CN204736049U - Wire drawing device and do not have application rail vehicle - Google Patents

Abstract

The utility model relates to a wire drawing device and a non-painted rail vehicle. tightening mechanism; the abrasive belt is respectively connected to the driving roller, the support roller and the tension roller by belt transmission; the tension mechanism includes a support frame and a deviation adjustment mechanism for adjusting the tension roller. On the support frame, the top and bottom ends of the support frame are respectively slidingly connected with the upper and lower tension guide rails fixed on the column; a tension cylinder is arranged between the support frame and the column. The equipment of the utility model adopts an open layout and a wide format, which is easy to realize the one-time drawing and forming of car body parts without joint marks. By arranging a flexible follow-up device, the influence of unevenness on the surface of the car body parts on the drawing quality is overcome. The structural design of the tensioning mechanism not only realizes the tensioning of the abrasive belt, but also corrects the deviation of the abrasive belt.

Description

A wire drawing device and a non-painted rail vehicle

technical field

The utility model relates to a surface treatment device, in particular to a wire drawing device and a non-painted rail vehicle.

Background technique

In order to improve the decorative appearance of the rail vehicle body, it is usually used to paint the car body, that is, the surface treatment method of paint coating. The general painting process is: pre-treatment-primer-putty-surfacer-finish , the whole process is cumbersome and time-consuming.

The non-painted car body does not use putty and paint, and reduces the consumption of welding wire and gas. It can not only reduce production costs, but also reduce the weight of the car body and reduce energy consumption. It has distinct technical advantages and competitiveness.

Utility model content

The main purpose of the utility model is to solve the above-mentioned problems and deficiencies, and provide a wire-drawing device that can perform wire-drawing treatment on the surface of the vehicle body to realize a rail vehicle without coating.

Another object of the present utility model is to provide a non-painted rail vehicle.

In order to achieve the above object, the technical solution of the utility model is:

A wire drawing device, including a wire drawing machine, used for wire drawing processing of car body parts to be processed;

The wire drawing machine includes an abrasive belt, a column, a driving roller arranged in a triangular distribution on the periphery of the column, a support roller and a tension roller, and a tensioning mechanism for tensioning and deflection adjustment of the abrasive belt;

The abrasive belt is respectively connected with the drive roller, the support roller and the tension roller by belt transmission;

The tension mechanism includes a support frame and a deflection adjustment mechanism for adjusting the tension roller. The tension roller is fixed on the support frame, and the top and bottom ends of the support frame are respectively connected with the Sliding connection of upper and lower tension rails;

A tension cylinder is arranged between the support frame and the column.

Further, a wire drawing device according to claim 1, characterized in that: a protruding support beam is provided at the top of the support frame, the support beam is slidingly connected with the upper tension guide rail, and the tension roller The top end is connected with the support beam through a joint bearing.

Further, the bottom end of the support frame is fixedly connected to a base of a deflection adjustment mechanism, and the base of the deflection adjustment mechanism is slidably connected to the lower tension guide rail.

Further, the deflection adjustment mechanism includes a roller linear guide rail arranged longitudinally on the base of the deflection adjustment mechanism, the slider of the roller linear guide rail is connected to a clamping roller disc, and the clamping roller disc is connected to the tensioning roller disc. The bottom end of the roller is fixedly connected, and the clamping roller disc is connected with a swing cylinder.

Further, a flexible follow-up device is provided between the driving roller and the support roller, and the flexible follow-up device includes a plurality of coaxially arranged press rollers, a mandrel passing through the centers of the plurality of press rollers, Grinding roller cylinder with constant roller pressure;

The cylinder of the pressure grinding roller is hinged to the mandrel;

A supporting piece is arranged between every two adjacent grinding rollers, one end of the supporting piece is hinged to the mandrel, the other end is fixed to a support, and the cylinder of the grinding roller is fixed to the support connect.

Further, the support sheet is pressed and fixed to the support by a support sheet press block, one side of the support sheet press block is an inclined surface, and a support sheet press block is arranged between two adjacent support sheet press blocks. Tightening the inclined block, the two sides of the supporting sheet pressing the inclined block are inclined surfaces and cooperate with the inclined surface of the supporting sheet pressing block, and the supporting sheet pressing the inclined block is bolted and fixed on the support.

