CN114670104B

CN114670104B - Injection molding machine accessory surface machining equipment and machining process

Info

Publication number: CN114670104B
Application number: CN202210246777.0A
Authority: CN
Inventors: 王炯凯; 吴乾兴; 周武炳
Original assignee: Ningbo Kaitongda Machinery Co ltd
Current assignee: Ningbo Kaitongda Machinery Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2023-04-07
Anticipated expiration: 2042-03-14
Also published as: CN114670104A

Abstract

The application relates to injection molding machine accessory surface machining equipment, which comprises a frame, the top of frame is provided with the mount table that supplies injection molding machine accessory fixed, the frame in the mount table upside sets up the subassembly of polishing, the subassembly of polishing include the support frame, rotate set up in rotating turret, three group on the support frame rotate set up in on the rotating turret and the butt in injection molding machine accessory surface polish the wheel and rotate set up in drive three groups simultaneously on the support frame polish the wheel pivoted output main shaft. The method has the characteristics of accelerating the surface processing efficiency of the parts of the injection molding machine and the like.

Description

Injection molding machine accessory surface machining equipment and machining process

Technical Field

The application relates to the technical field of injection molding machine accessory production, in particular to injection molding machine accessory surface machining equipment and a machining process.

Background

At present, the injection molding machine is also called an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. The mold clamping device is the most important mechanical part in the injection molding machine, and is the working part for ensuring the reliable closing of the molding mold, realizing the opening and closing actions of the mold and forming a molded product. The performance of the mold clamping unit is directly related to the quality and quantity of the molded products.

The template in the mold closing device usually needs to polish the surface after the molding is finished, but the polishing efficiency is low due to the small volume of the conventional polishing equipment.

Disclosure of Invention

In order to improve the machining efficiency, the application provides surface machining equipment and a surface machining process for accessories of an injection molding machine.

In a first aspect, the present application provides an injection molding machine accessory surface processing apparatus, which is specifically realized by the following technical scheme:

the utility model provides an injection molding machine accessory surface machining equipment, includes the frame, the top of frame is provided with the mount table that supplies injection molding machine accessory fixed, the frame in the mount table upside sets up the subassembly of polishing, the subassembly of polishing include the support frame, rotate set up in rotating turret, three group on the support frame rotate set up in on the rotating turret and the butt in injection molding machine accessory surface polish the wheel and rotate set up in on the support frame and drive three groups simultaneously polish the wheel pivoted output main shaft.

Through adopting above-mentioned technical scheme, when carrying out surface machining to injection molding machine accessory through this processing equipment, with injection molding machine accessory installation fixed on the mount table for the equal butt of three group's sanding wheels is at the upper surface of injection molding machine accessory, drive three group's sanding wheels through the output main shaft afterwards and all rotate, start the rotating turret simultaneously, make three group's sanding wheels respectively when polishing to injection molding machine accessory, the rotating turret drives three group's sanding wheels and rotates, thereby accelerate the efficiency of this processing equipment to injection molding machine accessory surface machining.

Preferably, the support frame is rotatably connected to the side end of the machine frame, lower pressing plates are horizontally arranged at two side ends of the support frame and located on the upper side of the polishing wheel, a lower pressing support is rotatably arranged at one side end, away from the support frame, of the machine frame, and a pressure spring abutted to the upper end face of each lower pressing plate is arranged on the lower end face of each lower pressing support.

Through adopting above-mentioned technical scheme, rotate the support frame and connect at the frame side for the support frame can drive the rotating turret and three groups polish the wheel and rotate to frame one side, and this moment is more convenient when installing injection molding machine accessory to the mount table, exerts pressure to the holding down plate through pushing down support and compression spring simultaneously, makes and polishes the wheel and can be more stable when polishing injection molding machine accessory surface, thereby promotes the effect of polishing.

Preferably, the side end of the rack is vertically slidably provided with a connecting seat, the supporting frame is rotatably connected with the connecting seat, and the lower side of the connecting seat is provided with an adjusting group for driving the connecting seat to vertically slide.

