CN217702839U - Variable cross-section longitudinal beam polishing device - Google Patents

Abstract

The utility model provides a variable cross section longeron grinding device, including fixed grinding machanism and adjustable grinding machanism, the last first grinding wheel of ability pivoted of installing of fixed grinding machanism, install ability pivoted second grinding wheel and pinch roller on the adjustable grinding machanism, wherein the position of second grinding wheel and pinch roller can be adjusted as required according to the cross-sectional width of the longeron of polishing, in order to realize polishing to the inside lateral wall of different types of variable cross section longeron, traditional manual work has been replaced and has been polished, operating personnel's intensity of labour has not only been reduced, reduce labour's digestion, polishing quality and efficiency have still been promoted effectively.

Description

Variable cross-section longitudinal beam polishing device

Technical Field

The utility model belongs to the technical field of grinding device technique and specifically relates to a variable cross section longeron grinding device.

Background

The frame is the most important bearing part in the automobile, and the frame longitudinal beam is one of the key parts in the frame longitudinal beam, so the longitudinal beam plays an important bearing role on the automobile, the side beam type frame, the middle beam type frame and the like of the automobile all contain the longitudinal beam, the longitudinal beam is generally formed by stamping low alloy steel plates, the section shape is generally a groove shape, and the sections are also made into Z-shaped or box-shaped sections. For guaranteeing the normal use of longeron, need polish it in the course of working, current grinding device can effectively polish to the longeron of constant diameter cross-section, can't be suitable for to the variable cross section longeron that length differs, need polish by hand usually, not only can consume a large amount of labours, and the quality and the efficiency of whole polishing also can not be guaranteed.

Disclosure of Invention

An object of the utility model is to provide a variable cross section longeron grinding device can replace the manual work to effectively polish to the variable cross section longeron, has solved the problem among the prior art.

The utility model provides a technical scheme that its technical problem adopted is: a variable cross section longeron grinding device, including fixed grinding machanism and adjustable grinding machanism, wherein fixed grinding machanism includes that first founds the seat, install first rotating electrical machines in the first seat that founds, first founds a upside and is equipped with the backup pad, install first guard shield in the backup pad, the one end that the backup pad was worn out to the output shaft of first rotating electrical machines is installed first emery wheel, adjustable grinding machanism includes that the second founds the seat, install the second rotating electrical machines in the second founds the seat, the both sides that the second found a seat upper end all are equipped with the slide rail, baffle, first slide and the second slide that can remove are installed in the cooperation on the slide rail, first slide is located between baffle and the second slide, install the second guard shield on first slide, the one end that the output shaft of second rotating electrical machines wore out first slide is installed the second emery wheel, install the pinch roller on the second slide, set up on the second guard shield and dodge the groove with pinch roller matched with. The long-stroke air cylinder and the servo motor are installed on the second vertical seat, a piston rod of the long-stroke air cylinder is connected with the first sliding plate, a screw rod is installed on an output shaft of the servo motor, a nut matched with the screw rod is installed at the bottom of the baffle, a short-stroke air cylinder is installed at the bottom of the first sliding plate, and a piston rod of the short-stroke air cylinder is installed on the second sliding plate. The circumferential surfaces and the top end surfaces of the first polishing wheel and the second polishing wheel are provided with hairbrushes. The fixed grinding mechanism is provided with a lifting purging mechanism, the purging mechanism comprises a hanging box arranged at the bottom of a first shield, the first shield is provided with a through hole matched with the hanging box, a purging lifting block is arranged in the hanging box in a matched manner and can penetrate out of the first shield through the through hole, the top end of the purging lifting block is provided with a handle sleeve, a cross rod capable of vertically lifting is arranged in the handle sleeve in a matched manner, two ends of the cross rod are both connected with a vertical rod, a vertical groove matched with the vertical rod is arranged in the purging lifting block, the periphery of the vertical rod is provided with a convex edge, a spring is arranged in the vertical groove at the upper side of the convex edge, the spring always has the tendency of enabling the vertical rod to move downwards, two sides of the bottom of the purging lifting block are both provided with transverse grooves, inserting columns are arranged in the transverse grooves in a matched manner and correspond to the positions of each group of vertical rod and inserting column, install the gear in sweeping the elevator, the first rack with gear engaged with is installed to the bottom of montant, insert install on the post with gear engaged with second rack, all offer and insert the first jack of post matched with in the both sides position of hanging the dress box bottom, hang the both sides position on dress box upper portion and all offer with insert post matched with second jack, the spring has the trend of letting the post of inserting enter into the jack all the time, still installs ripple in sweeping the elevator and sweeps the pipe, installs on the first vertical seat and sweeps the fan, sweeps the outlet duct of fan and sweep the pipe with the ripple through the pipeline and be connected, and when the post is located first jack, sweep the elevator and be located hanging the dress box completely with the handle cover, when the post is located the second jack, sweep the ripple on the elevator and sweep the pipe and can shift up and stretch out first guard shield. Install the screw rod of vertical setting on the first guard shield, install on the screw rod and can the pivoted sleeve, install the gag lever post on the sleeve, the cooperation is installed first nut on the screw rod of sleeve upside, and the cooperation is installed the second nut on the screw rod of sleeve downside, and the gag lever post can remove to the upside position of sweeping the elevator, sweeps the elevator and moves up to when contacting with the gag lever post, and the inserted column is located the second jack. Install detection switch in the second jack, insert and install the detection piece on the post, wherein detection switch is connected with the on-off switch that sweeps the fan through control scheme, inserts in the post enters into the second jack, detects the piece and can be discerned by detection switch to let sweep the fan and start.

