阅读说明：本技术 一种汽车滚边装置 (Automobile trimming device ) 是由 谢陈阳 朱家伟 董双龙 王文亮 张超 吴丁磊 于 2021-07-19 设计创作，主要内容包括：本发明提供了一种汽车滚边装置,属于机械技术领域。它解决了现有汽车的滚边装置无法在保证滚边精度的同时保证驱动件的稳定性的问题。本汽车滚边装置,包括壳体和用于钣金滚边的滚边头,滚边头通过导轨组件滑动连接在壳体内,壳体内还固定有能够驱动滚边头滑动的驱动件,壳体内还固定有支撑气缸,支撑气缸的活塞杆沿导轨组件的长度方向设置并与滚边头相连接,导轨组件位于驱动件的侧部并靠近驱动件。支撑气缸抵消滚边头在倾斜状态时产生的重力分力,导轨组件和支撑气缸配合支撑滚边头,限制滚边头在滚边工作中的倾斜角度,使驱动件稳定受力,保证驱动件的稳定性。(The invention provides an automobile trimming device, and belongs to the technical field of machinery. The automobile trimming device solves the problem that the existing automobile trimming device cannot guarantee the stability of a driving piece while guaranteeing the trimming precision. This car border device, including the casing with be used for the panel beating border the border head, the border head passes through guide rail assembly sliding connection in the casing, still is fixed with in the casing and can drives the first gliding driving piece of border, still is fixed with the support cylinder in the casing, the piston rod of support cylinder sets up and is connected with the border head along guide rail assembly's length direction, the guide rail assembly is located the lateral part of driving piece and is close to the driving piece. The support cylinder offsets the gravity component force generated by the binding head in an inclined state, and the guide rail assembly and the support cylinder are matched with the support binding head to limit the inclination angle of the binding head in binding work, so that the driving piece is stressed stably, and the stability of the driving piece is ensured.)

1. The utility model provides an automobile binding device, includes casing (1) and binding head (2) that are used for the panel beating border, binding head (2) are through guide rail set spare sliding connection on casing (1), still be fixed with on casing (1) and can drive gliding driving piece (3) of binding head (2), its characterized in that, still be fixed with on casing (1) and support cylinder (4), the piston rod of support cylinder (4) sets up and is connected with binding head (2) along the length direction of guide rail set spare, the guide rail set spare is located the lateral part of driving piece (3) and is close to driving piece (3).

2. The automotive trimming device according to claim 1, wherein the trimming head (2) comprises a block-shaped adjusting seat (2a), the number of the guide rail assemblies and the number of the supporting cylinders (4) are two, the two supporting cylinders (4) are respectively arranged on two opposite sides of the adjusting seat (2a), and the two guide rail assemblies are respectively arranged on the same side of the two supporting cylinders (4).

3. The automotive binding device according to claim 2, characterized in that one end of the adjustment seat (2a) has a protruding and elongated mounting portion (2a1), the protruding end of the mounting portion (2a1) has a recessed cavity (2a2), the driving member (3) is located in the cavity (2a2), the guide rail assembly comprises guide rails (5), and the two guide rails (5) are respectively fixedly arranged on the mounting portion (2a1) along the length direction of the mounting portion (2a1) and located on two sides of the driving member (3).

4. The automotive trimming device according to claim 3, wherein the trimming head (2) further comprises a working head (2b) provided with a plurality of groups of trimming wheels (6), the working head (2b) is slidably arranged on an adjusting seat (2a), one end of the adjusting seat (2a) provided with a mounting part (2a1) is fixedly provided with a force multiplication cylinder (7) capable of driving the working head (2b) to slide, the force multiplication cylinder (7) is positioned at the side part of the mounting part (2a1), and two supporting cylinders (4) are respectively arranged at two sides of the force multiplication cylinder (7).

5. The automotive trimming device according to claim 4, characterized in that the working head (2b) is located at the opposite end of the adjusting seat (2a) on which the mounting portion (2a1) is provided, and the piston rod of the support cylinder (4) is fixed on the adjusting seat (2a) near the working head (2 b).

