阅读说明：本技术 一种用于腔体内壁的打磨机 (A polisher for cavity inner wall ) 是由 向城 廖忠泽 于 2019-09-18 设计创作，主要内容包括：本发明涉及打磨设备技术领域,尤其涉及一种用于腔体内壁的打磨机,包括机架、滑动台、转盘组件、备刀库、第一驱动装置、钻头套、第二驱动装置及第三驱动装置；转盘组件设于滑动台,第三驱动装置设于滑动台并驱动转盘组件转动；备刀库包括刀架、刀架驱动源及若干个刀槽,刀架驱动源连接于滑动台并驱动刀架转动,若干个刀槽以刀架中心轴呈环形阵列排布,每个刀槽放置不同规格的刀具；第一驱动装置设于机架并驱动滑动台往返运动使得转盘组件或刀架位于钻头套的下方；钻头套转动连接机架并对工件加工；第二驱动装置设于机架并驱动钻头套朝靠近或远离转盘组件的方向运动；实现生产过程中钻头套内刀具与备刀库内刀具的自动更换,提高生产效率。(The invention relates to the technical field of polishing equipment, in particular to a polishing machine for an inner wall of a cavity, which comprises a rack, a sliding table, a turntable assembly, a spare tool magazine, a first driving device, a drill sleeve, a second driving device and a third driving device, wherein the first driving device is arranged on the rack; the third driving device is arranged on the sliding table and drives the turntable assembly to rotate; the tool storage comprises a tool rest, a tool rest driving source and a plurality of tool grooves, the tool rest driving source is connected to the sliding table and drives the tool rest to rotate, the tool grooves are distributed in an annular array mode through a central shaft of the tool rest, and tools with different specifications are placed in each tool groove; the first driving device is arranged on the machine frame and drives the sliding table to reciprocate so that the turntable assembly or the tool rest is positioned below the drill bit sleeve; the drill sleeve is rotationally connected with the rack and processes the workpiece; the second driving device is arranged on the frame and drives the drill bit sleeve to move towards the direction close to or far away from the turntable assembly; the automatic replacement of the cutters in the drill bit sleeve and the cutters in the spare tool magazine in the production process is realized, and the production efficiency is improved.)

1. A polisher for cavity inner wall, includes the frame, its characterized in that: the automatic tool changer further comprises a sliding table (1), a turntable assembly (2), a tool storage (3), a first driving device (4), a drill sleeve (5), a second driving device (6) and a third driving device (7);

the turntable assembly (2) is arranged on the sliding table (1), the turntable assembly (2) is used for bearing a workpiece (900) to be machined, and the third driving device (7) is arranged on the sliding table (1) and is used for driving the turntable assembly (2) to rotate;

the tool storage (3) comprises a tool rest (31), a tool rest driving source (32) and a plurality of tool grooves (33) arranged on the tool rest (31), the tool rest driving source (32) is connected to the sliding table (1) and used for driving the tool rest (31) to rotate, the tool grooves (33) are arranged in an annular array mode by means of the central shaft of the tool rest (31), and each tool groove (33) is used for placing tools (901) with different specifications;

the first driving device (4) is arranged on the machine frame and used for driving the sliding table (1) to reciprocate, so that the rotary table assembly (2) or the tool rest (31) is positioned below the drill sleeve (5);

the drill sleeve (5) is rotatably connected with the rack and is used for machining a workpiece (900);

the second driving device (6) is arranged on the frame and used for driving the drill sleeve (5) to move towards the direction close to or away from the turntable assembly (2).

2. The sander for a cavity inner wall of claim 1, wherein: the spare tool magazine (3) further comprises a box body (34) and a cover plate (35), wherein a first notch (341) is formed in one side, close to the turntable assembly (2), of the box body (34), the box body (34) is fixedly connected to the sliding table (1), the tool rest (31) is accommodated in the box body (34), the cover plate (35) is fixedly connected to the tool rest (31), and the cover plate (35) covers the first notch (341) to stop external objects from entering the box body (34).

