CN217143401U

CN217143401U - High-precision injection molding surface grinding machine with automatically adjustable height

Info

Publication number: CN217143401U
Application number: CN202220964751.5U
Authority: CN
Inventors: 王宁军
Original assignee: Nanjing Henty Electronics Co ltd
Current assignee: Nanjing Henty Electronics Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-09
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a high-precision injection molding surface grinding machine with automatically adjustable height, which relates to the technical field of plastic product preparation, and comprises a base, wherein the upper surface of the base is fixedly connected with a mounting frame, the top of the mounting frame is fixedly provided with a first motor, the output end of the first motor is fixedly connected with a first threaded rod, the outer wall of the first threaded rod is in threaded connection with a first movable nut, the lower surface of the first movable nut is fixedly connected with a mounting frame, the inside of the mounting frame is fixedly provided with a second cylinder, the output end of the second cylinder is fixedly connected with a mounting plate, the lower surface of the mounting plate is fixedly provided with a fourth motor, in the utility model, the injection molding can be firmly fixed by the cooperation of four clamping plates, the phenomena of looseness and the like in the grinding process are prevented, and the problem of uneven surface grinding caused by sliding of the injection molding during grinding is avoided, and is suitable for injection molding parts with different diameters.

Description

High-precision injection molding surface grinding machine with automatically adjustable height

Technical Field

The utility model relates to a plastic products preparation technical field especially relates to a but high accuracy injection molding surface polisher of height automatically regulated.

Background

The injection-molded part is visible everywhere, and the injection-molded part is manufactured by adopting an injection molding process. Injection molding is a production technology for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die, the injection molding die is indispensable in the injection molding technology, and the injection molding production technology is widely applied. In the molding process of the injection molding part, unnecessary burrs and leftover materials exist after the injection molding part is molded due to the existence of a flow channel or a gap in a mold. When the injection molding machine is used, the arm can be scratched, burrs must be manually removed and polished in the later period before leaving a factory, a reserved stub bar is arranged at the injection molding port, and the later period is required to be polished.

The deckle edge and the stub bar to injection moulding product now are usually polished through the handheld ordinary grinding apparatus of workman, and this requires very high to staff's technical ability and proficiency, otherwise can appear deckle edge and stub bar and polish not parallel and level, influence pleasing to the eye, can polish injection molding body surface even, lead to product damage, the unqualified problem of quality, and the manual work efficiency of polishing is extremely low, influences production efficiency easily.

Therefore, a high-precision injection molding surface grinding machine with the height capable of being automatically adjusted is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, but the high-accuracy injection molding surface polisher of a high automatically regulated that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-precision injection molding surface grinding machine with automatically adjustable height comprises a base, wherein a mounting frame is fixedly connected to the upper surface of the base, a first motor is fixedly mounted at the top of the mounting frame, the output end of the first motor is fixedly connected with a first threaded rod, the outer wall of the first threaded rod is in threaded connection with a first movable nut, the lower surface of the first movable nut is fixedly connected with a mounting frame, a second cylinder is fixedly mounted inside the mounting frame, the output end of the second cylinder is fixedly connected with a mounting plate, the lower surface of the mounting plate is fixedly mounted with a fourth motor, the output end of the fourth motor is fixedly connected with a second output shaft, and the output end of the second output shaft is fixedly connected with a grinding disc;

the fixing device comprises a support column, a bottom plate is fixedly connected to the outer wall of the support column, a third motor is fixedly mounted on the upper surface of the bottom plate, a first output shaft is fixedly connected to the output end of the third motor, the first output shaft is connected with a rotating shaft through gear transmission, the other end of the rotating shaft penetrates through and extends to the other side of the support column, the rotating shaft is rotatably connected with the support column through a bearing, a second connecting piece is fixedly connected to the other end of the rotating shaft, a second support rod is movably connected to the side wall of the second connecting piece, a first support rod is movably connected to the other end of the second support rod, a clamping plate is fixedly connected to one end of the first support rod, a first connecting piece is movably connected to the other end of the first support rod, and the first connecting piece is slidably connected with the rotating shaft, the outer wall of axis of rotation has cup jointed the spring, the spring is located between first connecting piece and the second connecting piece, the outer wall sliding connection of axis of rotation has the push pedal, the lateral wall of push pedal contacts with the outer wall of first connecting piece, the opposite side outer wall of push pedal rotates and is connected with the third threaded rod, third threaded rod and support column threaded connection.