The utility model has the advantages of: a variable cross section longeron grinding device, including fixed grinding machanism and adjustable grinding machanism, install on the fixed grinding machanism and can the pivoted first wheel of polishing, install on the adjustable grinding machanism and can pivoted second wheel of polishing and pinch roller, wherein the position of second wheel of polishing and pinch roller can be adjusted as required according to the cross-sectional width of the longeron of polishing to the realization is to polishing of the inside lateral wall of different types of variable cross section longerons, traditional manual work has been replaced and is polished, operating personnel's intensity of labour has not only been reduced, reduce labour's digestion, still effectively promoted quality and efficiency of polishing.

Drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is an enlarged view of the cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is an enlarged view of the cross-sectional view taken along line B-B in FIG. 2;

FIG. 6 is an enlarged view of the cross-sectional view taken along line C-C of FIG. 2;

FIG. 7 is a schematic diagram of a fixed grinding mechanism with an elevating purge mechanism;

FIG. 8 is an enlarged view taken along line D-D of FIG. 7;

FIG. 9 is an enlarged partial view of I of FIG. 8;

figure 10 is a schematic view of the purge lifter block moving up to a position where the insert post is within the second receptacle.

Detailed Description

A variable cross section longeron grinding device, as shown in fig. 1-3, including fixed grinding machanism and adjustable grinding machanism, wherein fixed grinding machanism includes that first founding seat 1, as shown in fig. 4, installs first rotating electrical machines 2 in the first founding seat 1, first founding 1 upside of seat is equipped with backup pad 3, installs first guard shield 4 in the backup pad 3, the one end that backup pad 3 was worn out to the output shaft of first rotating electrical machines 2 is installed first emery wheel 5, the position relatively fixed of first emery wheel 5.

Adjustable grinding machanism includes that the second stands 6, as shown in fig. 5 and 6, installs second rotating electrical machines 7 in the second stands 6, and the both sides of the second stand 6 upper end all are equipped with slide rail 8, and baffle 9, first slide 10 and the second slide 11 that can remove are installed to the cooperation on the slide rail 8, and first slide 10 is located between baffle 9 and the second slide 11. A second protective cover 12 is installed on the first sliding plate 10, the second protective cover 12 can slide along with the first sliding plate 10, a second grinding wheel 13 is installed at one end, penetrating out of the first sliding plate 10, of an output shaft of the second rotating motor 7, a pressing wheel 14 is installed on the second sliding plate 11, and an avoiding groove 15 matched with the pressing wheel 14 is formed in the second protective cover 12. The baffle 9 can limit the moving limit position of the first sliding plate 10, the pressing wheel 14 can press a wing plate of the longitudinal beam to the second grinding wheel 13, and meanwhile, the positions of the pressing wheel 14 and the second grinding wheel 13 can be adjusted according to the inner width of the longitudinal beam.

In order to realize the movement control of the baffle 9, the first sliding plate 10 and the second sliding plate 11 on the sliding rail 8, the second vertical seat 6 is provided with a long-stroke cylinder 16 and a servo motor 17, a piston rod of the long-stroke cylinder 16 is connected with the first sliding plate 10, and the long-stroke cylinder 16 can be started to drive the first sliding plate 10 to move on the sliding rail 8, namely, the relative position of the second grinding wheel 13 on the first sliding plate 10 is adjusted. A screw rod 18 is installed on an output shaft of the servo motor 17, a nut 19 matched with the screw rod 18 is installed at the bottom of the baffle plate 9, and the servo motor 17 is started to drive the baffle plate 9 to move on the slide rail 8 and adjust the limit position of the movement of the second grinding wheel 13. A short-stroke cylinder 20 is arranged at the bottom of the first sliding plate 10, a piston rod of the short-stroke cylinder 20 is arranged on the second sliding plate 11, and the relative position between the pressing wheel 14 and the second grinding wheel 13 can be adjusted by starting the short-stroke cylinder 20.