6. The automotive hemming device according to claim 4, wherein the driving member (3) has two output shafts (3a) which are arranged opposite to each other, one output shaft (3a) of the driving member (3) is located in the cavity (2a2) and connected with the inner bottom surface of the cavity (2a2), the other output shaft (3a) of the driving member (3) extends out of the cavity (2a2) and is connected with the cylinder body of the double-force cylinder (7), and when one output shaft (3a) of the driving member (3) outputs power, the other output shaft (3a) stops outputting power.

7. The automobile binding device according to claim 4, 5 or 6, characterized in that a telescopic stabilizer bar (8) is fixedly arranged on the adjusting seat (2a), the telescopic direction of the stabilizer bar (8) is the same as the driving direction of the double-force cylinder (7), and the other end of the stabilizer bar (8) is fixedly connected with the working head (2 b).

8. The automobile binding device according to any one of claims 2 to 6, characterized in that a zero position sensor (9) is fixedly arranged on an outer side surface of the adjusting seat (2a), a long-strip-shaped long hole (1a) is formed in one side surface of the housing (1) along the length direction of the guide rail assembly in a penetrating manner, the zero position sensor (9) penetrates through the long hole (1a) and can slide in the long hole (1a) under the driving of the adjusting seat (2a), and an overtravel sensor (10) which can transmit signals with the zero position sensor (9) and can give an alarm is fixedly arranged on the housing (1).

Technical Field

The invention belongs to the technical field of machinery, and relates to an automobile trimming device.

Background

The side door opening area of a motor vehicle is an important part of the vehicle body. The structure of panel beating in the outer panel beating parcel of general adoption, wherein outer panel beating adopts aluminium system material, and interior panel beating adopts steel material. The spot welding connection or SPR self-punching riveting connection mode which is most commonly adopted for assembling the side wall door opening area in the prior art cannot be applied to the structure of an aluminum outer plate wrapping an inner plate, and the SPR self-punching riveting connection is limited by the overlapping width and thickness of the door opening area and cannot work well.

The edge covering process can be considered to be adopted for edge covering, and the edge rolling is used as one of the edge covering processes, and the edge rolling device connected with the mechanical arm is adopted for rolling the folded edge of the outer metal plate and wrapping the inner metal plate to realize assembly. The edge rolling device is a device for performing edge folding and rolling on the outer metal plate.

Such as chinese patent application No.: 202011432919 discloses a gas servo flight binding tool, including the exterior mounting seat that has the cavity and the work base member of installing a plurality of gyro wheels, the exterior mounting seat links to each other with the arm, the exterior mounting seat internal fixation is provided with first cylinder, link to each other through strain sensor between the guide arm of first cylinder and the work base member, the last slip of work base member sets up in the exterior mounting seat, be connected with first proportional valve on the first cylinder, first proportional valve is connected with the valve island, first cylinder, strain sensor, first proportional valve and valve island constitute a set of closed loop's gas servo system.

When the trimming tool is used, the strain sensor senses the pressure applied to a sheet metal workpiece by the working base body, the strain sensor transmits a signal to the valve island, the signal is transmitted to the first proportional valve through the valve island output module, the first proportional valve compares the force, the air pressure of the first air cylinder is adjusted to achieve a force balance state, and the trimming precision can be improved after the force is balanced.