Further, the wire drawing device also includes a walking device, which is used for fixing and displacing the parts of the car body to be processed;

The walking device includes a moving frame, which is used for fixing the car body parts to be processed and driving the displacement of the car body parts to be processed;

a static frame, used to carry the moving frame;

a driving device for displacing the moving frame;

The static frame includes a fixed frame, upper and lower guide rail beams fixed to the fixed frame, and upper and lower roller guide rails are respectively arranged on the upper and lower guide rail beams;

The moving frame is slidingly connected with the upper and lower roller guide rails.

Further, the upper and lower roller guide rails are linear guide rails with an "L"-shaped cross section;

An upper roller assembly and a lower roller assembly are respectively arranged on the top and bottom of the moving frame;

The upper roller assembly includes an upper roller frame, a pair of first clamping wheels and a first traveling wheel arranged on the upper roller frame, the pair of first clamping wheels and the "L" shape of the upper roller guide rail The side surfaces on both sides of the protruding part are in sliding contact, and the first traveling wheel is in sliding contact with the bottom surface of the "L"-shaped protruding part of the upper roller guide rail;

The lower roller assembly includes a lower roller frame, a pair of second clamping wheels and a pair of second running wheels arranged on the lower roller frame, and the pair of second clamping wheels and the "L"-shaped protrusion of the lower roller guide rail The side surfaces on both sides of the lower roller guide rail are in sliding contact with the side surfaces, and the pair of second traveling wheels are in sliding contact with the top surface of the "L"-shaped protrusion of the lower roller guide rail;

The driving device includes a mounting base fixed on the moving frame, a motor and a reducer arranged on the mounting base, the motor is connected to the reducer shaft, and a gear is arranged at the output end of the reducer;

A rack meshed with the gear is arranged on the static frame.

Another technical scheme of the utility model is:

A wire drawing device, including a workpiece fixing device, used for fixing car body components to be processed;

Wire drawing machine, used for drawing processing of car body parts to be processed;

The wire drawing machine includes an abrasive belt, a wire drawing machine support frame, a driving roller arranged on the wire drawing machine support frame, a support roller and a tension roller, and a tensioning mechanism for tensioning and deflection adjustment of the abrasive belt;

The abrasive belt is respectively connected with the drive roller, the support roller and the tension roller by belt transmission;

The wire drawing machine support frame is slidingly connected with the wire drawing machine displacement guide rail provided on the ground base;

The tension mechanism includes a support frame and a deflection adjustment mechanism for the tension roller. The tension roller is fixed on the support frame, and the top and bottom ends of the support frame are respectively fixed on the drawing wire The upper and lower tension guide rails on the support frame of the machine are slidingly connected;

A tension cylinder is arranged between the support frame and the wire drawing machine support frame.

Another technical scheme of the utility model is:

A non-painted rail vehicle includes a wire drawing car body produced by the above wire drawing device.

In summary, the wire drawing device and the non-painted rail vehicle described in the utility model have the following advantages:

1. The equipment adopts an open layout and a wide format, which is easy to realize one-time drawing and forming of car body parts without joint marks.

2. By setting a flexible follow-up device, it overcomes the influence of uneven surface of car body parts on the drawing quality.

3. The structural design of the tensioning mechanism not only realizes the tensioning of the abrasive belt, but also corrects the deviation of the abrasive belt.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the top view of Fig. 1;

4 is a schematic diagram of the main body of the wire drawing machine in Embodiment 1;

Fig. 5 is the schematic diagram of the walking device of embodiment one;

Fig. 6 is the left side view of Fig. 5;

Figure 7 is a top view of Figure 5;

Fig. 8 is a partial schematic diagram of the moving frame of Embodiment 1;

Fig. 9 is a left side view of Fig. 8;

Fig. 10 is a schematic diagram of the flexible follower of Embodiments 1, 2 and 3;

Fig. 11 is the bottom view of Fig. 10;

Fig. 12 is the left view of Fig. 10;

Fig. 13 is A-A sectional view of Fig. 10;

Fig. 14 is a schematic diagram of the tensioning mechanism of Embodiments 1, 2 and 3;

Fig. 15 is the left view of Fig. 14;

Figure 16 is a top view of Figure 14;

Fig. 17 is a structural schematic diagram of tension rollers in Embodiments 1, 2 and 3;

Fig. 18 is a schematic structural view of Embodiment 2 of the utility model;

Figure 19 is a left side view of Figure 18;

Fig. 20 is a layout diagram of the third embodiment of the utility model;

Fig. 21 is a front view of Embodiment 3 of the present utility model;

FIG. 22 is a side view of FIG. 21 .

