CN111014478A - Small-size hem device - Google Patents
Small-size hem device Download PDFInfo
- Publication number
- CN111014478A CN111014478A CN201911399301.5A CN201911399301A CN111014478A CN 111014478 A CN111014478 A CN 111014478A CN 201911399301 A CN201911399301 A CN 201911399301A CN 111014478 A CN111014478 A CN 111014478A
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- connecting rod
- rod
- pressing
- transmission connecting
- sliding groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
- B21D39/021—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of automobile edge covering, in particular to a small-sized edge folding device which comprises a supporting seat, wherein two positioning rods, a switching rod and a guide rod which are parallel to each other are fixedly connected to the supporting seat, and the positioning rods, the switching rod and the guide rod are respectively positioned on three vertexes of a triangle; the positioning rod is rotatably connected with a driving piece, the driving piece is rotatably connected with a transmission connecting rod, the side wall of the transmission connecting rod is rotatably connected to the adapter rod, one end, away from the driving piece, of the transmission connecting rod is rotatably connected with a pressing connecting rod, a sliding groove is formed in the pressing connecting rod and arranged along the length direction of the pressing connecting rod, and the guide rod penetrates through the sliding groove and is in sliding connection with the sliding groove; one end of the pressing connecting rod, which is far away from the transmission connecting rod, is connected with a pressing knife for wrapping. When the pressing knife is used for edge covering, the moving radian of the pressing knife is small, and the size of the whole edge folding device is small, so that the problem that the narrow space in a white vehicle body cannot be smoothly covered by a robot edge covering machine in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of automobile edge wrapping, in particular to a small edge folding device.
Background
Due to the design requirement of a body-in-white, when the body-in-white is subjected to edge covering operation, a special robot edge covering machine is usually used for a common area of the body-in-white to quickly finish the edge covering operation, so that the edge to be covered originally is pressed to an edge covering molded surface from an initial position, therefore, the body type of the robot edge covering machine is generally large, when the robot edge covering machine meets an edge covering part with a corner or a small moving space, the robot edge covering machine cannot extend to a corresponding position to carry out the edge covering operation, for example, edge covering requirements are respectively arranged at an AB column and a BC column at the back of a front door, but the positions of the AB column and the BC column are narrow and are influenced by a door window, so when the area is subjected to edge covering by the robot edge covering machine in the prior art, the body type of the existing robot edge covering machine is large, the swing radian of a pressing knife is large, on, on the other hand, there is not enough space for the pressing knife to swing, so that the pressing knife cannot enter the region for edge covering, therefore, in the prior art, the common method for the narrow positions or the corner positions is to use no edge covering or half edge covering, after the positions are sealed by using the sealant, in the process of using the automobile, the sealant in the region is easy to lose efficacy due to the fact that the region cannot be well covered by the edge, so that external rainwater permeates into the automobile to influence the automobile, and therefore, a device capable of carrying out edge covering on the region where the pressing knife cannot be covered by the edge of the robot edge covering machine, such as the corner of the automobile body, is necessary to be designed.
Disclosure of Invention
The invention aims to provide a small-sized edge folding device, which solves the problem that in the prior art, a narrow space of a body in white cannot be smoothly folded by a robot folding machine.
The scheme is basically as follows: a small-sized edge folding device comprises a supporting seat, wherein two positioning rods, a switching rod and a guide rod which are parallel to each other are fixedly connected to the supporting seat, and the positioning rods, the switching rod and the guide rod are respectively positioned on three vertexes of a triangle; the positioning rod is rotatably connected with a driving piece, the driving piece is rotatably connected with a transmission connecting rod, the side wall of the transmission connecting rod is rotatably connected to the adapter rod, one end, away from the driving piece, of the transmission connecting rod is rotatably connected with a pressing connecting rod, a sliding groove is formed in the pressing connecting rod and arranged along the length direction of the pressing connecting rod, and the guide rod penetrates through the sliding groove and is in sliding connection with the sliding groove; one end of the pressing connecting rod, which is far away from the transmission connecting rod, is connected with a pressing knife for wrapping.