Preferably, the top inner wall of the mounting frame is provided with a slide way, and the top of the first movable nut is nested inside the slide way.

Preferably, first bracing piece, splint, second bracing piece are four, four splint prolong the axle center equidistance of axis of rotation and arrange, the outer wall of splint all is provided with the plush copper, uses the fixed of carrying out the injection molding that can be firm through the cooperation of four splint, prevents to polish the in-process and takes place phenomenons such as lax.

Preferably, the outer wall of the supporting column is in threaded connection with a fastening screw, and the other end of the fastening screw is in contact with the outer wall of the third threaded rod.

Preferably, a second motor is fixedly mounted on two inner sides of the base, a second threaded rod is fixedly connected to the output end of the second motor, a second moving nut is connected to the outer wall of the second threaded rod in a threaded manner, an opening is formed in the top of the base, the second moving nut extends to the upper surface of the base through the opening, a moving block is fixedly connected to the extending end of the second moving nut, the upper surface of the moving block is fixedly connected with the bottom of the support column, the second motor is started, the second motor drives the second threaded rod to rotate, the second threaded rod drives the moving block to horizontally move through the second moving nut, and the moving block drives the fixing device to move, so that the fixing device is close to the injection molding piece.

Preferably, the upper surface of the base is fixedly provided with a slide rail, the slide rail is connected with a moving block in a sliding manner, and the second moving nut and the first moving nut both have self-locking performance.

Preferably, the inside fixed mounting of base has first cylinder, first cylinder is located the middle part of base, the output fixed mounting of first cylinder has the board of placing, place the outside that the board is located the base, place the injection molding of treating processing on the upper surface of placing the board, start first cylinder, first cylinder drives the injection molding rebound through placing the board.

The utility model has the advantages that:

1. the utility model discloses in, the injection molding that will treat processing is placed at the upper surface of placing the board, start first cylinder, first cylinder drives injection molding rebound through placing the board, make injection molding and fixing device keep same level, start the second motor, the second motor drives the second threaded rod and rotates, the second threaded rod passes through second traveling nut and drives movable block horizontal migration, the movable block drives fixing device and removes, make fixing device be close to the injection molding, it can adapt to the user demand of not equidimension injection molding to make it, and the material loading is very convenient, single can accomplish the material loading.

2. The utility model discloses in, when splint get into the injection molding inside, the manual third threaded rod that rotates, the third threaded rod drives the push pedal and removes toward one side that is close to first connecting piece, the push pedal promotes first connecting piece and removes toward one side that is close to the second connecting piece, the spring is extruded this moment, first connecting piece drives the swing of first bracing piece, first bracing piece drives splint and removes to the outside, splint and injection molding inner wall contact, tighten the fastening screw of third threaded rod department, cooperation through four splint use can be firm fixed of carrying out the injection molding, prevent to polish in-process emergence phenomenons such as lax, avoided the injection molding to cause the inhomogeneous problem of surface polishing because of sliding when polishing, and be applicable to the injection molding of different diameters size.

3. The utility model discloses in, start the fourth motor, the fourth motor drives through the second output shaft and beats the mill and descend, then starts the second cylinder, the second cylinder passes through the mounting panel and drives and beat the mill and descend, the surface contact of mill and injection molding, the height of beating the mill can freely be adjusted through the design of second cylinder, thereby can adapt to the user demand of different diameter size injection molding, and can adjust the packing force between mill and the injection molding, reach better effect of polishing.

4. The utility model discloses in, start the third motor, the third motor drives first output shaft and rotates, first output shaft passes through the gear and drives the axis of rotation and rotate, the axis of rotation drives splint and rotates, splint drive its externally fixed injection molding and rotate, can realize the rotation of injection molding, improve the scope of polishing, start first motor, first motor drives first threaded rod and rotates, first threaded rod drives first removal nut horizontal migration, first removal nut passes through the installing frame and drives the horizontal migration of polishing dish, the convenient position of adjusting the polishing dish, thereby polish to whole injection molding.

In a word, this polisher application scope is wide, and convenient to use is fit for one-man operation, and can realize evenly polishing, size precision height to the injection molding surface, effectively avoids the damage that the process of polishing caused because of the atress inequality.

Drawings

Fig. 1 is the utility model discloses a but high automatic adjustment's high-accuracy injection molding surface polisher's schematic structure diagram.

