CN111069382A

CN111069382A - Door plate folding positioning device capable of adjusting folding distance

Info

Publication number: CN111069382A
Application number: CN202010021450.4A
Authority: CN
Inventors: 武传宇; 贾江鸣; 郭丽兵; 张剑一; 莫建灿
Original assignee: Simto Group Co ltd
Current assignee: Simto Group Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-04-28

Abstract

The invention discloses a door plate folding positioning device for adjusting folding distance, which comprises a folding plate, a stepped shaft die, a transmission shaft, a motor support frame and a servo motor, wherein the servo motor is connected to the bottom of the folding plate through the motor support frame, the servo motor is connected with the transmission shaft and outputs power to the transmission shaft, a gear is arranged on the transmission shaft, a through hole is formed in the folding plate, the stepped shaft die is matched with the through hole, the stepped shaft die is provided with a track surface and an arc surface, the track surface penetrates through the through hole and is meshed with the gear, the radius of the arc surface is increased progressively along the axial direction, 5-10 steps are arranged on the arc surface, and the difference between the radii of adjacent steps is 1-5 mm. The stepped shaft die is provided with the stepped shaft sections with different radiuses, so that the processing requirements of different flanging sizes can be met, the processes of repeatedly adjusting the positioning device are reduced, the defects of the traditional flanging positioning tool are overcome, and the installation and measurement errors are reduced.

Description

Door plate folding positioning device capable of adjusting folding distance

Technical Field

The invention relates to a positioning device, in particular to a door plate edge folding positioning device for adjusting edge folding distance.

Background

The metal part flanging is a common procedure in machining and installation, soft metal parts of materials are generally flanged by using devices such as bench vice, and harder metal parts of materials are difficult to be flanged by using common tools or cannot meet the design requirements after being machined, so that harder metal parts of materials need to be machined by using a flanging machine.

At present, the hem processing on the long limit of burglary-resisting door plant is through the front side positioner control hem size of lathe, add the hem location frock clamp of lathe and need customize according to the process dimension of difference man-hour, the time of having increased production, the cost, hem location frock clamp need install and adjust through manual measurement during the actual application, there is the inevitable measuring error, consequently, traditional lathe positioner is loaded down with trivial details and can't ensure the hem size precision of metal finished piece at the time of actual processing operation.

Disclosure of Invention

The invention provides a novel door plate edge folding positioning device for adjusting edge folding distance, aiming at the defects that edge folding positioning tools in the prior art need to be customized and produced, are complex to install, have installation errors and the like.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the utility model provides an adjust door plant hem positioner of hem distance, includes the hem board, still includes step shaft mould, transmission shaft, motor support frame, servo motor passes through the motor support frame connect in the hem board bottom, servo motor with the transmission shaft is connected and is given transmission shaft output power, be equipped with the gear on the transmission shaft, be equipped with the through-hole on the hem board, the step shaft mould with the through-hole cooperation, the step shaft mould is equipped with track face and arc surface, the track face passes the through-hole and with gear engagement, the radius of arc surface scales up along the axial, the difference of the radius that the arc surface was equipped with 5~10 ladders and adjacent ladder is 1~5 mm.

In the door plate folding positioning device structure, the servo motor is fixed at the bottom of the folding plate through the motor support frame, so that the servo motor can move synchronously with the folding plate all the time, and the servo motor is favorable for stably outputting power. The gear on the transmission shaft is meshed with the stepped shaft die, so that the transmission shaft can transmit torque to the stepped shaft die more accurately. The track surface of the stepped shaft mould is matched with the through hole, so that the stepped shaft mould can be limited, and the stepped shaft mould is prevented from swinging in motion, and the transmission precision is ensured. Be equipped with the different radial step shaft sections on the step shaft mould, can satisfy the processing demand of different hem sizes, reduced the process of repeated adjustment positioner, overcome the defect of traditional hem location frock, save artifical installation time, reduce installation measuring error.

Preferably, the door panel folding positioning device for adjusting the folding distance includes that the stepped shaft mold includes a stepped shaft and a rack, the stepped shaft is detachably connected to the rack, the arc surface is located on the stepped shaft, and the rail surface is located on the rack.

The stepped shaft die is split into the stepped shaft and the rack, so that the stepped shaft die can be mounted and replaced more flexibly, the manufacturing cost of the stepped shaft die is reduced, and batch production and manufacturing are facilitated.

Preferably, the door panel folding positioning device for adjusting the folding distance is characterized in that an end cover is arranged at the top of the stepped shaft, a screw hole is formed in the top of the rack, and the end cover is detachably connected with the rack through the screw hole.

The stepped shaft is detachably connected with the rack through the end cover, the connection mode is simple and easy, the operability is high, and the stepped shaft can be installed and replaced more flexibly.