Through adopting above-mentioned technical scheme, adjust the vertical height of connecting seat through adjusting the group to the height of whole support frame is adjusted in the realization, and then makes this processing equipment can be to the surface machining of different thickness.

Preferably, the adjusting group comprises a first adjusting gear rotatably arranged at the side end of the rack, a second adjusting gear rotatably arranged at the side end of the rack and meshed with the first adjusting gear, an adjusting main shaft coaxially connected to the second adjusting gear and rotatably inserted at the side end of the rack, a third adjusting gear coaxially connected to the adjusting main shaft, a fourth adjusting gear rotatably arranged in the rack and meshed with the third adjusting gear, and an adjusting seat vertically slidably arranged at one side of the fourth adjusting gear, wherein a convex tooth meshed with the third adjusting gear is arranged at the side end of the adjusting seat, the diameter of the first adjusting gear is smaller than that of the second adjusting gear, the diameter of the second adjusting gear is larger than that of the third adjusting gear, and the diameter of the third adjusting gear is smaller than that of the fourth adjusting gear.

Through adopting above-mentioned technical scheme, when adjusting the connecting seat height through this regulation group, the operator is located frame one side and rotates first adjusting gear, it rotates to drive second adjusting gear through first adjusting gear, rethread adjustment main shaft drives third adjusting gear and rotates, third adjusting gear drives fourth adjusting gear again and rotates, fourth adjusting gear drives the vertical removal of regulation seat in the pivoted, and then drive the vertical removal of connecting seat, and simultaneously, through the size between each gear of configuration, make more light when rotating first adjusting gear, it is more convenient.

Preferably, the wheel of polishing includes first wheel and second wheel, first wheel with be formed with the confession between the second wheel the lower extreme of rotating turret inserts the pivoted and rotates the chamber, the coaxial driving gear that is provided with in middle part of output main shaft, the coaxial meshing that is provided with in upper end of first wheel the driven gear of driving gear, the driven gear cover is located rotating turret week side, the output main shaft with the rotation opposite direction of rotating turret.

Through adopting above-mentioned technical scheme, will polish the wheel and fall into first half wheel and second half wheel, the lower extreme of rotating turret rotates after passing the middle part of first half wheel coaxially and pegs graft in rotating the intracavity for whole wheel of polishing can rotate for the rotating turret, and output spindle drives the driving gear of lower extreme and rotates in reverse rotating the rotating turret, and the driving gear meshes the driven gear of first half wheel upper end, thereby accelerates the slew velocity of wheel of polishing, thereby further promotion this processing equipment is to the machining efficiency on injection molding machine accessory surface.

Preferably, the lower end of the output main shaft is provided with a compensation grinding wheel positioned among the three groups of grinding wheels, the side end of the compensation grinding wheel is close to the side end of the grinding wheel, and the lower end face of the compensation grinding wheel is flush with the lower end face of the grinding wheel.

Through adopting above-mentioned technical scheme, when polishing to injection molding machine accessory through three sets of grinding wheels, three sets of grinding wheels can't polish the position of output main shaft lower extreme, set up the benefit emery wheel at the lower extreme of output main shaft in this scheme, polish through mending the emery wheel to the clearance between three sets of grinding wheels to this processing equipment's the effect of polishing is better.

Preferably, the mount table include the pillar in middle part and circumference arrange in the adjustment sheet of pillar all sides, the adjustment sheet lower extreme is close to one side of pillar rotate connect in all sides end of pillar, the frame upper end in the downside of adjustment sheet is provided with the gasket, the frame in all sides end of mount table is provided with the fixed clamping jaw of the fixed injection molding machine accessory of centre gripping.

Through adopting above-mentioned technical scheme, when being fixed to the mount table with injection molding machine accessory installation, need make level earlier with the upper surface of injection molding machine accessory, leveling the upper surface of injection molding machine through the gasket of the adjustment sheet and the lower extreme that rotate to set up in this scheme, fix through fixed clamping jaw simultaneously, it is more convenient.