As shown in Figure 1 to Figure 22, column 1, drive roller 2, support roller 3, tension roller 4, drive motor 5, press roller 6, mandrel 7, press roller cylinder 8, support piece 9, support 10. Support sheet pressing block 11, support sheet pressing inclined block 12, connecting plate 13, fixed frame 14, upper guide rail beam 15, lower guide rail beam 16, upper roller guide rail 17, lower roller guide rail 18, frame body 19, upper roller Frame 20, first clamping wheel 21, first traveling wheel 22, lower roller frame 23, second clamping wheel 24, second traveling wheel 25, mount 26, motor 27, reducer 28, gear 29, rack 30. Support frame 31, support beam 32, base of deflection adjustment mechanism 33, joint bearing 34, upper tension guide rail 35, lower tension guide rail 36, rubber roller 37, roller linear guide rail 38, clamping roller disc 39, swing cylinder 40, lead screw 41, hand wheel 42, wire drawing machine support frame 43, wire drawing machine displacement guide rail 44, wire drawing machine drive motor 45, abrasive belt 46, adjustable double-row ball bearing 47, No. 1 preparation stand 48, wire drawing workshop 49, No. 2 preparation platform 50, material and tool storage area 51, car body displacement track 52, skylight 53, and crane 54.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

For the convenience of description, the "longitudinal" mentioned herein refers to the left-right direction in FIG. 1 , and the "horizontal" refers to the left-right direction in FIG. 2 .

Embodiment one:

The wire drawing device described in the utility model is applied to processing car body parts, especially the wire drawing processing of car body surfaces such as side walls and the like.

As shown in Figures 1 to 3, the wire drawing device consists of two parts, one is the walking device, and the other is the main body of the wire drawing machine. The traveling device is used for the fixation and displacement of the car body parts to be processed, and the wire drawing machine is used for wire drawing of the car body parts to be processed.

The wire drawing machine includes a column 1, a driving roller 2 distributed in a triangle, a support roller 3 and a tension roller 4, and an abrasive belt 46 is respectively connected to the driving roller 2, support roller 3 and tension roller 4 by belt transmission. The driving roller 2, the support roller The roller 3 and the tension roller 4 are arranged on the periphery of the column 1 in a triangular distribution. The vehicle body parts to be processed fixed on the traveling device face the side of the driving roller 2 and the support roller 3, and the vehicle body parts to be processed are displaced on the traveling device to realize wire drawing.

The bottom of driving roller 2, support roller 3 and tension roller 4 are fixed on a base, and the base and the foundation are fixed by chemical anchor bolts. There is also a driving motor 5 on the base, and the driving motor 5 is connected to the driving roller 2 through a V-shaped belt. Drive driving roller 1 to rotate.

The wire drawing machine adopts an open vertical structure with a wide format, which is easy to achieve one-time drawing of car body parts without joint marks. The three rollers adopt a triangular structure design, the speed of the driving roller 2 is steplessly adjustable between 500-2500 rpm, the wire drawing machine and the foundation are connected by multi-point rigidity, the rigidity is extremely high, and the vibration caused by the high-speed movement of the rollers can be effectively avoided influences.

As shown in Figures 4, 10, 11, 12, and 13, a flexible follow-up device is provided between the driving roll 2 and the support roll 3, and the flexible follow-up device includes a plurality of coaxially arranged pressing rollers 6, which run through multiple The mandrel 7 at the center of the grinding roller 6, the grinding roller cylinder 8 that gives the grinding roller 6 constant pressure, the grinding roller cylinder 8 is a three-axis cylinder with a guide rod, fixed on the column 1.

A bearing is arranged between each calender roller 6 and the mandrel 7, and a support piece 9 is sandwiched between every two adjacent calender rollers 6, and one end of the prop 9 is provided with a through hole and is connected to the mandrel. 7 are hinged, and the other end is fixed with a support 10.

A groove is opened on the support 10, and two adjacent support pieces 9 are inserted into the same groove and arranged close to the groove wall, and are pressed and fixed by a support piece pressing block 11 on the other side. One side is an inclined surface, and a supporting sheet pressing block 12 is arranged between the two supporting sheet pressing blocks 11 in the same groove, and both sides of the supporting sheet pressing inclined block 12 are inclined surfaces and are connected with the supporting sheet pressing block. The inclined surface of 11 cooperates, and the support sheet compresses the inclined block 12 and is bolted and fixed on the support 10.

