CN108791998B

CN108791998B - Strapping gun

Info

Publication number: CN108791998B
Application number: CN201810679064.7A
Authority: CN
Inventors: 朱磊; 马能发; 李华; 郑凯; 邱亮亮; 施其兵; 方良; 周前宽; 张冲; 张静; 冯瑞; 叶立新; 张建军; 杨开文
Original assignee: Dynamo-Electric Co Ltd Of Wuhu Bo Kang
Current assignee: Wuhu Bokang Electrical Co ltd
Priority date: 2018-06-27
Filing date: 2018-06-27
Publication date: 2020-01-21
Anticipated expiration: 2038-06-27
Also published as: CN108791998A

Abstract

The invention discloses a band binding gun, which comprises a gun body, a band traction mechanism and a band cutting mechanism, wherein the band traction mechanism and the band cutting mechanism are arranged in the gun body, the band traction mechanism comprises a motor, a belt, a tension pulley, an auxiliary tension pulley and a ratchet wheel, the motor is driven by the belt to drive the ratchet wheel to rotate, the upper part of the ratchet wheel is provided with a compression wheel and is contacted with the tooth-shaped back surface of a band, the ratchet wheel is contacted with teeth of the tooth-shaped surface of the band, the band cutting mechanism comprises a blade, a blade fixing frame, a wedge-shaped block and a handle, the blade is arranged on the blade fixing frame, the blade fixing frame is arranged on the inclined surface of the wedge-shaped block, and after the band is tensioned to a proper length by the band traction mechanism, the wedge-shaped block is driven to horizontally. According to the invention, the ribbon traction mechanism and the ribbon cutting mechanism which are arranged in the gun body are used for tensioning and cutting off the ribbon, so that time and labor are saved, and the cut of the cut ribbon is positioned in the buckle.

Description

Strapping gun

Technical Field

The invention relates to the technical field of wire harness processing, in particular to a strapping gun.

Background

The wiring harness is a wiring component for connecting each electrical equipment in a circuit and comprises an insulating sheath, a wiring terminal, a lead, an insulating binding material and the like. In the process of processing the wire harness, the processed wire harness is often required to be bundled and placed on a special shelf, the processed wire harness is directly hung on the shelf after being bundled by a binding belt, and when the binding belt is used, a person is generally required to strain the binding belt and cut the binding belt at the buckle of the binding belt.

Chinese patent granted publication No. CN201077538Y discloses a band binding device, in particular to a band binding gun. The structure of the gun comprises a gun body, a trigger is arranged in front of a gun handle of the gun body, the trigger is connected with a ribbon pull rod device arranged in the gun head through a transmission device arranged in the gun body, and the ribbon pull rod device slides in the gun head. Compared with the prior art, the utility model discloses a strapping gun has characteristics such as reasonable in design, simple structure, convenient operation, tie up effectually. However, in the claims and the description, the specific structure of the tie rod device is not described, nor is it described how the shearing of the tie by the blades is achieved.

Chinese patent grant publication No. CN202244155U discloses a banding gun, which comprises a gun body housing, a brake handle, a pulling rod, a support arranged at the front end of the gun head of the gun body housing, a groove arranged at the front end of the support, the brake handle connected to the rear end of the pulling rod through a swinging piece, teeth arranged at the front end of the pulling rod, and a power spring arranged in the teeth, the utility model can fasten the banding band in a tooth manner, the object can be stably bound by buckling the brake handle, the binding effect is good, the optimal tightness can be automatically controlled, and the utility model has the advantages of simple structure, convenient operation and long service life; in addition, the lever cutter is hinged in the bracket, the lever cutter adopts the principle of lever mechanics, when the ribbon reaches the ideal tightness, the excessive part of the ribbon is automatically cut off under the condition that the fastening force is not obviously increased in the process of fastening the brake handle, the use is simple and convenient, the knife edge can be repeatedly ground, and the better effect is kept for a long time. However, when the strapping gun is used, the tensioning of the strapping tape still needs the assistance of external force of people, and a section of buckling part with the length exceeding the strapping tape is remained after the strapping tape is cut.