Preferably, a cleaning support is arranged at the side end of the rack, a cleaning air gun is arranged at the top of the cleaning support, and the cleaning air gun is obliquely and directionally arranged on the upper end face of the injection molding machine accessory at the upper end of the mounting table.

Through adopting above-mentioned technical scheme, along with constantly polishing of wheel of polishing and benefit emery wheel, the surface of injection molding machine accessory will produce a large amount of pieces, if not in time clear up, when these pieces get into between wheel of polishing and the injection molding machine accessory up end, will make the surface of injection molding machine accessory produce wearing and tearing, set up the clearance support at the frame side in this scheme, top at the clearance support sets up the clearance air gun, the clearance air gun through the slope is bloied the surface of injection molding machine accessory, thereby blow off the piece, in order to reduce the piece along with the influence of surface machining production.

Preferably, the terminal surface under the first half round in a plurality of buckles that evenly arrange in rotation chamber week side circumference, the confession has been seted up to the first half round up end down the draw-in groove that the buckle inserted the joint.

Through adopting above-mentioned technical scheme, pass through buckle and draw-in groove joint with first-half wheel and second-half wheel together, make first-half wheel and second-half wheel can only throw off in vertical direction, and buckle and draw-in groove will carry on spacingly in vertical direction to second-half wheel, and the second-half wheel of during operation also can rotate with first-half wheel under the drive of buckle together, on the other hand is along with the live time overlength of wheel of polishing, the effect of polishing of wheel of polishing descends, the accessible was changed the effect of second-half wheel in order to guarantee to polish this moment, the change of second-half wheel is more convenient simultaneously.

In a second aspect, the present application provides a surface processing process for an injection molding machine accessory, which is specifically realized by the following technical scheme:

a surface processing technology for an injection molding machine accessory comprises the steps of firstly, mounting the injection molding machine accessory to a mounting table; adjusting the grinding assembly to enable the three groups of grinding wheels to abut against the upper end face of the injection molding machine accessory; rotating the polishing wheel to polish the upper end face of the injection molding machine accessory, turning over the injection molding machine accessory after polishing is finished, and continuing polishing; step four, taking down the polished injection molding machine accessories

By adopting the technical scheme, the machining process has the advantages that the machining efficiency is faster and the replacement is more convenient when the machining process is used for machining the surfaces of the parts of the injection molding machine.

To sum up, the beneficial technical effect of this application does:

1. when the machining equipment is used for machining the surface of the injection molding machine accessory, the injection molding machine accessory is installed and fixed on the installation platform, the three groups of grinding wheels are abutted to the upper surface of the injection molding machine accessory, then the three groups of grinding wheels are driven by the output main shaft to rotate, and the rotating frame is started at the same time, so that the rotating frame drives the three groups of grinding wheels to rotate while the three groups of grinding wheels are used for grinding the injection molding machine accessory respectively, and the efficiency of the machining equipment for machining the surface of the injection molding machine accessory is improved;

2. the grinding wheel is divided into an upper half wheel and a lower half wheel, the lower end of the rotating frame coaxially penetrates through the middle part of the upper half wheel and then is rotatably inserted in the rotating cavity, so that the whole grinding wheel can rotate relative to the rotating frame, the output main shaft drives the driving gear at the lower end to rotate opposite to the rotating frame, and the driving gear is meshed with the driven gear at the upper end of the upper half wheel, so that the rotating speed of the grinding wheel is increased, and the processing efficiency of the processing equipment on the surfaces of the parts of the injection molding machine is further improved;

3. when the injection molding machine accessories are installed and fixed on the installation table, the upper surfaces of the injection molding machine accessories need to be leveled first, in the scheme, the upper surfaces of the injection molding machines are leveled through the adjusting sheets arranged in a rotating mode and the gaskets at the lower ends, meanwhile, the injection molding machines are fixed through the fixed clamping jaws, and the injection molding machine accessories are more convenient to use.

