Grinding device for producing degradable environment-friendly polymer composite material

Abstract

The utility model discloses a grinding device for producing a degradable environment-friendly polymer composite material, and relates to the field of composite material grinding devices, the grinding device for producing the degradable environment-friendly polymer composite material comprises a base, and the top surface of the base is rotatably provided with a sun turntable; a plurality of planetary turntables are rotationally mounted at the top of the sun turntable at equal angle intervals by taking the axis of the sun turntable as the center; according to the grinding device for production of the degradable environment-friendly polymer composite material, the puller, namely the lower clamping strips corresponding to the puller, is arranged to be in sliding connection with the planetary rotating disc, and the distance between the two lower clamping strips is adjusted in cooperation with driving of the two-way screw, so that various grinding tanks with different diameters can be fixed to the planetary rotating disc; therefore, when the grinding device is replaced by an enterprise, the grinding tank on the previous grinding equipment can also be utilized, and the waste of the enterprise is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of composite material grinding device, especially to a grinding device for degradable environmental protection high molecular composite material production. BACKGROUND

[0002] When the degradable environmental protection high molecular composite material such as polylactic acid is crushed, refined or mixed and ground with other materials, a planetary ball mill is usually used, for example, when preparing polylactic acid-based composite material, the planetary ball mill is used to mix and grind polylactic acid particles and other additives.

[0003] In the prior art, the top surface of the planetary turntable is symmetrically fixed with two drawbars, the upper ends of the drawbars form a plurality of openings at equal intervals, the cross beam passes through the openings at different heights, so that the screw rod connected in the middle of the cross beam can press and fix the grinding tanks at different heights. This structure can adapt to grinding tanks of different heights, but the spacing between the two drawbars is fixed, and only grinding tanks of different heights can be installed. Different types of planetary ball mills often have different diameters of grinding tanks, which leads to the problem that the grinding tanks of different types of planetary ball mills are not universal. After replacing the planetary ball mill, the corresponding diameter of the grinding tank needs to be purchased, which often causes waste to the production and manufacturing enterprises. UTILITY MODEL CONTENT

[0004] In order to make up for the shortcomings of the prior art, the purpose of the utility model is to provide a grinding device for degradable environmental protection high molecular composite material production, which solves the problem that the planetary ball mill in the prior art cannot adapt to grinding tanks of different diameters.

[0005] In order to solve the problem of the prior art, the technical scheme of the utility model is as follows:

[0006] A grinding device for degradable environmental protection high molecular composite material production, comprising a base, a sun turntable is rotatably installed on the top surface of the base, a plurality of planetary turntables are rotatably installed on the top of the sun turntable at equal angular intervals with the axis of the sun turntable as the center, a locking frame is fixed on the top surface of the planetary turntable, a bearing disc is slidably installed on the inner wall of the lower end of the locking frame, the bearing disc can slide up and down in the locking frame along its axial direction, and a screw locking structure is installed on the middle of the upper end of the locking frame.

[0007] The top surface of the planetary turntable is fixed with a locking frame, the locking frame is located between the two lower clamping strips, a bearing disc is slidably installed on the middle of the inner wall of the lower end of the locking frame, the bearing disc can slide up and down in the locking frame along its axial direction, and a screw locking structure is installed on the middle of the upper end of the locking frame.

[0008] The upper clamping strip is slidably installed above the lower clamping strip, and the top surface of the planetary turntable is provided with a lifting assembly for driving the upper clamping strip to slide on the lower clamping strip.

[0009] Preferably, the opening and closing assembly comprises a bidirectional screw rod rotatably connected in the middle of the top surface of the planetary turntable through a bearing, the two lower clamping strips are respectively threadedly connected at the two ends of the bidirectional screw rod through screw holes, and one end of the bidirectional screw rod is fixed with a knob.

[0010] Preferably, anti-skid lines are formed on the outer wall of the knob at equiangular intervals.

[0011] Preferably, the bidirectional screw rod is arranged in an opening in the middle of the lower end of the locking frame.

[0012] Preferably, the two lower clamping strips are symmetrically fixed with sliding sleeves on the sides away from each other, the two upper clamping strips are symmetrically fixed with first sliding rods on the sides away from each other, each first sliding rod is opposite to one sliding sleeve, and the first sliding rod is slidably inserted into the sliding sleeve located below the first sliding rod.

