CN213495832U

CN213495832U - Pipe fitting positioning device for pipe bending machine

Info

Publication number: CN213495832U
Application number: CN202022501186.2U
Authority: CN
Inventors: 王得善; 孙中良; 姜良义
Original assignee: Wuxi Huajing Automobile Co ltd
Current assignee: Wuxi Huajing Automobile Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-22
Anticipated expiration: 2030-11-02

Abstract

The utility model belongs to the technical field of return bend equipment and specifically relates to a pipe fitting positioner for bending machine is related to, including centre gripping sleeve pipe, support frame, the centre gripping sleeve pipe is the semicircle arcuation, and the centre gripping sleeve pipe is equipped with two relatively on the work platform of bending machine, and the pipe fitting is placed on two centre gripping sleeve pipes. The support frame is connected with a first sliding strip and a second sliding strip in a sliding mode, and the side faces, opposite to the first sliding strip and the second sliding strip, of the first sliding strip are connected with racks respectively. The support frame is rotatably connected with a rotating shaft, a gear is fixed on the rotating shaft, and the gear is respectively meshed with the two racks. The first sliding strip is fixedly connected with a first clamping block, the second sliding strip is fixedly connected with a second clamping block, the opposite side surfaces of the first clamping block and the second clamping block are respectively provided with a positioning groove, the positioning grooves are in a semicircular arc shape, and a connecting line between the two positioning grooves is perpendicular to the length direction of the rack. This application has the effect that the staff of being convenient for fixes a position the pipe fitting.

Description

Pipe fitting positioning device for pipe bending machine

Technical Field

The application relates to the field of pipe bending equipment, in particular to a pipe fitting positioning device for a pipe bending machine.

Background

The pipe bender can be roughly divided into a numerical control pipe bender, a hydraulic pipe bender and the like, is mainly used for pipeline laying and repairing in the aspects of electric power construction, highway construction, boiler, bridge, ship, decoration and the like, has the advantages of multiple functions, reasonable structure, simplicity in operation and the like, and also needs the pipe bender to perform pipe bending operation on a frame steel pipe in the aspect of manufacturing the bicycle frame steel pipe, so that the steel pipe can be efficiently utilized, and the production efficiency of the bicycle is improved.

At present, chinese patent with publication number CN107081359A discloses a bicycle frame steel pipe double-station pipe bending machine, which comprises a pipe bending machine body, wherein a protection plate is welded at the center of the surface of the pipe bending machine body, positioning plates are welded on two sides of the protection plate, positioning pins are arranged inside the positioning plates, press-fit gaskets are arranged on the inner sides of the positioning plates, the pipe bending machine body is connected with a clamping sleeve through a support, and a first pipe bending station and a second pipe bending station are respectively arranged on two sides of the protection.

When the pipe bending machine works, firstly, the frame steel pipe is placed in the clamping sleeve, and the positioning pin is screwed down to enable the press-fit gasket to be tightly attached to the steel pipe, so that the steel pipe is positioned. However, when the pipe bending machine positions the steel pipe, the worker needs to screw the six positioning pins respectively to position the steel pipe, which is inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the staff to fix a position the pipe fitting, this application provides a pipe fitting positioner for bending machine.

The application provides a pipe fitting positioner for bending machine adopts following technical scheme:

a pipe fitting positioning device for a pipe bending machine comprises two clamping sleeves and a support frame, wherein the clamping sleeves are in a semicircular arc shape, the two clamping sleeves are oppositely arranged along the length direction of a working platform of the pipe bending machine, a pipe fitting is placed on the two clamping sleeves, the support frame is fixed on the working platform of the pipe bending machine, a first sliding strip and a second sliding strip are connected on the support frame in a sliding manner, the first sliding strip and the second sliding strip are mutually parallel and have intervals, the first sliding strip and the second sliding strip are arranged perpendicular to the length direction of the working platform of the pipe bending machine, racks are respectively connected on opposite side surfaces of the first sliding strip and the second sliding strip, a rotating shaft vertically penetrates through the support frame and is rotatably connected with the support frame, the top end of the rotating shaft penetrates through the support frame and is fixedly sleeved with a gear, the gear is positioned between the two racks and is respectively meshed with the two racks, and a driving, the first sliding strip is fixedly connected with a first clamping block, the second sliding strip is fixedly connected with a second clamping block, a connecting line between the first clamping block and the second clamping block is perpendicular to the length direction of the working platform of the pipe bending machine, the opposite side surfaces of the first clamping block and the second clamping block are respectively provided with a positioning groove, and the positioning grooves are in a semicircular arc shape.

