CN211219561U

CN211219561U - Opening type tightening device for tightening edge of workpiece

Info

Publication number: CN211219561U
Application number: CN201922267256.XU
Authority: CN
Inventors: 熊明可; 邓国锋; 丰磊; 冯学飞; 高大牛; 王少辉; 田野; 张定; 孟庆林
Original assignee: Alpace Intelligent Technology Suzhou Co ltd
Current assignee: Alpace Intelligent Technology Suzhou Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-11
Anticipated expiration: 2029-12-17

Abstract

The utility model provides an opening type tightening device for tightening the edge of a workpiece, which comprises a pneumatic screw gun, a nail blowing seat, a nail blowing barrel, a nail discharging clamping flap, a gear, a rack and a switching cylinder; the screw blowing cylinder is used for feeding screws and is arranged on the screw blowing seat; the screw driver head of the pneumatic screw gun extends into the screw blowing cylinder, and the screw driver head can push the screw in the screw blowing cylinder out of the screw clamping flap; the nail outlet clamping flap is rotatably arranged on the nail blowing seat and is communicated with the nail blowing barrel, two symmetrical avoiding side walls are arranged on the nail outlet clamping flap, and the two avoiding side walls are of a plane structure formed by cutting a cylinder along the axial direction; the gear is coaxially and fixedly connected with the nail outlet clamping flap, the switching cylinder is fixedly arranged on the nail blowing seat, the rack is arranged on a piston rod of the switching cylinder, the rack is meshed with the gear, the switching cylinder can drive the rack to reciprocate, and the rack can drive the nail outlet clamping flap to rotate. The utility model discloses can avoid stopping the wall on the work piece in a flexible way, convenient operation, work efficiency is high.

Description

Opening type tightening device for tightening edge of workpiece

Technical Field

The utility model belongs to the technical field of screw up and equip, concretely relates to device is screwed up to opening type that is used for work piece edge to screw up.

Background

As shown in fig. 1, a part of a workpiece having a screw connection structure has a protruding sidewall (i.e., a blocking sidewall 21) at a screw assembling position at an edge of the workpiece, and such a sidewall reduces a tool moving space during screw assembling, prevents a normal operation of a screw gun, is very inconvenient to operate, and reduces work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device is screwed up to opening type for work piece edge is screwed up to solve work piece edge and have when blockking the lateral wall, beat the screw operating space not enough, the operation convenience is poor, problem that work efficiency is low.

The utility model provides a following technical scheme:

an open type screwing device for screwing the edge of a workpiece comprises a nail blowing barrel, a pneumatic screw gun, a nail blowing seat, a nail discharging clamping flap, a gear, a rack and a switching cylinder;

the screw blowing cylinder is used for feeding screws and is arranged on the screw blowing seat;

the screwdriver head of the pneumatic screw gun extends into the nail blowing barrel, and the screwdriver head can push the screws in the nail blowing barrel out of the nail discharge clamping flap;

the nail outlet clamping flap is rotatably arranged on the nail blowing seat and communicated with the nail blowing barrel, two symmetrical avoiding side walls are arranged on the nail outlet clamping flap, and the two avoiding side walls are of a planar structure formed by cutting a cylinder along the axial direction;

the gear is coaxially and fixedly connected with the nail discharge clamping flap, the switching cylinder is fixedly installed on the nail blowing seat, the rack is installed on a piston rod of the switching cylinder, the rack is meshed with the gear, the switching cylinder can drive the rack to reciprocate, and the rack can drive the nail discharge clamping flap to rotate through the gear.

Preferably, the nail discharging clamping flap comprises a rotating shaft, a clamping flap body and a rubber ring, nail discharging holes which are communicated with each other are formed in the rotating shaft and the clamping flap body, the rotating shaft is mounted on the nail blowing seat through a bearing, and the gear key is connected with the rotating shaft; the clamping flap body is connected with the rotating shaft in an embedded mode, and the joint of the clamping flap body and the rotating shaft is hooped by a rubber ring; the avoiding side wall is positioned on the valve clamping body, and the valve clamping body comprises two tightly attached valve clamping half bodies.