Through careful analysis of the two comparison documents, it is found that the technical solutions in the comparison documents have respective problems, and therefore, the strapping gun needs to be designed more reasonably again.

Disclosure of Invention

The invention aims to provide a strapping gun to solve the defects in the prior art.

A strapping gun comprises a gun body, a strapping tape traction mechanism and a strapping tape cutting mechanism, wherein the strapping tape traction mechanism and the strapping tape cutting mechanism are installed inside the gun body, the strapping tape traction mechanism comprises a motor and a first belt wheel, the motor is fixed on the gun body, the first belt wheel is fixedly installed on an output shaft of the motor, the first belt wheel is provided with a belt and is connected with a tensioning wheel, an auxiliary tensioning wheel and a second belt wheel through the belt, the tensioning wheel is installed on a first support frame through a second support column, the auxiliary tensioning wheel is installed on the gun body through the first support column, the side surface of the second belt wheel is provided with a ratchet wheel, the ratchet wheel is fixedly connected with the second belt wheel and is installed on the gun body through a fourth support column, a strapping tape support plate and a guide block are horizontally arranged at the gun head inside the gun body, the upper end surfaces of the, the gear teeth of the ratchet wheel are higher than the ribbon support plate and the guide block and are contacted with the teeth of the toothed surface of the ribbon; the ribbon cutting mechanism comprises a handle and a fifth support column, the handle is installed on the gun body through the fifth support column, a through hole is formed in the upper end of the handle and is connected with the gun body in a rotating mode through a rotating shaft and a sliding block in a rotating mode, a sliding groove is formed in the second sliding block, the first sliding block is connected into the sliding groove in the second sliding block in a sliding mode, a guide rod is connected to the lower end of the second sliding block in a horizontal sliding mode, the guide rod penetrates through the second sliding block, one end of the guide rod is connected with the gun body, the other end of the guide rod is connected with a wedge block, the lower surface of the wedge block is connected with the gun body in a sliding mode, a blade fixing frame is abutted to the inclined surface of the wedge block, a blade is installed on the blade fixing frame, a guide groove of the blade is formed in the guide block, and, the blade is arranged in the guide groove of the guide block.

Preferably, the pinch roller is installed at support frame three through support column three, support frame three is installed perpendicularly in the backup pad, the backup pad back is equipped with pressure spring and installs directly over guide block and ribbon backup pad through pressure spring.

Preferably, the upper end of the supporting frame is further connected with a screw rod, the screw rod penetrates through the upper part of the gun body and is in threaded connection with the gun body, and a locking nut is arranged outside the gun body of the screw rod.

Preferably, a storage battery is arranged at the handle position of the gun body and is electrically connected with the motor through a lead.

Preferably, the right end of the ribbon support plate extends up to the upper end of the gun body, and a scrap shearing notch of the ribbon is formed in the upper end of the gun body.

Preferably, a return spring is arranged between the handle and the gun handle of the gun body.

Preferably, the upper end face of the gun body is provided with a second support frame, and the second support frame is provided with an illuminating lamp.

The invention has the advantages that: realize the taut and cutting off to the ribbon through set up ribbon drive mechanism and ribbon shutdown mechanism in the rifle body, wherein: the motor is arranged to drive the ribbon traction mechanism, so that the ribbon traction mechanism can be prevented from being tightened by personnel, and the labor is saved; the ribbon cutting mechanism is driven by arranging the handle, so that the blade is pushed to move obliquely upwards along the guide groove in the guide block, and redundant ribbons are cut at the clamping position of the ribbons; the pressing wheel is arranged right above the ratchet wheel, and the pressing spring is arranged at the back of the mounting plate of the pressing wheel, so that the binding belts with different thicknesses can be pressed, and the teeth of the tooth-shaped surface of the binding belt are ensured to be in contact with the teeth of the ratchet wheel; the belt is tensioned by arranging the tensioning wheel, connecting the tensioning wheel with the screw rod, and connecting the screw rod with the locking nut, so that the traction force provided by the belt traction mechanism to the belt is adjusted; the illuminating lamp is arranged on the gun body, so that the gun can be used in a dark scene in the later period; through setting up the battery and passing through wire and motor electric connection with the battery, can realize the independent use of ligature rifle.