A through hole is arranged on the support 10 , and a connecting plate 13 is arranged on the grinding roller cylinder 8 , and the connecting plate 13 is fastened to the through hole of the support 10 through a pin shaft.

In this embodiment, the flexible follow-up device is composed of three groups of the above-mentioned structures, and the grinding rollers 6 in the three groups are coaxially and vertically arranged on the side of the abrasive belt 46 close to the column 1, and the grinding roller cylinder 8 compresses the sand. Belt 46 and make abrasive belt 46 close to the car body parts to be processed.

The three-axis cylinder of the flexible servo device has a guiding function and can carry horizontal and vertical torques. Its air inlet is connected to a pressure regulating valve (not shown in the figure) to ensure a constant pressure in the cylinder. During the wire drawing process, when When protrusions or depressions appear on the surface of the body parts to be processed, the air cylinder can quickly re-press the grinding roller 6 to the surface of the workpiece, ensuring the drawing effect.

A plurality of calender rolls 6 are arranged on the same mandrel 7, and the support piece 9 is connected with the air cylinder to ensure that the gap between each adjacent two calender rollers 6 is minimized, which is beneficial to wire drawing and at the same time can obtain sufficient strength.

The grinding rollers 6 are connected to the cylinder by hinges, and each grinding roller 6 can be slightly rotated along the hinge point, so that the grinding rollers 6 are more flexible, and are more suitable for the whole body side wall of rail vehicles or other integrally processed parts surface conditions.

Utilize the supporting sheet to press the inclined block 12 to fix the supporting sheet 9, fix the grinding roller cylinder 8 through the pin shaft, etc., so that the structure of the flexible follow-up device is simple, and the assembly and adjustment are more convenient.

As shown in Figures 5 to 7, the traveling device includes a moving frame, a static frame and a driving device. Among them, the moving frame is used to fix the body parts to be processed and drive the displacement of the body parts to be processed; the static frame is used to carry the moving frame; the driving device is used to drive the displacement of the moving frame.

Static frame comprises fixed frame 14, upper guide rail beam 15 and lower guide rail beam 16 fixed with fixed frame 14, upper guide rail beam 15 is provided with upper roller guide rail 17, and lower guide rail beam 16 is provided with lower roller guide rail 18. The fixed frame 14 is fixed on the foundation, and the static frame structure is welded and formed by square steel pipes, and each connecting surface is processed once to ensure higher matching accuracy.

The upper roller guide rail 17 and the lower roller guide rail 18 are both linear guide rails. The length of the single rail is 4.8m. rigidity. The upper roller guide rail 17 and the lower roller guide rail 18 are bolted and fixed to the beam assembly. This split design enables the upper guide rail beam 15 and the lower guide rail beam 16 to be processed at one time, and the dimensional accuracy and geometric accuracy can be guaranteed. Difficulties in installing and debugging guide rails.

As shown in FIG. 8 and FIG. 9 , the moving frame includes a frame body 19 , and two sets of upper roller assemblies and two sets of lower roller assemblies are respectively arranged on the top and bottom of the frame body 19 .

The upper roller assembly includes an upper roller frame 20, a pair of vertically arranged first clamping wheels 21 arranged on the upper roller frame 20 and a first horizontally arranged first traveling wheel 22, a pair of first clamping wheels 21 The first traveling wheel 22 is in sliding contact with the bottom surface of the "L" shaped protrusion of the upper roller guide rail 17 .

The first clamping wheel 21 is used to balance the side pressure of the car body parts to be processed from the pressure grinding roller 6 during the wire drawing process, and the first traveling wheel 22 is used to prevent the turning moment generated by the wire drawing force on the moving frame. Needle roller bearings are used, and an eccentric adjustment sleeve is designed at the mandrel, which can adjust the gap between the roller and the upper roller guide rail 17 within the range of 0-0.8mm, so as to ensure that each roller can be well aligned with the upper roller The contact between the guide rail 17 effectively prevents the gap between the moving parts caused by the manufacturing and assembly errors of the parts, improves the movement accuracy, reduces the impact noise between the roller and the upper roller guide rail 17, and extends the distance between the upper roller guide rail 17 and the roller. working life.

