CN217702740U

CN217702740U - Automobile engine connecting rod burr grinding device

Info

Publication number: CN217702740U
Application number: CN202222083978.1U
Authority: CN
Inventors: 鲁家柱; 王敬东; 鲁必兰
Original assignee: Yidu Xinyu Machinery Co ltd
Current assignee: Yidu Xinyu Machinery Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-01
Anticipated expiration: 2032-08-09

Abstract

The utility model relates to a grinding device technical field specifically is an automobile engine connecting rod burr grinding device, the waste material chamber has been seted up to the inside of workstation, and the upper surface of workstation is located the top in waste material chamber and sets up flutedly, install the bearing rack between the bottom of recess and the waste material chamber, a side symmetry slidable mounting who lies in the recess on the workstation has a slide, two all install first cylinder in the slide, the holder is all installed to the flexible end of first cylinder. The mechanical arm assembly is arranged, so that the sander can be driven to move above the groove conveniently, the position of the sander can be adjusted, and the automation performance of the sander is improved; through setting up two holders, realize the fixed at connecting rod both ends, under the effect of second cylinder for inside the plug column inserted the connecting rod hole, under compression spring's elastic force effect, promote spacing clamp plate activity, thereby make spacing clamp plate extrusion connecting rod both ends, realize the fixed of connecting rod, ensure to fix more stably.

Description

Automobile engine connecting rod burr grinding device

Technical Field

The utility model relates to a grinding device technical field specifically is an automobile engine connecting rod burr grinding device.

Background

The engine connecting rod is used for connecting the piston and the crankshaft, acting force borne by the piston is transmitted to the crankshaft, reciprocating motion of the piston is converted into rotary motion of the crankshaft, a connecting rod group comprises a connecting rod body, a connecting rod big head cover, a connecting rod small head bushing, a connecting rod big head bearing bush, a connecting rod bolt (or a screw) and the like, the connecting rod group bears gas acting force transmitted by a piston pin and swinging of the gas acting force and reciprocating inertia force of the piston group, the magnitude and the direction of the forces are periodically changed, so that the connecting rod is subjected to alternating load effects of compression, tension and the like, the connecting rod has enough fatigue strength and structural rigidity, and a large amount of burrs exist on the surface of the connecting rod in the production process of the existing engine connecting rod, and therefore polishing equipment is required to polish the surface of the connecting rod.

In chinese patent application No. (cn201921966854. X), an automobile engine connecting rod burr grinding device is disclosed, which mainly comprises: operation platform, braced frame, first lead screw module, second lead screw module, hydraulic stem, rotating electrical machines, the dish of polishing, servo motor, electric putter, pneumatic clamping jaw and slip subassembly, braced frame fixed mounting is on operation platform, and is located the operation platform top, first lead screw module inlays dress in braced frame bottom \8230 \ 8230. When the structure is used, the connecting rod is fixedly clamped through the pneumatic clamping jaws, however, the connecting rod cannot be stably fixed only through the arrangement of one pneumatic clamping jaw, and the stability of the connecting rod after fixation is low due to the fact that the weight difference of two ends of the connecting rod is large. Accordingly, those skilled in the art have provided an apparatus for grinding connecting rod burrs of an automobile engine to solve the above-mentioned problems of the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile engine connecting rod burr grinding device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a burr polishing device for a connecting rod of an automobile engine comprises a workbench, wherein a waste cavity is formed in the workbench, a groove is formed in the upper surface of the workbench above the waste cavity, a bearing net rack is arranged between the bottom of the groove and the waste cavity, sliding seats are symmetrically and slidably arranged on one side of the workbench, which is positioned on the groove, first air cylinders are arranged in the two sliding seats, clamping pieces are arranged at the telescopic ends of the first air cylinders, a mechanical arm assembly is slidably arranged at the upper end of the workbench, and a polisher is arranged at the lower end of the mechanical arm assembly;

the clamping part comprises a clamping frame arranged at the telescopic end of a first air cylinder, a second air cylinder is arranged at the upper end of the clamping frame, the output end of the second air cylinder extends to the inner side of the clamping frame and is provided with an inserting column, a limiting pressure plate is slidably arranged on the outer wall of an output shaft of the second air cylinder, and a compression spring is arranged between the upper end of the limiting pressure plate and the clamping frame.

