CN110253082B - A bottle-shaped cavity cutting device - Google Patents

Abstract

The invention relates to a bottle-shaped cavity cutting device, which belongs to the technical field of engineering machinery. The present invention includes a chassis 1, a motor II, a pulley III, a fixed plate IV, a rod II, a rod I, a nut I, a truss, a nut II, a motor I, a bolt I, a shell I, a fixed plate I, a shell II, a fixed Plate II, Machining Model, Hub Clamp, Fixing Plate III, Rod III, Bolt II, Pulley IV, Belt I, Pulley I, Bearing I, Fixing Ring, Bearing II, Bolt III, Toolholder I, Toolholder II, Blade, Bolt IV, Tool Guide, Lock Key, Lock Key Washer, Bearing V, Bearing III, Pulley II, Belt II, Bearing IV, Motor III, Bolt V. The invention enables the cutting point on the cutting mechanism to move in three degrees of freedom in the axial, radial and tangential directions at the same time relative to the workpiece to be cut during the machining of the symmetrical curved surface in the cavity, and at the same time, it can also be realized by controlling the transmission ratio of the transmission mechanism. Control of the roughness of symmetric surfaces within the cavity.

Description

A bottle-shaped cavity cutting device

technical field

The invention relates to a bottle-shaped cavity cutting device, which belongs to the technical field of construction machinery.

Background technique

For a long time, the problem of integrated molding of curved cavity processing has not been well solved. For a long time, curved cavity processing has been spliced together after segmented casting. This manufacturing method has poor precision, expensive manufacturing and long cycle time. and other shortcomings. With the development of science and technology, the demand for cavity-shaped surface parts with "small mouth and big belly" is increasing, and new processing methods are urgently needed to be realized. At present, machining complex and high-precision curved cavity parts has become an urgent problem to be solved in the mechanical and electronic manufacturing industry.

SUMMARY OF THE INVENTION

The technical problems to be solved by the present invention are as follows: the present invention provides a bottle-shaped cavity cutting device, which has poor precision when spliced together after segmented casting of traditional curved cavities, roughness that is difficult to meet production requirements, high cost of segmented mold opening, and high production cycle time. Due to the shortcomings of long and slow development cycle of new products, the concept of integrated manufacturing of curved cavities is proposed, and the integrated manufacturing of curved cavities is realized through the design of related mechanisms, providing a new device for integrated manufacturing of curved cavities.

The technical scheme of the present invention is: a bottle-shaped cavity cutting device, comprising a chassis 1, a motor II2, a pulley III3, a fixing plate IV4, a rod II5, a rod I6, a nut I7, a truss 8, a nut II9, a motor I10, and a bolt I11 , Shell I12, Fixed Plate I13, Shell II14, Fixed Plate II15, Machining Model 16, Hub Clip 17, Fixed Plate III18, Rod III19, Bolt II20, Pulley IV21, Belt I22, Pulley I23, Bearing I24, Fixed Ring 25, Bearing II26, Bolt III27, Toolholder I28, Toolholder II29, Blade 30, Bolt IV31, Tool Guide 32, Locking Key 33, Locking Key Washer 34, Bearing V35, Bearing III36, Pulley II37, Belt II38 , bearing Ⅳ39, motor Ⅲ40, bolt Ⅴ41;