Preferably, the pivot with the link of the clamping lamella body is equipped with the clamping lamella caulking groove along the axial, the clamping lamella body be equipped with the buckle that the clamping lamella caulking groove matches, the buckle inserts in the clamping lamella caulking groove.

Preferably, the root of the clamping flap caulking groove is provided with a fastening groove, and the depth of the fastening groove is greater than that of the clamping flap caulking groove; the end of the embedded buckle is provided with a convex buckle matched with the buckle groove, and the buckle is embedded into the buckle groove.

Preferably, the connecting end of the rotating shaft and the clamping flap body is provided with an arc-shaped rubber ring caulking groove along the radial direction, and the rubber ring is tightly sleeved in the rubber ring caulking groove.

Preferably, the nail blowing barrel comprises a nail feeding hole and a batch head hole which are communicated with each other, the nail feeding hole is obliquely intersected with the batch head hole, and the nail outlet hole of the rotating shaft is positioned on an axial extension line of the batch head hole.

Preferably, a rack guide rail is installed on the nail blowing seat, and the rack is limited in the rack guide rail to move.

The utility model has the advantages that: the utility model is used for there is the screw operation of beating that blocks the lateral wall work piece edge. The utility model discloses a go out to be equipped with two on the nail clamping lamella and dodge the lateral wall, can dodge the lateral wall that blocks at work piece edge, for providing the operation space with beating the screw, strengthened simple operation nature and operating efficiency. The switching cylinder on the nail blowing seat can drive the rack to move, so that the nail outlet clamping flap is driven to rotate through the gear, the avoiding side wall is rotated, the avoiding side wall is adapted to the blocking walls with different angles, the nail blowing operation is more flexible and convenient, and the working efficiency is higher.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic top view of a workpiece according to the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the staple blowing cartridge of the present invention;

FIG. 4 is a schematic structural view of the rotary shaft of the present invention mounted on the nail blowing seat;

fig. 5 is a schematic structural view of the clip flap body of the present invention mounted on the rotating shaft;

fig. 6 is a schematic view of a rack mounting structure of the present invention;

labeled as: 1. a pneumatic screw gun; 2. a nail blowing seat; 3. a nail blowing cylinder; 4. nail out and clamping the valve; 5. a gear; 6. a rack; 7. switching the air cylinder; 8. a nail feeding hole; 9. a bit hole; 10. avoiding the side wall; 11. a rotating shaft; 12. a flap body is clamped; 13. a rubber ring; 14. a nail outlet hole; 15. a petal clamping caulking groove; 16. embedding and buckling; 17. a rubber ring caulking groove; 18. a rack guide rail; 19. a batch head; 20. a workpiece; 21. a barrier sidewall; 22. a screw; 23. buckling grooves; 24. and (5) buckling.

Detailed Description

Fig. 1 shows a workpiece provided with a screw connection structure, and a screw assembling portion at the edge of the workpiece 20 has a convex side wall (i.e., a blocking side wall 21) which reduces a tool space for assembling the screw and prevents a screw gun from normally operating, and this embodiment provides an open type tightening apparatus for tightening at the edge of the workpiece, so that the screw gun can flexibly drive the screw on such a workpiece 20.

As shown in fig. 2, the device comprises a pneumatic screw gun 1, a nail blowing seat 2, a nail blowing barrel 3, a nail outlet clamping flap 4, a gear 5, a rack 6 and a switching cylinder 7.

As shown in fig. 3, the blow pin cartridge 3 is used for screw feeding, and the blow pin cartridge 3 is mounted on the blow pin holder 2. The nail-blowing cylinder 3 comprises a nail feeding hole 8 and a batch head hole 9 which are communicated with each other, the nail feeding hole 8 is obliquely intersected with the batch head hole 9, and a screw 22 is fed into the nail-blowing cylinder 3 from the nail feeding hole 8.