As a further aspect of the present invention: the mechanical arm assembly comprises a supporting arm which is slidably mounted on the workbench, a stroke sliding block is slidably mounted on one side of the supporting arm, a motor is mounted at one end of the supporting arm, a lead screw in threaded connection with the stroke sliding block is mounted at the output end of the motor, third cylinders are symmetrically mounted on the stroke sliding block, and the telescopic ends of the third cylinders are fixed to the upper end of the sander.

As a further aspect of the present invention: the upper end of the workbench is provided with a slide rail, a stroke nut fixedly connected with the mechanical arm component is installed in the slide rail, a motor is installed at one end of the slide rail, and a threaded rod in threaded connection with the stroke nut is installed at the output end of the motor.

As a further aspect of the present invention: the utility model discloses a bellows, including workstation, bellows, fan, bellows upper surface, bellows's one end is located the recess and installs bellows, installs the ripple exhaust pipe in the bellows.

As a further aspect of the present invention: the front surface of workstation is seted up with slide sliding connection's spout, and the outside of workstation is located the position department in waste material chamber and articulates there is the closing door.

As a further aspect of the present invention: the clamping frame is of an inverted U-shaped structure, and the bottom of the inner side of the clamping frame is provided with an anti-slip pad.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure and novel design, and is beneficial to driving the sander to move above the groove by arranging the mechanical arm component, adjusting the position of the sander and improving the automation performance of the sander; through the arrangement of the two clamping pieces, the two ends of the connecting rod are fixed, the inserting column is inserted into the hole of the connecting rod under the action of the second air cylinder, and the limiting pressing plate is pushed to move under the elastic action of the compression spring, so that the two ends of the connecting rod are extruded by the limiting pressing plate, the fixing of the connecting rod is realized, and the fixing is more stable; through setting up recess, bearing net frame, waste chamber, realize polishing the clastic collection of in-process, avoid the piece to influence the field of vision.

Drawings

FIG. 1 is a schematic structural diagram of an automobile engine connecting rod burr polishing device;

FIG. 2 is a schematic structural diagram of a mechanical arm assembly in the automobile engine connecting rod burr polishing device;

FIG. 3 is a schematic structural diagram of a clamping member in the automobile engine connecting rod burr grinding device.

In the figure: 1. a work table; 2. a groove; 3. a waste chamber; 4. a carrying net frame; 5. a chute; 6. a slide base; 7. a first cylinder; 8. a slide rail; 9. a mechanical arm assembly; 91. a support arm; 92. a motor; 93. a screw rod; 94. a stroke slider; 95. a third cylinder; 10. a bellows; 11. a corrugated exhaust pipe; 12. a sander; 13. a clamping frame; 14. a second cylinder; 15. inserting the column; 16. a limiting pressure plate; 17. compressing the spring.

Detailed Description

Please refer to fig. 1-3, in an embodiment of the present invention, an automobile engine connecting rod burr polishing apparatus includes a workbench 1, a waste cavity 3 is provided inside the workbench 1, and a groove 2 is provided above the waste cavity 3 on the upper surface of the workbench 1, a carrying net rack 4 is installed between the bottom of the groove 2 and the waste cavity 3, slides 6 are symmetrically and slidably installed on one side of the groove 2 on the workbench 1, first cylinders 7 are installed in both the two slides 6, clamping members are installed at the telescopic ends of the first cylinders 7, a mechanical arm assembly 9 is slidably installed at the upper end of the workbench 1, and a polisher 12 is installed at the lower end of the mechanical arm assembly 9;