However, in the above-mentioned binding tool, in the posture adjustment state of the mechanical arm to the binding tool and in the binding working state, the binding tool is adjusted by the first cylinder to realize force balance, because the self-weight of the working base body is larger, the working base body is also provided with a plurality of rollers, the rollers can increase the weight of the working base body, the first cylinder always keeps larger bearing force, which can affect the self-adjustment precision, can cause uneven binding track and poor binding precision; and be provided with a plurality of groups of gyro wheel on the working substrate body, every group gyro wheel orientation is inconsistent, and the working substrate body can be because the different slopes that take place of direction of force when carrying out the border, and the working substrate body continues to carry out the border work under the tilt state, and the guide arm of first cylinder can be stressed and take place wearing and tearing, crooked fracture even, influences the stability of first cylinder.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an automobile binding device, which aims to solve the technical problems that: the existing automobile trimming device can not ensure the stability of a driving piece while ensuring the trimming precision.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an automobile binding device, includes the casing and is used for the binding head of panel beating binding, the binding head passes through guide rail set spare sliding connection on the casing, still be fixed with on the casing and can drive the gliding driving piece of binding head, a serial communication port, still be fixed with the support cylinder on the casing, the piston rod of support cylinder sets up and is connected with the binding head along guide rail set spare's length direction, the guide rail set spare is located the lateral part of driving piece and is close to the driving piece.

When the rolling head is influenced by the surface roughness of the metal plate to generate fluctuation to influence the rolling track in the rolling working state, the driving piece reversely drives the rolling head to slide so that the rolling track of the rolling head returns to an ideal track, namely the driving piece is used for adjusting the real-time position of the rolling head in the rolling working state. The supporting cylinder in the trimming device can offset the gravity component force when the attitude of the trimming device is adjusted, the driving piece is kept stable by matching with the driving piece in the trimming operation, and the guide rail assembly can effectively correct the unbalance of the trimming head caused by uneven stress when the trimming operation is performed so as to ensure the adjustment precision of the driving piece.

Specifically, when the trimming device performs attitude adjustment under the action of the mechanical arm, the trimming head is arranged on the rack in a sliding manner through the guide rail assembly, the trimming head generates a corresponding sliding trend according to attitude change in the adjusting process of the mechanical arm, namely the trimming head generates a gravity component to unbalance the whole trimming device, the acting force for limiting the sliding of the trimming head is reversely increased in real time through the supporting cylinder on the rack according to the actual attitude of the trimming head in the adjusting process, namely the supporting cylinder can counteract the sliding trend of the trimming head, so that the gravity center of the trimming device is always kept at the original position, the gravity component is counteracted, the trimming device is in a balanced attitude, the driving piece is prevented from being influenced by the gravity component, the position of the trimming head can be adjusted in real time by the driving piece in subsequent operation, the trimming head performs trimming on an ideal track, and the flatness of subsequent sheet metal trimming is ensured, the edge rolling precision of the edge rolling device is improved; when the binding head carries out binding work, the driving piece can be adjusted in real time according to the posture of the binding head, the supporting cylinder carries out corresponding adjustment along with the driving piece under the condition of maintaining the stable state of the binding head, the supporting cylinder shares the gravity and the gravity component borne by the driving piece, but does not additionally generate acting force on the binding head, the adjusting precision of the driving piece and the stability of the driving piece are ensured, meanwhile, the supporting cylinder is matched with the guide rail component to form at least two supporting points between the binding head and the shell, the binding head can be limited to incline in the binding work to a certain extent, the output shaft of the driving piece is prevented from being worn or even broken by shearing force due to the incline of the binding head, the guide rail component is used as an auxiliary piece, the driving piece is used as a main part, the movement trend can not be automatically generated, the driving piece can be effectively assisted to work, and the sliding stability of the binding head driven by the driving piece is maintained, and the shearing force applied by the binding head to the output shaft of the driving piece can be shared under the condition that the binding head inclines, so that the stability of the driving piece is ensured.

If the guide rail assembly is replaced by the driving pieces such as the air cylinder and the telescopic motor, the driving of the supporting air cylinder and the driving pieces of the binding device is mainly realized through the guide rail assembly, the requirement on the stroke of the guide rail is met, the driving pieces with large strokes have large mass, the matching precision between the driving pieces and the supporting air cylinder is guaranteed, a control system is more complex, the delay of system control is increased, the gravity component cannot be offset in real time, the binding precision is influenced, the weight of a binding head is increased, and the adjusting precision of the driving pieces is influenced.

