CN112719394A

CN112719394A - Automatic equidistant cutting device for machining mechanical parts

Info

Publication number: CN112719394A
Application number: CN202011573366.XA
Authority: CN
Inventors: 王宝梁
Original assignee: Jiangsu Vocational College of Electronics and Information
Current assignee: Jiangsu Vocational College of Electronics and Information
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-04-30

Abstract

The invention relates to the technical field of mechanical equipment, and discloses an automatic equidistant cutting device for machining mechanical parts, which comprises a bottom plate, a cutting table, a conveying plate, a cutting tool holder and a cutting tool; two sets of the root of cutting knife rotates through a set of arbor to be connected in the arbor groove, is located two sets of waist type sliding port has been seted up respectively to the upside of arbor inslot portion front side cutting knife downside and rear side cutting knife, and the inside sliding connection of waist type sliding port has the axis of rotation, and is two sets of the left side of axis of rotation is connected with a set of connecting block of arranging the outside rectangle structure in arbor groove left side jointly, and the left side wall fixed mounting of connecting block has a set of horizontal telescopic link, is located the right side the vertical section right side wall fixed mounting of cutting blade holder has a set of sleeve of suit on the telescopic link, is located the telescopic link middle part fixed mounting of sleeve inside and has a set of limiting plate, and the limiting plate elastic sleeve.

Description

Automatic equidistant cutting device for machining mechanical parts

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to an automatic equidistant cutting device for machining mechanical parts.

Background

In the machining process, some parts generally need to be cut, especially some rod-shaped or plate-shaped parts, in order to be cut for subsequent large-scale use, the parts generally need to be cut in multiple sections, and even more, with the continuous progress of the technology, the cutting precision also has higher requirements, and in order to ensure subsequent smooth use, equidistant part cutting is needed at the present stage.

Mechanical parts cutting device at present stage, when carrying out the equidistance cutting, can't guarantee when cutting the part, ensure the smooth timely feed of part again or need use different drive arrangement to control to cutting operation and feed operation, so just can increase the consumption of the energy to improve production and use cost.

Disclosure of Invention

The invention aims to provide an automatic equidistant cutting device for machining mechanical parts, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic equidistant cutting device for machining mechanical parts comprises a bottom plate, a cutting table, a conveying plate, a cutting tool holder and a cutting tool; middle part fixed mounting has the cutting blade holder of the U type structure of a set of inversion behind the top of bottom plate, and the right side of cutting blade holder is provided with the crisscross cutting knife of two sets of upper and lower symmetries, and the top fixed mounting of cutting blade front side bottom plate has a set of cutting bed, and the middle part of cutting bed is provided with the delivery board, through will waiting to cut spare part arrange the delivery board in on, then carry towards cutting knife department backward and carry out the cutting operation. The cutting tool holder is characterized in that a transverse cutter shaft groove with an upper opening is formed in the vertical section of the right side of the cutting tool holder, the transverse cutter shaft groove is formed in the upper portion of the cutting tool, the root of the cutting tool is connected into the cutter shaft groove through a set of cutter shaft in a rotating mode, the transverse cutter shaft groove is located on the lower side of the front side cutting tool in the cutter shaft groove and the upper side of the rear side cutting tool in the cutter shaft groove, two sets of waist-shaped sliding openings are formed in the upper portions of the front side cutting tool and the upper side of the rear side. Be located the right side the vertical section right side wall fixed mounting of cutting blade holder has a set of sleeve of suit on the telescopic link, and the telescopic link middle part fixed mounting that is located sleeve inside has a set of limiting plate, and limiting plate elastic sleeve right has a set of spring, utilizes the telescopic link to move right, and the control connecting block drives the axis of rotation and when the smooth mouthful of inside removal of waist type, and two sets of cutting knife on promotion right side are close to each other closed, and under the resilience force effect of spring, the connecting block resumes initial position left. The right side of telescopic link is provided with a set of two-way cam, and the downward fixedly connected with vertical dwang one in middle part of two-way cam, the bottom of dwang one rotate and be connected with a set of servo motor of fixing in the bottom plate inside, rotate through servo motor drive two-way cam, then through two-way cam contact telescopic link to intermittent type nature's promotion telescopic link moves right, then mutually supports the cyclicity of realizing the cutting knife with the spring and opens and shuts.

As a further scheme of the invention: the top of the conveying plate is higher than that of the cutting table, and the front side and the rear side of the conveying plate are rotatably connected inside the cutting table through a driving shaft.

As a further scheme of the invention: the upper surface of delivery board is provided with evenly distributed's arch for improve the stability that the spare part that waits to cut placed on the delivery board was placed.

As a further scheme of the invention: the outer side wall of the push plate is fixedly provided with a layer of sliding plate, so that the friction between the two can be reduced when the two-way cam is in contact with the telescopic rod.