Preferably, in the above mentioned door panel folding positioning device for adjusting the folding distance, the through hole is provided with a rack connecting groove, and the width D1 of the end cover is greater than the width D2 of the rack connecting groove.

The end cover plays a limiting role, the width of the end cover is larger than that of the rack connecting groove, so that the end cover is limited on the upper surface of the through hole, and the situation that the stepped shaft is separated from the through hole is avoided. The end cover is matched with the through hole, so that the condition of interference between the stepped shaft die and a machine tool can be avoided.

Preferably, in the above door panel folding positioning device for adjusting the folding distance, a sliding rail is arranged on one side of the stepped shaft, a sliding groove is arranged on one side of the rack, and the sliding rail is slidably connected with the sliding groove.

The arrangement of the sliding rail and the sliding groove can ensure the connection precision of the stepped shaft and the rack, and effectively reduces the installation error between the stepped shaft and the rack.

Preferably, the door panel folding positioning device for adjusting the folding distance is characterized in that a clamping position is arranged on the through hole, a clamping groove is arranged on the rack, and the clamping position is clamped with the clamping groove.

Screens and draw-in groove play limiting displacement, can be spacing in the position of predetermineeing with the rack, guarantee the precision that step shaft and rack are connected.

Preferably, in the above mentioned device for positioning a folded edge of a door panel, the transmission shaft is perpendicular to the rack.

The transmission shaft and the rack are perpendicular to each other, so that the torque of the transmission shaft can be converted into the vertical lifting displacement of the rack more accurately, and the transmission precision is improved.

Preferably, in the above mentioned device for positioning a door panel with a folded edge, the width of the gear is the same as that of the rack.

The gear and the rack have consistent width, enough axial dimension for the contact of the gear and the rack can be reserved, enough meshing width can be ensured, and the improvement of transmission precision is facilitated.

Preferably, in the above door panel folding positioning device for adjusting the folding distance, the number of the stepped shaft dies is at least 2, and the 2 or more stepped shaft dies are positioned on the same straight line parallel to the side line of the folding plate.

The positions of the multiple groups of stepped shaft dies are parallel to the side lines of the folding plates, so that the positioning precision of the stepped shaft dies is higher, and the processing precision of the folding size of the door plate is further improved.

Preferably, the door panel folding positioning device for adjusting the folding distance further comprises a bearing, and the bearing is arranged on the transmission shaft and fixed at the bottom of the folding plate.

The bearing plays a role in supporting rotation, reduces the friction coefficient in the movement process and ensures the rotation precision.

Compared with the prior art, the invention has the following beneficial effects:

1. the door plate flanging positioning device capable of flexibly changing the die and automatically adjusting is simple in installation process and high in transmission precision, the effect of adjusting the flanging distance can be achieved by flexibly lifting the stepped shaft die, the defect that a traditional flanging positioning tool is complex in operation is overcome, manual operation processes are effectively reduced, and therefore manual measurement errors are reduced;

2. the stepped shaft die disclosed by the invention can be suitable for processing various flanging distances, and overcomes the defects that the traditional flanging positioning tool needs to be customized for production and needs to be repeatedly measured during installation. The lifting of the stepped shaft die is precisely controlled by the servo motor, so that the automatic adjusting function of the door plate folding positioning device is realized, and meanwhile, the stepped shaft die and a machine tool are prevented from interfering when the folding plate works.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a stepped shaft mold according to the present invention;

FIG. 3 is a schematic view of the rack structure of the present invention;

FIG. 4 is a partial cross-sectional view of the hem plate of the invention;

FIG. 5 is a schematic structural view of the present invention in use;

fig. 6 is a sectional view showing a state in which the present invention is used.

Detailed Description

The invention will be described in further detail below with reference to the accompanying figures 1-6 and the detailed description, but they are not intended to limit the invention:

example 1

The utility model provides an adjust door plant hem positioner of hem distance, includes hem board 1, still includes step shaft mould 2, transmission shaft 3, motor support frame 6, servo motor 7 passes through motor support frame 6 connect in 1 bottom of hem board, servo motor 7 with transmission shaft 3 is connected and gives 3 output power of transmission shaft, be equipped with gear 4 on the transmission shaft 3, be equipped with through-hole 11 on the hem board 1, step shaft mould 2 with the cooperation of through-hole 11, step shaft mould 2 is equipped with track face 22 and arc surface 21, track face 22 passes through-hole 11 and with gear 4 meshes, the radius of arc surface 21 increases progressively along the axial, the difference of the radius that arc surface 21 was equipped with 5~10 ladders and adjacent ladder is 1~5 mm.