Drawings

Fig. 1 is a schematic structural view of the entire interior of the gun body according to the present invention.

Fig. 2 is a schematic structural diagram of the gun body of the invention at the position of the gun head.

Wherein, 1, the gun body; 2. a motor; 3. a first belt wheel; 4. a belt; 5. a first supporting column; 6. an auxiliary tension wheel; 7. a tension wheel; 8. a second supporting column; 9. a first support frame; 10. locking the nut; 11. a screw; 12. a second support frame; 13. an illuminating lamp; 14. a pinch roller; 15. a third support column; 16. a third support frame; 17. a support plate; 18. a compression spring; 19. a ratchet wheel; 20. a second belt wheel; 21. a fourth support column; 22. binding a belt; 23. a strap support plate; 24. a guide block; 25. a blade; 26. a blade holder; 27. a wedge block; 28. a connecting rod; 29. a guide bar; 30. a first sliding block; 31. a rotating shaft; 32. a second sliding block; 33. a support; 34. a handle; 35. a fifth support column; 36. a return spring; 37. a storage battery; 38. and (4) conducting wires.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1

As shown in fig. 1 to 2, a banding gun is characterized in that: the automatic band-cutting machine comprises a gun body 1, a band traction mechanism and a band cutting mechanism, wherein the band traction mechanism and the band cutting mechanism are installed inside the gun body 1, the band traction mechanism comprises a motor 2 and a first belt wheel 3, the motor 2 is fixed on the gun body 1, the first belt wheel 3 is fixedly installed on an output shaft of the motor 2, the first belt wheel 3 is provided with a belt 4 and is connected with a tension pulley 7, an auxiliary tension pulley 6 and a second belt wheel 20 through the belt 4, the tension pulley 7 is installed on a first support frame 9 through a second support column 8, the auxiliary tension pulley 6 is installed on the gun body 1 through a first support column 5, the side surface of the second belt wheel 20 is provided with a ratchet wheel 19, the ratchet wheel 19 and the second belt wheel 20 are fixedly connected and are installed on the gun body 1 through a fourth support column 21, a band support plate 23 and a guide block 24 are horizontally arranged at a gun head inside, the ratchet wheel 19 is arranged between the band support plate 23 and the guide block 24, the gear teeth of the ratchet wheel 19 are higher than the band support plate 23 and the guide block 24 and are contacted with the teeth of the toothed surface of the band 22, and the toothed back surface of the band 22 is contacted with the pressing wheel 14; the ribbon cutting mechanism comprises a handle 34 and five support columns 35, the handle 34 is installed on the gun body 1 through the five support columns 35, the upper end of the handle 34 is provided with a through hole and is rotationally connected with the first slider 32 through a rotating shaft 31, a sliding groove is formed in the second slider 32, the first slider 30 is slidably connected in the sliding groove of the second slider 32, the lower end of the second slider 32 is horizontally and slidably connected with a guide rod 29, the guide rod 29 penetrates through the second slider 32, one end of the guide rod is connected with the gun body 1, the other end of the guide rod is connected with a support 33, the support 33 is installed on the gun body 1, the upper end of the second slider 32 is horizontally connected with a connecting rod 28, the other end of the connecting rod 28 is connected with a wedge 27, the lower surface of the wedge 27 is slidably connected with the gun body 1, a blade fixing frame 26 is abutted to the inclined surface of the wedge 27, a blade 25, the extension line direction of the guide groove is perpendicular to the inclined surface of the wedge block 27, and the blade 25 is arranged in the guide groove of the guide block 24.

