A processing equipment suitable for automobile valves

Abstract

The present invention relates to a processing equipment suitable for automobile valves, comprising a horizontal and transverse conveying channel, the conveying channel comprising a C-shaped material trough with an opening facing upward, a plurality of transversely distributed conveying rollers inserted at the bottom of the C-shaped material trough, a longitudinal driving shaft inserted and fixed in the conveying roller, the two ends of the driving shaft are respectively hinged on the front and rear side walls of the C-shaped material trough, the front end of the driving shaft extends out of the C-shaped material trough and is fixedly connected to a driving pulley; the conveying channel is loaded with a valve, the valve comprises a base and a valve stem, and the valve stem extends out of the opening of the C-shaped material trough; the middle part of the conveying channel is provided with a positioning and holding mechanism opposite to the valve, and a vertical grinding and polishing mechanism is provided just above the positioning and holding mechanism, the grinding and polishing mechanism is connected with a lifting mechanism, and the lifting mechanism drives the grinding and polishing mechanism to move up and down above the conveying channel. The equipment can automatically grind, polish and deburr the valve stem on the valve, can save labor, and can effectively improve production efficiency.

Description

Technical field:

[0001] The invention relates to the technical field of automatic valve processing, and more specifically to a processing device suitable for automobile valves. Background technology:

[0002] At present, the valve assembly on the engine of an automobile includes a valve, a lower valve spring seat, an outer valve spring, an inner valve spring, a valve oil seal, an upper valve spring seat and a valve lock clip, wherein the structure of the valve includes a circular base, the upper end of the base is spherical, and the middle part of the spherical surface is formed with a valve stem which is relatively perpendicular to the base, and the lower valve spring seat, the outer valve spring, the inner valve spring, the valve oil seal, the upper valve spring seat and the valve lock clip are all sleeved and connected to the valve stem, so the outer wall of the valve stem needs to have a certain degree of smoothness and no burrs, and the valve processed by a lathe will inevitably have burrs and other problems, so the valve stem is currently ground and polished to remove burrs, and the grinding and polishing of the valve stem is mainly done manually, which is time-consuming and labor-intensive, so it is necessary to develop a device that can automatically grind and polish the valve stem. Summary of the invention:

[0003] The purpose of the present invention is to address the deficiencies of the prior art and to provide a processing device suitable for automobile valves, which can automatically grind, polish and deburr the valve stem on the valve, save labor and effectively improve production efficiency.

[0004] A processing device suitable for automobile valves, comprising a horizontal and transverse conveying channel, the conveying channel comprising a C-shaped material trough with an opening facing upward, a plurality of transversely distributed conveying rollers inserted at the bottom of the C-shaped material trough, a longitudinal driving shaft inserted and fixed in the conveying roller, two ends of the driving shaft are respectively hinged on the front and rear side walls of the C-shaped material trough, the front end of the driving shaft extends out of the C-shaped material trough and is fixedly connected to a driving pulley; the conveying channel is loaded with a plurality of transversely distributed valves, the valves comprising a base and a valve stem, the base abuts against the conveying roller, and the valve stem extends out of the opening of the C-shaped material trough; it is characterized in that: a positioning and holding mechanism opposite to the valve is provided in the middle of the conveying channel, a vertical grinding and polishing mechanism is provided just above the positioning and holding mechanism, a lifting mechanism is connected to the grinding and polishing mechanism, and the lifting mechanism drives the grinding and polishing mechanism to move up and down above the conveying channel;

[0005] The positioning and holding mechanism comprises four vertical positioning pins, which are inserted between the conveying rollers and respectively abut against the outer wall of the base; two sets of transverse holding components are inserted in the C-shaped material grooves at the front and rear sides of the C-shaped material groove opening, and the holding components comprise a rectangular sealing groove box, the bottom surface of which is formed with a transverse notch, a T-shaped holding block is inserted in the notch of the sealing groove box, a rectangular annular density ring is inserted and fixed on the outer wall of the upper end of the holding block, and the density ring is pressed against the sealing groove box. On the inner wall of the groove box, the lower end of the holding block extends out of the sealing groove box and is fixedly connected to a rubber pressing block, which is pressed against the upper surface of the base; the two side walls of the upper part of the sealing groove box are fixedly connected to a connecting pipe connected to the inner cavity of the sealing groove box, and the end of the connecting pipe is fixedly connected to a vertical valve seat, and a valve hole is formed on the bottom surface of the valve seat, and the upper end of the valve hole is connected to the connecting pipe; a stud is formed on the upper end surface of the valve seat, and the stud passes through the C-shaped material groove and is screwed with a nut, which is pressed against the upper end surface of the C-shaped material groove;