As a further scheme of the invention: in order to improve that the mechanical part to be cut can be simultaneously with opening and closing of cutting knife, a set of quarter type incomplete gear is fixedly installed on the lower side of the rotating rod I, the tooth shape direction of the incomplete gear is parallel to the direction of the bidirectional cam on the upper side, a set of straight gear I meshed with the incomplete gear is arranged on the front side of the incomplete gear, the tooth direction of the incomplete gear is parallel to the direction of the bidirectional cam, the bidirectional cam can conveniently move rightwards when the telescopic rod is pushed, the incomplete gear cannot be meshed with the straight gear I to drive the straight gear I to rotate, and when the incomplete gear is separated from the telescopic rod, the straight gear I is driven to rotate through the incomplete gear at the moment.

As a still further scheme of the invention: straight-teeth gear's top fixed mounting has vertical dwang two, and the right side of dwang two has a set of dwang three of arranging in the vertical section the place ahead in cutting knife seat right side through a drive belt rotation connection, and the dwang tee bend is passed through a support loop bar and is fixed on the cutting knife seat, the upside fixed mounting of dwang three has a set of main skewed tooth, and the right side meshing of main skewed tooth has a set of rotatory oblique tooth of fixing on cutting bed left side wall, and the right side middle part of following skewed tooth is rotated forward through drive belt two and is connected with a set of horizontal dwang four of arranging the cutting bed downside in, and the right-hand member portion fixed mounting of dwang four has a set of straight-teeth three, and the upside meshing of straight-teeth three has a set of straight-teeth two of fixing on front side drive shaft left side, and drive dwang two through the rotation, From the meshing of skewed tooth down to and under the connection of drive belt two, dwang four, straight-tooth two thereby the drive delivery board rotates, consequently through setting up the opening and shutting of a set of servo motor alright realization cutting knife, and wait to cut spare part on the clearance drive delivery board of cutting and carry out equidistant removal, realize automatic equidistance cutting.

Compared with the prior art, the invention has the beneficial effects that: the bidirectional cam is driven to rotate by a servo motor, then the telescopic rod is controlled to move rightwards and then is matched with the spring, the vertical opening and closing cutting operation of the cutting knife is realized, meanwhile, the incomplete gear is driven to be intermittently meshed with the straight gear I by the rotation of the rotating rod I, and then the straight gear II is driven to move for a certain distance by the connection drive of the transmission belt I, the main helical gear, the auxiliary helical gear, the transmission belt II and the like at the unfolding interval of the cutting knife, so that the feeding and cutting functions of mechanical parts at equal intervals are realized; through setting up the removal feed of a set of servo motor simultaneous control drive cutting knife's operation and delivery board to the utilization ratio of the energy has fully been improved.

Drawings

Fig. 1 is a schematic perspective view of an automatic equidistant cutting device for machining mechanical parts.

Fig. 2 is a front view structure diagram of an automatic equidistant cutting device for machining mechanical parts.

Fig. 3 is a schematic top view of an automatic equidistant cutting device for machining mechanical parts.

Fig. 4 is a right-side view structural schematic diagram of an automatic equidistant cutting device for machining mechanical parts.

Wherein: the cutting machine comprises a base plate 10, a cutting table 11, a conveying plate 12, a cutting tool holder 14, a cutting tool 15, a sleeve 16, an expansion rod 17, a tool shaft groove 18, a tool shaft 19, a connecting block 20, a waist-shaped sliding opening 21, a rotating shaft 22, a spring 23, a limiting plate 24, a bidirectional cam 25, a rotating rod I26, an incomplete gear 27, a servo motor 28, a straight gear I29, a rotating rod II 30, a driving belt I31, a rotating rod III 32, a main helical tooth 33, a driven helical tooth 34, a driving belt II 35, a rotating rod IV 36, a straight gear II 37, a driving shaft 38 and a straight gear III 39.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example one