The fixed grinding mechanism is arranged on the reference side of the roller way, the adjustable grinding mechanism is arranged on the other side, the diameters of the first grinding wheel 5 and the second grinding wheel 13 can meet the requirement that the first grinding wheel and the second grinding wheel can pass through the longitudinal beam with the smallest cross section, the sum of the diameters of the two grinding wheels is larger than the inner width of the longitudinal beam with the largest cross section, and therefore the distance between the two grinding wheels is adjusted according to the width of the longitudinal beam, and when the longitudinal beam passes through the first grinding wheel 5 and the second grinding wheel 13, the left airfoil surface and the right airfoil surface can be ground.

Before polishing, according to the width of the longitudinal beam, the adjustable polishing mechanism firstly adjusts the second polishing wheel 13 to a proper position, in the adjusting process, the servo motor 17 is started to enable the baffle plate 9 to move to the proper position, the piston rod of the long-stroke air cylinder 16 extends out, the first sliding plate 10 is pushed to the position of the baffle plate 9, the second polishing wheel 13 has a proper distance with the inner wing surface on one side of the longitudinal beam, in order to prevent the longitudinal beam from colliding with the pressing wheel 14 during feeding, the piston rod of the short-stroke air cylinder 20 extends out, and a sufficient distance is reserved between the pressing wheel 14 and the second polishing wheel 13. After the longitudinal beam is fed in, the positions of the second grinding wheels 13 and the pressure wheel 14 are adjusted, the pressure wheel 14 presses the wing surfaces of the longitudinal beam on the second grinding wheels 13, and the two second grinding wheels 13 rotate to grind the two wing surfaces inside the longitudinal beam.

When the variable-section longitudinal beam is polished, after the front section is polished, a piston rod of the short-stroke air cylinder 20 retracts to enable the pressing wheel 14 and the second polishing wheel 13 to keep a proper distance, namely the thickness of a wing plate of the longitudinal beam, then the baffle plate 9 moves away from the first sliding plate 10, the moving position of the baffle plate is determined according to the minimum inner width of the variable-section longitudinal beam, the piston rod of the long-stroke air cylinder 16 always extends in the process, the pressing wheel 14 is driven to press the outer wing surface of the longitudinal beam, the wing plate is clamped between the pressing wheel 14 and the second polishing wheel 13, and therefore the second polishing wheel 13 can accurately adjust the position of the second polishing wheel 13 according to the change of the cross section of the longitudinal beam.

Further, in order to polish the inner airfoil surface and the ventral surface of the longitudinal beam, the circumferential surfaces and the top end surfaces of the first polishing wheel 5 and the second polishing wheel 13 are respectively provided with a brush.

In the process of polishing the longitudinal beam, sundries such as scrap iron chips can be generated, in order to keep the cleanness degree of the table board of the fixed polishing mechanism, meanwhile, interference can not be generated on normal feeding of the longitudinal beam, as shown in fig. 7, the fixed polishing mechanism is provided with a lifting purging mechanism, the purging mechanism comprises a hanging box 21 arranged at the bottom of a first shield 4, a through hole matched with the hanging box 21 is formed in the first shield 4, as shown in fig. 8, a purging lifting block 22 is installed in the hanging box 21 in a matched mode, and the purging lifting block 22 can penetrate out of the first shield 4 through the through hole.

The handle cover 23 is installed on the top of sweeping lifting block 22, a cross rod 24 capable of vertically lifting is installed in the handle cover 23 in a matched mode, the two ends of the cross rod 24 are connected with vertical rods 25, and the cross rod 24 can drive the vertical rods 25 to move upwards. A vertical groove 26 matched with the vertical rod 25 is formed in the sweeping lifting block 22, a convex edge 27 is arranged on the periphery of the vertical rod 25, a spring 28 is installed in the vertical groove 26 on the upper side of the convex edge 27, and the spring 28 always tends to enable the vertical rod 25 to move downwards.