Fig. 2 is the utility model discloses a but the local structure schematic diagram of a department in fig. 1 of high-accuracy injection molding surface polisher of height automatically regulated.

Fig. 3 is the utility model discloses a but high automatically regulated's high-accuracy injection molding surface polisher's fixing device's schematic structure diagram.

Fig. 4 is the utility model discloses a but high automatically regulated's high-accuracy injection molding surface polisher's third threaded rod, the schematic structure of push pedal.

Fig. 5 is a schematic structural diagram of the first connecting member of the high-precision injection molding surface polisher with automatically adjustable height according to the present invention.

Fig. 6 is the utility model discloses a but high automatically regulated's high-accuracy injection molding surface polisher's structural schematic of second connecting piece.

Fig. 7 is the utility model discloses a but high automatically regulated's high-accuracy injection molding surface polisher place the structural schematic diagram of board.

Fig. 8 is a front view of the high-precision injection molding surface polisher with the height capable of being automatically adjusted according to the present invention.

Reference numbers in the figures: 1. a base; 2. a mounting frame; 3. a first motor; 4. a first threaded rod; 5. a first traveling nut; 6. a fixing device; 601. a support pillar; 602. a base plate; 603. a third motor; 604. a first output shaft; 605. a rotating shaft; 606. a first connecting member; 607. a first support bar; 608. a splint; 609. a second support bar; 610. a second connecting member; 611. a spring; 612. a third threaded rod; 613. pushing the plate; 7. a second motor; 8. a second threaded rod; 9. a second traveling nut; 10. an opening; 11. a slideway; 12. a slide rail; 13. a moving block; 14. a first cylinder; 15. placing a plate; 16. installing a frame; 17. a second cylinder; 18. mounting a plate; 19. a fourth motor; 20. a second output shaft; 21. a grinding disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example (b):

as shown in figures 1 to 8:

a high-precision injection molding surface grinding machine with automatically adjustable height comprises a base 1, wherein an installation frame 2 is fixedly connected to the upper surface of the base 1, a first motor 3 is fixedly installed at the top of the installation frame 2, a first threaded rod 4 is fixedly connected to the output end of the first motor 3, a first movable nut 5 is in threaded connection with the outer wall of the first threaded rod 4, an installation frame 16 is fixedly connected to the lower surface of the first movable nut 5, a second air cylinder 17 is fixedly installed inside the installation frame 16, an installation plate 18 is fixedly connected to the output end of the second air cylinder 17, a fourth motor 19 is fixedly installed on the lower surface of the installation plate 18, a second output shaft 20 is fixedly connected to the output end of the fourth motor 19, and a grinding disc 21 is fixedly connected to the output end of the second output shaft 20;

fixing devices 6 are arranged on two sides of the upper surface of the base 1, each fixing device 6 comprises a support column 601, a bottom plate 602 is fixedly connected to the outer wall of each support column 601, a third motor 603 is fixedly mounted on the upper surface of each bottom plate 602, a first output shaft 604 is fixedly connected to the output end of each third motor 603, the first output shaft 604 is connected to a rotating shaft 605 through gear transmission, the other end of each rotating shaft 605 penetrates through and extends to the other side of each support column 601, each rotating shaft 605 is rotatably connected with each support column 601 through a bearing, the other end of each rotating shaft 605 is fixedly connected with a second connecting piece 610, the side wall of each second connecting piece 610 is movably connected with a second support rod 609, the other end of each second support rod 609 is movably connected with a first support rod 607, one end of each first support rod 607 is fixedly connected with a clamping plate 608, the other end of each first support rod 607 is movably connected with a first connecting piece 606, and the first connecting pieces 606 are slidably connected with the rotating shafts 605, the outer wall of the rotating shaft 605 is sleeved with a spring 611, the spring 611 is located between the first connecting piece 606 and the second connecting piece 610, the outer wall of the rotating shaft 605 is connected with a push plate 613 in a sliding manner, the side wall of the push plate 613 is in contact with the outer wall of the first connecting piece 606, the outer wall of the other side of the push plate 613 is connected with a third threaded rod 612 in a rotating manner, and the third threaded rod 612 is in threaded connection with the supporting column 601.

