arranged on the adjusting mechanism 4, and a fixing mechanism 6 for fixing the polishing mechanism 5 is arranged on the adjusting mechanism 4.

Specifically, main body mechanism 1 includes box 11, be equipped with two sets of sucking discs 12 on the box 11 relatively, be equipped with the small opening 14 that is used for polishing the piece and drops on the box 11, sliding connection has the collection fill 13 of collecting the piece of polishing on the box 11.

Specifically, fixture 3 includes slide 35, there are two slides 35 that the cross-section is "L" shape structure on the box 11 relatively sliding connection, two slide 35 and box 11 between centre gripping have a second spring 37, and two be fixed with rack 36 on the slide 35, two fixedly connected with roof 31 on the slide 35, fixedly connected with splint 33 on the roof 31, fixture 3 still includes clamping groove 34, it has a plurality of clamping grooves 34 that are used for the centre gripping gear that needs to polish to be distributed to be the arc relatively on splint 33, the box 11, fixedly connected with handle 32 on the roof 31.

Specifically, positioning mechanism 2 includes push rod 22, relative sliding connection has two push rods 22 on the box 11, two fixedly connected with connecting plate 21 between the push rod 22, it is connected with lead screw 23 to rotate on the connecting plate 21, threaded connection between lead screw 23 and the box 11, relative sliding connection has two slide bars 25 on the box 11, two be fixed with clamp plate 27 between the slide bar 25, equidistant fixedly connected with and rack 36 on the clamp plate 27 fixed tooth 28 of meshing between two slide bar 25 and the box 11 presss from both sides and has first spring 26, push rod 22 contradicts with clamp plate 27, positioning mechanism 2 still includes handle 24, the tip fixedly connected with handle 24 of lead screw 23.

Specifically, the adjusting mechanism 4 includes a fixing plate 41, the fixing plate 41 is fixedly connected to the box 11 through a screw, two sliding shafts 46 are relatively and fixedly connected to the fixing plate 41, mounting plates 42 are respectively and slidably connected to the two sliding shafts 46, inner plates 44 are respectively and slidably connected to the two mounting plates 42, a tension spring 47 is clamped between the two inner plates 44 and the mounting plates 42, a reinforcing plate 43 is fixedly connected between the two mounting plates 42 and the two inner plates 44, one of the inner plates 44 is fixedly connected to a mounting frame 45 having a cross-section in a "u" -shaped structure, the mounting plates 42 are pushed and pulled in and pulled back and forth along the axial direction of the two sliding shafts 46, and the polishing mechanism 5 is further driven to polish the side faces, the surface and the water gaps on the ground of the clamped plastic gear, and the inner plates 44 can be pulled to extend according to the thickness of the plastic gear, when the inner plate 44 is pulled, the tension spring 47 is opened, when the grinding mechanism 5 is abutted against a water gap of a gear, the mounting plate 42 is pushed and pulled along the direction of the sliding shaft 46, the grinding of the water gap of the plastic gear is realized, and the two reinforcing plates 43 increase the stability of the connection between the two mounting plates 42 and the two inner plates 44.

Specifically, the polishing mechanism 5 includes side shafts 53, two side shafts 53 are rotatably connected to the mounting bracket 45 relatively, the two side shafts 53 are fixed to a fixing seat 51, four backup plates 54 are slidably connected to the fixing seat 51 in a rectangular array, the cross section of each backup plate 54 is in a "T" shape, sand paper 52 is bonded to each of the four backup plates 54, the polishing mechanism 5 further includes a third spring 56, four sets of the third springs 56 are mounted on the fixing seat 51 in a rectangular array, a plurality of the third springs 56 are fixedly connected to convex columns 55 slidably connected to the fixing seat 51, a plurality of the backup plates 54 are each provided with a groove 57, the convex columns 55 are fastened inside the grooves 57, and when the sand paper 52 on the backup plate 54 on the fixing seat 51 is abutted against a plastic gear to be polished, the mounting plate 42 can be repeatedly pushed and pulled, the two sliding shafts 46 are convenient for the fixed seat 51 to move along with the sliding shafts, and then the water gap grinding of the side face, the surface and the ground of the gear is realized.