3. The sander for a cavity inner wall of claim 1, wherein: the turntable assembly (2) comprises a base (21), a transmission piece (22), a bottom plate (23), a fourth driving piece (24), a middle plate (25), a fifth driving piece (26), an upper plate (27) and a working table plate (28);

the base (21) is arranged on the sliding table (1);

the bottom plate (23) is connected to the base (21) and is arranged far away from the sliding table (1);

the bottom plate (23), the middle plate (25), the upper plate (27) and the working table plate (28) are sequentially arranged from bottom to top;

the transmission piece (22) is arranged on the base (21), and the third driving device (7) drives the bottom plate (23) to rotate through the transmission piece (22);

the fourth driving piece (24) is arranged on the bottom plate (23) and is used for driving the middle plate (25) to reciprocate;

the fifth driving piece (26) is arranged on the middle plate (25) and used for driving the upper plate (27) to reciprocate, and the moving direction of the middle plate (25) is crossed with that of the upper plate (27);

the working table plate (28) is fixedly connected to the upper plate (27).

4. The sander for a cavity inner wall of claim 3, wherein: the workbench plate (28) comprises a workpiece jig (281) and a locking piece (282) used for fixing the workpiece (900) on the workpiece jig (281), the locking piece (282) is hinged to the workpiece jig (281), and the workpiece jig (281) is provided with a plurality of through holes (2811).

5. The sander for a cavity inner wall of claim 1, wherein: sliding table (1) still includes safe case (11), safety box (11) are located in carousel subassembly (2), safe case (11) are equipped with second breach (111), second breach (111) are close to and are equipped with tool magazine (3) setting.

6. The sander for a cavity inner wall of claim 3, wherein: the third driving device (7) comprises a driving source (71) and a synchronous belt (72), the driving source (71) is arranged on the sliding table (1), and the synchronous belt is wound on an output end of the driving source (71) and the transmission piece (22).

7. The sander for a cavity inner wall of claim 6, wherein: the third driving device (7) further comprises a plurality of tension wheels (73), and each tension wheel (73) abuts against the synchronous belt (72).

8. The sander for a cavity inner wall of claim 1, wherein: the quantity of carousel subassembly (2) is a plurality of, the quantity of being equipped with tool magazine (3) is a plurality of, the quantity of drill point cover (5) is a plurality of, carousel subassembly (2), be equipped with tool magazine (3) and drill point cover (5) one-to-one.

Technical Field

The invention relates to the technical field of polishing equipment, in particular to a polishing machine for an inner wall of a cavity.

Background

Along with electronic technology's development, more electronic product has the function of making a video recording, so electronic product's casing needs to increase the camera hole, the camera hole matches with electronic product's camera, the machining precision requirement in the camera hole of electronic product casing is very high, the polishing is polished and is one indispensable manufacturing procedure, to polishing of camera downthehole wall, two to the cubic of whetting a knife that need trade different specifications usually just can reach the processing requirement, the tradition is changed the mode of whetting a knife and is shut down artifical tool changing, this kind of artifical mode of whetting a knife that trades seriously influences production efficiency.

Disclosure of Invention

In order to overcome the defect of low production efficiency caused by manual knife sharpening replacement in the prior art, the invention aims to provide the polisher for the inner wall of the cavity, so that automatic replacement of a cutter in a drill sleeve and a cutter in a spare tool magazine in the production process is realized, and the production efficiency is improved.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a grinding machine for the inner wall of a cavity comprises a rack, a sliding table, a turntable assembly, a tool storage, a first driving device, a drill sleeve, a second driving device and a third driving device;

the turntable assembly is arranged on the sliding table and used for bearing a workpiece to be machined, and the third driving device is arranged on the sliding table and used for driving the turntable assembly to rotate;

the tool storage comprises a tool rest, a tool rest driving source and a plurality of tool grooves arranged on the tool rest, wherein the tool rest driving source is connected to the sliding table and used for driving the tool rest to rotate, the tool grooves are distributed in an annular array mode by using a central shaft of the tool rest, and each tool groove is used for placing tools with different specifications;

the first driving device is arranged on the machine frame and used for driving the sliding table to reciprocate so that the turntable assembly or the tool rest is positioned below the drill bit sleeve;

the drill bit sleeve is rotationally connected with the rack and processes the workpiece;

the second driving device is arranged on the frame and is used for driving the drill bit sleeve to move towards the direction close to or far away from the turntable assembly.

