Honing strip guide device for honing inner surface of gasoline engine cylinder body of plant protection machine

Abstract

The utility model provides a honing strip guide device for honing the inner surface of a cylinder body of a plant protection machinery gasoline engine, which comprises a honing machine mounting seat, a gear mounting plate, a spur rack and a gear, an embedded turntable is arranged at the center of the gear mounting plate, a key shaft section is arranged at the center of the embedded turntable, one end of the gear is provided with a key shaft connecting sleeve, and the other end of the gear is connected with the spur rack. A key groove assembled with the key shaft section is formed in the key shaft connecting sleeve, and the gear is connected with the embedded rotating disc through the key shaft section and the key groove which are assembled and connected. The first strip-shaped guide groove is formed in the inner side of the honing machine mounting base, the second strip-shaped guide groove is formed in the inner side of the gear mounting plate, the spur rack is located between the first strip-shaped guide groove and the second strip-shaped guide groove, and teeth of the spur rack are connected with teeth of the gear in a meshed mode. Therefore, the spur rack can have good guiding precision in the movement process, movement stability and good machining precision are guaranteed, and the ideal honing effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the gasoline engine cylinder processing technical field relates to a kind of honing strip guiding device for honing inside surface of the cylinder body of plant protection machinery gasoline engine. BACKGROUND

[0002] The honing process of the inner surface of the engine cylinder body is improved honing, which utilizes the principle of error average method to improve the machining surface precision, so the precision requirement of the honing head itself is not very high. But the honing strip must be guided by the original machining surface (so there is a certain machining requirement for the previous process of the honing surface), and the track of each reciprocating motion of the honing strip on the machining surface must not be repeated, so that the honing can achieve the ideal effect; The track depth formed is moderate, and under the suitable temperature and oil pressure of the engine, the excess oil can flow back and lubricate better under the action of gravity along the track, which is also called groove, so that the engine oil burning or cylinder pulling does not occur.

[0003] In the prior art, such as patent No. CN201920008832.6 relates to a boring and honing high-precision micro-feeding mechanism, the feeding mechanism further includes a support guiding mechanism arranged in the support frame and located on one side of the ball screw; The machining precision of each component of the support guiding mechanism is greatly reduced by the rolling wheel sliding mode, and the assembly precision requirement is also reduced, thereby reducing the production and assembly cost and greatly reducing the maintenance cost. However, the setting of the guiding mechanism has the disadvantage of poor guiding precision in the application process, and the wear caused by the rolling wheel sliding mode causes the motion precision to decrease, and further causes the up-down deviation to increase during rolling. Therefore, we design a honing strip guiding device for honing the inner surface of the cylinder body of plant protection machinery gasoline engine. SUMMARY

[0004] The utility model aims at providing a honing strip guiding device for honing the inner surface of the cylinder body of plant protection machinery gasoline engine to solve the problems raised in the above background technology.

[0005] The purpose of the utility model can be realized by the following technical scheme: a honing strip guiding device for honing the inner surface of the cylinder body of plant protection machinery gasoline engine, including honing machine mounting seat, gear installation board, straight rack and gear, the honing machine mounting seat is connected with gear installation board bolt fastening, the center of gear installation board is provided with embedded turntable, the center of embedded turntable is provided with key shaft section, one end of gear is provided with key shaft sleeve, the inside of key shaft sleeve is provided with key groove matched with key shaft section, gear is connected with embedded turntable through the key shaft section and key groove of assembly connection;

[0006] The inner side of the honing machine mounting seat is provided with a strip-shaped guide groove one, the inner side of the gear mounting plate is provided with a strip-shaped guide groove two, the straight rack is located between the strip-shaped guide groove one and the strip-shaped guide groove two and the teeth of the straight rack are engaged with the teeth of the gear;

[0007] The side part of the honing machine mounting seat is embedded with an oil storage cylinder, the front section of the oil storage cylinder is located at the inner side of the honing machine mounting seat and is provided with a one-way oil storage valve port, one end of the one-way oil storage valve port is provided with an oil outlet duckbill, and the oil outlet duckbill is in contact with the gear.

[0008] The top end of the straight rack is provided with a machine head connecting column.