The principle of the invention is as follows: the side wall of the transmission connecting rod is rotatably connected to the adapter rod, and when the transmission connecting rod is subjected to external force, the transmission connecting rod can rotate around the adapter rod; the driving connecting rod is rotationally connected to the driving piece, the driving piece provides power for the rotation of the driving connecting rod, and the driving piece is rotationally connected to the positioning rod, so that the driving piece can rotate around the positioning rod when driving the driving connecting rod to rotate; when the transmission connecting rod rotates, the transmission connecting rod drives the pressing connecting rod to rotate simultaneously, a sliding groove is formed in the pressing connecting rod, the guide rod penetrates through the sliding groove and is in sliding connection with the sliding groove, when the pressing connecting rod rotates, the sliding groove and the guide rod slide relatively, the guide rod is matched with the sliding groove, the pressing connecting rod swings according to a certain path, the pressing knife fixedly connected to one end of the pressing connecting rod is far away from the transmission connecting rod and swings according to a certain radian, and the pressing knife completes edge covering operation on a white automobile body in the swinging process.
In the process of edge covering, the positioning rod, the adapter rod and the guide rod are respectively positioned on three vertexes of a triangle, and the driving piece can rotate around the positioning rod in the process of driving the transmission connecting rod to rotate, so that the included angle between the driving piece and the transmission connecting rod is reduced when the driving piece drives the transmission connecting rod to rotate; when the transmission connecting rod rotates around the connecting rod, the transmission connecting rod drives the pressing connecting rod to rotate, the guide rod and the sliding groove are interacted in the swinging process of the pressing connecting rod, so that the pressing knife finishes the edge covering operation, and the driving piece, the transmission connecting rod and the pressing connecting rod can finish power transmission in a very narrow space, so that the pressing knife can finish edge covering in a small range.
Has the advantages that:
one is applicable to narrow and small space bordure: in the application, 1, the positioning rod, the adapter rod and the guide rod are respectively positioned on three vertexes of a triangle, and the driving piece is rotatably connected to the positioning rod, so that when the driving piece drives the transmission connecting rod to rotate, the driving piece and the transmission connecting rod are close to each other and cannot be away from each other, so that the structure volume is increased; 2. the side wall of the transmission connecting rod is rotatably connected to the connecting rod, and when the transmission connecting rod rotates under the driving action of the driving piece, the rotating connection point of the transmission connecting rod and the pressing connecting rod rotates towards the inside of a triangle formed by the positioning rod, the adapter rod and the guide rod; 3. because the sliding groove is formed in the pressing connecting rod, when the pressing connecting rod swings under the driving of the transmission connecting rod, one end of the pressing connecting rod, which is used for fixing the pressing knife, does not simply rotate around a fixed point, but rotates according to a certain radian, and the swinging radian of the pressing knife is smaller after the pressing knife swings to the edge covering molded surface after edge covering is completed. From above 1-3 main points analysis can know, when utilizing the pressing sword of this application to bordure, the rotation process of driving piece, transmission connecting rod and pressing the connecting rod can not make the volume increase of whole hem device how much, and the operation of borduring can be accomplished to very little swing radian of pressing sword moreover, so hem device in this application is applicable to borduring in narrow and small space very much, can solve among the prior art problem that the robot taping machine can't carry out effective borduring to the turning of white automobile body and all the other narrow and small spaces.
The edge covering quality of the pressing knife is improved: compared with the situation that the pressing knife is directly fixed on one connecting rod, and then the driving piece is directly utilized to drive the connecting rod to rotate so that the pressing knife rotates according to the circular arc track to finish edge covering, because the edge to be covered is perpendicular to the state of the molded surface of the edge to be finally pressed to be covered, the rotating radian of the pressing knife is large, the change of the included angle between the pressing knife and the edge to be covered is relatively quick, and the edge to be covered is bent too fast, so that the situation that the edge covering is not in place after the edge covering is easily generated. In this application, when the pressing tool is followed and is pressed the connecting rod swing, the pressing tool is gentler with by the limit contact process of borduring for it is better to bordure back shaping quality.
Furthermore, when the pressing knife moves to the edge-covering molded surface, three points of a rotating connection point of the transmission connecting rod and the adapter rod, a rotating connection point of the transmission connecting rod and the pressing connecting rod and a connection point of the fixed rod and the sliding groove in the pressing connecting rod are positioned on the same straight line.
When the pressing knife moves to the edge covering molded surface, the three points of the rotating connection point of the transmission connecting rod and the transfer rod, the rotating connection point of the transmission connecting rod and the pressing connecting rod and the connection point of the fixed rod and the sliding groove in the pressing connecting rod are located on the same straight line, so that the transmission connecting rod and the pressing connecting rod reach a self-locking state, the edge covering stability of the device is improved, and the edge covering quality is better.