[0006] The upper end of the positioning pin is formed with a conical transition column, and the upper end of the transition column is formed with a cylindrical valve core, which is inserted into the valve hole of the valve seat; the upper end of the valve core is fixedly connected with a plurality of sealing rings, and the sealing rings are pressed against the inner wall of the valve hole; the lower end of the positioning pin passes through the C-shaped material groove and is fixedly connected with a linkage plate, and the middle part of the linkage plate is fixedly connected with a vertical lifting cylinder, and the piston rod of the lifting cylinder is fixedly connected to the C-shaped material groove;

[0007] The grinding and polishing mechanism includes a vertical brush sleeve, which is inserted into the valve stem of the valve, and a plurality of downwardly inclined and annularly distributed ceramic fiber brushes are fixedly connected to the inner wall of the brush sleeve, and the ceramic fiber brushes are against the outer wall of the valve stem; the upper end of the brush sleeve is connected to a vertical dust suction pipe through a bearing, and the lower part of the dust suction pipe is respectively inserted into and fixedly connected to a longitudinal upper support beam and a lower support beam, and a vertical rotating motor is fixedly connected between the upper support beam and the lower support beam, and the rotating shaft of the rotating motor extends out of the lower support beam and is fixedly connected to a driving gear, and a driven gear is meshed on the driving gear, and the driven gear is fixed to the sleeve.

[0008] Preferably, an arc-shaped avoidance opening opposite to the brush sleeve is formed on the side wall of the C-shaped material trough opening between the pressing and holding components.

[0009] Preferably, the central axis of the brush cover coincides with the central axis of the dust suction tube, and the central axis of the brush cover coincides with the central axis of the valve stem in the brush cover.

[0010] Preferably, the inner diameter of the brush sleeve is larger than the diameter of the valve stem, the inner diameter of the dust suction tube is larger than the inner diameter of the brush sleeve, and the length of the dust suction tube is larger than the length of the valve stem; a connecting pipe is formed on the upper end of the dust suction tube.

[0011] Preferably, the lifting mechanism comprises two groups of lower beams which are longitudinally fixed to the lower end surface of the C-shaped trough, the rear end of the lower beam extends out of the C-shaped trough and is fixed to a vertical and "I"-shaped rear beam, the upper end of the rear beam is fixed to a horizontal rectangular upper beam, the two ends of the front side of the upper beam are fixed to columns, the lower end of the column is fixed to a connecting plate, the connecting plate is fixed to the two groups of C-shaped troughs on the rear side of the C-shaped trough, and the middle part of the connecting plate is fixed to a bearing seat;

[0012] A vertical ball screw is inserted on the lower support beam, the lower end of the ball screw is hinged in the bearing seat, a ball nut is screwed and fixed on the ball screw, the ball nut is inserted and fixed on the upper support beam, the upper end of the ball screw is connected to the rotating shaft of the lifting motor through a coupling, and the lifting motor is fixed on the upper beam plate;

[0013] A vertical guide rail is fixedly connected to the rear beam plate, and two groups of sliding blocks are inserted and sleeved on the guide rail. The sliding blocks are respectively fixedly connected to the rear ends of the upper supporting beam and the lower supporting beam.

[0014] Preferably, a vertical reinforcement plate is fixedly connected between the rear ends of the upper support beam and the lower support beam, and the sliding block is fixedly connected to the reinforcement plate.

[0015] Preferably, the conveying rollers are evenly distributed linearly in the C-shaped trough, and the spacing between adjacent conveying rollers is no greater than the radius of the base.

[0016] The beneficial effects of the present invention are:

[0017] This equipment can automatically grind, polish and remove burrs on the valve stem, which can save labor and effectively improve production efficiency. Description of the drawings:

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the present invention;

[0020] Figure 3 It is a schematic structural diagram of the side view of the present invention;

[0021] Figure 4 Based Figure 3 Schematic cross-sectional view at AA in the middle;

[0022] Figure 5 Based Figure 4 Schematic cross-sectional view at the middle BB.