Slide 11 has been seted up to the top inner wall of mounting bracket 2, the top of first removal nut 5 is nested in the inside of slide 11, first bracing piece 607, splint 608, second bracing piece 609 are four, four splint 608 prolong the axle center equidistance of axis of rotation 605 and arrange, the outer wall of splint 608 all is provided with the plush copper, cooperation through four splint 608 is used can be firm carry out the fixed of injection molding, the phenomenon such as lax takes place for the in-process of preventing to polish, the outer wall threaded connection of support column 601 has fastening screw, fastening screw's the other end contacts with the outer wall of third threaded rod 612.

The two sides of the interior of the base 1 are fixedly provided with a second motor 7, the output end of the second motor 7 is fixedly connected with a second threaded rod 8, the outer wall of the second threaded rod 8 is in threaded connection with a second moving nut 9, the top of the base 1 is provided with an opening 10, the second moving nut 9 extends to the upper surface of the base 1 through the opening 10, the extending end of the second moving nut 9 is fixedly connected with a moving block 13, the upper surface of the moving block 13 is fixedly connected with the bottom of the support column 601, the second motor 7 is started, the second motor 7 drives the second threaded rod 8 to rotate, the second threaded rod 8 drives the moving block 13 to horizontally move through the second moving nut 9, the moving block 13 drives the fixing device 6 to move, so that the fixing device 6 is close to an injection molding part, the upper surface of the base 1 is fixedly provided with a slide rail 12, the slide rail 12 is in sliding connection with the moving block 13, and the second moving nut 9 and the first moving nut 5 have self-locking property, the inside fixed mounting of base 1 has first cylinder 14, and first cylinder 14 is located the middle part of base 1, and the output fixed mounting of first cylinder 14 has places board 15, places board 15 and is located the outside of base 1, places the injection molding of treating processing on the upper surface of placing board 15, starts first cylinder 14, and first cylinder 14 drives the injection molding rebound through placing board 15.

The specific use mode and function of the embodiment are as follows:

when the utility model is used, an injection molding piece to be processed is placed on the upper surface of the placing plate 15, the first air cylinder 14 is started, the first air cylinder 14 drives the injection molding piece to move upwards through the placing plate 15, so that the injection molding piece and the fixing device 6 keep the same level, the second motor 7 is started, the second motor 7 drives the second threaded rod 8 to rotate, the second threaded rod 8 drives the moving block 13 to move horizontally through the second moving nut 9, the moving block 13 drives the fixing device 6 to move, so that the fixing device 6 is close to the injection molding piece, and the injection molding piece can be adapted to the use requirements of injection molding pieces with different lengths and sizes;

when the clamping plate 608 enters the injection molding part, the third threaded rod 612 is manually rotated, the third threaded rod 612 drives the push plate 613 to move towards one side close to the first connecting piece 606, the push plate 613 pushes the first connecting piece 606 to move towards one side close to the second connecting piece 610, the spring 611 is extruded at the moment, the first connecting piece 606 drives the first supporting rod 607 to swing, the first supporting rod 607 drives the clamping plate 608 to move towards the outer side, the clamping plate 608 is in contact with the inner wall of the injection molding part, the fastening screw at the position of the third threaded rod 612 is tightened, the injection molding part can be firmly fixed by matching the four clamping plates 608, the phenomena of looseness and the like in the polishing process are prevented, and the injection molding part is suitable for injection molding parts with different diameters;

the fourth motor 19 is started, the fourth motor 19 drives the polishing disc 21 to descend through the second output shaft 20, then the second air cylinder 17 is started, the second air cylinder 17 drives the polishing disc 21 to descend through the mounting plate 18, the polishing disc 21 is in contact with the outer surface of the injection molding part, the height of the polishing disc 21 can be freely adjusted through the design of the second air cylinder 17, and therefore the use requirements of injection molding parts with different diameters can be met, the pressing force between the polishing disc 21 and the injection molding part can be adjusted, and a better polishing effect is achieved;

the third motor 603 is started, the third motor 603 drives the first output shaft 604 to rotate, the first output shaft 604 drives the rotating shaft 605 to rotate through the gear, the rotating shaft 605 drives the clamping plate 608 to rotate, the clamping plate 608 drives the injection molding part fixed on the outer portion of the clamping plate 608 to rotate, rotation of the injection molding part can be achieved, and the polishing range is improved;

start first motor 3, first motor 3 drives first threaded rod 4 and rotates, and first threaded rod 4 drives 5 horizontal migration of first removal nut, and first removal nut 5 drives 21 horizontal migration of polishing dish through installing frame 16, conveniently adjusts the position of polishing dish 21 to polish whole injection molding.