In foretell car border device, the border head is including being massive regulation seat, the quantity of guide rail set spare and support cylinder is two, and two support cylinders locate the both sides that carry on the back mutually on the regulation seat respectively, two guide rail set spare sets up with two support cylinder homonymies respectively. This binding device adjusts the gesture to the tilt state under the arm effect, the piston rod of support cylinder can bear the weight of part binding head, the guide rail set up with support cylinder homonymy can effectively share the weight that the piston rod of support cylinder received, reduce the support cylinder load, make support cylinder can the steady operation in order to offset the gravity component of binding head, guarantee the adjustment precision of driving piece in the follow-up binding work, effectively adjust the binding orbit of binding head, and two guide rail set spares and two support cylinders can increase the tie point between binding head and the casing, further restrict binding head and take place the slope at binding during operation, guarantee the stability of driving piece.

In foretell car border device, the one end of adjusting the seat has the protrusion and is long banding installation department, the protrusion end of installation department has recessed cavity, the driving piece is located the cavity, the guide rail subassembly includes the guide rail, two the guide rail is respectively along the fixed both sides that set up on the installation department and be located the driving piece of the length direction of installation department. The guide rail sets up on the installation department of adjusting the seat, make and adjust the seat and can slide the whole position control that carries on of border head relatively to the casing, adjust the seat promptly and be used for adjusting the border orbit and the balanced essential element of power of border head, the driving piece is located and can be made overall structure compacter in the cavity, can make two guide rails set up the both sides at the driving piece respectively again, carry out the border during operation at the border head, the guide rail is at the first slope of restriction border in a certain extent, if the slope is given birth to the border head, two guide rails can share the shearing force that the border head applyed to the output shaft of driving piece in the both sides of driving piece evenly, further guarantee the stability of driving piece. The guide rail assembly further comprises a sliding block fixed on the inner side face of the shell, the sliding block is sleeved on the guide rail in a sliding mode, and sliding fit between the adjusting seat and the shell is achieved. The guide rail component can also be a slide rail fixed on the inner side surface of the shell and a slide block fixed on the mounting part, and the adjusting seat is sleeved on the slide rail through the slide block in a sliding manner so that the adjusting seat is arranged in the shell in a sliding manner.

In the automobile trimming device, the trimming head further comprises a working head provided with a plurality of groups of trimming wheels, the working head is arranged on the adjusting seat in a sliding mode, one end, provided with an installation part, of the adjusting seat is fixedly provided with a power doubling cylinder capable of driving the working head to slide, the power doubling cylinder is located on the side part of the installation part, and the two supporting cylinders are respectively arranged on two sides of the power doubling cylinder. The double-force cylinder drives the trimming head to slide only when the sheet metal is subjected to final trimming, the working head is positioned by self-locking in other states, and the final trimming is the last trimming and is performed at 0-degree trimming. The edge rolling device has the advantages that the plurality of edge rolling wheels are arranged on the working head, the working head needs to carry out edge rolling operation on a metal plate, the double-force air cylinder needs to bear larger weight, and therefore the integral volume and the mass of the double-force air cylinder are relatively larger, the double-force air cylinder can generate larger gravity component force no matter the edge rolling device carries out posture adjustment under the action of the mechanical arm or carries out edge rolling work on the edge rolling head, the supporting air cylinders are arranged on two sides of the double-force air cylinder, so that the peripheral side of the installation position of the double-force air cylinder on the edge rolling head is fully supported by the supporting air cylinders, the edge rolling shape is ensured to be in a balanced posture, the driving piece is prevented from being influenced by the gravity component force, the adjustment precision of the driving piece in subsequent operation is ensured, meanwhile, the driving piece also has a certain supporting effect on the adjusting seat, the driving piece and the two supporting air cylinders are respectively arranged around the double-force air cylinder, and the stability influence of the double-force air cylinder on the adjusting seat is inhibited, the subsequent adjusting precision of the adjusting seat is ensured, and the binding track is matched with the ideal track, so that the binding precision is ensured.