[0023] In the figure: 1. Conveying channel; 2. Positioning and holding mechanism; 3. Grinding and polishing mechanism; 4. Rotating arm assembly; 5. Valve. Specific implementation method:

[0024] Example: See Figures 1 to 5 As shown, a processing device suitable for automobile valves includes a horizontal and transverse conveying channel 1, the conveying channel 1 includes a C-shaped material trough 11 with an opening facing upward, a plurality of transversely distributed conveying rollers 12 are inserted at the bottom of the C-shaped material trough 11, a longitudinal driving shaft 13 is inserted and fixed in the conveying roller 12, the two ends of the driving shaft 13 are respectively hinged on the front and rear side walls of the C-shaped material trough 11, the front end of the driving shaft 13 extends out of the C-shaped material trough 11 and is fixedly connected with a driving pulley 14; the driving pulley 14 is a synchronous pulley, which can be connected to a conveying motor by a synchronous belt, and the conveying motor drives the conveying roller 12 to rotate and convey the valve 5 described below;

[0025] The conveying channel 1 is loaded with a plurality of transversely distributed valves 5, the valves 5 comprising a base 51 and a valve stem 52, the base 51 rests on the conveying roller 12, and the valve stem 52 extends out of the opening of the C-shaped trough 11; a positioning and holding mechanism 2 is provided in the middle of the conveying channel 1 and is opposite to the valve 5, a vertical grinding and polishing mechanism 3 is provided just above the positioning and holding mechanism 2, and a lifting mechanism 4 is connected to the grinding and polishing mechanism 3, and the lifting mechanism 4 drives the grinding and polishing mechanism 3 to move up and down above the conveying channel 1;

[0026] The positioning and holding mechanism 2 includes four vertical positioning pins 21, which are inserted between the conveying rollers 12 and respectively abut against the outer wall of the base 51; two groups of transverse holding components 22 are inserted in the C-shaped material trough 11 at the front and rear sides of the opening of the C-shaped material trough 11, and the holding component 22 includes a rectangular sealing groove box 221, and the bottom surface of the sealing groove box 221 is formed with a transverse notch, and a T-shaped holding block 222 is inserted in the notch of the sealing groove box 221, and the upper end surface of the holding block 222 is formed with a protrusion 2221, and the protrusion 2221 can prevent the upper end surface of the holding block 222 from being attached to the upper bottom surface of the sealing groove box 221, and a rectangular annular density ring is inserted and fixed on the outer wall of the upper end of the holding block 222 , the density ring is pressed against the inner wall of the sealing groove box 221, and the lower end of the holding block 222 extends out of the sealing groove box 221 and is fixedly connected to a rubber pressing block 223, and the rubber pressing block 223 is pressed against the upper surface of the base 51; the two side walls of the upper part of the sealing groove box 221 are fixedly connected with a connecting pipe 224 connected to the inner cavity of the sealing groove box 221, and the end of the connecting pipe 224 is fixedly connected with a vertical valve seat 225, and the bottom surface of the valve seat 225 is formed with a valve hole 2251, and the upper end of the valve hole 2251 is connected to the connecting pipe 224; a stud 2252 is formed on the upper end surface of the valve seat 225, and the stud 2252 passes through the C-shaped material groove 11 and is screwed with a nut 226, and the nut 226 is pressed against the upper end surface of the C-shaped material groove 11;

[0027] The upper end of the positioning pin 21 is formed with a conical transition column 211, and the upper end of the transition column 211 is formed with a cylindrical valve core 212, and the valve core 212 is inserted into the valve hole 2251 of the valve seat 225; the upper end of the valve core 212 is fixedly connected with a plurality of sealing rings, and the sealing rings are pressed against the inner wall of the valve hole 2251; the lower end of the positioning pin 21 passes through the C-shaped material groove 11 and is fixedly connected with a linkage plate 23, and the middle part of the linkage plate 23 is fixedly connected with a vertical lifting cylinder 24, and the piston rod of the lifting cylinder 24 is fixedly connected to the C-shaped material groove 11;