Drawings

FIG. 1 is a schematic structural view of an apparatus for surface processing of a part of an injection molding machine;

FIG. 2 is a schematic structural view of the surface processing equipment for the injection molding machine accessory at another view angle;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic diagram of a sanding assembly;

fig. 5 is an enlarged view of fig. 4 at B.

In the figure: 1. a frame; 2. an installation table; 3. polishing the assembly; 4. a pillar; 5. a regulating sheet; 6. a gasket; 7. fixing the clamping jaw; 8. a support frame; 9. a regulating group; 10. a rotating frame; 11. grinding the wheel; 12. an output spindle; 13. a first adjusting gear; 14. a second adjusting gear; 15. adjusting the main shaft; 16. a third adjusting gear; 17. a fourth adjusting gear; 18. an adjusting seat; 19. a chute; 20. a convex tooth; 21. a handle; 22. a connecting seat; 23. rotating the support; 24. a rod portion; 25. an end portion; 26. the upper half wheel; 27. a lower half wheel; 28. a rotation chamber; 29. rotating the hole; 30. buckling; 31. a rebound groove; 32. a return spring; 33. a clamping block; 34. a guide surface; 35. a card slot; 36. a disengagement groove; 37. a driving gear; 38. a driven gear; 39. repairing a grinding wheel; 40. pressing the bracket downwards; 41. a lower pressing plate; 42. a pressure spring; 43. cleaning the bracket; 44. and cleaning the air gun.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1 and 2, the surface processing equipment for the accessories of the injection molding machine comprises a machine frame 1, wherein a mounting table 2 for fixing the accessories of the injection molding machine is arranged at the top of the machine frame 1, and a grinding assembly 3 is arranged on the upper side of the mounting table 2 of the machine frame 1.

Referring to fig. 1 and 3, the mounting table 2 comprises a table post 4 vertically welded in the middle of the upper end of the rack 1 and a plurality of adjusting pieces 5 connected to the peripheral side ends of the table post 4 in a rotating manner through a rotating shaft, a gasket 6 is arranged between the adjusting pieces 5 and the rack 1 in a cushioning manner, and the adjusting pieces 5 are rotated and embedded into the gasket 6, so that the heights of the different adjusting pieces 5 are all independently adjustable, and the upper end face of an injection molding machine accessory placed on the mounting table 2 is guaranteed to be kept in a horizontal state.

The cylinder is fixed on the upper end face of the rack 1 at the peripheral side of the mounting table 2 through bolts, a piston rod of the cylinder horizontally points to the table post 4, the fixed clamping jaw 7 is fixed on the piston rod of the cylinder through bolts, and the cylinder can drive the fixed clamping jaw 7 to move horizontally and clamp and fix the injection molding machine accessories.

Referring to fig. 1, 3 and 4, the grinding assembly 3 includes a support frame 8 located at a side end of the machine frame 1, an adjusting group 9 for driving the support frame 8 to move vertically, a rotating frame 10 rotatably disposed on the support frame 8, three sets of grinding wheels 11 rotatably disposed on the rotating frame 10 and abutted against a surface of a fitting of an injection molding machine, and an output spindle 12 rotatably disposed on the support frame 8 and simultaneously driving the three sets of grinding wheels 11 to rotate.