Further, the driving piece comprises a driving cylinder, and a cylinder barrel of the driving cylinder is connected with the positioning rod.
Compared with the method that an electric push rod or a stepping motor is used as a driving piece, the stepping motor has higher precision guarantee, but the quality and the size of the stepping motor are larger, and the method is not suitable for arrangement in narrow space. In this scheme, will drive actuating cylinder as the driving piece, the volume that drives actuating cylinder is less, the installation and the use in the narrow and narrow hole of being convenient for, and the control that drives actuating cylinder simultaneously is simpler, convenient operation.
Furthermore, a guide sleeve is sleeved on the guide rod and is in sliding connection with the inner wall of the sliding groove, and the sliding connection surface of the guide sleeve and the sliding groove is in surface contact.
Compared with the guide rod, when the guide rod slides along the sliding groove, the contact area between the guide rod and the sliding groove is small, so that the guide rod is seriously abraded. In this scheme, the guide pin bushing is established to the cover on the guide bar, guide pin bushing and spout inner wall sliding connection, and the sliding connection face of guide pin bushing and spout is face contact for area of contact increases, makes wearing and tearing alleviate and is favorable to bigger moment transmission, thereby makes the pressing sword accomplish smoothly and bordures.
Furthermore, an adjusting mechanism for adjusting the angle of the pressing knife is arranged between the supporting seat and the pressing knife.
An adjusting mechanism for adjusting the angle of the pressing knife is arranged between the supporting seat and the pressing knife, so that the pressure angle between the pressing knife and the edge to be covered can be adjusted in the process of rotating along with the pressing connecting rod, and the covering of the pressing knife is smoother; simultaneously, adjustment mechanism sets up between supporting seat and tucking tool, through adjustment mechanism's connection for the tucking tool is at the in-process of borduring, and the supporting seat can provide certain pulling force to the tucking tool through adjustment mechanism, thereby makes the tucking tool obtain bigger power of borduring when borduring, is favorable to further reducing the size that drives actuating cylinder, thereby makes the space that the hem device occupy littleer, can conveniently bordure the operation to narrow and small space in the white automobile body more.
Furthermore, the transmission connecting rod or the pressing connecting rod is fixedly connected with a limiting block, the supporting seat is fixedly connected with a blocking piece, and the blocking piece is located on a rotating path of the limiting block.
Compared with the situation that the rotation of the transmission connecting rod and the pressing connecting rod is not limited, when the driving cylinder drives the transmission connecting rod and the pressing connecting rod to rotate, the situation that the white body deforms and is damaged due to the fact that the pressing knife continues to apply pressure to the white body after the edge to be covered is pressed to the surface of the covered edge can occur. In this scheme, on the transmission connecting rod or press the connecting rod on fixed connection stopper, and fixed connection stops the piece on the supporting seat, when pressing down connecting rod drive tucker and moving to the completion when borduring, the stopper follows the transmission connecting rod or presses the connecting rod and rotate to the state that offsets with stopping to prevent that the tucker from continuing to exert pressure to the automobile body in white, effectively protect the automobile body in white.
Furthermore, the limiting block is positioned on the transmission connecting rod.
Compare in and set up the stopper on pressing the connecting rod, when the die-cutting sword moved the profile of borduring, the stopper with block when touching, because block the effect of keeping out of stopper, probably cause the mechanical oscillation who presses connecting rod and die-cutting sword for borduring of die-cutting sword receives the influence. In this scheme, set up the stopper on transmission connecting rod, reduce because of the stopper with block the contact and to borduring the influence that produces.
Further, block piece and include fixed plate and ejector pin, fixed plate fixed connection is on the supporting seat, and ejector pin swing joint is on the fixed plate.
With fixed plate fixed connection on the supporting seat, the relative backup pad in position that makes the fixed plate is fixed, and ejector pin and fixed plate swing joint for the ejector pin can be adjusted to suitable position, thereby when making stopper and ejector pin contact, the die-cutting tool just moves the profile of borduring, makes the ejector pin spacing more accurate to the stopper.
Further, the supporting seat includes two preceding curb plates and the posterior lateral plate of mutual parallel arrangement in backup pad and the fixed connection backup pad, and locating lever, switching pole and guide bar all are located between preceding curb plate and the posterior lateral plate.