[0028] The grinding and polishing mechanism 3 includes a vertical brush sleeve 31, which is inserted into the valve stem 52 of the valve 5. A plurality of downwardly inclined and annularly distributed ceramic fiber brushes 32 are fixedly connected to the inner wall of the brush sleeve 31, and the ceramic fiber brushes 32 rest against the outer wall of the valve stem 52; the upper end of the brush sleeve 31 is connected to a vertical dust suction pipe 33 through a bearing, and the lower part of the dust suction pipe 33 is respectively inserted into and fixed with a longitudinal upper support beam 38 and a lower support beam 37, and a vertical rotating motor 36 is fixed between the upper support beam 38 and the lower support beam 37. The rotating shaft of the rotating motor 36 extends out of the lower support beam 37 and is inserted into and fixed with a driving gear 35, and a driven gear 34 is meshed with the driving gear 35, and the driven gear 34 is inserted and fixed in the middle of the brush sleeve 31.

[0029] An arc-shaped avoidance opening 111 opposite to the brush sleeve 31 is formed on the opening side wall of the C-shaped material groove 11 between the pressing components 22, and the brush sleeve 31 can enter the C-shaped material groove 11. The avoidance opening 111 can prevent the C-shaped material groove 11 from interfering with the brush sleeve 31.

[0030] The central axis of the brush cover 31 coincides with the central axis of the dust suction tube 33 , and the central axis of the brush cover 31 coincides with the central axis of the valve stem 52 in the brush cover 31 .

[0031] The inner diameter of the brush sleeve 31 is larger than the diameter of the valve stem 52, the inner diameter of the dust suction tube 33 is larger than the inner diameter of the brush sleeve 31, and the length of the dust suction tube 33 is larger than the length of the valve stem 52; the upper end of the dust suction tube 33 is formed with a connecting pipe 331, and a bellows is installed and connected to the connecting pipe 331, which is connected to the vacuum cleaner through the bellows.

[0032] The lifting mechanism 4 includes two groups of lower beams 41 which are longitudinally fixed to the lower end surface of the C-shaped trough 11. The rear end of the lower beam 41 extends out of the C-shaped trough 11 and is fixed to a vertical and "I"-shaped rear beam 42. The upper end of the rear beam 42 is fixed to a horizontal rectangular upper beam 43. The two ends of the front side of the upper beam 43 are fixed to columns 44. The lower end of the column 44 is fixed to a connecting plate 45. The connecting plate 45 is fixed to the two groups of C-shaped troughs 11 on the rear side of the C-shaped trough 11. The middle part of the connecting plate 45 is fixed to a bearing seat 48.

[0033] A vertical ball screw 47 is inserted into the lower support beam 37, the lower end of the ball screw 47 is hinged in a bearing seat 48, a ball nut 49 is screwed and fixed on the ball screw 47, the ball nut 49 is inserted and fixed on the upper support beam 38, the upper end of the ball screw 47 is connected to the shaft of the lifting motor 46 through a coupling, and the lifting motor 46 is fixed to the upper beam plate 43;

[0034] A vertical guide rail 410 is fixedly connected to the rear beam plate 42 , and two sets of sliding blocks 411 are inserted and sleeved on the guide rail 410 . The sliding blocks 411 are fixedly connected to the rear ends of the upper supporting beam 38 and the lower supporting beam 37 , respectively.

[0035] A vertical reinforcement plate 39 is fixedly connected between the rear ends of the upper support beam 38 and the lower support beam 37 , and the slider 411 is fixedly connected to the reinforcement plate 39 to improve the connection strength with the slider 411 .

[0036] The conveying rollers 12 are evenly distributed linearly in the C-shaped trough 11 , and the distance between adjacent conveying rollers 12 is no greater than the radius of the base 51 , so that during the movement of the valve 5 , two conveying rollers 12 support the base 51 .