In the invention, the pressing wheel 14 is mounted on a third support frame 16 through a third support column 15, the third support frame 16 is vertically mounted on a support plate 17, and a pressing spring 18 is arranged on the back surface of the support plate 17 and is mounted right above a guide block 24 and a band support plate 23 through the pressing spring 18.

In the invention, the right end of the ribbon support plate 23 extends up to the upper end of the gun body 1, and a waste material port is arranged at the upper end of the gun body 1.

In the present invention, a return spring 36 is provided between the handle 34 and the grip of the gun body 1.

The working process and principle are as follows: the invention realizes the tensioning and cutting of the ribbon 22 by arranging a ribbon traction mechanism and a ribbon cutting mechanism in the gun body 1, wherein: the motor 2 is arranged to drive the ribbon traction mechanism, so that the ribbon traction mechanism can be prevented from being tightened by personnel, and the labor is saved; the handle 34 is arranged to drive the ribbon cutting mechanism, but the blade 25 is pushed to move obliquely upwards along the guide groove in the guide block 24, so that the redundant ribbon is cut at the buckling position of the ribbon 22; by arranging the pressing wheel 14 right above the ratchet wheel 19 and arranging the pressing spring 18 on the back of the mounting plate of the pressing wheel 14, the ribbon 22 with different thicknesses can be pressed, and the teeth of the toothed surface of the ribbon 22 are ensured to be kept in contact with the teeth of the ratchet wheel 19.

Example 2

In the invention, the upper end of the first support frame 9 is also connected with a screw rod 11, the screw rod 11 penetrates through the upper part of the gun body 1 and is in threaded connection with the gun body 1, and the screw rod 11 is provided with a locking screw nut 10 outside the gun body 1.

In the invention, a storage battery 37 is arranged at the handle position of the gun body 1, and the storage battery 37 is electrically connected with the motor 2 through a lead 38.

In the invention, the upper end surface of the gun body 1 is provided with a second support frame 12, and the second support frame 12 is provided with an illuminating lamp 13.

In the use process of the invention, the tensioning wheel 7 is arranged, the screw rod 11 is connected on the tensioning wheel 7, and the locking nut 10 is connected on the screw rod 11, so that the belt 4 is tensioned, and the traction force provided by the belt traction mechanism to the belt 22 is further adjusted; the illuminating lamp 13 is arranged on the gun body 1, so that the gun can be used in a dark scene in the later period; the separate use of the banding gun can be realized by arranging the storage battery 37 and electrically connecting the storage battery 37 with the motor 2 through the lead 38.

Based on the above, the invention realizes the tensioning and cutting of the ribbon 22 by arranging the ribbon traction mechanism and the ribbon cutting mechanism in the gun body 1, wherein: the motor 2 is arranged to drive the ribbon traction mechanism, so that the ribbon traction mechanism can be prevented from being tightened by personnel, and the labor is saved; the handle 34 is arranged to drive the ribbon cutting mechanism, but the blade 25 is pushed to move obliquely upwards along the guide groove in the guide block 24, so that the redundant ribbon is cut at the buckling position of the ribbon 22; the pressing wheel 14 is arranged right above the ratchet wheel 19, the pressing spring 18 is arranged on the back of the mounting plate of the pressing wheel 14, the binding belts 22 with different thicknesses can be pressed, the teeth of the toothed surface of the binding belt 22 are guaranteed to be kept connected with the teeth of the ratchet wheel 19, the tensioning wheel 7 is arranged, the tensioning wheel 7 is connected with the screw rod 11, the locking nut 10 is connected onto the screw rod 11, the belt 4 is tensioned, and the traction force provided by the binding belt traction mechanism for the binding belt 22 is adjusted; the illuminating lamp 13 is arranged on the gun body 1, so that the gun can be used in a dark scene in the later period; the separate use of the banding gun can be realized by arranging the storage battery 37 and electrically connecting the storage battery 37 with the motor 2 through the lead 38.