Through adopting above-mentioned technical scheme, the staff places the pipe fitting in two centre gripping cover intraductals back, utilizes drive assembly drive axis of rotation to rotate, and the axis of rotation drives gear revolve, and the gear meshes with two racks mutually respectively to drive the first tight piece of clamp and the tight piece orientation of second clamp and remove near to each other's direction, when two tight pieces of clamp support each other tightly, the pipe fitting chucking realizes the location to the pipe fitting in two constant head tanks. According to the technical scheme, the first clamping block and the second clamping block are driven to be close to each other and then abutted tightly through the matching action of the gear and the two racks, and the effect of facilitating positioning of a worker on a pipe fitting is achieved.

Optionally, the support frame is equipped with a plurality ofly along the sheathed tube axis direction of centre gripping, and the lower extreme of axis of rotation is worn out the support frame and fixed cover is equipped with the sprocket, and the cover is equipped with the chain on a plurality of sprocket.

Through adopting above-mentioned technical scheme, utilize the linkage effect of chain and sprocket for a plurality of axis of rotation synchronous rotation, thereby drive the tight piece of first clamp and the tight piece of second clamp on every support frame and press from both sides the pipe fitting simultaneously and press from both sides tightly, improved the tight efficiency of clamp to the pipe fitting.

Optionally, the driving assembly comprises a worm wheel and a worm, the worm wheel is fixedly sleeved at the bottom end of one of the rotating shafts, the worm is rotatably connected to the supporting frame corresponding to the rotating shaft, and the worm is meshed with the worm wheel.

Through adopting above-mentioned technical scheme, when needs drive axis of rotation rotate, the staff drive worm rotates, and the worm drives the worm wheel and rotates, and the worm wheel drives one of them axis of rotation and rotates, utilizes the combined action of chain and sprocket for three axis of rotation rotates in step, thereby has reached drive axis of rotation pivoted effect.

Optionally, the upper surface of support frame is opened has the first groove and the second groove of sliding that are parallel to each other, and the diapire integrated into one piece of first strip of sliding has the first gib block of sliding at the first inslot that slides, and the vertical cross-section in first gib block and the first groove of sliding all is the dovetail, and the diapire integrated into one piece of second strip of sliding has the second gib block of sliding at the second inslot that slides, and the vertical cross-section in second gib block and second groove of sliding all is the dovetail.

By adopting the technical scheme, the vertical sections of the first guide strip and the first sliding groove are in a dovetail shape, and the possibility that the first sliding strip is separated from the support frame is reduced under the matching of the first guide strip and the first sliding groove, so that the stability of the first sliding strip during sliding is improved; the vertical cross section in second gib block and second groove of sliding all is the dovetail, and under the cooperation in second gib block and second groove of sliding, the possibility that the second strip of sliding breaks away from the support frame has been reduced to stability when having improved the second gib block and having slided.

Optionally, the two side faces of the support frame perpendicular to the first sliding strip and the second sliding strip are respectively connected with a limiting plate, and the first sliding groove and the second sliding groove are located between the two limiting plates.

Through adopting above-mentioned technical scheme, two limiting plates have the restriction effect, have reduced the possibility that first strip and the second strip that slides breaks away from the support frame.

Optionally, a rubber layer in a semicircular arc shape is laid in the positioning groove.

Through adopting above-mentioned technical scheme, the rubber layer is used for reducing the clamping block and presss from both sides the possibility of warping in the clamping process.

Optionally, the first clamping block is connected with a positioning plate, the second clamping block is connected with an inserting block, an inserting groove is formed in the side face, facing the positioning plate, of the inserting block, the positioning plate is fixedly connected with an inserting plate which is used for being matched with the inserting groove in an inserting mode, a positioning hole is vertically formed in the inserting plate, a mounting hole is vertically formed in the inserting block, and when the inserting plate is inserted into the inserting groove, the mounting hole and the positioning hole are coaxially communicated and inserted with a positioning pin.

Through adopting above-mentioned technical scheme, when first clamp tight piece and second clamp tight piece and press from both sides the pipe fitting jointly and press from both sides tightly, the plugboard is pegged graft in the inserting groove, and the staff inserts the locating pin and establishes in locating hole and mounting hole to the location effect to the clamp piece has been realized.

Optionally, the first clamping block slides on the upper surface of the second sliding strip, and the second clamping block slides on the upper surface of the first sliding strip.