[0013] Preferably, the lifting assembly comprises air bags symmetrically fixed between the top surface of the planetary turntable and the bottom surface of the bearing disc, and the two air bags are connected with air pipes, and the bottoms of the two sliding sleeves on each lower clamping strip are communicated with one of the air pipes.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The utility model discloses a planetary turntable, which comprises a planetary turntable, a bearing disc, a locking frame, a lower clamping strip, an upper clamping strip, a bidirectional screw rod and a knob.

[0016] 2. The utility model discloses a planetary turntable, which comprises a planetary turntable, a bearing disc, a locking frame, a lower clamping strip, an upper clamping strip, a bidirectional screw rod and a knob.

[0017] 3. The utility model discloses a planetary turntable, which comprises a planetary turntable, a bearing disc, a locking frame, a lower clamping strip, an upper clamping strip, a bidirectional screw rod and a knob. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the position relationship between the bearing disc and the locking frame of the utility model.

[0020] Figure 3 It is the position relation schematic view of air bag and bearing disc of the utility model;

[0021] Figure 4 It is the second slide rod position schematic view of the utility model;

[0022] Figure 5 It is the slide hole position schematic view of the utility model;

[0023] Reference signs: 1, base; 2, sun turntable; 3, planet turntable; 4, lower clamping strip; 5, bidirectional screw rod; 6, knob; 7, locking frame; 701, screw rod locking structure; 8, bearing disc; 9, upper clamping strip; 10, first slide rod; 11, sliding sleeve; 12, air bag; 13, air guide pipe; 14, second slide rod; 15, slide hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Please refer to Figures 1 to 5The embodiment provides a grinding device for producing degradable environment-friendly polymer composite materials, which comprises a base 1, a sun turntable 2 is rotatably installed on the top surface of the base 1, and a plurality of planet turntables 3 are rotatably installed on the top of the sun turntable 2 at equal angular intervals with the axis of the sun turntable 2 as the center. The planet turntable 3 is rotatably connected with the sun turntable 2 through a rotating shaft, a planet gear set is connected between the rotating shaft and the base 1, so that when the sun turntable 2 is driven to rotate, the planet turntable 3 is driven to revolve around the sun turntable 2, and at the same time, the planet turntable 3 is also driven to rotate around its own axis, which is a mature technology of the planet grinding machine, so the details are not repeated here. A locking frame 7 is fixed on the top surface of the planet turntable 3, the locking frame 7 is located between two lower clamping strips 4, a bidirectional screw 5 is arranged in the opening at the middle of the lower end of the locking frame 7, a bearing disc 8 is slidably installed on the middle of the inner wall of the lower end of the locking frame 7, two pairs of second sliding rods 14 are symmetrically fixed on the bottom surface of the bearing disc 8, each pair of two second sliding rods 14 is symmetrically distributed on the bearing disc 8, and the second sliding rod 14 is slidably connected with the lower end of the locking frame 7 through a sliding hole 15. Two lower clamping strips 4 are symmetrically slidably installed on the top surface of the planet turntable 3, the bidirectional screw 5 is rotatably installed on the middle of the top surface of the planet turntable 3 through a bearing, the two lower clamping strips 4 are respectively threadedly connected at the two ends of the bidirectional screw 5 through screw holes, one end of the bidirectional screw 5 is fixed with a knob 6, anti-skid lines are formed on the outer wall of the knob 6 at equal angular intervals, and the friction force is improved. Before the grinding tank is installed, the bidirectional screw 5 is rotated by rotating the knob 6, the distance between the two lower clamping strips 4 is adjusted, so that the distance can meet the grinding tank, the grinding tank is placed on the surface of the bearing disc 8 when the grinding tank is installed, and the position of the grinding tank is limited in the horizontal direction by the two lower clamping strips 4. The bearing disc 8 is coaxially arranged with the planet turntable 3, a screw locking structure 701 is installed at the middle of the upper end of the locking frame 7, the screw locking structure 701 is prior art, generally comprises a screw, a hand wheel and a pressure plate, the screw is rotated by rotating the hand wheel, and the pressure plate is pressed to press the grinding tank, which is also a mature technology, so the details are not repeated here. After the grinding tank is installed, the grinding tank is pressed by the screw locking structure 701, the installation is completed, and then the grinding work can be carried out. By arranging the lower clamping strip 4 in the form of sliding connection with the planet turntable 3 and cooperating with the bidirectional screw 5 to drive and adjust the distance between the two lower clamping strips 4, a plurality of grinding tanks with different diameters can be fixed on the planet turntable 3, so that when the enterprise replaces the grinding device, the grinding tank on the previous grinding equipment can also be used, and the waste of the enterprise is reduced. An upper clamping strip 9 is slidably installed above the lower clamping strip 4, a sliding sleeve 11 is symmetrically fixed on the side, away from each other, of the two lower clamping strips 4, a first sliding rod 10 is symmetrically fixed on the side, away from each other, of the two upper clamping strips 9, each first sliding rod 10 is opposite to one sliding sleeve 11, and the first sliding rod 10 is slidably inserted into the sliding sleeve 11 located below it. Two air bags 12 are symmetrically fixed between the top surface of the planet turntable 3 and the bottom surface of the bearing disc 8, one guide pipe 13 is connected to each air bag 12, and the bottom of each sliding sleeve 11 on the lower clamping strip 4 is communicated with one guide pipe 13.When the grinding tank is installed, the grinding tank contacts the bearing disc 8 and presses the bearing disc 8 to slide down, extrudes the air bag 12, and makes the gas on both sides enter into the four sliding sleeves 11, lifts the first sliding rod 10 to rise, makes the upper clamping strips 9 on both sides rise, thereby the height of the lateral surrounding of the grinding tank is lifted, and the stability of the lateral surrounding is improved, and when the grinding tank is removed, the upper clamping strips 9 slide down under the action of gravity, the gas reenters into the air bag 12, the air bag 12 restores the shape, and the bearing disc 8 is lifted again, so that the height of the upper clamping strips 9 is lowered, the worker does not need to lift the grinding tank to a high height to remove it, the operation is more convenient, and it is emphasized that the weight of the upper clamping strips 9 is far greater than the weight of the bearing disc 8.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grinding device for producing degradable environment-friendly polymer composites, comprising a base, a sun turntable is rotatably installed on the top surface of the base, a plurality of planet turntables are rotatably installed on the top of the sun turntable at equal angular intervals with the axis of the sun turntable as the center, characterized in that, The top surface of the planetary turntable is symmetrically slidably provided with two lower clamping strips, and an opening and closing assembly is arranged between the two lower clamping strips, the opening and closing assembly drives the two lower clamping strips to gather towards the axis of the planetary turntable or to expand away from the axis of the planetary turntable; The top surface of the planetary turntable is fixedly provided with a locking frame, the locking frame is located between the two lower clamping strips, a load bearing disc is slidably arranged at the middle portion of the inner wall of the lower end of the locking frame, the load bearing disc can slide up and down in the locking frame along the axial direction, and a screw locking structure is arranged at the middle portion of the upper end of the locking frame; An upper clamping strip is slidably arranged above the lower clamping strip, and a lifting assembly for driving the upper clamping strip to slide on the lower clamping strip is arranged on the top surface of the planetary turntable.