the holder is including installing the holding frame 13 at the flexible end of first cylinder 7, second cylinder 14 is installed to the upper end of holding frame 13, the output of second cylinder 14 extends to the inboard of holding frame 13 and installs grafting post 15, and the output shaft outer wall slidable mounting of second cylinder 14 has limiting pressure plate 16, install compression spring 17 between limiting pressure plate 16's upper end and the holding frame 13, install the connecting rod both ends inside the holder respectively, start second cylinder 14, under second cylinder 14's effect, make grafting post 15 insert inside the connecting rod hole, under compression spring 17's spring action, promote limiting pressure plate 16 activity, thereby make limiting pressure plate 16 extrude the connecting rod, effect through limiting pressure plate 16 and holding frame 13 inner wall, realize the fixed of connecting rod, ensure to fix more stable.

In fig. 2, the mechanical arm assembly 9 includes a supporting arm 91 slidably mounted on the workbench 1, a stroke slider 94 is slidably mounted on one side of the supporting arm 91, a motor 92 is mounted at one end of the supporting arm 91, a lead screw 93 in threaded connection with the stroke slider 94 is mounted at an output end of the motor 92, third cylinders 95 are further symmetrically mounted on the stroke slider 94, telescopic ends of the two third cylinders 95 are fixed to the upper end of the sander 12, the motor 92 is started to rotate the lead screw 93, the stroke slider 94 slides on the supporting arm 91 through the threaded connection between the lead screw 93 and the stroke slider 94, the third cylinder 95 is started, and the height of the sander 12 is adjusted through the third cylinder 95, so that the sander 12 is driven to move above the groove 2, the position of the sander 12 is adjusted, and the automation performance of the sander is improved.

In fig. 1, a slide rail 8 is provided at the upper end of the workbench 1, a stroke nut fixedly connected with the mechanical arm assembly 9 is installed in the slide rail 8, a motor is installed at one end of the slide rail 8, a threaded rod connected with the stroke nut in a threaded manner is installed at the output end of the motor, the threaded rod is rotated by starting the motor, and the stroke nut slides inside the slide rail 8 through the threaded connection between the threaded rod and the stroke nut, so that the mechanical arm assembly 9 is driven to move horizontally.

In fig. 1, an air box 10 is installed at one end of the upper surface of a workbench 1, which is located at a groove 2, a fan is installed in the air box 10, a corrugated exhaust pipe 11 is installed at one side of the air box 10, and air is blown out of the fan inside the air box 10, so that the corrugated exhaust pipe 11 blows air to the groove 2, chips on the groove 2 enter a waste cavity 3 through a bearing net frame 4, the collection of the chips in the polishing process is realized, and the influence of the chips on the visual field is avoided.

In fig. 1, the front surface of the worktable 1 is provided with a sliding chute 5 slidably connected with the sliding bases 6, which facilitates the distance between the two sliding bases 6, so that the equipment is adapted to the fixing of the connecting rods with different specifications, and the outer side of the worktable 1 is hinged with a closing door at the position of the waste cavity 3, which is beneficial to the collection and treatment of the scraps.

In fig. 3, the u-shaped holder 13 has an inverted u-shaped structure, and the bottom of the inner side of the holder 13 is provided with a non-slip pad to improve the stability of the connecting rod after being fixed.