The lower roller assembly comprises a lower roller frame 23, a pair of vertically arranged second clamping wheels 24 and a pair of horizontally arranged second running wheels 25 arranged on the lower roller frame 23, a pair of second clamping wheels 24 and The two side surfaces of the "L"-shaped protrusion of the lower roller guide rail 18 are in sliding contact, and a pair of second traveling wheels 25 are in sliding contact with the top surface of the "L"-shaped protrusion of the lower roller guide rail 18 .

The driving device includes a mounting seat 26 fixed on one side of the moving frame, a motor 27 and a speed reducer 28 arranged on the mounting seat 26, the motor 27 and the speed reducer 28 are connected for transmission, and a gear 29 is arranged at the output end of the speed reducer 28. A rack 30 meshing with a gear 29 is arranged on the lower roller guide rail 18 .

The second clamping wheel 24 is used to offset the radial force generated by the gear 29 and the rack 30 during the movement, and a pair of second traveling rollers 25 is used to bear the weight of the moving frame and the vehicle body parts to be processed.

As shown in Figures 14 to 16, the wire drawing machine also includes a tensioning mechanism, which is used for tensioning and deflection adjustment of the abrasive belt 46, and the tensioning mechanism includes a support frame 31 and a tension roller fixed on the support frame 31 4. The deflection adjustment mechanism for tension roller 4 deflection adjustment.

A support beam 32 protrudes from the top of the support frame 31, and the bottom end is fixedly connected with a base 33 of a deviation adjustment mechanism through a longitudinal deviation adjustment mechanism. The deviation adjustment mechanism base 33 is connected. An upper tension guide rail 35 and a lower tension guide rail 36 extending outward are fixed on the column 1 , the support beam 32 is slidably connected with the upper tension guide rail 35 , and the deviation adjustment mechanism base 33 is slidably connected with the lower tension guide rail 36 . A tension cylinder (not shown) is arranged between the support frame 31 and the column 1, the output end of the tension cylinder is close to the tension roller 4, and the whole tension mechanism passes through the upper and lower tension guide rails 35, 36 and tension rollers The constant pressure provided by the tightening cylinder realizes the lateral displacement and tensioning functions.

The deviation adjustment mechanism includes a horizontal deviation adjustment mechanism and a longitudinal deviation adjustment mechanism.

The longitudinal deviation adjustment mechanism includes a roller linear guide 38 longitudinally arranged on the base 33 of the deviation adjustment mechanism. The slider of the roller linear guide 38 is connected to a clamping roller disc 39, and the clamping roller disc 39 is connected to the bottom of the tension roller 4. The end is fixedly connected, and the clamping roller method plate 39 is connected with a swing cylinder 40, and the swing cylinder 40 is arranged on one side of the roller linear guide rail 38, and is fixed on the base 33 of the deflection adjustment mechanism. Since the top of the tension roller 4 is connected to the support beam 32 through the joint bearing 34, it can swing in any direction, and the swing cylinder 40 pushes the clamping roller disc 39 to move longitudinally, so that the bottom of the tension roller 4 can swing longitudinally to realize the function of deviation adjustment .

The horizontal deflection adjustment mechanism includes a lead screw 41 which is horizontally arranged on the deflection adjustment mechanism base 33. One end of the lead screw 41 is connected to the hand wheel 42, and the other end is connected to the guide key at the bottom of the roller linear guide rail 38 guide groove. Turn the handwheel 42, and the leading screw 41 drives the guide key to slide in the guide rail groove, thereby driving the roller linear guide 38 to laterally displace in the guide rail groove. The horizontal deflection adjustment mechanism is mainly used to manually adjust the tension degree of the tension roller 4 .

The whole tensioning mechanism realizes the lateral displacement and tensioning function through the constant pressure provided by the upper and lower tensioning guide rails 35, 36 and the tensioning cylinder, and does not affect the deviation adjustment of the tensioning roller 4 while tensioning. The tension roller 4 realizes the artificial lateral tension adjustment through the lateral deviation adjustment mechanism, and the tension roller 4 swings longitudinally through the roller linear guide 38 and the swing cylinder 40 to realize the deviation adjustment function. The structural design of the tensioning mechanism ensures that the functions of deviation adjustment and tensioning do not affect each other.