The motor II2 is fixed on the chassis 1 by bolts III27, the pulley III3 is fixed on the rotating shaft of the motor II2, the pulley III3 and the pulley IV21 are connected by the belt II38, and the outer ring of the convex end of the pulley IV21 is fixed on the inner ring of the bearing IV39. , the outer ring of bearing IV39 is fixed on the hole of chassis 1, the inner ring of the convex end of pulley IV21 is threaded, the bolt II20 is threaded through the inner ring of the convex end of pulley IV21 and the inner ring of pulley IV21, and the top of bolt II20 is fixed on the fixing plate In the blind hole at the center of IV4, the rod I6 passes through the holes around the fixing plate IV4 and is fixed on the chassis 1 through the nut II9, the fixing plate III18 is fixed on the fixing plate IV4 through the rod III19 and the nut II9, and the motor III40 is fixed on the fixing plate IV4 by the bolt III27. On the fixing plate IV4, the hub clip 17 is fixed on the top of the rotating shaft of the motor III40, the middle position of the rotating shaft is an interference fit with the bearing III36, the outer ring of the bearing III36 is fixed on the hole of the fixing plate III18, and the bolt III27 passes through the holes around the hub clip 17. The hole fixes one end of the machining model 16 on the hub clip 17, the other end of the machining model 16 is fixed on the inner ring of the bearing V35, and the outer ring of the bearing V35 is fixed on the hole in the middle of the fixing plate II15. The fixing plate II15 is connected with the rod II5 and the nut I7. The fixing plate IV4 is fixed together, there are holes around the fixing plate II15, the rod I6 passes through the holes around the fixing plate II15, the other end of the rod I6 is fixed on the fixing plate I13 by the nut II9, and the shell I12 is fixed on the fixing plate I13 by the bolt III27 On, the motor I10 is fixed on the housing I12 by the bolt V41, the pulley I23 is fixed on the drive shaft of the motor I10, the pulley I23 and the pulley II37 are connected together by the belt I22, the inner ring of the pulley II37 is threaded, and the bolt I11 Pass through the inner ring of pulley Ⅱ37 and connect with pulley Ⅱ37 thread, the outer ring of the convex end of pulley Ⅱ37 is fixed on the inner ring of bearing I24, the outer ring of bearing I24 is fixed on the hole at the upper end of the shell I12, and the other end of bolt I11 is fixed on the inner ring of bearing I24. On the inner ring of bearing II26, the outer ring of this bearing II26 is fixed on the inner ring at one end of the fixing ring 25, the inner ring at the other end of the fixing ring 25 and the outer ring of the other bearing II26 have an interference fit, the inner ring of this bearing II26 and the cutter holder I28 One end is fixed together, the other end of the cutter bar I28 is hingedly connected with the cutter bar II 29 through the locking key 33 and the locking key washer 34, the cutter bar II 29 passes through the inner groove of the tool guide 32 and forms a sliding pair with the tool guide 32, and the blade 30 passes through the bolt. IV31 is fixed on one end of the tool bar II29, the circular boss of the tool guide 32 passes through the hole at the bottom end of the truss 8, the other end of the truss 8 is fixed on the shell II14 by bolts V41, and the shell II14 is fixed on the fixing plate I13 by bolts III27 superior.

Further, the bolt I11 is threadedly connected with the pulley II37, the rotational motion of the pulley II37 can be converted into the up and down movement of the bolt I11, and the tool bar I28 and the tool bar II29 are hinged connection and the tool guide rail 32 together constitute a connecting rod slider mechanism. , its degree of freedom is 1, and the blade 30 is fixed on the tool holder II29 by bolt IV31 for cutting.

Further, the bolt II20 passes through the inner ring of the convex end of the pulley IV21 and is threadedly connected to the inner ring of the pulley IV21, and the rotational movement of the pulley IV21 is converted into an up and down motion through the bolt II20 to realize the up and down push of the fixed plate IV4, because the fixed plate II15 The rod II5 and the nut I7 are connected together, and the rod I6 passes through the holes around the fixing plate II15 and the fixing plate IV4 and acts as a guide rail, so the bolt II20 can push the parts between the fixing plate II15 and the fixing plate IV4 along the four rods Ⅰ6 Slide up and down.