Further, the spare tool magazine further comprises a box body and a cover plate, wherein a first notch is formed in one side, close to the turntable assembly, of the box body, the box body is fixedly connected to the sliding table, the tool rest is contained in the box body, the cover plate is fixedly connected to the tool rest, and the cover plate covers the first notch to block external objects from entering the box body.

Furthermore, the turntable assembly comprises a base, a transmission part, a bottom plate, a fourth driving part, a middle plate, a fifth driving part, an upper plate and a working table plate;

the base is arranged on the sliding table;

the bottom plate is connected to the base and is far away from the sliding table;

the bottom plate, the middle plate, the upper plate and the working table plate are sequentially arranged from bottom to top;

the transmission piece is arranged on the base, and the third driving device drives the bottom plate to rotate through the transmission piece;

the fourth driving part is arranged on the bottom plate and is used for driving the middle plate to reciprocate;

the fifth driving piece is arranged on the middle plate and used for driving the upper plate to reciprocate, and the moving direction of the middle plate and the moving direction of the upper plate are arranged in a crossed manner;

the working table plate is fixedly connected to the upper plate.

Furthermore, the work platen includes a workpiece fixture and a locking piece for fixing the workpiece to the workpiece fixture, the locking piece is hinged to the workpiece fixture, and the workpiece fixture is provided with a plurality of through holes.

Further, the sliding table further comprises a safety box, the turntable assembly is arranged in the safety box, a second notch is formed in the safety box, and the second notch is close to the spare tool magazine.

Furthermore, the third driving device comprises a driving source and a synchronous belt, the driving source is arranged on the sliding table, and the synchronous belt is wound on an output end of the driving source and a transmission piece.

Further, the third driving device further comprises a plurality of tension pulleys, and each tension pulley abuts against the synchronous belt.

Furthermore, the number of the turntable assemblies is a plurality, the number of the tool holders is a plurality, the number of the drill holders is a plurality, and the turntable assemblies, the tool holders and the drill holders are in one-to-one correspondence.

The invention has the beneficial effects that: through setting up sliding table, carousel subassembly, being equipped with tool magazine, first drive arrangement, drill point cover, second drive arrangement and third drive arrangement, realize the automatic change of cutter in the drill point cover 5 in the production process and being equipped with tool magazine 3 interior cutter, improve production efficiency.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic exploded view of the three-dimensional structure of the present invention;

FIG. 3 is a schematic perspective view of the spare tool magazine according to the present invention;

FIG. 4 is a schematic view of a three-dimensional split structure of the spare tool magazine according to the present invention;

FIG. 5 is a perspective view of the turntable assembly of the present invention;

FIG. 6 is a schematic view of a three-dimensional disassembled structure of the turntable assembly of the present invention;

FIG. 7 is a first perspective structural view of a third driving device and a turntable assembly according to the present invention;

fig. 8 is a second perspective structural diagram of the third driving device and the turntable assembly according to the present invention.

The reference numerals include:

1-sliding table 11-safety box 111-second notch

2-turntable assembly 21-base 22-transmission member

23-base plate 24-fourth drive 25-middle plate

26 fifth driving element 27 upper plate 28 table top

281-workpiece jig 2811-through hole 282-locking piece

3-spare tool magazine 31-tool carrier 32-tool carrier driving source

33-knife groove 34-box 341-first notch

35-cover plate 4-first driving device 5-drill sleeve

6-second drive device 7-third drive device 71-drive source

72-synchronous belt 73-tension pulley 900-workpiece

901-tool.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 8, the sander for inner wall of cavity of the present invention includes a frame, further includes a sliding table 1, a turntable assembly 2, a tool magazine 3, a first driving device 4, a bit holder 5, a second driving device 6 and a third driving device 7;

the turntable assembly 2 is arranged on the sliding table 1, the turntable assembly 2 is used for bearing a workpiece 900 to be processed, and the third driving device 7 is arranged on the sliding table 1 and is used for driving the turntable assembly 2 to rotate;

the tool storage 3 comprises a tool rest 31, a tool rest driving source 32 and a plurality of tool grooves 33 arranged on the tool rest 31, wherein the tool rest driving source 32 is connected to the sliding table 1 and used for driving the tool rest 31 to rotate, the plurality of tool grooves 33 are arranged in an annular array by using the central shaft of the tool rest 31, and each tool groove 33 is used for placing tools 901 with different specifications;

the first driving device 4 is arranged on the frame and used for driving the sliding table 1 to reciprocate so that the turntable assembly 2 or the tool rest 31 is positioned below the drill bit sleeve 5;

the drill sleeve 5 is rotatably connected to the frame and processes the workpiece 900;

the second driving means 6 is provided in the frame and is adapted to drive the bit holder 5 towards and away from the turret assembly 2.