Compared with the mode that the positioning rod, the switching rod and the guide rod are fixedly connected to one block of plate, the positioning rod, the switching rod and the guide rod can deform when stressed, and the edge covering precision is affected. In this scheme, curb plate and posterior lateral plate are fixed locating lever, switching pole and guide bar before utilizing for locating lever, switching pole and guide bar can be fixed more steadily, thereby guarantee the precision of borduring.
Furthermore, a spacing groove is formed in the supporting plate, and the output end of the driving cylinder can extend to the lower side of the spacing groove.
Open in the backup pad and keep away the groove for the output that drives actuating cylinder can extend to and keep away a groove below, thereby makes preceding curb plate and rear side plate size reduce, is favorable to making the volume reduction of whole hem device.
Drawings
Fig. 1 is a schematic view of a small-sized hemming device according to an embodiment of the present invention.
Fig. 2 is a schematic view of fig. 1 after the front side plate is hidden.
Fig. 3 is a cross-sectional view taken along a-a in fig. 1.
Figure 4 is a schematic view of the knife of figure 1 after the hidden front plate has been moved to the binding profile.
FIG. 5 is a schematic view of a small-sized hemming device according to a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a bottom plate 1, a front side plate 2, a rear side plate 3, an adapter rod 4, a guide rod 5, a guide pillar 6, a driving cylinder 7, a positioning seat 8, a transmission connecting rod 9, a pressing connecting rod 10, a sliding groove 11, a guide sleeve 12, a pressing knife 13, a fixing plate 14, an ejector rod 15, a limiting block 16 and a pull rod 17.
Example one
In the first embodiment, as shown in fig. 1, 2, 3 and 4, a small-sized edge folding device includes a supporting base, the supporting base includes a bottom plate 1, and a front side plate 2 and a rear side plate 3 which are located on the top surface of the bottom plate 1 and close to the front and rear sides of the bottom plate 1, and the front side plate 2 and the rear side plate 3 are both vertically arranged and are both fixedly connected with the bottom plate 1 by welding.
As shown in fig. 2, two positioning rods, an adapter rod 4 and a guide rod 5 which are parallel to each other are arranged between the front side plate 2 and the rear side plate 3, each positioning rod comprises two positioning seats 8, the two positioning seats 8 are fixedly connected to the front side plate 2 and the rear side plate 3 through screws respectively, a guide pillar 6 extending between the front side plate 2 and the rear side plate 3 is integrally formed on each positioning seat 8, and the projections of the guide pillar 6, the adapter rod 4 and the guide rod 5 on the bottom plate 1 are respectively located on three vertexes of a triangle; the guide post 6 is connected with a driving piece, in the embodiment, the driving piece comprises a driving cylinder 7, and a pin shaft is formed between the position, close to the front end, of a cylinder barrel of the driving cylinder 7 and the guide post 6 in a matched mode, so that the cylinder barrel of the driving cylinder 7 can rotate around the guide post 6; meanwhile, in order to enable the output shaft of the driving cylinder 7 to extend smoothly, the right end of the bottom plate 1 is provided with a clearance groove, so that the output shaft of the driving cylinder 7 can extend to the space below the bottom plate 1.
As shown in fig. 1 and fig. 2, the front side of the adapter rod 4 protrudes out of the front side plate 2, the rear side of the adapter rod 4 protrudes out of the rear side plate 3, and the front side plate 2 and the rear side plate 3 are respectively fixedly connected with a limiting piece through a screw, and the adapter rod 4 is fixed between the front side plate 2 and the rear side plate 3 by the two limiting pieces; with reference to fig. 2 and 3, the transfer rod 4 is provided with a transmission connecting rod 9, the transmission connecting rod 9 is provided with a round hole matched with the transfer rod 4, so that the transmission connecting rod 9 is rotatably connected to the transfer rod 4, the output shaft of the driving cylinder 7 is obliquely arranged towards the lower right, and the output end of the driving cylinder 7 is rotatably connected with the lower end of the transmission connecting rod 9 through a pin shaft.
As shown in fig. 2, the upper end of the transmission link 9 is rotatably connected with a pressing link 10 by a pin connection manner, the pressing link 10 is provided with a chute 11 along the length direction of the pressing link 10, the guide rod 5 penetrates through the chute 11 and can slide along the chute 11, and in combination with fig. 3, the guide rod 5 is sleeved with a guide sleeve 12, and the cross section of the guide sleeve 12 is square, so that the outer side of the guide sleeve 12 is in surface contact with the inner wall of the chute 11; as shown in fig. 2, a pressing blade 13 is fixedly connected to an upper end of the pressing link 10 by a screw.