In the automobile trimming device, the working head is positioned at the opposite end of the adjusting seat on which the mounting part is arranged, and the piston rod of the supporting cylinder is fixed on the adjusting seat close to the working head. Due to the arrangement of the working head and the force multiplying cylinder, when final edge rolling is carried out, the working head can move under the action of the force multiplying cylinder and can fluctuate during edge rolling operation, and the fluctuation of the adjusting seat can also be driven.

In the above-mentioned automobile trimming device, the driving member has two output shafts that are arranged opposite to each other, one of the output shafts of the driving member is located in the concave cavity and connected with the inner bottom surface of the concave cavity, the other output shaft of the driving member extends out of the concave cavity and is connected with the cylinder body of the double-force cylinder, and when one of the output shafts of the driving member outputs power, the other output shaft stops the power output. Two output shafts of the driving piece respectively act on two different parts on the adjusting seat, because the driving piece is fixed on the shell, which is equivalent to increasing the connection point between the shell and the adjusting seat, and the connection point between the shell and the adjusting seat is staggered, the inclination of the binding head caused by uneven stress can be effectively limited, so that the adjusting seat keeps balance in sliding, even when the binding head carries out binding work, the binding head is inclined due to uneven stress, the two output shafts can share the shearing force applied by the binding head to the output shafts of the driving piece, the stability of the driving piece is further ensured, and when one output shaft of the driving piece outputs power, the other output shaft stops power output, so that when one output shaft of the two output shafts works, the output shaft which does not work and assists in working is arranged, and the stability of the sliding of the adjusting seat is ensured, and two output shafts work in turn, reduce the work wearing and tearing of each driving piece output shaft, can also guarantee driving piece self stability to guarantee the adjustment accuracy of driving piece in follow-up border work.

In the automobile trimming device, the adjusting seat is fixedly provided with a telescopic stabilizer bar, the telescopic direction of the stabilizer bar is the same as the driving direction of the double-force cylinder, and the other end of the stabilizer bar is fixedly connected with the working head. The stabilizer bar is stably matched with the force-multiplying cylinder, so that the stability of the working head in sliding can be improved, and the working head can stably move towards the force-multiplying cylinder to roll a workpiece during final-pressing and rolling, so that the smoothness of the rolled edge is ensured.

In foretell car binding device, the fixed zero-position sensor that is provided with on the lateral surface of adjusting the seat, the length direction along the guide rail subassembly is run through to one side of casing and has been seted up and be long banding slot hole, zero-position sensor wears out the slot hole and can slide in the slot hole under the drive of adjusting the seat, the fixed overtravel sensor that is provided with on the casing and can carry out signal transmission and can report to the police with zero-position sensor. When the trimming operation is carried out, the adjusting seat slides to adjust the trimming track of the trimming head, the zero position sensor slides under the driving of the adjusting seat, when the adjusting seat slides beyond a set stroke, the zero position sensor enters the signal transmission range of the over-travel sensor, the over-travel sensor can give an alarm to remind a user of the deviation of the trimming track, and the distance which can be sensed by the over-travel sensor and the zero position sensor is set to be the actually allowable deviation distance of the trimming track in the actual use.

Compared with the prior art, the automobile binding device has the following advantages:

1. the supporting cylinder can offset the gravity component of the binding head, so that the supporting cylinder always effectively supports the binding head, the gravity component borne by the driving piece is reduced, and the driving precision of the driving piece is ensured.

2. The supporting cylinder can support the binding head with the guide rail assembly cooperation, and the inclination of restriction binding head in the binding work prevents that the output shaft of driving piece from receiving the shearing force because the slope of binding head and taking place wearing and tearing and even fracture, guarantees the stability of driving piece to guarantee the drive accuracy of driving piece, and the binding accuracy of binding head.

3. The guide rail assembly and the driving piece are matched, so that the guide rail assembly can effectively share the shearing force applied by the binding head to the output shaft of the driving piece in the inclined state of the binding head, and the stability of the driving piece is ensured.