Referring to fig. 1-4, an automatic equidistant cutting device for machining mechanical parts includes a base plate 10, a cutting table 11, a conveying plate 12, a cutting tool seat 14, and a cutting tool 15; middle part fixed mounting has the cutting blade seat 14 of the U type structure of a set of inversion behind the top of bottom plate 10, and the right side of cutting blade seat 14 is provided with two sets of crisscross cutting knives 15 of symmetry from top to bottom, and the top fixed mounting of cutting blade 15 front side bottom plate 10 has a set of cutting bed 11, and the middle part of cutting bed 11 is provided with delivery board 12, the top of delivery board 12 is higher than the top of cutting bed 11 and the front and back side of delivery board 12 passes through drive shaft 38 and rotates the inside of connecting at cutting bed 11. The upper surface of conveying plate 12 is provided with evenly distributed's arch for improve the stability that the part of waiting to cut of placing on conveying plate 12 was placed. The cutting operation is performed by placing the parts to be cut on the conveyor plate 12 and then conveying them back towards the cutting knife 15. The horizontal arbor groove 18 of upper portion open-ended is seted up to the vertical section in right side of cutting blade holder 14, and is two sets of the root of cutting knife 15 is rotated through a set of arbor 19 and is connected in arbor groove 18, is located two sets of waist type sliding port 21 have been seted up respectively to the inside front side cutting knife 15 downside in arbor groove 18 and the upside of rear side cutting knife 15, and the inside sliding connection of waist type sliding port 21 has axis of rotation 22, and is two sets of the left side of axis of rotation 22 is connected with a set of connecting block 20 of arranging the outside rectangle structure in arbor groove 18 left side jointly, and the left side wall fixed mounting of connecting block 20 has a set of horizontal telescopic link 17, and the left end of telescopic link 17 extends the activity left side and passes the vertical section in left side of cutting blade holder 14 and. Be located the right side cutting tool holder 14's vertical section right side wall fixed mounting has a set of sleeve 16 of suit on telescopic link 17, be located the inside telescopic link 17 middle part fixed mounting of sleeve 16 and have a set of limiting plate 24, limiting plate 24 right side elastic sleeve is equipped with a set of spring 23, utilize telescopic link 17 to move right, control connecting block 20 drives axis of rotation 22 in the inside removal of waist type sliding port 21, two sets of cutting knife 15 on promotion right side are close to each other closed, under spring 23's resilience effect, connecting block 20 resumes initial position left. The right side of telescopic link 17 is provided with a set of two-way cam 25, the downward fixedly connected with vertical dwang 26 in middle part of two-way cam 25, the bottom of dwang 26 is rotated and is connected with a set of servo motor 28 of fixing in bottom plate 10 inside, through the rotation of servo motor 28 drive two-way cam 25, then through two-way cam 25 contact telescopic link 17 to intermittent type nature's promotion telescopic link 17 moves to the right, then mutually supports the cyclicity of realizing cutting knife 15 with spring 23 and opens and shuts. The outer side wall of the push plate is fixedly provided with a layer of sliding plate, so that the friction between the two-way cam 25 and the telescopic rod 17 can be reduced when the two-way cam is in contact with the telescopic rod.

Example two

In order to improve the mutual opening and closing of a mechanical part to be cut and the cutting knife 15, a group of quarter-type incomplete gears 27 are fixedly installed on the lower side of the rotating rod I26, the tooth form direction of the incomplete gears 27 is parallel to the cam direction of the bidirectional cam 25 on the upper side, a group of straight gears 29 meshed with the incomplete gears 27 are arranged on the front side of the incomplete gears 27, the tooth form direction of the incomplete gears 27 is parallel to the cam direction of the bidirectional cam 25, the incomplete gears 27 cannot be meshed with the straight gears 29 to drive the straight gears 29 to rotate when the bidirectional cam 25 pushes the telescopic rod 17 to move rightwards, and when the incomplete gears 27 are separated from the telescopic rod 17, the straight gears 29 are driven to rotate through the incomplete gears 27 again. The top fixed mounting of straight-teeth gear 29 has vertical dwang two 30, and the right side of dwang two 30 is rotated through drive belt 31 and is connected with a set of dwang three 32 of arranging in the vertical section the place ahead in the right side of cutter seat 14, and dwang three 32 is fixed on cutter seat 14 through supporting the loop bar, the upside fixed mounting of dwang three 32 has a set of main skewed tooth 33, and the right side meshing of main skewed tooth 33 has a set of rotatory oblique tooth 34 of fixing on the left side wall of cutting bed 11, and it is connected with a set of horizontal dwang four 36 of arranging in the cutting bed 11 downside to rotate through drive belt two 35 forward from the right side middle part of skewed tooth 34, and the right end fixed mounting of dwang four 36 has a set of straight-teeth three 39, and the upside meshing of straight-teeth three 39 has a set of straight-teeth two 37 of fixing on front side drive shaft 38 left side, and drive dwang two 30, the third driving rotating rod 32 rotates, then under the meshing of the main helical teeth 33 and the slave helical teeth 34, and the second driving belt 35, the fourth rotating rod 36 and the second straight teeth 37 are connected to drive the conveying plate 12 to rotate, so that the opening and closing of the cutting knife 15 can be realized by arranging the set of servo motors 28, and the parts to be cut on the cutting gap driving conveying plate 12 can move at equal intervals, and automatic equal-distance cutting is realized.