Specifically, the fixing mechanism 6 includes a housing 61, the housing 61 is fixedly connected to the mounting bracket 45, a pull rod 63 is slidably connected to the housing 61, an inner post 62 slidably connected to the mounting bracket 45 is fixedly connected to the pull rod 63, a fourth spring 64 is clamped between the inner post 62 and the housing 61, a clamping plate 65 having a cross-shaped structure on a side surface is fixedly connected to one end of the inner post 62 away from the pull rod 63, a clamping groove 66 having a cross-shaped structure is formed in one of the side shafts 53, the clamping plate 65 is clamped in the clamping groove 66, the clamping groove 66 corresponds to one half of the length and width of the fixing seat 51, when the sand paper 52 with different meshes needs to be replaced during polishing of the water gap on the gear, the pull rod 63 is pulled in a direction away from the mounting bracket 45, so that the inner post 62 is retracted into the housing 61, and then realized the fourth spring 64 contracts, the cardboard 65 on the inner column 62 with on the side shaft 53 the draw-in groove 66 separates, at this moment the fixing base 51 can rotate by three hundred sixty degrees, when needs the stop rotation when sand paper 52 corresponds with the gear mouth of a river fixing base 51, further unclamp the pull rod 63, realized the fourth spring 64 will the inner column 62 resets, cardboard 65 again with draw-in groove 66 block has realized right the fixing base 51 is spacing, quick change sand paper does benefit to the mouth of a river of polishing.

When the plastic gear model water gap polishing device is used, firstly, when a plastic gear model water gap on a plastic toy is polished, the box body 11 is placed on a horizontal table top, the box body 11 is reinforced by the suction disc 12, the situation that the box body 11 moves to affect polishing during polishing is avoided, and scraps during polishing fall onto the collecting hopper 13 in the box body 11 from the material leakage port 14 to be collected, so that the cleaning is convenient; if the water gap in the circumferential direction of the plastic gear is polished, the plastic gear is directly placed on the surface of the box body 11, and part of the plastic gear protrudes out of the material leakage opening 14, the top plate 31 is pressed, the clamping plate 33 directly clamps the plastic gear to be polished, if the surface and the bottom of the plastic gear are polished, teeth on the circumference of the plastic gear are placed at the clamping groove 34 on the surface of the box body 11, part of the teeth are exposed, similarly, the handle 32 is pressed to realize that the sliding plate 35 moves towards the inside of the box body 11 and the second spring 37 contracts, the clamping groove 34 on the clamping plate 33 clamps the plastic gear, the stability is good, the plastic gear cannot rotate in the circumferential direction, and the plastic gear is fixed in different axial and radial modes; after clamping a plastic gear to be polished on the clamping plate 33 and the box body 11, clockwise rotating the handle 24, and due to the fact that the screw rod 23 is rotationally connected with the connecting plate 21, the handle 24 drives the screw rod 23 to rotate towards the inside of the box body 11, and the two push rods 22 move the pressing plate 27 on the slide rod 25 towards the direction of the sliding plate 35, so that the fixed teeth 28 on the pressing plate 27 are meshed with the racks 36 on the sliding plate 35, the top plate 31 is limited, and the sliding plate 35 is prevented from being reset by the second spring 37 to cause the plastic gear between the clamping plate 33 and the box body 11 to topple; then, the mounting plates 42 are pushed and pulled back and forth along the axial direction of the two sliding shafts 46, so that the grinding mechanism 5 is driven to grind the side faces, the surfaces and the ground water gaps of the clamped plastic gears, the extending length of the inner plates 44 can be pulled according to the thickness of the plastic gears, the tension springs 47 are opened when the inner plates 44 are pulled, when the sand paper 52 is abutted against the water gaps of the gears, the mounting plates 42 are pushed and pulled along the direction of the sliding shafts 46, the grinding of the water gaps of the plastic gears is realized, and the two reinforcing plates 43 increase the stability of connection between the two mounting plates 42 and the two inner plates 44; finally, when the sand paper 52 on the backup plate 54 on the fixed seat 51 is abutted against the plastic gear to be polished, the mounting plate 42 can be repeatedly pushed and pulled, so that the two sliding shafts 46 are convenient for the fixed seat 51 to move along with the fixed seat, further, the water gaps on the side surface, the surface and the ground of the gear are polished, when the sand paper on the backup plate 54 needs to be replaced, the backup plate 54 can be pulled and pulled, further, the sand paper 52 is replaced, then, when the backup plate 54 is pulled and pulled, the convex column 55 slides out of the inner part of the groove 57, the third spring 56 contracts, the backup plate 54 is convenient to detach, because the backup plate 54 slides in the vertical direction when detached, and slides in the horizontal direction when the gear is polished, the backup plate 54 cannot shake during polishing, and polishing is facilitated; if need change the abrasive paper 52 of different mesh when polishing the mouth of a river on the gear, the direction pulling pull rod 63 that deviates from mounting bracket 45, the inside of interior post 62 shrink to shell 61 has been realized, and then the shrink of fourth spring 64 has been realized, cardboard 65 on the interior post 62 and the separation of draw-in groove 56 on the side shaft 53, fixing base 51 can rotate by three hundred sixty degrees this moment, stall fixing base 51 when the abrasive paper 52 that needs corresponds with the gear mouth of a river, further loosen pull rod 63, it resets interior post 62 to have realized fourth spring 64, cardboard 65 once more with draw-in groove 56 block, realized spacing to fixing base 51, quick change abrasive paper, do benefit to the mouth of a river of polishing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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