Referring to fig. 1 and 4, the adjusting group 9 includes a joint group including a first adjusting gear 13 rotatably disposed at a side end of the frame 1 through a rotating shaft, a second adjusting gear 14 rotatably disposed at a side end of the frame 1 through a rotating shaft and meshed with the first adjusting gear 13, an adjusting spindle 15 coaxially connected to the second adjusting gear 14 and rotatably inserted at a side end of the frame 1, a third adjusting gear 16 coaxially connected to the adjusting spindle 15, a fourth adjusting gear 17 rotatably connected to the frame 1 through a rotating shaft and meshed with the third adjusting gear 16, and an adjusting seat 18 vertically slidably disposed at one side of the fourth adjusting gear 17, a sliding groove 19 for the adjusting seat 18 to be inserted and vertically slidably disposed at a side end of the frame 1 is disposed at a side end of the frame 1, a side end of the fourth adjusting gear 17 protrudes out of the sliding groove 19, convex teeth 20 meshed with the fourth adjusting gear 17 are vertically and uniformly and integrally disposed at a side end of the adjusting seat 18, so that the adjusting seat 18 can drive the adjusting seat 18 to vertically move along the sliding groove 19 when the first adjusting gear rotates, a handle 21 is coaxially welded at a middle portion of the end surface of the first gear far from the frame 1, a top portion of the adjusting seat 18 is fixed with a connecting seat 22 by a bolt, and the connecting seat 22 can drive the adjusting seat 18 to vertically slidably disposed along the sliding groove 19.

Support frame 8 rotates through the pivot and connects in the side of connecting seat 22, and rotating turret 10 rotates through the pivot and connects the one end of keeping away from connecting seat 22 at support frame 8, and the one end that connecting seat 22 was kept away from to support frame 8 has the motor through the bolt fastening, and the output shaft coaxial welding of motor is in the pivot of rotating turret 10 for the motor can drive rotating turret 10 and rotate.

Referring to fig. 5, the rotating frame 10 is away from the supporting frame 8, and one end is evenly split into three groups of rotating supports 23, and the three groups of rotating supports 23 are arranged in the circumferential direction, and each group of rotating supports 23 comprises a rod portion 24 and an end portion 25 which are integrally arranged, the rod portion 24 and the rotating frame 10 are welded together, and the end portion 25 is connected to one end of the rod portion 24 away from the rotating frame 10 through a bolt.

The grinding wheel 11 comprises an upper half wheel 26 and a lower half wheel 27, a rotating cavity 28 is formed in the middle of one end, close to each other, of the upper half wheel 26 and the lower half wheel 27, a rotating hole 29 penetrating through the rotating cavity 28 is coaxially formed in the middle of the upper half wheel 26, the rod portion 24 of the rotating support 23 is rotatably inserted in the rotating hole 29, and the end portion 25 of the rotating support 23 is rotatably inserted in the rotating cavity 28.

A plurality of buckles 30 are uniformly welded on one end face, away from the rotating frame 10, of the upper half wheel 26 in the circumferential direction, a rebound groove 31 is formed in the side end, away from the rotating frame 10, of each buckle 30, a return spring 32 is welded on the bottom wall of each rebound groove 31, a clamping block 33 is welded at one end, away from the bottoms of the rebound grooves 31, of each clamping block 33, an inclined guide face 34 is arranged at one end, away from the corresponding return spring 32, of each clamping block 33, a clamping groove 35 aligned with each buckle 30 and each clamping block 33 is formed in the periphery of each rotating cavity 28, on one end face, close to the upper half wheel 26, of each lower half wheel 27, a separation groove 36 communicated with and perpendicular to each clamping groove 35 is formed in the side end of each lower half wheel 27, when the upper half wheel 26 and the lower half wheel 27 are close together, the guide faces 34 of each clamping blocks 33 are gradually inserted into the clamping grooves 35, under the action of the guide faces 34, the clamping blocks 33 are gradually inserted into the rebound grooves 31, the return springs 32 are gradually compressed, and when the buckles 30 are completely inserted into the separation grooves 36, the upper half wheel 26 and the lower half wheel 27 are completely fixed together.

Referring to fig. 3 and 5, the top of the output spindle 12 is rotatably connected to the middle of the rotating frame 10 through a rotating shaft, a motor is fixed to one side of the output spindle 12 of the rotating frame 10 through a bolt, the motor is connected to the output spindle 12 through a gear transmission, the middle of the output spindle 12 is coaxially and key-connected to a driving gear 37, a driven gear 38 is coaxially welded to the top of the upper half wheel 26, the driving gear 37 is simultaneously engaged with the driven gears 38 located at the tops of the three upper half wheels 26, so that the output spindle 12 can drive the grinding wheel 11 to rotate through the driving gear 37 when rotating, the rotation direction of the grinding wheel 11 is opposite to the rotation direction of the rotating frame 10, a complementary grinding wheel 39 is fixed to one end of the output spindle 12 away from the rotating frame 10 through a bolt, and the lower end face of the complementary grinding wheel 39 is flush with the lower end face of the lower half wheel 27.

