CN2598662Y

CN2598662Y - Smelting tool die frame

Info

Publication number: CN2598662Y
Application number: CNU032362145U
Authority: CN
Inventors: 史大卫
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-20
Filing date: 2003-01-20
Publication date: 2004-01-14
Anticipated expiration: 2013-01-20

Abstract

A smelting tool die frame comprises a base; a support arranged on the base and is a frame which can rotate horizontally; a smelting tool is a die base arranged on the support and can rotate and can clamp workpiece; a rocker mechanism arranged at the side wall of the support and can make the smelting tool rotate, and comprises a track plate, a rocker which has the same shaft with the smelting tool shaft center and a pulley arranged at the lower part of the rocker; a drive mechanism which is an air cylinder arranged at the side wall of the support with the rocker mechanism, the top of the piston rod is connected to the rocker, thereby, the rocker can be driven to wiggle by the piston rod when the air cylinder works, and the pulley at the lower part of the rocker can roll along the track of the track plate, so the smelting tool with the same shaft with the rocker can rotate; in addition, an elastic mechanism used to drive the top of the drive mechanism is arranged at the side wall of the support so that the drive device can be activated to benefit the deflexion.

Description

Smelting tool die frame

Technical field

The utility model relates to a kind of Smelting tool die frame, refers to a kind of mould bases that sprays paint that makes the smelting prodigiosin produce 180 ° of inverting actions especially.

Background technology

The utility model at be a kind of semi-automatic mould bases that makes the smelting tool produce 180 ° of turn over function in mould bases upper end, upset by the smelting tool makes the workpiece positive and negative that is clamped in the smelting tool can both receive the processing of spraying paint, this mechanism that the smelting tool is overturn mainly is the enforcement by a transmission mechanism and a driving mechanism, relevant case can be announced No. 469873 Paint spraying platform and No. 513985 Paint spraying platform structure patent case with reference to Taiwan, wherein, before case to disclose transmission mechanism 4 in figure are two sprocket wheels 41 up and down, 42 and around chain 43, and it is motor-driven as driving by a pneumatic cylinder 5, after producing action, piston rod 51 can drive chain 43 feasible two sprocket wheels 41 up and down, 42 rotate, and then make smelting tool 3 synchronously produces 180 ° of inverting actions.The strict speech of aforesaid transmission mechanism should be " chain drive " that cooperates sprocket wheel.

Back case discloses transmission mechanism 4 and includes first driven gear 42, second driven gear 43 of one and first driven pulley engagement, the 3rd driven gear 44 of one and second driven gear engagement and the fixed head of fixing three gears that a tooth bar 41, cooperates with tooth bar in figure; Driving mechanism 5 then is a pneumatic cylinder 51; It utilizes piston rod 511 to drive tooth bar 41 and makes 180 ° of turn over function of smelting tool 3 generations by the transmission of three gears 42～44 again.Therefore strict, the transmission mechanism of back case is " gear drive " that cooperates tooth bar.

In aforementioned, the transmission mechanism of preceding case is that the rectilinear motion of mat pneumatic cylinder piston rod drives chain, mat chain drive gear and produce crankmotion again, and make the smelting tool produce 180 ° of reciprocal turning efforts, this kind of drive has following problem:

1. the chain of " chain drive " uses one for a long time, is easy to be subjected to the stretching, extension between the chain sheet and development length makes the smelting tool anglec of rotation be greatly affected.

2. must use the double-acting pneumatic cylinder of double piston-rod to come chain drive-belt, and can't implement with general single-lift pneumatic cylinder.

Transmission mechanism as for the back case is the rectilinear motion of the piston rod drive tooth bar of mat pneumatic cylinder, give rotatablely moving of gear by the tooth bar transmission again, and the relation of the positive and reverse steering between gear, and make the smelting tool produce 180 ° of reciprocal turning efforts, this kind of drive has following problem points:

1. the composition member of " gear drive " is many, makes that assembling is more time-consuming, relatively also can improve many on manufacturing cost.

2. transmission principle system makes the upset of smelting tool by rectilinear motion → rotatablely move → the positive and reverse steering motion by above-mentioned athleticism, and this is the process complexity not only, more has to cooperate last tolerance and clearance matching problem.

3. the cooperation of rack and pinion, gear must accurately calculate number of teeth matching relationship with cooperating of gear, otherwise the smelting tool anglec of rotation can't correctly reach 180 ° or rotating excessive velocities or slow excessively.