[0009] In the honing strip guiding device for the inner surface of the cylinder of the gasoline engine of the plant protection machinery, a vertical guide strip is further included, three positioning connecting columns are arranged at the bottom of the vertical guide strip, a bolt shaft is arranged at the middle part of the vertical guide strip, a slide rail groove is arranged at one side of the vertical guide strip, a spherical guide block is slidably connected in the slide rail groove, a shaft coupling is connected to one end of the spherical guide block, and one end of the shaft coupling is connected with the machine head connecting column. The purpose of this arrangement is to make the straight rack have good movement precision during the up-and-down reciprocating movement by the vertical guide strip, reduce the deviation of the straight rack during the movement, and further improve the honing precision of the honing strip during the honing process.

[0010] In the honing strip guiding device for the inner surface of the cylinder of the gasoline engine of the plant protection machinery, a machine head connecting plate is arranged at the side of the machine head connecting column, a screw hole mounting plate is arranged at one side of the machine head connecting plate, and the machine head connecting plate is connected with the shaft coupling. The purpose of this arrangement is to facilitate the installation of the machine head part of the honing machine, and to make the vertical guide strip and the straight rack have certain structural strength with the machine head part, so as to reduce the looseness between the structures and the unstable movement.

[0011] In the honing strip guiding device for the inner surface of the cylinder of the gasoline engine of the plant protection machinery, a contact guide block connected with the strip-shaped guide groove one and the strip-shaped guide groove two is arranged at the side of the straight rack. The purpose of this arrangement is to make the straight rack move better relative to the strip-shaped guide groove one and the strip-shaped guide groove two, reduce the deviation of the straight rack inside the strip-shaped guide groove one and the strip-shaped guide groove two, and also reduce the wear of the straight rack.

[0012] In the honing strip guiding device for the inner surface of the cylinder of the gasoline engine of the plant protection machinery, a five-hole positioning mounting seat is arranged at the front end of the honing machine mounting seat, and an internal thread hole is arranged at the center of the five-hole positioning mounting seat. The purpose of this arrangement is to facilitate the quick installation of the honing machine mounting seat to the honing machine part, ensure the firmness of the connection, and make the straight rack correspond to the machine head part, so as to facilitate the installation and realize the guiding effect of the honing strip of the machine head part.

[0013] Compared with the prior art, the honing strip guiding device for the honing of the inner surface of the cylinder body of the plant protection mechanical gasoline engine has the following advantages: the strip-shaped guiding groove one is arranged on the inner side of the honing machine mounting seat, the strip-shaped guiding groove two is arranged on the inner side of the gear mounting plate, the straight rack is located between the strip-shaped guiding groove one and the strip-shaped guiding groove two, and the teeth of the straight rack are connected with the teeth of the gear in meshing connection, so that the straight rack has good guiding precision during movement, the stability of movement and good machining precision are ensured, the honing achieves ideal effect, the formed track depth is moderate, the oil storage cylinder is embedded on the side of the honing machine mounting seat, the front section of the oil storage cylinder is located on the inner side of the honing machine mounting seat and is provided with the one-way oil storage valve port with the oil outlet duckbill, the gear can be lubricated, the abrasion between the gear and the straight rack is reduced, and the movement precision for a long time is facilitated; the vertical guide strip is additionally arranged, the slide rail groove is formed on one side of the vertical guide strip, the spherical guide block is slidably connected in the slide rail groove, one end of the spherical guide block is connected with the shaft coupling, and one end of the shaft coupling is connected with the machine head connecting column; the design of the vertical guide strip enables the straight rack to have good movement precision during up-down reciprocating movement, the deviation amount of the straight rack during movement is reduced, and the honing precision of the honing strip during honing is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective structural schematic view of the honing strip guiding device for the honing of the inner surface of the cylinder body of the plant protection mechanical gasoline engine.

[0015] Figure 2 is a perspective structural schematic view of the honing machine mounting seat of the honing strip guiding device for the honing of the inner surface of the cylinder body of the plant protection mechanical gasoline engine.

[0016] Figure 3 is a perspective structural schematic view of the gear of the honing strip guiding device for the honing of the inner surface of the cylinder body of the plant protection mechanical gasoline engine.