Drawings

Fig. 1 is a schematic perspective view of the automobile binding apparatus.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic perspective view of the open side housing of the vehicle binding apparatus.

Fig. 4 is a schematic perspective view of the inner structure of the housing of the automobile binding apparatus.

Fig. 5 is a schematic perspective view of the inner structure of the housing of the automobile binding apparatus.

Fig. 6 is a side view of the inner structure of the housing in the present automobile binding apparatus.

Fig. 7 is a sectional view taken along line B-B in fig. 6.

Fig. 8 is a perspective view of the hemming head.

Fig. 9 is a perspective view of the adjusting seat.

In the figure, 1, a housing; 1a, a long hole; 2. a binding head; 2a, an adjusting seat; 2a1, mounting portion; 2a2, cavity; 2b, a working head; 3. a drive member; 3a, an output shaft; 4. a support cylinder; 5. a guide rail; 6. a hemming wheel; 7. a force doubling cylinder; 8. a stabilizer bar; 9. a zero sensor; 10. an overtravel sensor; 11. a slider; 12. and a roller.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

This car binding device, as shown in fig. 3, as shown in fig. 4, including casing 1 and the binding head 2 that is used for the panel beating binding, binding head 2 is including being massive regulation seat 2a and being provided with the working head 2b of a plurality of groups binding wheel 6, the slip setting of regulation seat 2a is in casing 1, working head 2b slides and sets up the outer end at regulation seat 2a, it passes through guide rail assembly sliding connection in casing 1 to adjust seat 2a, still be fixed with in the casing 1 and can drive binding head 2 gliding driving piece 3, still be fixed with support cylinder 4 in the casing 1, support cylinder 4's piston rod sets up and is connected with binding head 2 along the length direction of guide rail assembly, the guide rail assembly is located the lateral part of driving piece 3 and is close to driving piece 3.

As shown in fig. 8 and 3, two opposite sides of the adjusting seat 2a are respectively provided with a supporting cylinder 4 and a guide rail assembly, that is, the trimming device has two supporting cylinders 4 and two guide rail assemblies, the supporting cylinders 4 and the guide rail assemblies are arranged on the same side, and a piston rod of the supporting cylinder 4 is fixed on the outer side surface of the adjusting seat 2a and is arranged close to the working head 2b, so that the situation that the working head 2b drives the adjusting seat 2a to fluctuate synchronously in sliding is reduced, and the guide rail assemblies and the supporting cylinder 4 can be matched to keep the balance of the adjusting seat 2 a.

Specifically, as shown in fig. 3 and 4, each guide rail assembly includes an elongated guide rail 5 and a slider 11 slidably disposed on the guide rail 5, the inner end of the adjusting seat 2a has a protruding and elongated mounting portion 2a1, the two guide rails 5 are fixedly disposed on two outer side surfaces of the mounting portion 2a1 opposite to each other along the length direction of the mounting portion 2a1, the slider 11 is fixedly disposed on an inner side surface of the housing 1, the housing 1 and the adjusting seat 2a are slidably connected by the guide rail 5 and the slider 11 in a matching manner, when the posture is adjusted to an inclined state under the action of the mechanical arm, a piston rod of the support cylinder 4 can bear the gravity of a part of the roll edge head 2, and the guide rail 5 and the slider 11 disposed on the same side as the support cylinder 4 can cooperate to effectively share the gravity borne by the piston rod of the support cylinder 4, thereby reducing the load of the support cylinder 4.