Referring to fig. 1, the upper end surface of the frame 1 is rotatably connected with a lower pressing bracket 40 through a rotating shaft, a lower pressing plate 41 is horizontally arranged on the top of the supporting frame 8 towards two sides integrally, the lower pressing bracket 40 is integrally L-shaped, one end of the lower pressing bracket 40, which is far away from the rotating shaft center, can be rotated to the upper side of the lower pressing plate 41, a pressure spring 42 is welded on the lower end surface of the lower pressing bracket 40, the pressure spring 42 can be abutted to the upper end surface of the lower pressing plate 41, and the whole supporting frame 8 is pressed down through the pressure spring 42.

The side welding of frame 1 has clearance support 43, and the top of clearance support 43 is fixed with clearance air gun 44 through the bolt, and the upper end face of injection molding machine accessory is fixed in to the slope direction of the air-out end of clearance air gun 44 on mount table 2.

The implementation principle of the embodiment is as follows:

when the surface of the accessory of the injection molding machine is processed by the processing equipment, the first step is that the accessory of the injection molding machine is placed on the mounting table 2, the height of the adjusting sheet 5 at the lower end is rotationally adjusted according to the flatness of the upper end surface of the accessory of the injection molding machine, then the gasket 6 is inserted into the lower end of the corresponding adjusting sheet 5, and finally the accessory of the injection molding machine is clamped and fixed by the fixed clamping jaw 7; step two, the support frame 8 is rotated to enable the grinding assembly 3 to be located on the upper side of an injection molding machine accessory, the height of the lower end face of a grinding wheel 11 on the whole grinding assembly 3 is adjusted according to the thickness of the injection molding machine accessory to be ground, the handle 21 on the side end of the rack 1 is rotated, the second adjusting gear 14 is driven to rotate through the first adjusting gear 13, the third adjusting gear 16 is driven to rotate through the adjusting spindle 15, the third adjusting gear 16 drives the fourth adjusting gear 17 to rotate, the fourth adjusting gear 17 drives the adjusting seat 18 to vertically move while rotating, and further drives the adjusting seat 18 and the connecting seat 22 to vertically move, so that the whole grinding assembly 3 is driven to vertically move, the lower end face of the grinding wheel 11 is abutted to the upper end face of the injection molding machine accessory, and then the pressing support 40 is rotated, so that the pressure spring 42 is abutted to the upper end face of the pressing plate 41; and step three, starting the rotating frame 10, driving the three groups of grinding wheels 11 to rotate together through the rotating frame 10, simultaneously starting the output main shaft 12, driving the driven gear 38 to rotate through the driving gear 37, and further enabling the grinding wheels 11 to rotate in the opposite direction of the rotating frame 10, so that the grinding of the surfaces of the accessories of the injection molding machine is accelerated.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an injection molding machine accessory surface machining equipment which characterized in that: including frame (1), the top of frame (1) is provided with and supplies the fixed mount table (2) of injection molding machine accessory, frame (1) in mount table (2) upside sets up grinding assembly (3), grinding assembly (3) including support frame (8), rotate set up in rotating turret (10), three group on support frame (8) rotate set up in on rotating turret (10) and butt in grinding wheel (11) on injection molding machine accessory surface and rotate set up in on support frame (8) and drive three group simultaneously grinding wheel (11) pivoted output main shaft (12), grinding wheel (11) include first half wheel (26) and second half wheel (27), first half wheel (26) with be formed with the confession between second half wheel (27) the lower extreme of rotating turret (10) inserts pivoted rotation chamber (28), the coaxial driving gear (37) that is provided with in the middle part of output main shaft (12), the upper end coaxial meshing of first half wheel (26) be provided with driven gear (38) of driving gear (37), set gear (38) in rotating turret (10) week side, output main shaft (12) and output main shaft (12) rotation opposite direction.