As shown in FIG. 17 , the tension roller 4 is composed of a mandrel 7 and a rubber roller 37 sleeved on the mandrel 7 , and an adjustable double-row ball bearing 47 is arranged between the mandrel 7 and the rubber roller 37 . When there is an installation error between the rubber roller 37 and the mandrel 7, the inner ring of the adjustable double row ball bearing 47 can automatically adjust with the installation direction of the mandrel 7 within a range of less than 1.5 degrees relative to the outer ring.

An unpainted rail vehicle includes a car body, a bogie, etc., wherein the car body is a wire-drawn car body produced by the above-mentioned wire drawing device.

The wire drawing device described in the utility model adopts an open layout and a wide format, which is easy to realize one-time wire drawing of car body parts without joint marks. By arranging a flexible follow-up device, the influence of unevenness on the surface of the car body parts on the drawing quality is overcome. The structural design of the tensioning mechanism not only realizes the tensioning of the abrasive belt, but also corrects the deviation of the abrasive belt.

Embodiment two:

As shown in Figures 18 and 19, the wire drawing device consists of two parts, one part is the workpiece fixing device (not shown in the figure), and the other part is the main body of the wire drawing machine. The workpiece fixing device is used for fixing the car body parts to be processed, and the wire drawing machine is used for wire drawing of the car body parts to be processed.

The wire drawing machine includes a wire drawing machine support frame 43, a triangular distribution of drive roll 2, support roll 3 and tension roll 4, the abrasive belt 46 is respectively connected with the drive roll 2, support roll 3 and tension roll 4 as a belt drive, and the wire drawing The top of the machine support frame 43 is provided with a driving motor mounting seat, and a driving motor 5 is arranged in the mounting seat, and the driving motor 5 is connected with the driving roller 2 by a V-shaped belt to drive the driving roller 2 to rotate. The car body parts to be processed that are fixed on the workpiece fixing device face the side of the driving roller 2 and the support roller 3 .

The wire drawing machine supporting frame 43 is slidably connected with the wire drawing machine displacement guide rail 44 provided on the ground base, and a wire drawing machine drive motor 45 is arranged on one side of the wire drawing machine displacement guide rail 44, and the wire drawing machine realizes displacement through the wire drawing machine displacement guide rail 44 to treat the processing vehicle Body parts are processed.

The wire drawing machine also includes a flexible follower and a tensioning mechanism, the structures of which are the same as those in the first embodiment.

Embodiment three:

As shown in Fig. 20 to Fig. 22, an unpainted vehicle body drawing factory building includes four areas, respectively No. 1 preparation station 48, wire drawing workshop 49, No. 2 preparation station 50, material tool storage area 51, The four areas are arranged linearly one after the other. The drawing workshop 49 is arranged between the No. 1 preparation station 48 and the No. 2 preparation station 50, and is closed.

A vehicle body displacement track 52 is set, and the vehicle body displacement track 52 runs through the No. 1 preparation station 48, the drawing workshop 49, and the No. 2 preparation station 50. On the car body displacement track 52, a traction trolley is arranged, and the traction trolley is used to drive the whole row of rail vehicles to move along the No. 1 preparation platform 48, the drawing workshop 49, and the No. 2 preparation platform 50.

A plurality of wire drawing devices in the first embodiment are installed in the wire drawing workshop 49, the walking device is removed, and only the wire drawing machine part is reserved. In this embodiment, six wire drawing machines are arranged, and the six wire drawing machines are symmetrically arranged on the vehicle body displacement track respectively. 52 both sides, three sets are respectively arranged on both sides of the car body displacement track 52, in order to process the car bodies on both sides of the rail vehicle simultaneously. An openable skylight 53 is provided at the top of the wire drawing workshop 49 for replacing the abrasive belt 46 of the wire drawing machine.

A dust collecting device (not shown in the figure) and a crane 54 are also arranged in the car body wire drawing workshop. The dust collection device includes an exhaust and dust removal system and a dust treatment system to prevent the powder from exploding due to excessive concentration in the air. A dust collection cover is also provided on the wire drawing workshop 49 to collect the powder in the workshop. The crown block 54 is used to replace the abrasive belt 46 of the wire drawing machine.

The non-painted car body drawing factory in this embodiment can realize the car body drawing of the whole vehicle. According to the different abrasive belt particles and materials, it can be divided into coarse grinding, fine grinding and wire drawing. The processing process can be divided into two methods. One way is a one-time processing and molding process, and the other is a separate processing process.