The working principle of the invention is as follows: when the cutting device is used, firstly, mechanical parts to be cut are placed on the conveying plate 12, then the parts are fixed in advance, then the parts to be cut are placed in the middle of the cutting knife 15 in advance, then the servo motor 28 is started to drive the bidirectional cam 25 to rotate, then the telescopic rod 17 is pushed by the bidirectional cam 25 to move rightwards, the connecting block 20 moves rightwards, then the two groups of cutting knives 15 are controlled to carry out closed cutting, then the bidirectional cam 25 drives the connecting block 20 to move backwards leftwards by utilizing the elastic action of the spring 23 when being separated from the telescopic rod 17, then the cutting knife 15 is opened and closed, meanwhile, the straight gear 29 is meshed with the straight gear 29 through the incomplete gear 27 to drive the straight gear 29 to move leftwards, then the rotating rod three 32 is driven to rotate under the connection of the driving belt one 31, and then the straight gear two 37 is driven to drive the driving shaft 38 to rotate leftwards under the connection of the main inclined, and then drive delivery board 12 and rotate, and then with the spare part lamp distance immigration on delivery board 12 to cutting knife 15 middle part to carry out cutting once more, so relapse alright realize the automatic equidistance cutting to mechanical parts.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An automatic equidistant cutting device for machining mechanical parts comprises a bottom plate (10), a cutting table (11), a conveying plate (12), a cutting tool holder (14) and a cutting tool (15); the cutting machine is characterized in that a transverse cutter shaft groove (18) with an upper opening is formed in the right vertical section of the cutting tool holder (14), the roots of the two groups of cutting tools (15) are rotatably connected in the cutter shaft groove (18) through a group of cutter shafts (19), two groups of waist-shaped sliding openings (21) are respectively formed in the lower side of the front side cutting tool (15) and the upper side of the rear side cutting tool (15) in the cutter shaft groove (18), and a rotating shaft (22) is slidably connected in the waist-shaped sliding openings (21), the left sides of the two groups of rotating shafts (22) are jointly connected with a group of connecting blocks (20) of rectangular structures arranged outside the left side of the cutter shaft groove (18), the left side wall of each connecting block (20) is fixedly provided with a group of transverse telescopic rods (17), the left end of each telescopic rod (17) extends leftwards to movably pass through the left vertical section of the cutting cutter holder (14) and is fixedly provided with a group of circular push plates, the right side wall of the vertical section of the cutting cutter holder (14) is fixedly provided with a group of sleeves (16) sleeved on the telescopic rods (17), the middle part of each telescopic rod (17) positioned inside each sleeve (16) is fixedly provided with a group of limiting plates (24), each limiting plate (24) is rightwards elastically sleeved with a group of springs (23), the right side of each telescopic rod (17) is provided with a group of bidirectional cams (25), and the, the bottom end of the first rotating rod (26) is rotatably connected with a group of servo motors (28) fixed in the bottom plate (10).

2. The automatic equidistant cutting device for machining mechanical parts of claim 1, wherein the top of the conveyor plate (12) is higher than the top of the cutting table (11) and the front and rear sides of the conveyor plate (12) are rotatably connected inside the cutting table (11) by a driving shaft (38).

3. The automatic equidistant cutting device for the machining of mechanical parts according to claim 2, characterized in that the upper surface of said conveyor plate (12) is provided with uniformly distributed protuberances.

4. The automatic equidistant cutting device for machining mechanical parts as claimed in claim 3, wherein a layer of sliding plate is fixedly installed on the outer side wall of the pushing plate.

5. The automatic equidistant cutting device for machining mechanical parts as claimed in any of claims 1-4, wherein a set of quarter type incomplete gear (27) is fixedly installed at the lower side of the rotating rod (26), the tooth form direction of the incomplete gear (27) is parallel to the cam direction of the bidirectional cam (25) at the upper side, and a set of spur gears (29) meshed with the incomplete gear (27) are arranged at the front side of the incomplete gear (27).

6. The automatic equidistant cutting device for machining the mechanical parts as claimed in claim 5, wherein a vertical rotating rod II (30) is fixedly installed at the top of the straight gear I (29), a group of rotating rod III (32) arranged in front of the vertical section at the right side of the cutting tool holder (14) is rotatably connected to the right side of the rotating rod II (30) through a transmission belt I (31), the rotating rod III (32) is fixed on the cutting tool holder (14) through a supporting sleeve rod, a group of main inclined teeth (33) are fixedly installed at the upper side of the rotating rod III (32), a group of auxiliary inclined teeth (34) rotatably fixed on the left side wall of the cutting table (11) are meshed to the right side of the main inclined teeth (33), a group of transverse rotating rod IV (36) arranged at the lower side of the cutting table (11) is rotatably connected to the middle part at the right side of the auxiliary inclined teeth (34) through a transmission belt II (35), and a group of straight gear III (39, the upper side of the straight tooth III (39) is engaged with a group of straight teeth II (37) fixed on the left side of the front driving shaft (38).