1. The utility model provides a mouth of a river grinding device of engineering working of plastics which characterized in that: the plastic gear polishing machine comprises a main body mechanism (1), wherein a clamping mechanism (3) for clamping a plastic gear to be polished is mounted on the main body mechanism (1), a positioning mechanism (2) for limiting the clamping mechanism (3) is arranged on the main body mechanism (1), an adjusting mechanism (4) is mounted on the main body mechanism (1), a polishing mechanism (5) for polishing a plastic gear water gap is arranged on the adjusting mechanism (4), and a fixing mechanism (6) for fixing the polishing mechanism (5) is arranged on the adjusting mechanism (4);

the main body mechanism (1) comprises a box body (11), two groups of suckers (12) are oppositely arranged on the box body (11), a material leakage port (14) for grinding chips to fall is formed in the box body (11), and a collection hopper (13) for collecting the ground chips is connected onto the box body (11) in a sliding mode;

the clamping mechanism (3) comprises sliding plates (35), the box body (11) is relatively and slidably connected with two sliding plates (35) with inverted L-shaped sections, a second spring (37) is clamped between the two sliding plates (35) and the box body (11), racks (36) are fixed on the two sliding plates (35), top plates (31) are fixedly connected on the two sliding plates (35), and clamping plates (33) are fixedly connected on the top plates (31);

positioning mechanism (2) includes push rod (22), relative sliding connection has two push rods (22) on box (11), two fixedly connected with connecting plate (21) between push rod (22), it is connected with lead screw (23) to rotate on connecting plate (21), threaded connection between lead screw (23) and box (11), relative sliding connection has two slide bars (25) on box (11), two be fixed with clamp plate (27) between slide bar (25), equidistant fixedly connected with and rack (36) between fixed tooth (28) of meshing on clamp plate (27), two it has first spring (26) to press from both sides between slide bar (25) and box (11), push rod (22) are contradicted with clamp plate (27).

2. The sprue polishing device of an engineered plastic part according to claim 1, wherein: fixture (3) still includes clamp groove (34), it has a plurality of clamp grooves (34) that are used for the gear that the centre gripping needs polished to be arc distribution relatively on splint (33), box (11), fixedly connected with handle (32) on roof (31).

3. The sprue polishing device of an engineered plastic part according to claim 1, wherein: the positioning mechanism (2) further comprises a handle (24), and the end part of the screw rod (23) is fixedly connected with the handle (24).

4. The sprue polishing device of an engineered plastic part according to claim 1, wherein: adjustment mechanism (4) are including fixed plate (41), go up through screw fixedly connected with fixed plate (41) on box (11), two sliding shaft (46) of relative fixedly connected with on fixed plate (41), two equal sliding connection has mounting panel (42), two on sliding shaft (46) equal sliding connection has inner panel (44), two the centre gripping has extension spring (47) between inner panel (44) and mounting panel (42), two equal fixedly connected with gusset plate (43) between mounting panel (42), two inner panel (44), one of them fixedly connected with transversal mounting bracket (45) of personally submitting "U" font structure on inner panel (44).

5. The sprue grinder assembly of claim 4, wherein the sprue grinder assembly further comprises: grinding machanism (5) include side shaft (53), relative swivelling joint has two side shafts (53) on mounting bracket (45), two side shaft (53) are fixed in on fixing base (51), rectangular array sliding connection has four backup plates (54) on fixing base (51), the transversal "T" shape structure of personally submitting of backup plate (54), four all bond abrasive paper (52) on backup plate (54).

6. The sprue polishing device of an engineered plastic part according to claim 5, wherein: the polishing mechanism (5) further comprises third springs (56), four groups of the third springs (56) are installed on the fixing seat (51) in a rectangular array mode, the third springs (56) are fixedly connected with convex columns (55) in sliding connection with the fixing seat (51), grooves (57) are formed in the backup plates (54), and the convex columns (55) are buckled inside the grooves (57).

7. The sprue polishing device of an engineered plastic part according to claim 6, wherein: fixed establishment (6) include shell (61), fixedly connected with shell (61) on mounting bracket (45), sliding connection has pull rod (63) on shell (61), sliding connection's inner prop (62) between fixedly connected with and mounting bracket (45) on pull rod (63), it has fourth spring (64) to press from both sides between inner prop (62) and shell (61), inner prop (62) deviate from one end fixedly connected with side of pull rod (63) and are cardboard (65) of "ten" font structure, one of them set up draw-in groove (66) that is "ten" font structure on side shaft (53), cardboard (65) block is in draw-in groove (66), draw-in groove (66) correspond the setting with the length of fixing base (51), width half department.