As shown in fig. 1 to 6, a tilt cylinder 81 is attached to the lower side of the machine tool 8, and the hydraulic rod of the tilt cylinder 81 is connected to the lower end of the hemming plate 1. A vertical hydraulic cylinder 82 is installed above the machine tool 8, and a lower pressing plate 83 is fixedly installed at the lower end of a hydraulic rod of the vertical hydraulic cylinder 82. The stepped shaft die 2 penetrates through the through hole 11 and is meshed with the gear 4, the gear 4 is connected with the transmission shaft 3 through a key, and the transmission shaft 3 is connected with the servo motor 7 through a coupler. The arc surface 21 of the stepped shaft die 2 is provided with a plurality of steps, so that the invention can adjust the size of the folded edge in real time.

When door plant positioner is in operating condition, servo motor 7 gives 3 output power of transmission shaft and controls the rotation of transmission shaft 3, and gear 4 rotates along with transmission shaft 3, thereby servo motor 7 is through the distance of the 2 lifts of accurate control step shaft mould of rotational speed, the torque of control gear 4. An operator sets the flanging distance through a control system, and the servo motor 7 moves the corresponding stepped shaft section of the stepped shaft die 2 to the through hole 11 of the flanging plate 1. When the metal door plate 9 is conveyed to the hemming plate 1, the front end of the metal door plate 9 is propped against the corresponding stepped shaft section surface of the stepped shaft mold 2, the pressing plate 83 is controlled by the hydraulic rod of the vertical hydraulic cylinder 82 to move downwards and press the metal door plate 9 tightly, the servo motor 7 controls the stepped shaft mold 2 to descend below the upper surface of the hemming plate 1, the hydraulic rod of the inclined hydraulic cylinder 81 pushes the hemming plate 1 to complete hemming action and reset, and the stepped shaft mold 2 is lifted to a set height again.

Preferably, the stepped shaft mold 2 includes a stepped shaft 24 and a rack 25, the stepped shaft 24 is detachably connected to the rack 25, the arc surface 21 is located on the stepped shaft 24, and the track surface 22 is located on the rack 25.

Preferably, an end cover 23 is arranged at the top of the stepped shaft 24, a screw hole 26 is arranged at the top of the rack 25, and the end cover 23 is detachably connected with the rack 25 through the screw hole 26.

Preferably, the through hole 11 is provided with a rack connecting groove 13, and the width D1 of the end cover 23 is greater than the width D2 of the rack connecting groove 13.

Preferably, a slide rail 27 is disposed on one side of the stepped shaft 24, a slide groove 29 is disposed on one side of the rack 25, and the slide rail 27 is slidably connected with the slide groove 29.

Preferably, the through hole 11 is provided with a clamping position 12, the rack 25 is provided with a clamping groove 28, and the clamping position 12 is clamped with the clamping groove 28.

Preferably, the transmission shaft 3 and the rack 25 are perpendicular to each other.

Preferably, the gear 4 is identical in width to the rack 25.

Preferably, the number of the stepped shaft dies 2 is at least 2, and the 2 or more stepped shaft dies 2 are positioned on the same straight line parallel to the side line of the flange plate 1.

Preferably, the folding plate further comprises a bearing 5, and the bearing 5 is arranged on the transmission shaft 3 and fixed at the bottom of the folding plate 1.

Specifically, as shown in fig. 1 to 6, a tilt cylinder 81 is mounted below the machine tool 8, and a hydraulic rod of the tilt cylinder 81 is connected to the lower end of the hemming plate 1. A vertical hydraulic cylinder 82 is installed above the machine tool 8, and a lower pressing plate 83 is fixedly installed at the lower end of a hydraulic rod of the vertical hydraulic cylinder 82. The stepped shaft die 2 penetrates through the through hole 11, the track surface 22 is meshed with the gear 4, the clamping grooves 28 on two sides of the rack 25 are clamped with the clamping positions 12, the rack 25 is limited at a preset position, and the connection precision of the stepped shaft 24 and the rack 25 is guaranteed. The gear 4 is connected with the transmission shaft 3, and the transmission shaft 3 can convert the torque of the transmission shaft 3 into the displacement of the vertical lifting of the rack 25 more accurately by mutually perpendicular the rack 25, so that the transmission precision is improved. The transmission shaft 3 is connected with the servo motor 7 through a coupler. Step shaft 24 and rack 25 are become in the split of step shaft mould 2, can install and change more in a flexible way, reduce the manufacturing cost of step shaft mould 2, and step shaft mould 2's arc 21 is equipped with a plurality of ladders, goes up and down through nimble control step shaft mould 2 and reaches the effect of adjusting the hem distance promptly, overcomes traditional hem location frock complex operation's defect, effectively reduces manual operation process to reduce artifical measuring error.