The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. A strapping gun is characterized in that: the automatic belt winding machine comprises a gun body (1), a belt traction mechanism and a belt cutting mechanism, wherein the belt traction mechanism and the belt cutting mechanism are installed inside the gun body (1), the belt traction mechanism comprises a motor (2) and a first belt wheel (3), the motor (2) is fixed on the gun body (1), the first belt wheel (3) is fixedly installed on an output shaft of the motor (2), the first belt wheel (3) is provided with a belt (4) and is connected with a tension pulley (7), an auxiliary tension pulley (6) and a second belt wheel (20) through the belt (4), the tension pulley (7) is installed on a first support frame (9) through a second support column (8), the auxiliary tension pulley (6) is installed on the gun body (1) through a first support column (5), the side surface of the second belt wheel (20) is provided with a ratchet wheel (19), the ratchet wheel (19) and the second belt wheel (20) are fixedly connected and installed on the gun body (1, a band support plate (23) and a guide block (24) are horizontally arranged at a gun head inside the gun body (1), the upper end faces of the band support plate (23) and the guide block (24) are at the same horizontal height, the ratchet wheel (19) is arranged between the band support plate (23) and the guide block (24), gear teeth of the ratchet wheel (19) are higher than the band support plate (23) and the guide block (24) and are in contact with teeth of a toothed face of the band (22), and the toothed back face of the band (22) is in contact with the pressing wheel (14); the ribbon cutting mechanism comprises a handle (34) and a support column five (35), the handle (34) is installed on the gun body (1) through the support column five (35), the upper end of the handle (34) is provided with a through hole and is rotationally connected with a first sliding block (30) through a rotating shaft (31), a sliding groove is formed in the second sliding block (32), the first sliding block (30) is slidably connected in the sliding groove of the second sliding block (32), the lower end of the second sliding block (32) is horizontally and slidably connected with a guide rod (29), the guide rod (29) penetrates through the second sliding block (32) and one end of the second sliding block is connected with the gun body (1), the other end of the second sliding block (32) is connected with a support (33), the support (33) is installed on the gun body (1), the upper end of the second sliding block (32) is horizontally connected with a connecting rod (28), the other end of the connecting rod (28) is connected with a wedge block (, the butt has blade mount (26) on the inclined plane of wedge (27), install blade (25) on blade mount (26), be equipped with the guide way of blade (25) in guide block (24), the inclined plane mutually perpendicular of the extension line direction of guide way and wedge (27), the guide inslot of guide block (24) is located in blade (25).

2. A banding gun as claimed in claim 1, characterized in that: the pressing wheel (14) is installed on a support frame III (16) through a support column III (15), the support frame III (16) is vertically installed on a support plate (17), and a pressing spring (18) is arranged on the back face of the support plate (17) and installed right above a guide block (24) and a binding belt support plate (23) through the pressing spring (18).

3. A banding gun as claimed in claim 1, characterized in that: the upper end of the first support frame (9) is further connected with a screw rod (11), the screw rod (11) penetrates through the upper part of the gun body (1) and is in threaded connection with the gun body (1), and the screw rod (11) is provided with a locking nut (10) outside the gun body (1).

4. A banding gun as claimed in claim 1, characterized in that: the storage battery (37) is arranged at the gun handle position of the gun body (1), and the storage battery (37) is electrically connected with the motor (2) through a lead (38).

5. A banding gun as claimed in claim 1, characterized in that: the right end of ribbon backup pad (23) upwards extends to the upper end of rifle body (1) all the time to be equipped with the waste gate in the upper end of rifle body (1).

6. A banding gun as claimed in claim 1, characterized in that: a return spring (36) is arranged between the handle (34) and the gun handle of the gun body (1).

7. A banding gun as claimed in claim 1, characterized in that: the upper end face of the gun body (1) is provided with a second support frame (12), and an illuminating lamp (13) is mounted on the second support frame (12).