[0037] Working principle: This structure is a processing equipment suitable for automobile valves. The processing equipment uses the conveying channel 1 to realize the conveying of the valve 5. When the valve 5 moves to the middle of the conveying channel 1, the piston rod of the lifting cylinder 24 on the positioning and holding mechanism 2 contracts, driving the positioning pin 21 to rise, and then the positioning pin 21 will abut against the outer wall of the base 51 to limit the horizontal movement of the valve 5. At the same time, the valve core 212 at the top of the positioning pin 21 enters the valve seat 225, and air is taken into the sealing groove box 221, driving the holding block 222 to move downward, so that the rubber pressing block 223 is pressed on the upper surface of the valve seat 225 to limit the vertical displacement and rotation of the valve 5, thereby realizing the fixed positioning of the valve 5;

[0038] Then the rotating motor 36 on the grinding and polishing mechanism 3 drives the brush cover 31 to rotate, and based on the drive of the lifting mechanism 4, the brush cover 31 rotates and moves on the valve stem 51 to achieve polishing and deburring; in the above manner, the valve stem 51 of each valve 5 can be polished and ground.

[0039] The embodiments are used to illustrate the present invention, but not to limit the present invention. Any person skilled in the art may modify the embodiments without violating the spirit and scope of the present invention, and therefore, the scope of protection of the present invention shall be as set forth in the claims of the present invention.

Claims

1. A processing device suitable for automobile valves, comprising a horizontal and transverse conveying channel (1), the conveying channel (1) comprising a C-shaped material trough (11) with an opening facing upward, a plurality of transversely distributed conveying rollers (12) inserted at the bottom of the C-shaped material trough (11), a longitudinal driving shaft (13) inserted and fixed in the conveying roller (12), the two ends of the driving shaft (13) are respectively hinged on the front and rear side walls of the C-shaped material trough (11), the front end of the driving shaft (13) extends out of the C-shaped material trough (11) and is fixedly connected with a driving pulley (14); the conveying channel (1) is loaded with a plurality of transversely distributed valves (5), the valves (5) comprising a base (51) and a valve stem (52), the base (51) abuts against the conveying roller (12), and the valve stem (52) extends out of the opening of the C-shaped material trough (11); characterized in that: A positioning and holding mechanism (2) is provided in the middle of the conveying channel (1) and is opposite to the air valve (5); a vertical grinding and polishing mechanism (3) is provided directly above the positioning and holding mechanism (2); a lifting mechanism (4) is connected to the grinding and polishing mechanism (3); and the lifting mechanism (4) drives the grinding and polishing mechanism (3) to move upward and downward above the conveying channel (1); The positioning and holding mechanism (2) comprises four vertical positioning pins (21), which are inserted between the conveying rollers (12) and respectively abut against the outer wall of the base (51); two groups of transverse holding components (22) are inserted in the C-shaped material trough (11) at the front and rear sides of the opening of the C-shaped material trough (11), and the holding components (22) comprise a rectangular sealing trough box (221), the bottom surface of the sealing trough box (221) is formed with a transverse notch, and a T-shaped holding block (222) is inserted in the notch of the sealing trough box (221), and a rectangular annular density ring is inserted and fixed on the outer wall of the upper end of the holding block (222), and the density ring is pressed against the inner wall of the sealing trough box (221), and the lower end of the holding block (222) protrudes The sealing groove box (221) is fixedly connected with a rubber pressing block (223), and the rubber pressing block (223) is pressed against the upper surface of the base (51); the two side walls of the upper part of the sealing groove box (221) are fixedly connected with a connecting pipe (224) which is connected with the inner cavity of the sealing groove box (221); the end of the connecting pipe (224) is fixedly connected with a vertical valve seat (225); the bottom surface of the valve seat (225) is formed with a valve hole (2251), and the upper end of the valve hole (2251) is connected with the connecting pipe (224); the upper end surface of the valve seat (225) is formed with a stud (2252), and the stud (2252) passes through the C-shaped material groove (11) and is screwed with a nut (226), and the nut (226) is pressed against the upper end surface of the C-shaped material groove (11); The upper end of the positioning pin (21) is formed with a conical transition column (211), and the upper end of the transition column (211) is formed with a cylindrical valve core (212), and the valve core (212) is inserted into the valve hole (2251) of the valve seat (225); the upper end of the valve core (212) is fixedly connected with a plurality of sealing rings, and the sealing rings are pressed against the inner wall of the valve hole (2251); the lower end of the positioning pin (21) passes through the C-shaped material groove (11) and is fixedly connected with a linkage plate (23), and the middle part of the linkage plate (23) is fixedly connected with a vertical lifting cylinder (24), and the piston rod of the lifting cylinder (24) is fixedly connected to the C-shaped material groove (11); The grinding and polishing mechanism (3) comprises a vertical brush sleeve (31), the brush sleeve (31) is inserted into the valve stem (52) of the valve (5), a plurality of downwardly inclined and annularly distributed ceramic fiber brushes (32) are fixedly connected to the inner wall of the brush sleeve (31), and the ceramic fiber brushes (32) are pressed against the outer wall of the valve stem (52); the upper end of the brush sleeve (31) is connected to a vertical dust suction pipe (33) through a bearing, and dust suction pipe (33) is provided to the upper end of the brush sleeve (31). The lower part of the tube (33) is respectively sleeve-connected with a longitudinal upper support beam (38) and a lower support beam (37); a vertical rotating motor (36) is fixedly connected between the upper support beam (38) and the lower support beam (37); a rotating shaft of the rotating motor (36) extends out of the lower support beam (37) and is sleeve-connected with a driving gear (35); a driven gear (34) is meshed with the driving gear (35); and the driven gear (34) is sleeve-connected and fixed to the middle part of the brush sleeve (31).