The technological process of one-time processing molding process is:

1. Among the three pairs of wire drawing machines that are symmetrical on both sides of the vehicle body displacement track 52, the pair of wire drawing machines near the No. Prepare a pair of wire-drawing machines on one side of platform 50 to install wire-drawing abrasive belts;

2. Outside the car body drawing workshop, the complete car to be processed is transferred by the dummy trolley to the car body displacement track 52, and fastened to the traction trolley;

3. The traction trolley drives the whole vehicle into the No. 1 preparation stand 48, and the three pairs of wire drawing machines are turned on, and the traction trolley moves forward at a uniform speed specified by the process, and reaches the No. 2 preparation stand 50;

4. The towing trolley drives the whole vehicle out of the car body drawing workshop and transfers it to the dummy trolley.

The process flow of processing respectively is:

1. Outside the car body drawing workshop, the complete car to be processed is transferred to the car body displacement track 52 by the dummy trolley, and fastened to the traction trolley;

2. The traction trolley drives the whole vehicle into the No. 1 preparation station 48, and the three pairs of wire drawing machines are installed with coarse grinding belts, and the traction trolley moves forward at a uniform speed specified by the process, and reaches the No. 2 preparation station 50, and the coarse grinding is completed;

3. Three pairs of wire drawing machines replace the fine grinding abrasive belts, and the traction trolley drives the whole vehicle from No. 2 preparation station 50 to No. 1 preparation station 48 at the speed specified in the process, and the fine grinding is completed;

4. Three pairs of wire-drawing machines replace the wire-drawing abrasive belts, and the traction trolley moves forward at a uniform speed specified in the process, and reaches No. 2 preparation stand 50, and the wire-drawing is completed;

5. The traction trolley drives the whole vehicle out of the car body drawing workshop and transfers it to the dummy trolley.

The replacement of wire drawing device abrasive belt 46 can take following process:

The crane 54 drives the special grabbing tooling to move, the skylight 53 of the wire drawing workshop 49 is opened, the special grabbing tooling is connected with the old abrasive belt 46 manually, the crane 54 rises, the old abrasive belt 46 is unloaded, and the old abrasive belt 46 is stored Go to the material tool storage area, install a new abrasive belt 46 on the special grabbing tool, and the crane 54 drives the new abrasive belt 46 to the top of the wire drawing machine, manually assist the new abrasive belt 46 in place, manually remove the special grabbing tool, and the skylight of the drawing workshop 49 53 closes, and crane 54 resets and can finish operation.

In addition to the advantages of high-quality wire-drawing of the wire-drawing machine itself, the wire-drawing plant for a non-painted car body in this embodiment is simple in the whole wire-drawing process, and can automatically complete the wire-drawing operation of the entire vehicle at one time. The safety of the factory building is enhanced through the dust collection device, and the abrasive belt 46 of the wire drawing machine can be easily replaced through equipment such as a crane.

As mentioned above, a similar technical solution can be derived in combination with the content of the solution given in the accompanying drawings. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model without departing from the content of the technical solution of the utility model still belong to the scope of the technical solution of the utility model.

Claims (10)

1. a wire-drawing frame, is characterized in that: comprise wire drawing machine, for treating processing cart body component wire drawing process;

Described wire drawing machine comprises abrasive band, column, the drive roll being arranged on the peripheral distribution triangular in shape of described column, backing roll and idler roller and for the tensioning in abrasive band and the strainer of tuningout;

Described abrasive band is that V belt translation is connected respectively with drive roll, backing roll and idler roller;

Described strainer comprises bracing frame, adjusting deviation device for idler roller tuningout, and described idler roller is fixed on bracing frame, and the top of support frame as described above is connected with the upper and lower tensioning slide be fixed on described column respectively with bottom;

Tensioning cylinder is provided with between support frame as described above and column.

2. a kind of wire-drawing frame according to claim 1, is characterized in that: arrange the brace summer stretched out on support frame as described above top, and described brace summer is connected with described upper tensioning slide, and described idler roller top is connected by oscillating bearing with described brace summer.

3. a kind of wire-drawing frame according to claim 2, is characterized in that: support frame as described above bottom is fixedly connected with an adjusting deviation device base, and described adjusting deviation device base is connected with described lower tensioning slide.