As shown in fig. 2, the pneumatic screw gun 1 is connected with a high-pressure air source, the bit 19 of the pneumatic screw gun 1 extends into the nail-blowing barrel 3, and the bit 19 can push the screw 22 in the nail-blowing barrel 3 out of the nail clamping flap 4 at a high speed forward under the action of air pressure, so that the screw is tightly screwed on a workpiece.

As shown in fig. 4 and 5, the nail ejection clamping flap 4 is rotatably mounted on the nail blowing seat 2, the nail ejection clamping flap 4 is communicated with the nail blowing barrel 3, two symmetrical avoiding side walls 10 are arranged on the nail ejection clamping flap 4, and the two avoiding side walls 10 are planar structures formed by cutting a cylinder along the axial direction. The avoiding side wall 10 can avoid the blocking side wall 21 at the edge of the workpiece, and avoids the interference of the blocking side wall 21 when nailing.

As shown in fig. 4 and 5, the nail outlet clamping flap 4 comprises a rotating shaft 11, a flap body 12 and a rubber ring 13, the rotating shaft 11 and the flap body 12 are internally provided with nail outlet holes 14 which are communicated with each other, and the rotating shaft 11 and the nail outlet holes 14 of the flap body 12 are positioned on an axial extension line of the bit hole 9, so that the screw 22 can be linearly pushed out of the flap body 12 from the bit.

As shown in fig. 4 and 5, the rotating shaft 11 is mounted on the nail blowing seat 2 through a bearing, and the clip flap body 12 is connected with the rotating shaft 11 in an embedded manner, specifically, a clip flap caulking groove 15 is axially arranged at the connecting end of the rotating shaft 11 and the clip flap body 12, the clip flap body 12 is provided with an embedded buckle 16 matched with the clip flap caulking groove 15, and the embedded buckle 16 is inserted into the clip flap caulking groove 15. The root of the clamping flap caulking groove 15 is provided with a fastening groove 23, and the depth of the fastening groove 23 is greater than that of the clamping flap caulking groove 15; the end of the embedding buckle 16 is provided with a convex buckle 24 matched with the buckle groove 23, and the buckle 24 is embedded into the buckle groove 23, so that the clamping flap body 12 is embedded and connected with the rotating shaft 11 and is not easy to loosen.

As shown in fig. 4 and 5, the joint of the clip body 12 and the rotating shaft 11 is clamped by the rubber ring 13. Specifically, the connecting end of the rotating shaft 11 and the flap body 12 is provided with an arc-shaped rubber ring caulking groove 17 along the radial direction, and the rubber ring 13 is tightly sleeved in the rubber ring caulking groove 17, so as to tightly clamp the flap body 12 and the rotating shaft 11. The detachable connecting structure of the rotating shaft 11, the clamping flap body 12 and the rubber ring 13 facilitates the replacement of clamping flap bodies with different specifications, so that the clamping flap body is suitable for the assembly of screws with different specifications.

As shown in fig. 5, the bypass sidewall 10 is located on the valve body 12, and the valve body 12 includes two abutting valve halves, and the screw 22 slightly expands the valve halves as it passes through the valve body 12.

The gear 5 is coaxially keyed to the shaft 11. As shown in fig. 1 and 6, the switching cylinder 7 is fixedly installed on the nail blowing seat 2, the rack 6 is installed on a piston rod of the switching cylinder 7, the rack 6 is engaged with the gear 5, and the switching cylinder 7 can drive the rack 6 to reciprocate, so that the rack 6 can drive the nail clamping flap 4 to rotate through the gear 5. When the four vertex angle edges of the workpiece 20 are provided with the blocking side walls 21, and the included angles between the extension lines of the two adjacent blocking side walls 21 are perpendicular to each other, the switching cylinder with the action stroke corresponding to the nail-out clamping flap rotating angle of 90 degrees can be selected, namely, the avoiding side wall 10 on the clamping flap body 12 rotates by 90 degrees once when the switching cylinder 7 acts, and the rapid nail-out assembly of the four vertex angle edges is realized.