2. The processing equipment for automobile valves according to claim 1, characterized in that: An arc-shaped avoidance opening (111) is formed on the opening side wall of the C-shaped material trough (11) between the pressing and holding components (22) and is opposite to the brush sleeve (31).

3. The processing equipment for automobile valves according to claim 2 is characterized in that: The central axis of the brush sleeve (31) coincides with the central axis of the dust suction pipe (33), and the central axis of the brush sleeve (31) coincides with the central axis of the valve stem (52) in the brush sleeve (31).

4. The processing equipment for automobile valves according to claim 3 is characterized in that: The inner diameter of the brush sleeve (31) is larger than the diameter of the valve stem (52); the inner diameter of the dust suction pipe (33) is larger than the inner diameter of the brush sleeve (31); the length of the dust suction pipe (33) is larger than the length of the valve stem (52); and a connecting pipe (331) is formed at the upper end of the dust suction pipe (33).

5. The processing equipment suitable for automobile valves according to claim 1 is characterized in that: The lifting mechanism (4) comprises two groups of lower beam plates (41) which are longitudinally fixed to the lower end surface of the C-shaped trough (11); the rear end of the lower beam plate (41) extends out of the C-shaped trough (11) and is fixedly connected to a vertical rear beam plate (42) in the shape of an I-shaped character; the upper end of the rear beam plate (42) is fixedly connected to a horizontal rectangular upper beam plate (43); the two ends of the front side of the upper beam plate (43) are fixedly connected to columns (44); the lower end of the column (44) is fixedly connected to a connecting plate (45); the connecting plate (45) is fixedly connected to the two groups of C-shaped troughs (11) at the rear side of the C-shaped trough (11); and the middle part of the connecting plate (45) is fixedly connected to a bearing seat (48); A vertical ball screw (47) is inserted on the lower support beam (37), the lower end of the ball screw (47) is hinged in a bearing seat (48), a ball nut (49) is screwed and fixed on the ball screw (47), the ball nut (49) is inserted and fixed on the upper support beam (38), the upper end of the ball screw (47) is connected to the rotating shaft of the lifting motor (46) through a coupling, and the lifting motor (46) is fixed on the upper beam plate (43); A vertical guide rail (410) is fixedly connected to the rear beam plate (42), and two groups of sliding blocks (411) are inserted and sleeved on the guide rail (410). The sliding blocks (411) are respectively fixedly connected to the rear ends of the upper supporting beam (38) and the lower supporting beam (37).

6. The processing equipment for automobile valves according to claim 5, characterized in that: A vertical reinforcing plate (39) is fixedly connected between the rear ends of the upper supporting beam (38) and the lower supporting beam (37), and the sliding block (411) is fixedly connected to the reinforcing plate (39).

7. The processing equipment for automobile valves according to claim 1, characterized in that: The conveying rollers (12) are evenly distributed in a linear transverse manner in the C-shaped material trough (11), and the distance between adjacent conveying rollers (12) is no greater than the radius of the base (51).

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