The working principle of the present invention is:

The kinetic energy generated by the motor II2 is transmitted to the belt II38 through the pulley III3, and the kinetic energy is transmitted to the pulley IV21 through the belt II38. The inner ring of the convex end of the pulley IV21 is threaded, and the bolt II20 passes through the inner ring of the convex end of the pulley IV21 and The inner ring of the pulley IV21 is threadedly connected. When the pulley IV21 rotates, the rotational kinetic energy is converted into vertical upward kinetic energy through the bolt II20 and pushes the fixed plate IV4, so as to realize the left and right rotation of the motor II2 into the up and down reciprocating motion of the fixed plate IV4. .

The rotation of the motor III40 drives the wheel hub clip 17 to rotate, the machining model 16 is fixed on the wheel hub clip 17 through the bolt III27, and the wheel hub clip 17 will carry the machining model 16, so as to realize the forward and reverse rotation of the motor III40 to drive the machining model 16 to run smoothly. , reverse rotation, and at the same time form cutting force to carry out cutting in the cavity.

The motor I10 rotates and drives the pulley I23 and transfers the kinetic energy to the pulley II37 through the belt I22. The inner ring of the pulley II37 is threaded, and the bolt I11 passes through the inner ring of the pulley II37 and is threaded with the pulley II37. The other end of the bolt I11 It is fixed on the inner ring of bearing II26. The outer ring of this bearing II26 is fixed on the inner ring at one end of the fixing ring 25. The inner ring at the other end of the fixing ring 25 has an interference fit with the outer ring of another bearing II26. One end of the rod I28 is fixed together, the other end of the knife rod I28 is hingedly connected with the knife rod II29 through the locking key 33 and the locking key washer 34, and the knife rod II29 passes through the inner groove of the tool guide rail 32 to form a sliding pair with the tool guide rail 32, and the blade 30 The bolt IV31 is fixed on one end of the cutter bar II29, so that the forward and reverse rotation driven by the rotation of the motor I10 drives the blade 30 to reciprocate in the axial and radial planes.

The beneficial effects of the invention are as follows: through the rotation of the motor II, the axial up and down movement of the machining model is realized; through the rotation of the motor III, the axial rotation of the machining model is realized and the cutting force is provided; Reciprocating movement in the axial and radial planes. That is, through the joint motion of motor II, motor III, and motor I at a certain time, the cutting point of the blade can obtain three degrees of freedom in the axial, radial and tangential directions relative to the machining model at the same time, so as to cut out the inner surface of the cavity. shape with high precision.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the structural schematic diagram of the vertical moving part of the cutting point driven by the bolt I of the present invention;

Fig. 3 is the schematic diagram of the rotating pair transition connection mode of the present invention;

4 is a schematic diagram of the connection between the shell II and the truss of the present invention;

Fig. 5 is the connection schematic diagram of the hinge link mechanism of the present invention;

Fig. 6 is the connection principle diagram I of the vertical device of the processing model of the present invention;

Fig. 7 is the connection schematic diagram II of the vertical device of the processing model of the present invention.

Labels in the figure: 1-chassis, 2-motor II, 3-pulley III, 4-fixed plate IV, 5-rod II, 6-rod I, 7-nut I, 8-truss, 9-nut II, 10-motor I, 11-bolt I, 12-shell I, 13-fixing plate I, 14-shell II, 15-fixing plate II, 16-processing model, 17-hub clip, 18-fixing plate III, 19-Rod III, 20-Bolt II, 21-Pulley IV, 22-Belt I, 23-Pulley I, 24-Bearing I, 25-Retaining Ring, 26-Bearing II, 27-Bolt III, 28-Knife Rod Ⅰ, 29-Tool holder Ⅱ, 30-Blade, 31-Bolt Ⅳ, 32-Tool guide rail, 33-Lock key, 34-Lock key washer, 35-Bearing Ⅴ, 36-Bearing Ⅲ, 37-Pulley II, 38-belt II, 39-bearing IV, 40-motor III, 41-bolt V.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