Through adopting above-mentioned technical scheme, first clamp tight piece slides on the second strip that slides, and the second presss from both sides tight piece and slides on first strip that slides to this has increased first clamp tight piece and the second and has pressed from both sides the tight area of clamp of piece to the pipe fitting, thereby has improved on the one hand and has pressed from both sides tight degree, and on the other hand has improved the stability when first clamp tight piece and the second clamp tight piece slide.

To sum up, the application comprises the following beneficial technical effects: through the cooperation of gear and two racks, the first tight piece of clamp of drive and the tight piece of second clamp are close to each other the back and are supported tightly, have reached the effect that the staff of being convenient for advances line location to the pipe fitting.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying a gear and a rack.

Fig. 3 is a schematic structural diagram for embodying the patch panel and the patch block.

Fig. 4 is a schematic structural view for embodying the positioning pin.

Description of reference numerals: 1. clamping the sleeve; 2. a support frame; 21. a support plate; 22. a fixing plate; 221. a first sliding groove; 222. a second sliding groove; 23. a first glide bar; 231. a first guide bar; 232. a first clamping block; 233. positioning a plate; 234. a plugboard; 235. positioning holes; 24. a second glide bar; 241. a second guide bar; 242. a second clamping block; 243. an insertion block; 244. inserting grooves; 245. mounting holes; 25. a limiting plate; 26. a rotating shaft; 27. positioning a groove; 271. a rubber layer; 3. a connecting rod; 4. a rack; 5. a gear; 6. a sprocket; 7. a chain; 8. a drive assembly; 81. a worm gear; 82. a worm; 83. a hand wheel; 9. positioning pins; 91. against the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a pipe fitting positioner for bending machine. Referring to fig. 1, the pipe positioning device for the pipe bender comprises two clamping sleeves 1 and two supporting frames 2, wherein the clamping sleeves 1 are in a semicircular arc shape. Two connecting rods 3 are fixedly connected to the working platform of the pipe bending machine, and the two connecting rods 3 are arranged oppositely along the length direction of the working platform of the pipe bending machine. The clamping sleeve 1 and the connecting rod 3 are in one-to-one correspondence, and the clamping sleeve 1 is fixedly connected to the top end of the connecting rod 3. The axes of the two gripping sleeves 1 are collinear and the operator places the tubular within the gripping sleeve 1.

Referring to fig. 1, three groups of support frames 2 are arranged on a working platform of the pipe bender, and the support frames 2 and the clamping sleeves 1 are arranged alternately one by one. The support frame 2 comprises two support plates 21 and two fixing plates 22, the connecting line between the two support plates 21 is perpendicular to the length direction of the working platform of the pipe bending machine, and the support plates 21 are fixedly connected to the working platform of the pipe bending machine.

Referring to fig. 1 and 2, the fixing plate 22 is horizontally disposed, and the fixing plate 22 is fixedly connected to the top of the two support plates 21. The upper surface of the fixed plate 22 is provided with a first sliding groove 221 and a second sliding groove 222 which are parallel to each other, and the length direction of the first sliding groove 221 and the length direction of the second sliding groove 222 are both perpendicular to the length direction of the working platform of the pipe bender. Both ends of the first sliding groove 221 in the length direction penetrate through both side surfaces of the fixed plate 22, both ends of the second sliding groove 222 in the length direction penetrate through both side surfaces of the fixed plate 22, and both vertical cross sections of the first sliding groove 221 and the second sliding groove 222 are in a dovetail shape.

Referring to fig. 1 and 2, a first sliding bar 23 and a second sliding bar 24 are slidably connected to the fixing plate 22, and the first sliding bar 23 and the second sliding bar 24 are parallel to each other and have a distance. The length direction of the first sliding strip 23 and the length direction of the second sliding strip 24 are both perpendicular to the length direction of the working platform of the pipe bender.

Referring to fig. 2, the bottom wall of the first sliding strip 23 is integrally formed with a first guide strip 231, and the vertical section of the first guide strip 231 is in a dovetail shape. The first guide strip 231 slides in the first sliding groove 221, so that the possibility that the first sliding strip 23 is separated from the fixed plate 22 is reduced, and the stability of the first sliding strip 23 during sliding is improved.

Referring to fig. 2, a second guide bar 241 is integrally formed on the bottom wall of the second sliding bar 24, and the vertical section of the second guide bar 241 is dovetail-shaped. The second guide bar 241 slides in the second sliding groove 222, so that the possibility that the second sliding bar 24 is separated from the fixed plate 22 is reduced, and the stability of the second sliding bar 24 during sliding is improved.