2. The grinding device for producing degradable environment-friendly polymer composites according to claim 1, characterized in that, The opening and closing assembly comprises a bidirectional screw rod rotatably connected to the middle portion of the top surface of the planetary turntable through a bearing, the two lower clamping strips are threadedly connected to the two ends of the bidirectional screw rod through screw holes, and one end of the bidirectional screw rod is fixedly provided with a knob.

3. The grinding device for producing degradable environment-friendly polymer composites according to claim 2, characterized in that, Anti-skid lines are formed on the outer wall of the knob at equiangular intervals.

4. The grinding device for producing degradable environment-friendly polymer composites according to claim 2, characterized in that, The bidirectional screw rod is arranged in the opening of the middle portion of the lower end of the locking frame.

5. The grinding device for producing degradable environment-friendly polymer composites according to claim 1, characterized in that, The side, away from each other, of the two lower clamping strips is symmetrically fixedly provided with a sliding sleeve, the side, away from each other, of the two upper clamping strips is symmetrically fixedly provided with a first sliding rod, each first sliding rod is opposite to one sliding sleeve, and the first sliding rod is slidably inserted into the sliding sleeve located below the first sliding rod.

6. The grinding device for producing degradable environment-friendly polymer composites according to claim 5, characterized in that, The lifting assembly comprises air bags symmetrically fixed between the top surface of the planetary turntable and the bottom surface of the load bearing disc, air pipes are connected to the two air bags, and the bottom portions of the two sliding sleeves of each lower clamping strip are communicated with one of the air pipes.

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