Embodiment 1: As shown in Figures 1-7, a bottle-shaped cavity cutting device includes a chassis 1, a motor II2, a pulley III3, a fixing plate IV4, a rod II5, a rod I6, a nut I7, a truss 8, and a nut II9 , Motor I10, Bolt I11, Shell I12, Fixed Plate I13, Shell II14, Fixed Plate II15, Machining Model 16, Hub Clip 17, Fixed Plate III18, Rod III19, Bolt II20, Pulley IV21, Belt I22, Pulley Ⅰ23, bearing Ⅰ24, fixing ring 25, bearing Ⅱ26, bolt Ⅲ27, tool holder Ⅰ28, tool holder Ⅱ29, blade 30, bolt Ⅳ31, tool guide 32, lock key 33, lock key washer 34, bearing Ⅴ35, bearing Ⅲ36, Pulley II37, belt II38, bearing IV39, motor III40, bolt V41;

The motor II2 is fixed on the chassis 1 by bolts III27 (4 pieces), the pulley III3 is fixed on the rotating shaft of the motor II2, the pulley III3 and the pulley IV21 are connected by the belt II38, and the outer ring of the convex end of the pulley IV21 is fixed on the bearing. On the inner ring of IV39, the outer ring of bearing IV39 is fixed on the hole of the chassis 1, the inner ring of the convex end of the pulley IV21 is threaded, and the bolt II20 (1) passes through the inner ring of the convex end of the pulley IV21 and is threaded to the inner ring of the pulley IV21 , the top of the bolt II20 is fixed in the blind hole at the center of the fixing plate IV4, the rod I6 (4 pieces) passes through the holes around the fixing plate IV4 and is fixed on the chassis 1 through the nut II9, and the fixing plate III18 passes through the rod III19 (4 pieces) and Nuts II9 (8 pieces) are fixed on the fixing plate IV4, the motor III40 is fixed on the fixing plate IV4 by bolts III27 (4 pieces), the hub clip 17 is fixed on the top of the rotating shaft of the motor III40, and the middle position of the rotating shaft is in interference with the bearing III36 Matching, the outer ring of bearing III36 is fixed on the hole of the fixing plate III18, the bolt III27 (4 pieces) passes through the holes around the hub clamp 17 to fix one end of the machining model 16 on the hub clamp 17, and the other end of the machining model 16 is fixed on the bearing V35 On the inner ring, the outer ring of bearing V35 is fixed on the hole in the middle of the fixing plate II15, the fixing plate II15 is fixed with the fixing plate IV4 by the rod II5 and the nut I7 (8 pieces), the fixing plate II15 has holes around it, and the rod I6 passes through it. The holes around the fixing plate II15, the other end of the rod I6 is fixed on the fixing plate I13 by the nuts II9 (4 pieces), the shell I12 is fixed on the fixing plate I13 by the bolts III27 (4 pieces), and the motor I10 is fixed on the fixing plate I13 by the bolts V41 (4 pieces). ) is fixed on the shell I12, the pulley I23 is fixed on the drive shaft of the motor I10, the pulley I23 and the pulley II37 are connected together by the belt I22, the inner ring of the pulley II37 is threaded, and the bolt I11 passes through the inside of the pulley II37 The ring is threadedly connected with the pulley II37, the outer ring of the convex end of the pulley II37 is fixed on the inner ring of the bearing I24, the outer ring of the bearing I24 is fixed on the hole at the upper end of the shell I12, the other end of the bolt I11 is fixed on the inner ring of the bearing II26, The outer ring of the bearing II26 is fixed on the inner ring at one end of the fixing ring 25, the inner ring at the other end of the fixing ring 25 is in interference fit with the outer ring of the other bearing II26, the inner ring of the bearing II26 is fixed with one end of the tool holder I28, the cutter The other end of the rod I28 is hingedly connected to the tool bar II29 through the locking key 33 and the locking key washer 34. The tool bar II29 passes through the inner groove of the tool guide 32 to form a sliding pair with the tool guide 32, and the blade 30 is fixed on the tool bar II29 by the bolt IV31. At one end of the truss 8, the circular boss of the tool guide 32 passes through the hole at the bottom end of the truss 8. The other end of the truss 8 is fixed on the casing II14 by bolts V41, and the casing II14 is fixed on the fixing plate I13 by bolts III27 (4 pieces).