As shown in fig. 6, in order to improve the moving accuracy of the rack 6, a rack guide 18 is fixedly installed on the nail blowing base 2, the rack 6 is limited in the rack guide 18, the rack 6 moves along the rack guide 18 without free shaking, the meshing accuracy with the gear 5 is higher, and the stability of the rotation operation of the gear 5 is also higher.

The working process of the device is as follows: the pneumatic screw gun 1 and the switching cylinder 7 are connected with an external power supply and an air source, a screw 22 is sent into the nail blowing barrel 3 from the nail inlet hole 8, the switching cylinder 7 is started, the avoiding side wall 10 of the nail clamping flap 4 is driven to rotate to the direction parallel to the blocking side wall 21 of the workpiece, the avoiding side wall 10 is tightly attached to the blocking side wall 21, the pneumatic screw gun 1 is started, the screw 22 is pushed out of the nail clamping flap 4 at a high speed through the rotating shaft 11 and the nail outlet hole 14 of the nail clamping flap in sequence by the screwdriver head 19, and the nail is tightly screwed on the workpiece 20. When the adjacent blocking side wall needs to be screwed, the switching cylinder 7 is started again, and the nail clamping flap 4 is rotated out.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An open type screwing device for screwing the edge of a workpiece is characterized by comprising a nail blowing barrel, a pneumatic screw gun, a nail blowing seat, a nail discharging clamping flap, a gear, a rack and a switching cylinder;

2. The open type tightening device for tightening the edge of a workpiece according to claim 1, wherein the nail ejection clamping flap comprises a rotating shaft, a clamping flap body and a rubber ring, nail ejection holes communicated with each other are formed in the rotating shaft and the clamping flap body, the rotating shaft is mounted on the nail blowing seat through a bearing, and the gear key is connected with the rotating shaft; the clamping flap body is connected with the rotating shaft in an embedded mode, and the joint of the clamping flap body and the rotating shaft is hooped by a rubber ring; the avoiding side wall is positioned on the valve clamping body, and the valve clamping body comprises two tightly attached valve clamping half bodies.

3. The open-type tightening device for tightening at an edge of a workpiece according to claim 2, wherein a connecting end of the rotating shaft and the petal clamping body is provided with a petal clamping caulking groove in an axial direction, the petal clamping body is provided with a buckle matched with the petal clamping caulking groove, and the buckle is inserted into the petal clamping caulking groove.

4. The open-type tightening device for tightening at an edge of a workpiece according to claim 3, wherein a root of the clip flap caulking groove is provided with a catching groove having a depth greater than that of the clip flap caulking groove; the end of the embedded buckle is provided with a convex buckle matched with the buckle groove, and the buckle is embedded into the buckle groove.

5. The open-type tightening device for tightening at an edge of a workpiece according to claim 4, wherein the connection end of the rotating shaft and the clamping flap body is provided with an arc-shaped rubber ring caulking groove in the radial direction, and the rubber ring is tightly sleeved in the rubber ring caulking groove.

6. The open-type tightening device for tightening at an edge of a workpiece according to claim 2, wherein the staple blowing cylinder includes a staple feeding hole and a batch head hole which are communicated with each other, the staple feeding hole obliquely intersects the batch head hole, and the staple discharging hole of the rotary shaft is located on an axial extension line of the batch head hole.

7. The open-type tightening device for tightening an edge of a workpiece according to claim 1, wherein a rack guide rail is mounted on the blow pin seat, and the rack is retained in the rack guide rail.