4. " gear drive " needs splendid lubricant effect with the resistance of reducing friction, so must add ointment on the gear, therefore maintenance work at ordinary times must often be done; Be stained with on the gear again to cover and spray paint liquid and influence transmission, also must cover with shell.

Summary of the invention

The purpose of this utility model provide a kind of transmission respond well, can assemble the smelting tool fast and avoid smelting tool axle center to produce eccentric Smelting tool die frame.

For achieving the above object, the utility model adopts following design: a kind of Smelting tool die frame is characterized in that: this mould bases comprises: a pedestal; One carriage, the support body that is located on the pedestal and can horizontally rotates; One smelting tool is installed on the carriage and can overturns, die holder that again can holding workpiece; One rocker arm body, the mechanism that is located at the carriage sidewall and the smelting tool is overturn; Form by the pulley that a track disk, is located at the rocking arm lower end with the coaxial rocking arm and in smelting tool axle center; One driving mechanism, be one with rocker arm body with being located at the pneumatic cylinder of carriage sidewall, its piston rod top combines with rocking arm; Make piston rod drive the rocking arm swing during pneumatic cylinder action, and make the pulley of rocking arm lower end follow the guide rail rolling of track disk, and make the smelting tool generation rotation coaxial, advance so that the upset of smelting tool with rocking arm.

At the carriage sidewall one elastic mechanism that is used for pushing tow driving mechanism top is set.

Elastic mechanism be the sleeve, that is fixed on the carriage sidewall shuttle back and forth push rod in sleeve, together be located in the sleeve and the spreader spring that is used to promote push rod combines.

Elastic mechanism can be and one is fixed on the cross bar of carriage sidewall, a string spreader spring that is located at cross bar combines.

Track disk is the semilune piece with arc-shaped guide rail, and guide rail system supplies the wheel shaft of rocking arm and pulley room to pass.

Have race in the bottom surface of track disk and communicate with guide rail, race can make pulley follow the groove edge to roll, and limits its rolling scope.

Track disk and bearing block are fixed on the carriage upper end, have bearing in the bearing block, be provided with rotating shaft in the bearing, and the fixing a positioning block in the outer face of rotating shaft, this locating piece cooperates with the locating hole of rocking arm again, and a tie spacer and a bolt are screwed in the screw of rotating shaft outer face and secure bond then.

Advantage of the present utility model:

1. cooperate driving mechanism with rocker arm body, not only the more simple clever of operation falls, and implements also more directly, and the transmission effect is splendid.

2. the driving mechanism that replaces the habit formula with rocker arm body not only makes simple in structurely, and it is also more easy assemble, and also reduction for it of manufacturing cost.

3. the guide rail of rocker arm body can accurately be controlled the anglec of rotation of pulley, and the anglec of rotation that makes the smelting tool does not have the angular error in tolerance or the cooperation clearance positively by 0 °～180 ° or by 180 °～0 °.

Description of drawings

Fig. 1: the three-dimensional combination figure of the utility model Smelting tool die frame.

Fig. 2: the utility model is used for the elastic mechanism profile of pushing tow pneumatic cylinder.

Fig. 3: the utility model is used for the elastic mechanism profile of pushing tow pneumatic cylinder.

Fig. 4: the schematic diagram before the utility model rocker arm body does not move.

Fig. 5: the schematic diagram in the action of the utility model rocker arm body.

Fig. 6: the schematic diagram that the action of the utility model rocker arm body is finished.

Fig. 7: the front elevation of the utility model track disk.

Fig. 8: the utility model rocker arm body, driving mechanism and carriage three-dimensional exploded view.

Fig. 9: the part three-dimensional exploded view of the utility model rocker arm body, driving mechanism and carriage.

The specific embodiment

Following according to detailed description of the embodiment shown in the drawing as back:

As shown in Figure 1, be the D structure figure of the utility model Painting mould frame, this Smelting tool die frame 100 includes a pedestal 10; One carriage 20, the KanXing Jia that is located on the pedestal 10 and can horizontally rotates; One smelting tool 30, be installed on the carriage 20 and can flip vertical again can holding workpiece template; One rocker arm body 40 is located at the sidewall of carriage 20 and can makes the mechanism of smelting tool 30 upset, and it is made up of the pulley 43 that a track disk 41, is located at Rocker arm 42 lower ends with the coaxial Rocker arm 42 and in smelting tool 30 axle center; One driving mechanism 50, be one with rocker arm body 40 with the pneumatic cylinders 51 that are located at carriage 20 sidewalls, its piston rod 52 tops combine with Rocker arm 42; In view of the above, when pneumatic cylinder 51 actions, make piston rod 52 drive Rocker arm 42 swings, and make the pulley 43 of rocking arm lower end follow the guide rail rolling of track disk 41, and make Rocker arm 42 coaxial smelting tools 30 produce 180 ° of rotary movements.