Both sides of the bottom of the purging lifting block 22 are provided with transverse grooves 29, inserting columns 30 are installed in the transverse grooves 29 in a matched mode, and gears 31 are installed in the purging lifting block 22 corresponding to the positions of each group of vertical rods 25 and the inserting columns 30. The bottom of the vertical rod 25 is provided with a first rack 32 meshed with the gear 31, the inserting column 30 is provided with a second rack 33 meshed with the gear 31, two side positions of the bottom of the hanging box 21 are respectively provided with a first inserting hole 34 matched with the inserting column 30, two side positions of the upper part of the hanging box 21 are respectively provided with a second inserting hole 35 matched with the inserting column 30, and the spring 28 always tends to enable the inserting column 30 to enter the inserting holes.

Still install ripple in sweeping elevator 22 and sweep the pipe 36, ripple sweeps the pipe 36 and can follow the vertical lift that sweeps elevator 22 and stretch out and draw back, installs on the first vertical seat 1 and sweeps fan 37, sweeps the outlet duct of fan 37 and is connected with ripple and sweeps pipe 36 through the pipeline. When the inserting column 30 is located in the first inserting hole 34, the purging lifting block 22 and the handle sleeve 23 are completely located in the hanging box 21, the normal feeding of the longitudinal beam cannot be affected by interference and the like, and when the inserting column 30 is located in the second inserting hole 35, the corrugated purging pipe 36 on the purging lifting block 22 can move upwards to extend out of the first shield 4, so that purging of impurities such as iron filings on the fixed grinding mechanism is achieved.

When the longitudinal beam is ground, the blowing mechanism is completely positioned in the hanging box 21, as shown in fig. 8, the vertical rod 25 is lowered to the lowest position under the elastic force of the spring 28, the inserting column 30 simultaneously extends into the first inserting hole 34, and the blowing mechanism does not interfere with the grinding movement of the longitudinal beam. When the polishing stops and the iron filings on the fixed polishing mechanism need to be cleaned, the operator holds the gloves 23, overcome the elasticity of the spring 28 and make the horizontal rod 24 and the vertical rod 25 move upwards, take the vertical rod 25 at the left side position as an example, the vertical rod 25 can drive the gear 31 to rotate anticlockwise in the direction shown in fig. 9 in the upward moving process, the anticlockwise-rotating gear 31 can drive the plug-in post 30 to gradually withdraw from the first jack 34, when the plug-in post 30 completely withdraws from the first jack 34, the integral purging lifting block 22 can move upwards vertically, when the plug-in post 30 moves upwards to the position of the second jack 35, the horizontal rod 24 is loosened, the vertical rod 25 moves downwards under the elasticity of the spring 28, the plug-in post 30 can enter the second jack 35 through the transmission of the gear 31 to realize the positioning of the purging lifting block 22, at this moment, the ripple purging pipe 36 on the lifting block 22 moves upwards to the upper side of the first shield 4, and the fixed polishing mechanism can be purged effectively.

Further, in order to enable the plug column 30 to move up to the position of the second insertion hole 35 when the purging mechanism moves up, the purging lifting block 22 can stop moving, and the plug column 30 can accurately enter the second insertion hole 35 to achieve the positioning function, the first shield 4 is provided with a vertically arranged screw 38, the screw 38 is provided with a rotatable sleeve 39, the sleeve 39 is provided with a limiting rod 40, the screw 38 on the upper side of the sleeve 39 is provided with a first nut 41 in a matching manner, the screw 38 on the lower side of the sleeve 39 is provided with a second nut 42 in a matching manner, the height position of the limiting rod 40 can be adjusted as required by rotating the first nut 41 and the second nut 42, the limiting rod 40 can move to the position on the upper side of the purging lifting block 22, when the purging lifting block 22 moves up to be in contact with the limiting rod 40, the plug column 30 moves to the position of the second insertion hole 35, the cross rod 24 is loosened, and the plug column insertion hole 30 can enter the second insertion hole 35 to achieve the positioning function.

Further, in order to start the purging fan 37 to remove impurities such as iron chips after the purging mechanism is pulled to move up to a specified position, the second jack 35 is internally provided with a detection switch 43, the inserting column 30 is provided with a detection block 44, the detection switch 43 is connected with an on-off switch of the purging fan 37 through a control circuit, when the inserting column 30 enters the second jack 35, the detection block 44 can be identified by the detection switch 43, so that the purging fan 37 is started, and when the purging mechanism falls back into the hanging box 21, the purging fan 37 is correspondingly closed.

The technical solution of the present invention is not limited to the embodiments of the present invention. The technical contents not described in detail in the present application are all known technologies.