In order to perform final-pressing and edge-rolling on the sheet metal, namely, the last 0-degree edge-rolling of the edge-rolling, as shown in fig. 7, one end of the adjusting seat 2a, which is provided with the mounting portion 2a1, is fixedly provided with a piston rod, which can be arranged along the length direction of the guide rail assembly, and the piston rod of the double-force cylinder 7 penetrates through the adjusting seat 2a and is fixedly connected with the working head 2b, a roller assembly for final-pressing and edge-rolling of the sheet metal is arranged between the working head 2b and the adjusting seat 2a, the roller assembly is two rollers 12 with opposite wheel surfaces, the two rollers 12 are respectively rotatably arranged on the adjusting seat 2a and the working head 2b, the sheet metal to be rolled is placed between the two rollers, and when the double-force cylinder 7 drives the working head 2b to move towards the adjusting seat 2a, the two rollers 12 are close to each other and extrude the sheet metal to realize the edge-rolling.

In order to ensure the stability of the double-force driving member 3 driving the working head 2b to slide, as shown in fig. 7, a retractable stabilizer bar 8 is further fixedly disposed on the adjusting seat 2a, the retractable direction of the stabilizer bar 8 is the same as the driving direction of the double-force cylinder 7, and the other end of the stabilizer bar 8 is fixedly connected with the working head 2 b.

In order to maintain the stability of the adjusting seat 2a, as shown in fig. 4 and 5, the force doubling cylinder 7 is arranged at the side of the mounting part 2a1, the two supporting cylinders 4 are respectively arranged at two sides of the force doubling cylinder 7, the driving part 3 is arranged on the mounting part 2a1, the driving part 3 and the two supporting cylinders 4 surround the force doubling cylinder 7, the adjusting seat 2a is effectively supported at the periphery of the force doubling cylinder 7, and the piston rods of the two supporting cylinders 4 are fixed on the adjusting seat 2a near the working head 2 b.

As shown in fig. 6 and 7, the driving member 3 has two output shafts 3a disposed opposite to each other, the protruding end of the mounting portion 2a1 has a recessed cavity 2a2, the recessed direction of the recessed cavity 2a2 is the same as the length direction of the guide rail 5, the driving member 3 is located in the recessed cavity 2a2, one end of the output shaft 3a of the driving member 3 extends into the recessed cavity 2a2 and is connected to the inner bottom surface of the recessed cavity 2a2, the other end of the driving member 3 extends out of the recessed cavity 2a2 and is connected to the cylinder body of the double-force cylinder 7, and only one output shaft 3a of the two output shafts 3a of the driving member 3 works to ensure the adjustment accuracy of the driving member 3.

As shown in fig. 2, a zero position sensor 9 is fixedly arranged on the outer side surface of the adjusting seat 2a, a long-strip-shaped slot hole 1a is formed in the side surface of one side of the casing 1 in a penetrating manner along the length direction of the guide rail assembly, the zero position sensor 9 penetrates through the slot hole 1a and can slide in the slot hole 1a under the driving of the adjusting seat 2a, and an over-travel sensor 10 capable of performing signal transmission with the zero position sensor 9 and giving an alarm is fixedly arranged on the casing 1. When the zero position sensor 9 slides into the signal transmission range of the over-travel sensor 10, the zero position sensor can sense the over-travel sensor 10 to transmit signals, and a user is informed that the current edge rolling track deviates from an ideal track.

The edge rolling device can be in two states, one state is the state of adjusting the posture under the action of the mechanical arm, and the other state is the state of performing edge rolling work.

The working process is as follows: the trimming device can adjust the posture of the trimming device by adopting a mechanical arm according to the position of a metal plate with the trimming in advance, the support cylinder 4 increases the acting force on the side opposite to the inclination direction of the trimming device according to the real-time posture of the trimming device to inhibit the trimming head 2 from sliding, and the gravity center position of the trimming head 2 is kept; after the posture adjustment is finished, the edge rolling work is carried out, and in the edge rolling working state, the driving piece 3 adjusts the adjusting seat 2a on the side opposite to the sliding direction of the edge rolling head 2 according to the sliding direction and the sliding displacement of the edge rolling head 2 in the edge rolling, so that the actual edge rolling track of the edge rolling head 2 is matched with the ideal edge rolling track, and the edge rolling precision is ensured.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms edging head, adjustment seat, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.