Secondly, an elastic mechanism 60 is set being used for pushing tow driving mechanism 50 at the sidewall of carriage 20, this elastic mechanism 60 as shown in Figure 2 by a sleeve 61, that is fixed on the carriage sidewall shuttle back and forth push rod 62 in sleeve 61, together be located in the sleeve 61 and the spreader spring 63 that is used to promote push rod 62 combines.In addition, elastic mechanism 60 also can be illustrated in figure 3 as and one be fixed on the cross bar 64 of carriage 20 sidewalls, a string spreader spring 65 that is located at cross bar 64 combines.Elastic mechanism 60 is to be that suppress on driven-mechanism 50 tops as shown in Figure 4 in peacetime state again, be subjected to compacting back, pneumatic cylinder 51 tops and make spring 63 be deflated state as push rod among the figure 62, the effect of this elastic mechanism 60 is that to make pneumatic cylinder 51 in the thruster mode when driving mechanism 50 desires are moved be axle center and toward side deflection, its course of action can be understood by following graphic acquisition with the bottom.

As shown in Figure 5, when rising for piston rod 52 desires of pneumatic cylinder 51 under the promotion of elastic mechanism 60, just can make pneumatic cylinder 51 change (system changes towards left avertence as drawing) towards lateral deviation, thus, piston rod 52 just can up raise smoothly so that Rocker arm 42 is that the axle center rotates with the top; With this figure is example, and Rocker arm 42 is half-twist, and pulley 43 is following also half-twist of guide rail 411.

Again as shown in Figure 6, when Rocker arm 42 anglecs of rotation surpassed 90 °, Rocker arm 42 meetings were followed the guide rail 411 of track disk 41 to move with pulley 43 and are rotated to 180 °, and at this

moment piston rod

52 and 51 meeting while of pneumatic cylinder position are on a vertical line; Otherwise, when piston rod 52 descends, follow abovementioned steps to be reduced to state as shown in Figure 4.

In aforementioned, pulley 43 will begin when mobile by the minimum point of guide rail 411 or by peak, can be because of the top of arc-shaped guide rail 411, bottom is dead angle and be not easy to move, at the bottom of its former because top of guide rail 411 two correct the position 0 ° with 180 °, this two angle just in time is the mobile dead angle of pulley 43, so pulley 43 will begin when mobile difficulty by minimum point and peak, for head it off, can be with reference to as shown in Figure 7, two stop 411a up and down with guide rail 411, b extends by changing into along the radius R direction along tangent line C direction, that is to say two stop 411a up and down, b is not an arc-shaped guide rail, but the oblique angle guide rail; Thus, pulley 43 is by top dead centre 411b oblique angle and gliding smoothly according to this just, and relatively, pulley 43 also can be by lower dead center 411a oblique angle and moving smoothly according to this.

In earlier figures 4, smelting tool 30 is to be the level of state and to face up; In Fig. 5, smelting tool 30 has rotated to 90 ° of plumbness; And among Fig. 6, smelting tool 30 is Rotate 180 ° and face down.When smelting tool 30 faced up, the processing of spraying paint can be accepted in the workpiece front of its clamping, otherwise at smelting tool 30 back sides up the time, the back of work of its clamping can be accepted the processing of spraying paint.The rotation of smelting tool 30 control is to operate by the hand switch valve 21 (Fig. 1 announcements) that is fixed on carriage 20 upper ends fully, pushes when closing smelting tool 30 front Rotate 180s ° instantly aside, otherwise, on when pushing the pass aside smelting tool 30 can turn round 180 °.