[0017] Figure 4 is a perspective structural schematic view of the gear mounting plate of the honing strip guiding device for the honing of the inner surface of the cylinder body of the plant protection mechanical gasoline engine.

[0018] Figure 5 is a structural schematic view of the vertical guide strip of the honing strip guiding device for the honing of the inner surface of the cylinder body of the plant protection mechanical gasoline engine.

[0019] In the figure, 1, honing machine mounting seat; 2, gear mounting plate; 3, straight rack; 4, head connecting column; 5, vertical guide bar; 6, head connecting plate; 7, screw hole mounting plate; 8, shaft coupling; 9, gear; 10, five-hole positioning mounting seat; 11, positioning connecting column; 12, key shaft connecting sleeve; 13, key groove; 14, key shaft section; 15, oil storage cylinder; 16, one-way oil storage valve port; 17, oil outlet duckbill; 18, strip-shaped guide groove one; 19, strip-shaped guide groove two; 20, embedded rotary disc; 21, spherical guide block; 22, slide rail groove. DETAILED DESCRIPTION

[0020] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0021] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the utility model relates to a honing strip guiding device for the inner surface of the cylinder of a plant protection mechanical gasoline engine,

[0022] The main structure of the guiding device comprises a honing machine mounting seat 1, a gear mounting plate 2, a straight rack 3 and a gear 9, the honing machine mounting seat 1 is bolted and fastened to the gear mounting plate 2, a five-hole positioning mounting seat 10 is mounted at the front end of the honing machine mounting seat 1, a threaded hole is arranged in the center of the five-hole positioning mounting seat 10, an embedded rotary disc 20 is arranged at the center of the gear mounting plate 2, a key shaft section 14 is arranged at the center of the embedded rotary disc 20, a key shaft connecting sleeve 12 is arranged at one end of the gear 9, a key groove 13 is formed in the inside of the key shaft connecting sleeve 12 and matched with the key shaft section 14, and the gear 9 is connected to the embedded rotary disc 20 through the matched key shaft section 14 and key groove 13; a head connecting column 4 is arranged at the top end of the straight rack 3.

[0023] The guiding device utilizes the meshing movement of the gear 9 and the straight rack 3 to realize the guiding operation of the honing strip at the head part, thereby ensuring the stable guiding of the honing strip.

[0024] In the embodiment, a strip-shaped guide groove one 18 is arranged at the inner side of the honing machine mounting seat 1, a strip-shaped guide groove two 19 is arranged at the inner side of the gear mounting plate 2, the straight rack 3 is located between the strip-shaped guide groove one 18 and the strip-shaped guide groove two 19 and the teeth of the straight rack 3 are meshed and connected to the teeth of the gear 9; a contact guiding block connected to the strip-shaped guide groove one 18 and the strip-shaped guide groove two 19 is arranged at the side of the straight rack 3.

[0025] The design of the embodiment enables the straight rack 3 to have good guiding accuracy during movement, ensures the stability of movement and good machining precision, and enables the honing to achieve ideal effect; the formed track depth is moderate.

[0026] Further, in order to be able to lubricate the gear 9, reduce the wear between the gear and the rack, facilitate to ensure the motion accuracy for a long time, an oil storage cylinder 15 is embedded on the side of the honing machine mounting seat 1, the front section of the oil storage cylinder 15 is located on the inner side of the honing machine mounting seat 1 and is provided with a one-way oil storage valve port 16, one end of the one-way oil storage valve port 16 is provided with an oil outlet duckbill 17, and the oil outlet duckbill 17 is in contact with the gear 9.

[0027] Specifically, when the gear 9 rotates, the end of the oil outlet duckbill 17 can be in contact with the gear 9, and then the rotation gap difference is used to make the oil outlet duckbill 17 open-close-open-close, so as to realize the storage of lubricating oil, and then lubricate the gear 9. Since the rack 3 engages with the gear 9, the rack 3 can be lubricated.