The utility model discloses a theory of operation is: the utility model discloses simple structure, the modern design, when using, through the sliding connection between slide 6 and the spout 5, adjust the distance between two slides 6, so that equipment can adapt to the fixing of the connecting rod of different length, install the connecting rod both ends respectively inside the holder, start second cylinder 14, under the effect of second cylinder 14, make the peg 15 insert inside the connecting rod hole, under the elastic force effect of compression spring 17, promote the activity of spacing clamp plate 16, so that spacing clamp plate 16 extrudees the connecting rod, through the effect of spacing clamp plate 16 and holding frame 13 inner wall, realize the fixing of connecting rod, ensure that the fixing is more stable; the motor is started to enable the threaded rod to rotate, the travel nut slides in the slide rail 8 through threaded connection between the threaded rod and the travel nut, so that the mechanical arm assembly 9 is driven to move horizontally, the lead screw 93 rotates through the motor 92, the travel slider 94 slides on the supporting arm 91 through threaded connection between the lead screw 93 and the travel slider 94, the third air cylinder 95 is started, the height of the sander 12 is adjusted through the third air cylinder 95, and therefore the sander 12 can be driven to move above the groove 2, the position of the sander 12 can be adjusted, and the automation performance of the sander is improved; in addition, through the blast air of the inside fan of bellows 10 for ripple exhaust pipe 11 is bloied to recess 2 on, thereby makes the piece on the recess 2 get into waste chamber 3 inside by bearing net rack 4, realizes the collection of the piece of in-process of polishing, avoids the piece to influence the field of vision.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The automobile engine connecting rod burr grinding device comprises a workbench (1) and is characterized in that a waste material cavity (3) is formed inside the workbench (1), the upper surface of the workbench (1) is located above the waste material cavity (3) and is provided with a groove (2), a bearing net rack (4) is installed between the bottom of the groove (2) and the waste material cavity (3), sliding seats (6) are symmetrically and slidably installed on one side, located in the groove (2), of the workbench (1), first cylinders (7) are installed in the two sliding seats (6), clamping pieces are installed at the telescopic ends of the first cylinders (7), a mechanical arm assembly (9) is slidably installed at the upper end of the workbench (1), and a grinder (12) is installed at the lower end of the mechanical arm assembly (9);

the clamping piece is including installing clamping frame (13) at the flexible end of first cylinder (7), second cylinder (14) are installed to the upper end of clamping frame (13), the output of second cylinder (14) extends to the inboard of clamping frame (13) and installs grafting post (15), and the output shaft outer wall slidable mounting of second cylinder (14) has limiting pressure plate (16), install compression spring (17) between the upper end of limiting pressure plate (16) and clamping frame (13).

2. The automobile engine connecting rod burr grinding device according to claim 1, characterized in that the mechanical arm assembly (9) comprises a supporting arm (91) which is slidably mounted on the workbench (1), a stroke slider (94) is slidably mounted on one side of the supporting arm (91), a motor (92) is mounted at one end of the supporting arm (91), a screw rod (93) which is in threaded connection with the stroke slider (94) is mounted at the output end of the motor (92), third air cylinders (95) are further symmetrically mounted on the stroke slider (94), and the telescopic ends of the two third air cylinders (95) are fixed to the upper end of the grinder (12).

3. The automobile engine connecting rod burr grinding device according to claim 1, characterized in that a slide rail (8) is arranged at the upper end of the workbench (1), a stroke nut fixedly connected with the mechanical arm assembly (9) is installed in the slide rail (8), a motor is installed at one end of the slide rail (8), and a threaded rod in threaded connection with the stroke nut is installed at the output end of the motor.

4. The automobile engine connecting rod burr grinding device according to claim 1, characterized in that an air box (10) is installed at one end of the upper surface of the workbench (1) positioned in the groove (2), a fan is installed in the air box (10), and a corrugated exhaust pipe (11) is installed at one side of the air box (10).

5. The automobile engine connecting rod burr grinding device according to claim 1, characterized in that a sliding groove (5) slidably connected with the sliding base (6) is formed in the front surface of the workbench (1), and a closing door is hinged to the outer side of the workbench (1) at the position of the waste cavity (3).

6. The device for grinding burrs of the automotive engine connecting rod according to claim 1, wherein the clamping frame (13) has an inverted U-shaped structure, and the bottom of the inner side of the clamping frame (13) is provided with a non-slip pad.