2. The apparatus of claim 1, wherein: support frame (8) rotate connect in frame (1) side, support frame (8) both sides end level is provided with holding down plate (41), holding down plate (41) are located polish wheel (11) upside, frame (1) is keeping away from one side end of support frame (8) rotates and is provided with holding down support (40), the lower terminal surface of holding down support (40) be provided with the butt in pressure spring (42) of holding down plate (41) up end.

3. The apparatus of claim 1, wherein: the vertical sliding of frame (1) side is provided with connecting seat (22), support frame (8) rotate connect in connecting seat (22), connecting seat (22) downside is provided with the drive connecting seat (22) vertical adjustment group (9) that slide.

4. The apparatus of claim 3, wherein: the adjusting group (9) comprises a first adjusting gear (13) rotatably arranged at the side end of the rack (1), a second adjusting gear (14) rotatably arranged at the side end of the rack (1) and meshed with the first adjusting gear (13), an adjusting main shaft (15) coaxially connected to the second adjusting gear (14) and rotatably inserted at the side end of the rack (1), a third adjusting gear (16) coaxially connected to the adjusting main shaft (15), a fourth adjusting gear (17) rotatably arranged in the rack (1) and meshed with the third adjusting gear (16), and an adjusting seat (18) vertically slidably arranged at one side of the fourth adjusting gear (17), wherein a convex tooth (20) meshed with the third adjusting gear (16) is arranged at the side end of the adjusting seat (18), the diameter of the first adjusting gear (13) is smaller than that of the second adjusting gear (14), the diameter of the second adjusting gear (14) is larger than that of the third adjusting gear (16), and the diameter of the third adjusting gear (16) is smaller than that of the fourth adjusting gear (17).

5. The apparatus of claim 1 for surface processing an injection molding machine accessory, wherein: the lower end of the output main shaft (12) is provided with a compensation wheel (39) positioned among the three groups of grinding wheels (11), the side end of the compensation wheel (39) is close to the side end of the grinding wheel (11), and the lower end face of the compensation wheel (39) is flush with the lower end face of the grinding wheel (11).

6. The apparatus of claim 1, wherein: mount table (2) including stand (4) and the circumference at middle part arrange in adjustment sheet (5) of stand (4) all sides, adjustment sheet (5) lower extreme is close to one side of stand (4) rotate connect in all sides end of stand (4), frame (1) upper end in the downside of adjustment sheet (5) is provided with gasket (6), frame (1) in all sides end of mount table (2) is provided with fixed clamping jaw (7) of the fixed injection molding machine accessory of centre gripping.

7. The apparatus of claim 1 for surface processing an injection molding machine accessory, wherein: the side end of the rack (1) is provided with a cleaning support (43), the top of the cleaning support (43) is provided with a cleaning air gun (44), and the cleaning air gun (44) is obliquely and directionally installed on the upper end face of an injection molding machine accessory at the upper end of the mounting table (2).

8. The apparatus of claim 1, wherein: last half round (26) lower terminal surface in a plurality of buckles (30) of evenly having arranged in rotation chamber (28) week side circumference, the confession has been seted up to half round (27) up end down buckle (30) insert draw-in groove (35) of joint.

9. A process for using the apparatus for processing the surface of an injection molding machine accessory according to any one of claims 1 to 8, characterized in that: the method comprises the steps of firstly, mounting an injection molding machine accessory on the mounting table (2); adjusting the grinding assembly (3) to enable the three groups of grinding wheels (11) to abut against the upper end face of the injection molding machine accessory; rotating the polishing wheel (11) to polish the upper end face of the injection molding machine accessory, turning over the injection molding machine accessory after polishing is finished, and continuing polishing; and step four, taking down the polished injection molding machine accessories.