Specifically, in this embodiment, the inner wall of the through hole of the mobile phone shell is polished, and the polishing machine is also suitable for polishing inner cavity walls of other shapes, and includes a sliding table 1, a turntable assembly 2 and a tool magazine 3, the turntable assembly 2 is located inside the sliding table 1, the tool magazine 3 is located outside the sliding table 1, that is, the tool magazine 3 is close to an operator of the polishing machine, so as to facilitate the operator to replace a spare tool 901, the turntable assembly 2 is used for fixing a workpiece 900, a tool rest 31 of the tool magazine 3 is provided with four tool grooves 33, wherein three tool grooves 33 are used for placing tools 901 of different specifications according to a preset requirement, one tool groove 33 is left, a tool rest driving source 32 is a motor, the motor drives the tool rest 31 to rotate, the tool grooves 33 rotate synchronously, firstly, the mobile phone shell is fixed on the turntable assembly 2, so that the central axis of the through hole to be processed of the mobile phone, the second driving device 6 drives the drill sleeve 5 to move downwards until the cutter of the drill sleeve 5 is abutted against the hole wall of the workpiece 900, the drill sleeve 5 rotates at a high speed, the third driving device 7 drives the turntable assembly 2 to rotate, the turntable assembly 2 drives the workpiece 900 to rotate synchronously, the preliminary polishing of the hole wall of the workpiece 900 is finished, the preliminary polishing is finished under the control of the control box, the second driving device 6 drives the drill sleeve 5 to move upwards, the first driving device 4 drives the sliding table 1 to move until the tool storage 3 moves to the position below the drill sleeve 5, the synchronous tool rest driving source 32 drives the tool rest 31 to enable the tool groove 33 to be vacant to be transferred to the position below the drill sleeve 5, the second driving device 6 drives the drill sleeve 5 to move downwards until the drill sleeve 5 descends to the vacant tool groove 33, the drill sleeve 5 releases the bayonet to enable the used cutter to fall into the vacant tool groove 33 under the control of the control box, the tool rest driving source 32 drives the tool rest 31 to rotate under the control of the control box so as to enable the tool groove 33 to rotate, a tool with a specification to be used is rotated to the position below the drill bit sleeve 5, the bayonet of the drill bit sleeve 5 is loosened to clamp the tool 901 to be used, the second driving device 6 drives the drill bit sleeve 5 to move upwards, the first driving device 4 drives the sliding table 1 to move until the turntable assembly 2 moves to the position below the drill bit sleeve 5, a hole to be machined of the workpiece 900 is located right below the drill bit sleeve 5, the second driving device 6 drives the drill bit sleeve 5 to move downwards until the hole wall to be machined is abutted, the workpiece 900 is continuously polished for the second time after automatic tool changing is completed, and according to the above principle, the tool 901 can be replaced for multiple times, and multiple times of polishing of.

Through setting up sliding table 1, carousel subassembly 2, being equipped with tool magazine 3, first drive arrangement 4, drill collar 5, second drive arrangement 6 and third drive arrangement 7, realize the automatic change of cutter in drill collar 5 and being equipped with tool magazine 3, improve production efficiency.

The spare tool magazine 3 further comprises a box body 34 and a cover plate 35, wherein a first notch 341 is formed in one side, close to the turntable assembly 2, of the box body 34, the box body 34 is fixedly connected to the sliding table 1, the tool rest 31 is accommodated in the box body 34, the cover plate 35 is fixedly connected to the tool rest 31, the cover plate 35 covers the first notch 341 to prevent external objects from entering the box body 34, cooling liquid needs to be used in the polishing process, the drill sleeve 5 rotates at high speed to enable the cooling liquid to splash around, and in the polishing process, the tool rest 31 rotates to enable the cover plate 35 to cover the first notch 341, so that standby tools in the box body 34 are protected, and normal use of all consumables is ensured.