[0028] In the second embodiment, the vertical guide bar 5 is further provided with three positioning connecting columns 11 at the bottom, the positioning connecting column 11 at the middle position is a bolt shaft, one side of the vertical guide bar 5 is provided with a sliding rail groove 22, the sliding rail groove 22 is slidably connected with a spherical guide block 21, one end of the spherical guide block 21 is connected with a shaft coupling 8, one end of the shaft coupling 8 is connected with the machine head connecting column 4, the side of the machine head connecting column 4 is provided with a machine head connecting plate 6, one side of the machine head connecting plate 6 is provided with a threaded hole mounting plate 7, and the machine head connecting plate 6 is connected with the shaft coupling 8.

[0029] The setting of this embodiment is to make the rack 3 have good motion accuracy during the up-down reciprocating motion, reduce the axial and radial deviation (relative to the axial and radial direction of the gear 9), and reduce the deviation of the rack 3 during the motion, so as to improve the honing accuracy of the honing bar during the honing process.

[0030] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. The specific embodiments described in the specification are only illustrative of the spirit of the present application. The person skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A honing strip guiding device for honing the inner surface of a cylinder of a plant protection machine gasoline engine, comprising a honing mounting base (1), a gear mounting plate (2), a straight rack (3) and a gear (9), characterized in that, The gear mounting plate (2) is bolted and fastened with the honing machine mounting seat (1), the center of the gear mounting plate (2) is provided with an embedded turntable (20), the center of the embedded turntable (20) is provided with a key shaft section (14), one end of the gear (9) is provided with a key shaft connecting sleeve (12), the inside of the key shaft connecting sleeve (12) is provided with a key groove (13) matched with the key shaft section (14), the gear (9) is connected with the embedded turntable (20) through the matched key shaft section (14) and the key groove (13). The inner side of the honing machine mounting seat (1) is provided with a strip-shaped guide groove one (18), the inner side of the gear mounting plate (2) is provided with a strip-shaped guide groove two (19), the straight rack (3) is located between the strip-shaped guide groove one (18) and the strip-shaped guide groove two (19), and the teeth of the straight rack (3) are meshed and connected with the teeth of the gear (9). The side of the honing machine mounting seat (1) is embedded with an oil storage cylinder (15), the front section of the oil storage cylinder (15) is located on the inner side of the honing machine mounting seat (1) and is provided with a one-way oil storage valve port (16), one end of the one-way oil storage valve port (16) is provided with an oil outlet duckbill (17), and the oil outlet duckbill (17) is in contact with the gear (9). The top end of the straight rack (3) is provided with a machine head connecting column (4).

2. The honing strip guiding device for the inner surface of the cylinder of the plant protection machinery gasoline engine according to claim 1, characterized in that, Further comprising a vertical guide strip (5), the bottom of the vertical guide strip (5) is provided with three positioning connecting columns (11), the positioning connecting column (11) located in the middle part is a bolt shaft.

3. The honing strip guiding device for the inner surface of the cylinder of the plant protection machinery gasoline engine according to claim 2, characterized in that, One side of the vertical guide strip (5) is provided with a sliding rail groove (22), the inside of the sliding rail groove (22) is slidably connected with a spherical guide block (21), one end of the spherical guide block (21) is connected with a shaft coupling (8), and one end of the shaft coupling (8) is connected with the machine head connecting column (4).

4. The honing strip guiding device for the inner surface of the cylinder of the plant protection machinery gasoline engine according to claim 3, characterized in that, The side of the machine head connecting column (4) is provided with a machine head connecting plate (6), one side of the machine head connecting plate (6) is provided with a threaded hole mounting plate (7), and the machine head connecting plate (6) is connected with the shaft coupling (8).

5. The honing strip guiding device for the inner surface of the cylinder of the plant protection machinery gasoline engine according to claim 1, characterized in that, The side of the straight rack (3) is provided with a contact guide block connected with the strip-shaped guide groove one (18) and the strip-shaped guide groove two (19).

6. The honing strip guiding device for the inner surface of the cylinder of the plant protection machinery gasoline engine according to claim 1, characterized in that, The front end of the honing machine mounting seat (1) is provided with a five-hole positioning mounting seat (10), and the center of the five-hole positioning mounting seat (10) is provided with an internally threaded hole.

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