Further, the bolt I11 is threadedly connected with the pulley II37, the rotational motion of the pulley II37 can be converted into the up and down movement of the bolt I11, and the tool bar I28 and the tool bar II29 are hinged connection and the tool guide rail 32 together constitute a connecting rod slider mechanism. , its degree of freedom is 1, and the blade 30 is fixed on the tool holder II29 by bolt IV31 for cutting.

Further, the bolt II20 passes through the inner ring of the convex end of the pulley IV21 and is threadedly connected to the inner ring of the pulley IV21, and the rotational movement of the pulley IV21 is converted into an up and down motion through the bolt II20 to realize the up and down push of the fixed plate IV4, because the fixed plate II15 The rod II5 and the nut I7 are connected together, and the rod I6 passes through the holes around the fixing plate II15 and the fixing plate IV4 and acts as a guide rail, so the bolt II20 can push the parts between the fixing plate II15 and the fixing plate IV4 along the four rods Ⅰ6 Slide up and down.

The working principle of the present invention is:

The kinetic energy generated by the motor II2 is transmitted to the belt II38 through the pulley III3, and the kinetic energy is transmitted to the pulley IV21 through the belt II38. The inner ring of the convex end of the pulley IV21 is threaded, and the bolt II20 passes through the inner ring of the convex end of the pulley IV21 and The inner ring of the pulley IV21 is threadedly connected. When the pulley IV21 rotates, the rotational kinetic energy is converted into vertical upward kinetic energy through the bolt II20 and pushes the fixed plate IV4, so as to realize the left and right rotation of the motor II2 into the up and down reciprocating motion of the fixed plate IV4. .

The rotation of the motor III40 drives the wheel hub clip 17 to rotate, the machining model 16 is fixed on the wheel hub clip 17 through the bolt III27, and the wheel hub clip 17 will carry the machining model 16, so as to realize the forward and reverse rotation of the motor III40 to drive the machining model 16 to run smoothly. , reverse rotation, and at the same time form cutting force to carry out cutting in the cavity.

The motor I10 rotates and drives the pulley I23 and transfers the kinetic energy to the pulley II37 through the belt I22. The inner ring of the pulley II37 is threaded, and the bolt I11 passes through the inner ring of the pulley II37 and is threaded with the pulley II37. The other end of the bolt I11 It is fixed on the inner ring of bearing II26. The outer ring of this bearing II26 is fixed on the inner ring at one end of the fixing ring 25. The inner ring at the other end of the fixing ring 25 has an interference fit with the outer ring of another bearing II26. One end of the rod I28 is fixed together, the other end of the knife rod I28 is hingedly connected with the knife rod II29 through the locking key 33 and the locking key washer 34, and the knife rod II29 passes through the inner groove of the tool guide rail 32 to form a sliding pair with the tool guide rail 32, and the blade 30 The bolt IV31 is fixed on one end of the cutter bar II29, so that the forward and reverse rotation driven by the rotation of the motor I10 drives the blade 30 to reciprocate in the axial and radial planes.

The specific embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and can also be made within the scope of knowledge possessed by those of ordinary skill in the art without departing from the purpose of the present invention. Various changes.