The turntable assembly 2 comprises a base 21, a transmission part 22, a bottom plate 23, a fourth driving part 24, a middle plate 25, a fifth driving part 26, an upper plate 27 and a workbench plate 28;

the base 21 is arranged on the sliding table 1;

the bottom plate 23 is connected to the base 21 and is arranged away from the sliding table 1;

the bottom plate 23, the middle plate 25, the upper plate 27 and the working table plate 28 are arranged from bottom to top in sequence;

the transmission piece 22 is arranged on the base 21, and the third driving device 7 drives the bottom plate 23 to rotate through the transmission piece 22;

the fourth driving part 24 is arranged on the bottom plate 23 and is used for driving the middle plate 25 to reciprocate;

the fifth driving element 26 is arranged on the middle plate 25 and is used for driving the upper plate 27 to reciprocate, and the moving direction of the middle plate 25 is crossed with that of the upper plate 27;

the working table plate 28 is fixedly connected to the upper plate 27, when the workpiece 900 to be machined is provided with more through holes, and each through hole needs to be polished, the position of the workpiece 900 needs to be adjusted, the requirement that the through hole to be machined is located under the drill bit sleeve 5 is met, the fourth driving part 24 and the fifth driving part 26 are both motors, the fourth driving part 24 drives the middle plate 25 to move, the fifth driving part 26 drives the upper plate 27 to move, the moving direction of the middle plate 25 and the moving direction of the upper plate 27 are arranged in a crossed mode, preferably, the middle plate 25 moves in the X direction, the upper plate 27 moves in the Y direction, the middle plate 25 and the upper plate 27 move, plane displacement of the workpiece 900 is completed, different holes can be adjusted to be located under the drill bit sleeve 5, polishing of the same workpiece in different hole positions is met, and the use flexibility of the polisher is improved.

The work table plate 28 comprises a workpiece jig 281 and a locking piece 282 used for fixing the workpiece 900 to the workpiece jig 281, the locking piece 282 is hinged to the workpiece jig 281, the workpiece jig 281 is provided with a plurality of through holes 2811, the workpiece jig 281 is processed into the shape of a mobile phone shell, the mobile phone shell is convenient to fix, the workpiece jigs 281 of different shapes are designed according to the shapes of different electronic products, the body part of the locking piece 282 is hinged to the workpiece jig 281, and the fixing part of the locking piece 282 is used for fixing the workpiece 900 by adopting a soft chuck, so that the workpiece 900 is prevented from being damaged.

Sliding table 1 still includes safe case 11, safe incasement 11 is located to carousel subassembly 2, safe case 11 is equipped with second breach 111, second breach 111 is close to and is equipped with the setting of tool magazine 3, and the box of safe case 11 is the U type, places carousel subassembly 2 in U type box for the coolant liquid gathering avoids the coolant liquid to spill over in safe case 11.

The third driving device 7 includes a driving source 71 and a synchronous belt 72, the driving source 71 is disposed on the sliding table 1, the synchronous belt is wound on an output end of the driving source 71 and the transmission member 22, the driving source 71 is a motor, the transmission member 22 is a synchronous wheel, the motor drives the synchronous belt 72 to rotate, the synchronous wheel is driven to rotate synchronously, and the rotation of the bottom plate 23, namely the rotation of the turntable assembly 2, is realized.

The third driving device 7 further comprises a plurality of tension pulleys 73, each tension pulley 73 abuts against the synchronous belt 72, the friction between the synchronous belt 72 and the transmission piece 22 is conveniently adjusted due to the arrangement of the tension pulleys 73, and the production smoothness is ensured.

The quantity of carousel subassembly 2 is a plurality of, the quantity of being equipped with tool magazine 3 is a plurality of, the quantity of drill point cover 5 is a plurality of, carousel subassembly 2, be equipped with tool magazine 3 and drill point cover 5 one-to-one, preferred, the quantity of being equipped with tool magazine 3 is three, and the quantity of drill point cover 5 is three, and the quantity of carousel subassembly 2 is three, further improves production efficiency.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.