As shown in the combined drawings of fig. 1 and 2, a blocking piece is arranged between the front side plate 2 and the rear side plate 3 and comprises a fixing plate 14 and an ejector rod 15, the fixing plate 14 is fixedly connected between the front side plate 2 and the rear side plate 3 through screws, a threaded hole is formed in the fixing plate 14, an external thread in threaded fit with the threaded hole is formed in the outer side of the ejector rod 15, and meanwhile, a limiting block 16 which can abut against the ejector rod 15 is integrally formed on the transmission connecting rod 9.
The specific implementation mode is as follows:
when the edge covering is started, as shown in fig. 1 and fig. 2, the output shaft of the driving cylinder 7 is contracted in the cylinder barrel, and the pressing knife 13 is far away from the edge covering position; when the edge is required to be covered, as shown in fig. 2, the output shaft of the driving cylinder 7 extends, the driving cylinder 7 pushes the transmission connecting rod 9 to rotate anticlockwise around the connecting rod 4, and when the output shaft of the driving cylinder 7 extends, the driving cylinder 7 rotates clockwise around the guide post 6; when the transmission connecting rod 9 rotates anticlockwise, the upper end of the transmission connecting rod 9 drives the lower end of the pressing connecting rod 10 to swing leftwards, under the matching effect of the guide sleeve 12 and the sliding groove 11, the lower end of the pressing connecting rod 10 swings leftwards, the pressing connecting rod 10 can slide leftwards and downwards relative to the guide sleeve 12, the upper end of the pressing connecting rod 10 can also move downwards for a certain distance in the vertical direction while swinging rightwards, the pressing knife 13 gradually moves to the position of the edge-covering molded surface, and the pressing knife 13 is used for edge-covering operation of the white automobile body.
As shown in fig. 4, when the pressing blade 13 moves to the edge covering molded surface, three points of the rotation connection point of the adapter rod 4 and the transmission connecting rod 9, the rotation connection point of the transmission connecting rod 9 and the pressing connecting rod 10, and the connection point of the guide rod 5 and the pressing connecting rod 10 are located on the same straight line, so that the transmission connecting rod 9 and the pressing connecting rod 10 form self-locking, the link mechanism formed by the transmission connecting rod 9 and the pressing connecting rod 10 is more stable, the pressing blade 13 can conveniently obtain enough edge covering force, and stable edge covering of the pressing blade 13 is facilitated. Meanwhile, when the pressing blade 13 rotates to the edge-covered profile as shown in fig. 4, the ejector rod 15 abuts against the limiting block 16, so that the driving link 9 is prevented from rotating continuously and the pressing blade 13 is prevented from continuously pressing the body-in-white to damage the body-in-white.
Example two
The difference between the second embodiment and the first embodiment is that: as shown in fig. 5, the front side plate 2 and the rear side plate 3 are both provided with a pull rod 17, and taking the pull rod 17 provided on the front side plate 2 as an example, the left end of the pressing knife 13 is rotatably connected to the upper end of the pressing link 10 through a pin, the lower end of the pull rod 17 is rotatably connected to the inner wall of the front side plate 2 through a pin, and the upper end of the pull rod 17 is hinged to the side wall of the pressing knife 13.