Please join shown in Figure 8ly, be the three-dimensional exploded view of the utility model rocker arm body and carriage, smelting tool, disclose the outside of carriage 20 and bearing block 22, track disk 41 secure bond among the figure; Be provided with bearing 23 in its bottom bracket 22, in bearing 23, penetrate rotating shaft 24,44 welding of these rotating shaft 24 1 ends and locating piece, this locating piece 44 are again with after the locating hole 421 of Rocker arm 42 cooperates, and a tie spacer 45 and a bolt 46 are screwed into the interior and secure bond of the screw 242 of rotating shaft 24 outer faces again.Again, track disk 41 is semilune and tool arc-shaped guide rail 411, guide rail 411 can be divided into two grooves up and down, wherein go up to rail groove 411c, be race 411d down, when track disk 42 with can be after bearing block 22 cooperates for pulley 43 along race 411d wheel rim roll (can consult Fig. 9), and rail groove 411c penetrates Rocker arm 42 lower end elliptical apertures 422 and an elliptical piece 47 after passing for wheel shaft 431 again, and the top with piston axostylus axostyle 52 combines then; The purpose that elliptical aperture 422 and elliptical piece 47 are set is to make the wheel shaft 431 can upper and lower displacements, and this is for making the wheel shaft 431 can be according to the oblique angle displacement when lower dead center 411a, b on moving to guide rail 411, unlikelyly causes blocking.

Secondly, rotating shaft 24 end (please join Fig. 8) in addition is screwed in the screw 32 in smelting tool 30 side axle center 31 with screw rod 241 own, by nut 25 spiral shells are solid smelting tool 30 is combined with rotating shaft 24 again; So when driving rotating shaft 24 rotations by Rocker arm 42, similarly, rotating shaft 24 also can drive axle center 31 simultaneously, and smelting tool 30 is together rotated.

Above according to the good enforcement kenel shown in graphic, the utility model is had been described in detail; But the dealer can carry out various changes in the scope that does not surmount main idea of the present invention, therefore utilize the enforcement kenel of relevant structure such as with the utility model, as long as the various change embodiment in not exceeding the utility model main idea scope all should be contained in the category that belongs to the utility model.Again by the enforcement of above-mentioned the utility model, really can reach good transmission effect, assemble smelting tool and avoid smelting tool axle center to produce advantages such as off-centre fast, owing to meet novelty and progressive important document, apply for a patent in accordance with the law the whence.

Claims

1, a kind of Smelting tool die frame is characterized in that: this mould bases comprises:

One pedestal;

One carriage, the support body that is located on the pedestal and can horizontally rotates;

One smelting tool is installed on the carriage and can overturns, die holder that again can holding workpiece;

One rocker arm body, the mechanism that is located at the carriage sidewall and the smelting tool is overturn; Form by the pulley that a track disk, is located at the rocking arm lower end with the coaxial rocking arm and in smelting tool axle center;

One driving mechanism, be one with rocker arm body with being located at the pneumatic cylinder of carriage sidewall, its piston rod top combines with rocking arm;

Make piston rod drive the rocking arm swing during pneumatic cylinder action, and make the pulley of rocking arm lower end follow the guide rail rolling of track disk, and make the smelting tool generation rotation coaxial, advance so that the upset of smelting tool with rocking arm.

2, Smelting tool die frame as claimed in claim 1 is characterized in that: at the carriage sidewall one elastic mechanism that is used for pushing tow driving mechanism top is set.

3, Smelting tool die frame as claimed in claim 2 is characterized in that: elastic mechanism be the sleeve, that is fixed on the carriage sidewall shuttle back and forth push rod in sleeve, together be located in the sleeve and the spreader spring that is used to promote push rod combines.

4, Smelting tool die frame as claimed in claim 2 is characterized in that: elastic mechanism can be and one is fixed on the cross bar of carriage sidewall, a string spreader spring that is located at cross bar combines.

5, Smelting tool die frame as claimed in claim 1 is characterized in that: track disk is the semilune piece with arc-shaped guide rail, and guide rail system supplies the wheel shaft of rocking arm and pulley room to pass.

6, Smelting tool die frame as claimed in claim 5 is characterized in that: have race in the bottom surface of track disk and communicate with guide rail, race can make pulley follow the groove edge to roll, and limits its rolling scope.

7, Smelting tool die frame as claimed in claim 1, it is characterized in that: track disk and bearing block are fixed on the carriage upper end, has bearing in the bearing block, be provided with rotating shaft in the bearing, and fixing a positioning block in the outer face of rotating shaft, this locating piece cooperates with the locating hole of rocking arm again, and a tie spacer and a bolt are screwed in the screw of rotating shaft outer face and secure bond then.