Claims (6)

1. The utility model provides a variable cross section longeron grinding device which characterized in that: including fixed grinding machanism and adjustable grinding machanism, wherein fixed grinding machanism includes first upright seat (1), install first rotating electrical machines (2) in first upright seat (1), first upright seat (1) upside is equipped with backup pad (3), install first guard shield (4) on backup pad (3), first wheel (5) of polishing is installed to the one end that backup pad (3) were worn out to the output shaft of first rotating electrical machines (2), adjustable grinding machanism includes that the second stands seat (6), install second rotating electrical machines (7) in second upright seat (6), the both sides of second upright seat (6) upper end all are equipped with slide rail (8), baffle (9) that can remove are installed in the cooperation on slide rail (8), first slide (10) and second slide (11), first slide (10) are located between baffle (9) and second slide (11), install second guard shield (12) on first slide (10), the one end that the output shaft of second rotating electrical machines (7) worn out first slide (10) is installed second wheel (13), install on second slide (11) second wheel (14) and dodge matched with pinch roller groove (14), avoid cooperating on pinch roller (14).

2. The grinding device for the variable cross-section longitudinal beam as claimed in claim 1, wherein: the long-stroke air cylinder (16) and the servo motor (17) are installed on the second vertical seat (6), a piston rod of the long-stroke air cylinder (16) is connected with the first sliding plate (10), a screw rod (18) is installed on an output shaft of the servo motor (17), a screw nut (19) matched with the screw rod (18) is installed at the bottom of the baffle (9), a short-stroke air cylinder (20) is installed at the bottom of the first sliding plate (10), and a piston rod of the short-stroke air cylinder (20) is installed on the second sliding plate (11).

3. The grinding device for the variable cross-section longitudinal beam as claimed in claim 1, wherein: the circumferential surfaces and the top end surfaces of the first polishing wheel (5) and the second polishing wheel (13) are provided with hairbrushes.

4. The grinding device for the variable cross-section longitudinal beam as claimed in claim 1, wherein: install the mechanism that sweeps that can go up and down on the fixed grinding mechanism, sweep the mechanism including setting up hanging dress box (21) in first guard shield (4) bottom, set up on first guard shield (4) with hanging dress box (21) matched with through-hole, install in hanging dress box (21) and sweep elevator block (22) that sweeps, sweep elevator block (22) and can wear out first guard shield (4) via the through-hole, sweep the top of elevator block (22) and install handle cover (23), install horizontal pole (24) that can vertical lift in the cooperation of handle cover (23), the both ends of horizontal pole (24) all are connected with montant (25), sweep elevator block (22) in set up with montant (25) matched with vertical groove (26), montant (25) periphery is equipped with protruding edge (27), install spring (28) in the vertical groove (26) of protruding edge (27) upside, spring (28) have the trend that lets (25) move down all the time, sweep elevator block (22) both sides of bottom all be equipped with horizontal groove (29), install in horizontal groove (29) cooperation plunger (30), each plunger (31) and gear set (31) that rises in the bottom, the meshing rack (31) is installed in the montant (25), insert and install second rack (33) with gear (31) engaged with on post (30), hang the both sides position of dress box (21) bottom and all seted up and insert first jack (34) of post (30) matched with, hang the both sides position on dress box (21) upper portion and all seted up and insert post (30) matched with second jack (35), spring (28) have all the time and let insert post (30) enter into the trend in the jack, still install ripple in sweeping elevator block (22) and sweep pipe (36), install on the first seat (1) and sweep fan (37), the outlet duct that sweeps fan (37) is connected with ripple sweep pipe (36) through the pipeline, when insert post (30) is located first jack (34), sweep elevator block (22) and handle cover (23) are located hanging dress box (21) completely, when insert post (30) is located second jack (35), sweep pipe (36) on elevator block (22) and can move up and stretch out first guard shield (4).

5. The grinding device for the variable cross-section longitudinal beam as claimed in claim 4, wherein: install screw rod (38) of vertical setting on first guard shield (4), install on screw rod (38) can pivoted sleeve (39), install gag lever post (40) on sleeve (39), first nut (41) are installed in the cooperation on screw rod (38) of sleeve (39) upside, second nut (42) are installed in the cooperation on screw rod (38) of sleeve (39) downside, gag lever post (40) can move to the upside position that sweeps elevator block (22), sweep elevator block (22) and move up to when contacting with gag lever post (40), insert post (30) and be located second jack (35).

6. The grinding device for the variable cross-section longitudinal beam as claimed in claim 4, wherein: install detection switch (43) in second jack (35), insert and install on post (30) and detect piece (44), wherein detection switch (43) are connected with the on-off switch of sweeping fan (37) through control line, insert in post (30) enters into second jack (35), detect piece (44) can be discerned by detection switch (43) to let sweeping fan (37) start.

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