Claims (1)

1. A bottle-shaped cavity cutting device is characterized in that: the device comprises a chassis (1), a motor II (2), a belt wheel III (3), a fixed plate IV (4), a rod II (5), a rod I (6), a nut I (7), a truss (8), a nut II (9), a motor I (10), a bolt I (11), a shell I (12), a fixed plate I (13), a shell II (14), a fixed plate II (15), a processing model (16), a hub clamp (17), a fixed plate III (18), a rod III (19), a bolt II (20), a belt wheel IV (21), a belt I (22), a belt wheel I (23), a bearing I (24), a fixing ring (25), a bearing II (26), a bolt III (27), a cutter bar I (28), a cutter bar II (29), a cutter blade (30), a bolt IV (31), a cutter guide rail (32), a locking key (33), a locking key gasket (34), a bearing V (35), a bearing III (36), A belt wheel II (37), a belt II (38), a bearing IV (39), a motor III (40) and a bolt V (41);

the motor II (2) is fixed on the chassis (1) through a bolt III (27), the belt wheel III (3) is fixed on a rotating shaft of the motor II (2), the belt wheel III (3) is connected with the belt wheel IV (21) through a belt II (38), an outer ring of a convex end of the belt wheel IV (21) is fixed on an inner ring of a bearing IV (39), an outer ring of the bearing IV (39) is fixed on a hole of the chassis (1), an inner ring of the convex end of the belt wheel IV (21) is provided with threads, a bolt II (20) penetrates through the inner ring of the convex end of the belt wheel IV (21) and is in threaded connection with the inner ring of the belt wheel IV (21), the top end of the bolt II (20) is fixed in a blind hole in the center of the fixing plate IV (4), the rod I (6) penetrates through holes around the fixing plate IV (4) and is fixed on the chassis (1) through a nut II (9), the fixing plate III (18) is fixed on, the motor III (40) is fixed on the fixing plate IV (4) through a bolt III (27), the hub clamp (17) is fixed at the top end of a rotating shaft of the motor III (40), the middle position of the rotating shaft is in interference fit with the bearing III (36), the outer ring of the bearing III (36) is fixed on a hole of the fixing plate III (18), the bolt III (27) penetrates through holes around the hub clamp (17) to fix one end of the processing model (16) on the hub clamp (17), the other end of the processing model (16) is fixed on the inner ring of the bearing V (35), the outer ring of the bearing V (35) is fixed on a hole in the middle of the fixing plate II (15), the fixing plate II (15) is fixed with the fixing plate IV (4) through a rod II (5) and a nut I (7), holes are formed around the fixing plate II (15), the rod I (6) penetrates through holes around the fixing plate II (15), the other end of the rod I (6) is fixed on the fixing plate, the shell I (12) is fixed on a fixing plate I (13) through a bolt III (27), a motor I (10) is fixed on the shell I (12) through a bolt V (41), a belt wheel I (23) is fixed on a transmission shaft of the motor I (10), the belt wheel I (23) is connected with a belt wheel II (37) through a belt I (22), an inner ring of the belt wheel II (37) is threaded, a bolt I (11) penetrates through the inner ring of the belt wheel II (37) and is in threaded connection with the belt wheel II (37), an outer ring of a convex end of the belt wheel II (37) is fixed on the inner ring of a bearing I (24), an outer ring of the bearing I (24) is fixed on a hole in the upper end of the shell I (12), the other end of the bolt I (11) is fixed on the inner ring of a bearing II (26), an outer ring of the bearing II (26) is fixed on an inner ring at one end of a fixing ring (25), the inner ring, an inner ring of the bearing II (26) is fixed with one end of a cutter bar I (28), the other end of the cutter bar I (28) is hinged with the cutter bar II (29) through a locking key (33) and a locking key gasket (34), the cutter bar II (29) penetrates through an inner groove of a cutter guide rail (32) to form a sliding pair with the cutter guide rail (32), a blade (30) is fixed at one end of the cutter bar II (29) through a bolt IV (31), a circular boss of the cutter guide rail (32) penetrates through a hole in the bottom end of a truss (8), the other end of the truss (8) is fixed on a shell II (14) through a bolt V (41), and the shell II (14) is fixed on a fixing plate I (13) through a bolt III (27).

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