When door plant positioner is in operating condition, servo motor 7 for transmission shaft 3 output power and control transmission shaft 3's rotation, gear 4 rotates along with transmission shaft 3, thereby servo motor 7 is through the distance of the accurate control rack 25 lift of rotational speed, the torque of control gear 4. An operator sets the flanging distance through a control system, and the servo motor 7 moves the corresponding stepped shaft section of the stepped shaft die 2 to the through hole 11 of the flanging plate 1. When metal door plant 9 is conveyed to hem board 1, the front end top of metal door plant 9 is on the corresponding step shaft section surface of arc surface 21, the hydraulic stem control holding down plate 83 of vertical pneumatic cylinder 82 moves down and compresses tightly metal door plant 9 this moment, servo motor 7 control step shaft mould 2 descends to hem board 1 upper surface below, end cover 23 cooperatees with through-hole 11 this moment, avoid step shaft 24 and through-hole 11 the situation that breaks away from to appear, also can avoid producing the situation of interfering between step shaft mould 2 and the lathe 8. The hydraulic rod of the inclined hydraulic cylinder 81 pushes the flanging plate 1 to complete flanging action and reset, the stepped shaft die 2 is lifted to a set height again, and the actions are repeated, so that automatic batch processing of flanging parts is realized.

Above-mentioned door plant hem positioner installation procedure is simple and easy and transmission precision is higher, reaches the effect of adjusting the hem distance through nimble lift step shaft mould 2, overcomes traditional hem location frock complex operation's defect, effectively reduces manual operation process to reduce artifical measuring error.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides an adjust door plant hem positioner of hem distance, includes hem board (1), its characterized in that: also comprises a stepped shaft mould (2), a transmission shaft (3), a motor supporting frame (6) and a servo motor (7), the servo motor (7) is connected to the bottom of the flanging plate (1) through the motor supporting frame (6), the servo motor (7) is connected with the transmission shaft (3) and outputs power to the transmission shaft (3), a gear (4) is arranged on the transmission shaft (3), a through hole (11) is arranged on the folded plate (1), the stepped shaft mould (2) is matched with the through hole (11), the stepped shaft mould (2) is provided with a track surface (22) and an arc surface (21), the track surface (22) passes through the through hole (11) and is meshed with the gear (4), the radius of the arc surface (21) increases progressively along the axial direction, the arc surface (21) is provided with 5-10 steps, and the difference of the radii of the adjacent steps is 1-5 mm.

2. A hemming positioning apparatus for a door panel for adjusting a hemming distance according to claim 1 wherein: stepped shaft mould (2) include stepped shaft (24), rack (25), stepped shaft (24) with rack (25) dismantlement formula is connected, arc surface (21) are located on stepped shaft (24), track face (22) are located on rack (25).

3. A hemming positioning apparatus for a door panel for adjusting a hemming distance according to claim 2 wherein: the top of step shaft (24) is equipped with end cover (23), rack (25) top is equipped with screw hole (26), end cover (23) pass through screw hole (26) with rack (25) dismantlement formula is connected.

4. A hemming positioning apparatus for a door panel to adjust a hemming distance according to claim 3 wherein: the through hole (11) is provided with a rack connecting groove (13), and the width D1 of the end cover (23) is greater than the width D2 of the rack connecting groove (13).

5. A hemming positioning apparatus for a door panel for adjusting a hemming distance according to claim 2 wherein: slide rail (27) are equipped with on one side of stepped shaft (24), rack (25) one side is equipped with spout (29), slide rail (27) with spout (29) sliding connection.

6. A hemming positioning apparatus for a door panel for adjusting a hemming distance according to claim 2 wherein: the rack is characterized in that a clamping position (12) is arranged on the through hole (11), a clamping groove (28) is arranged on the rack (25), and the clamping position (12) is clamped with the clamping groove (28).

7. A hemming positioning apparatus for a door panel for adjusting a hemming distance according to claim 2 wherein: the transmission shaft (3) is perpendicular to the rack (25).

8. A hemming positioning apparatus for a door panel for adjusting a hemming distance according to claim 2 wherein: the gear (4) is consistent with the width of the rack (25).

9. A hemming positioning apparatus for a door panel for adjusting a hemming distance according to claim 1 wherein: the number of the stepped shaft moulds (2) is at least 2, and the stepped shaft moulds (2) with more than 2 groups are positioned on the same straight line parallel to the side line of the flanging plate (1).

10. A hemming positioning apparatus for a door panel for adjusting a hemming distance according to claim 1 wherein: the novel corrugated edge plate is characterized by further comprising a bearing (5), wherein the bearing (5) is arranged on the transmission shaft (3) and fixed at the bottom of the corrugated edge plate (1).