4. a kind of wire-drawing frame according to claim 3, it is characterized in that: described adjusting deviation device comprises a longitudinal roller line slideway be arranged on described adjusting deviation device base, the slide block of described roller line slideway connects a hold-down roll method dish, described hold-down roll method dish is fixedly connected with the bottom of idler roller, and described hold-down roll method dish is connected with an oscillating cylinder.

5. a kind of wire-drawing frame according to claim 1, it is characterized in that: between described drive roll, backing roll, be provided with flexible hunting gear, the pressure grinding roller cylinder that described flexible hunting gear comprises the many pressure grinding rollers coaxially arranged, runs through the mandrel at many pressure grinding roller centers, gives to press grinding roller constant pressure;

Described pressure grinding roller cylinder and mandrel hinged;

Be provided with a support chip between two often adjacent pressure grinding rollers, one end and the described mandrel of described support chip are hinged, and the other end and a bearing are fixed, and described pressure grinding roller cylinder is fixedly connected with described bearing.

6. a kind of wire-drawing frame according to claim 5, it is characterized in that: described support chip is fixed by a support chip briquetting and described bearing, the side of described support chip briquetting is inclined plane, be provided with a support chip between two adjacent support chip briquettings and compress skewback, the both sides that described support chip compresses skewback are inclined plane and coordinate with the inclined plane of support chip briquetting, and described support chip compresses skewback bolt and is fixed on bearing.

7. a kind of wire-drawing frame according to claim 1, is characterized in that: described wire-drawing frame also comprises running gear, for the fixing of body part to be processed and displacement;

Described running gear comprises dynamic framework, fixing and driving body part displacement to be processed for body part to be processed;

Quiet framework, for carrying described dynamic framework;

Drive unit, for making described dynamic framework displacement;

Described quiet framework comprises fixed frame, the upper and lower guide rail beam fixing with described fixed frame, and described upper and lower guide rail beam is respectively arranged with upper and lower rolling wheel guide rails;

Described dynamic framework and described upper and lower rolling wheel guide rails are slidably connected.

8. a kind of wire-drawing frame according to claim 7, is characterized in that: described upper and lower rolling wheel guide rails is line slideway, and its cross section is " L " shape;

Upper roller assembly and bottom roller assembly is respectively arranged with at the top of described dynamic framework and bottom;

Described upper roller assembly comprises upper roller framework, be arranged on a pair first clamping wheels on upper roller framework and a first row travelling wheel, described a pair first clamping wheels contact with the protuberance both sides side slip of upper roller guide rail " L " shape, and the protuberance bottom surface of described the first row travelling wheel and upper roller guide rail " L " shape slidingly contacts;

Described bottom roller assembly comprises bottom roller framework, be arranged on a pair second clamping wheels on bottom roller framework and a pair second road wheels, described a pair second clamping wheels contact with the protuberance both sides side slip of bottom roller guide rail " L " shape, and the protuberance end face of described a pair second road wheels and bottom roller guide rail " L " shape slidingly contacts;

Described drive unit comprises the mount pad be fixed on described dynamic framework, is arranged on motor and speed reducer on described mount pad, and described motor is connected with reductor shaft, arranges gear in output end of reducer;

Described quiet framework is provided with the tooth bar with described gears meshing.

9. a wire-drawing frame, is characterized in that: comprise Work fixing device, fixing for body part to be processed;

Wire drawing machine, for treating processing cart body component wire drawing process;

Described wire drawing machine comprises abrasive band, wire drawing machine bracing frame, be arranged on drive roll, backing roll and idler roller on described wire drawing machine bracing frame and for the tensioning in abrasive band and the strainer of tuningout;

Described abrasive band is that V belt translation is connected respectively with drive roll, backing roll and idler roller;

The wire drawing machine displacement guide rail that described wire drawing machine bracing frame and ground pedestal are arranged is slidably connected;

Described strainer comprises bracing frame, adjusting deviation device for idler roller tuningout, and described idler roller is fixed on support frame as described above, and the top of support frame as described above is connected with the upper and lower tensioning slide be fixed on described wire drawing machine bracing frame respectively with bottom;

Tensioning cylinder is provided with between support frame as described above and wire drawing machine bracing frame.

10., without an application rail vehicle, it is characterized in that: comprise a kind of wire-drawing frame as described in any one of claim 1 to 9 the wire drawing car body produced.