When the output shaft of the driving cylinder 7 pushes the transmission connecting rod 9 to rotate, so that the transmission connecting rod 9 drives the pressing connecting rod 10 to swing, the pressing knife 13 rotatably connected with the upper end of the pressing connecting rod 10 realizes edge covering operation on narrow space and corners of a white automobile body in the swinging process; meanwhile, in the process that the pressing knife 13 rotates along with the pressing connecting rod 10, because the pressing connecting rod 10 can also slide relative to the guide rod 5, at this time, in the process that the pressing knife 13 moves along with the pressing connecting rod 10, under the action of the tension of the pull rod 17, the included angle between the pressing knife 13 and the axis of the pressing connecting rod 10 is continuously reduced, that is, in the process that the pressing connecting rod 10 swings, the included angle between the pressing knife 13 and the pressing connecting rod 10 is continuously changed, in the motion process of the pressing knife 13, the pull rod 17 can provide the tension effect on the pressing knife 13, so that part of the pressing knife 13 in the edge covering process is extruded from the tension of the pull rod 17, the lower end of the pull rod 17 is rotatably connected to the front side plate 2, the front side plate 2 is welded with the bottom plate 1, therefore, when the pressing knife 13 is in edge covering, part of the pressing knife 13 pressure on the white car body comes from the front side plate 2, so that the acting force, the volume of the driving cylinder 7 is reduced, the volume of the whole edge folding device is further reduced, and the edge folding operation of the narrow space of the body-in-white is more conveniently realized.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a small-size hem device, includes supporting seat, its characterized in that: the supporting seat is fixedly connected with a positioning rod, a switching rod and a guide rod which are parallel to each other in pairs, and the positioning rod, the switching rod and the guide rod are respectively positioned on three vertexes of a triangle; the positioning rod is rotatably connected with a driving piece, the driving piece is rotatably connected with a transmission connecting rod, the side wall of the transmission connecting rod is rotatably connected with the switching rod, one end, away from the driving piece, of the transmission connecting rod is rotatably connected with a pressing connecting rod, a sliding groove arranged along the length direction of the pressing connecting rod is formed in the pressing connecting rod, and the guide rod penetrates through the sliding groove and is in sliding connection with the sliding groove; one end of the pressing connecting rod, which is far away from the transmission connecting rod, is connected with a pressing knife for wrapping.
2. A compact hemming device according to claim 1 wherein: when the pressing knife moves to the edge-covering molded surface, three points of a rotating connection point of the transmission connecting rod and the adapter rod, a rotating connection point of the transmission connecting rod and the pressing connecting rod and a connection point of the fixed rod and the sliding groove in the pressing connecting rod are positioned on the same straight line.
3. A compact hemming device according to claim 2 wherein: the driving piece comprises a driving cylinder, and a cylinder barrel of the driving cylinder is connected with the positioning rod.
4. A compact hemming device according to claim 3 wherein: the guide rod is sleeved with a guide sleeve, the guide sleeve is in sliding connection with the inner wall of the sliding groove, and the sliding connection surface of the guide sleeve and the sliding groove is in surface contact.
5. A compact hemming device according to any of claims 1 to 4 wherein: and an adjusting mechanism for adjusting the angle of the pressing knife is arranged between the supporting seat and the pressing knife.
6. A compact hemming device according to claim 5 wherein: the transmission connecting rod or the pressing connecting rod is fixedly connected with a limiting block, the supporting seat is fixedly connected with a blocking piece, and the blocking piece is located on a rotating path of the limiting block.
7. A compact hemming device according to claim 6 wherein: the limiting block is positioned on the transmission connecting rod.
8. A compact hemming device according to claim 7 wherein: the blocking piece comprises a fixing plate and an ejector rod, the fixing plate is fixedly connected to the supporting seat, and the ejector rod is movably connected to the fixing plate.
9. A compact hemming device according to claim 8 wherein: the supporting seat comprises a supporting plate and a front side plate and a rear side plate which are fixedly connected with the supporting plate and are arranged in parallel, and the positioning rod, the switching rod and the guide rod are located between the front side plate and the rear side plate.
10. A compact hemming device according to claim 9 wherein: the support plate is provided with a spacing groove, and the output end of the driving cylinder can extend to the lower part of the spacing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399301.5A CN111014478A (en) | 2019-12-30 | 2019-12-30 | Small-size hem device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399301.5A CN111014478A (en) | 2019-12-30 | 2019-12-30 | Small-size hem device |
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| Publication Number | Publication Date |
|---|---|
| CN111014478A true CN111014478A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911399301.5A Pending CN111014478A (en) | 2019-12-30 | 2019-12-30 | Small-size hem device |
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| CN (1) | CN111014478A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077219A (en) * | 2020-07-08 | 2020-12-15 | 安徽巨一科技股份有限公司 | Table type covering machine knife pressing device based on sectional control principle |
| CN115138736A (en) * | 2022-06-28 | 2022-10-04 | 东风汽车股份有限公司 | Powerful reinforcement angle pre-wrapping mechanism driven by air cylinder |
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| CN112077219A (en) * | 2020-07-08 | 2020-12-15 | 安徽巨一科技股份有限公司 | Table type covering machine knife pressing device based on sectional control principle |
| CN115138736A (en) * | 2022-06-28 | 2022-10-04 | 东风汽车股份有限公司 | Powerful reinforcement angle pre-wrapping mechanism driven by air cylinder |
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Application publication date: 20200417 |