The above structure and process are shown in FIGS. 1-8.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a but high self-adjusting's high-accuracy injection molding surface polisher, includes base (1), its characterized in that, the last fixed surface of base (1) is connected with mounting bracket (2), the top fixed mounting of mounting bracket (2) has first motor (3), the output fixedly connected with first threaded rod (4) of first motor (3), the outer wall threaded connection of first threaded rod (4) has first removal nut (5), the lower fixed surface of first removal nut (5) is connected with installing frame (16), the inside fixed mounting of installing frame (16) has second cylinder (17), the output fixedly connected with mounting panel (18) of second cylinder (17), the lower fixed surface of mounting panel (18) installs fourth motor (19), the output fixedly connected with second output shaft (20) of fourth motor (19), the output end of the second output shaft (20) is fixedly connected with a polishing disc (21);

the fixing device (6) is arranged on each of two sides of the upper surface of the base (1), the fixing device (6) comprises a supporting column (601), a bottom plate (602) is fixedly connected to the outer wall of the supporting column (601), a third motor (603) is fixedly mounted on the upper surface of the bottom plate (602), a first output shaft (604) is fixedly connected to the output end of the third motor (603), the first output shaft (604) is connected with a rotating shaft (605) through gear transmission, the other end of the rotating shaft (605) penetrates through and extends to the other side of the supporting column (601), the rotating shaft (605) is rotatably connected with the supporting column (601) through a bearing, a second connecting piece (610) is fixedly connected to the other end of the rotating shaft (605), a second supporting rod (609) is movably connected to the side wall of the second connecting piece (610), a first supporting rod (607) is movably connected to the other end of the second supporting rod (609), the one end fixedly connected with splint (608) of first bracing piece (607), the other end swing joint of first bracing piece (607) has first connecting piece (606), first connecting piece (606) and axis of rotation (605) sliding connection, spring (611) have been cup jointed to the outer wall of axis of rotation (605), spring (611) are located between first connecting piece (606) and second connecting piece (610), the outer wall sliding connection of axis of rotation (605) has push pedal (613), the lateral wall of push pedal (613) contacts with the outer wall of first connecting piece (606), the opposite side outer wall of push pedal (613) rotates and is connected with third threaded rod (612), third threaded rod (612) and support column (601) threaded connection.

2. The polisher for the surface of the high-precision injection-molded part with the automatically adjustable height as claimed in claim 1, characterized in that the inner wall of the top of the mounting frame (2) is provided with a slide way (11), and the top of the first movable nut (5) is nested inside the slide way (11).

3. The machine for grinding the surface of the high-precision injection-molded part with the automatically adjustable height according to claim 1, wherein the number of the first supporting rod (607), the clamping plate (608) and the second supporting rod (609) is four, the four clamping plates (608) are arranged at equal intervals along the axial center of the rotating shaft (605), and the outer walls of the clamping plates (608) are provided with raised heads.

4. The machine for grinding the surface of high-precision injection-molded parts with automatically adjustable height according to claim 1, characterized in that a fastening screw is screwed on the outer wall of the supporting column (601), and the other end of the fastening screw is in contact with the outer wall of the third threaded rod (612).

5. The high-precision injection molding surface grinding machine with the automatically adjustable height as claimed in claim 1, characterized in that a second motor (7) is fixedly mounted on both sides of the interior of the base (1), a second threaded rod (8) is fixedly connected to an output end of the second motor (7), a second moving nut (9) is connected to an outer wall of the second threaded rod (8) in a threaded manner, an opening (10) is formed in the top of the base (1), the second moving nut (9) extends to the upper surface of the base (1) through the opening (10), a moving block (13) is fixedly connected to an extending end of the second moving nut (9), and the upper surface of the moving block (13) is fixedly connected to the bottom of the supporting column (601).

6. The polisher for the surfaces of high-precision injection-molded parts with automatically adjustable height according to claim 5, characterized in that a slide rail (12) is fixedly installed on the upper surface of the base (1), the slide rail (12) is slidably connected with a moving block (13), and the second moving nut (9) and the first moving nut (5) have self-locking performance.

7. The polisher for high-precision injection-molded parts with automatically adjustable height as claimed in claim 1, characterized in that a first cylinder (14) is fixedly mounted inside the base (1), the first cylinder (14) is located in the middle of the base (1), a placing plate (15) is fixedly mounted at the output end of the first cylinder (14), and the placing plate (15) is located outside the base (1).