Referring to fig. 2, the fixed plate 22 is bolted with the limit plates 25 at two side surfaces perpendicular to the length direction of the first sliding groove 221 and the second sliding groove 222, the first sliding groove 221 and the second sliding groove 222 are located between the two limit plates 25, and the upper surface of the limit plates 25 is flush with the upper surface of the fixed plate 22. The two limit plates 25 have a limiting function, and the possibility that the first sliding strip 23 and the second sliding strip 24 are separated from the fixed plate is reduced.

Referring to fig. 2, the first sliding strip 23 and the second sliding strip 24 are fixedly connected with the rack 4 on the opposite side respectively, the fixed plate 22 is provided with a vertical rotating shaft 26 in a penetrating manner, the rotating shaft 26 is located between the first sliding strip 23 and the second sliding strip 24, the rotating shaft 26 is rotatably connected with the fixed plate 22, the gear 5 is fixedly sleeved on the top end of the rotating shaft 26, and the gear 5 is meshed with the two racks 4 respectively.

Referring to fig. 1, the lower end of the rotating shaft 26 penetrates through the fixing plate 22 and is fixedly sleeved with the chain wheels 6, and the three chain wheels 6 are sleeved with the chains 7. The working platform of the pipe bender is provided with a driving assembly 8 for driving the rotating shaft 26 to rotate. The driving assembly 8 comprises a worm wheel 81 and a worm 82, the worm wheel 81 is fixedly sleeved at the bottom end of the rotating shaft 26 positioned at the center of the chain 7, the worm 82 penetrates through the two supporting plates 21 corresponding to the rotating shaft 26, the worm 82 is respectively and rotatably connected with the two supporting plates 21, the worm 82 is meshed with the worm wheel 81, and one end of the worm 82 penetrates through the supporting plates 21 and is fixedly connected with a hand wheel 83.

Referring to fig. 1, when it is required to drive the rotation shaft 26 to rotate, the worker rotates the hand wheel 83, the hand wheel 83 drives the worm 82 to rotate, and the worm 82 is engaged with the worm wheel 81, so as to drive the rotation shaft 26 located at the center of the chain 7 to rotate. The three rotating shafts 26 rotate synchronously by the linkage action of the chain 7 and the chain wheel 6, so that the effect of driving the rotating shafts 26 to rotate is achieved.

Referring to fig. 1, a first clamping block 232 is fixedly connected to the first sliding strip 23, a second clamping block 242 is fixedly connected to the second sliding strip 24, and a connecting line between the first clamping block 232 and the second clamping block 242 is perpendicular to the length direction of the working platform of the pipe bending machine.

Referring to fig. 1, the first clamping block 232 slides on the upper surface of the second sliding bar 24, and the second clamping block 242 slides on the upper surface of the first sliding bar 23. The clamping area of the first clamping block 232 and the second clamping block 242 to the pipe fitting is increased, so that the clamping degree is improved on one hand, and the stability of the first clamping block 232 and the second clamping block 242 during sliding is improved on the other hand.

Referring to fig. 3, the positioning grooves 27 are respectively formed on the opposite side surfaces of the first clamping block 232 and the second clamping block 242, and the positioning grooves 27 are in a semi-circular arc shape. A semi-arc rubber layer 271 is laid in the positioning groove 27, and the rubber layer 271 and the inner wall of the positioning groove 27 are fixed by gluing.

Referring to fig. 1 and 2, the worker drives the rotating shaft 26 to rotate, the rotating shaft 26 drives the gear 5 to rotate, and the gear 5 is engaged with the two racks 4, so as to drive the first clamping block 232 and the second clamping block 242 to move toward the direction approaching to each other. Referring to fig. 3, when the first clamping block 232 and the second clamping block 242 abut against each other, the pipe is clamped in the two positioning grooves 27, so that the rubber layer 271 is attached to the pipe, the pipe is positioned, and meanwhile, the rubber layer 271 reduces the possibility that the pipe is deformed due to extrusion.

Referring to fig. 1 and 3, the positioning plates 233 are respectively connected to the three first clamping blocks 232, and the insertion blocks 243 are respectively connected to the three second clamping blocks 242. The side of the insertion block 243 facing the positioning plate 233 is provided with an insertion groove 244, and the side of the positioning plate 233 facing the insertion block 243 is fixedly connected with a horizontally arranged insertion plate 234. When the two clamping blocks are brought closer together, the mating plate 234 is mated within the mating groove 244.

Referring to fig. 3 and 4, a positioning hole 235 is vertically formed on the insertion plate 234, a mounting hole 245 is vertically formed on the insertion groove 244, and the mounting hole 245 is communicated with the insertion groove 244. When the insertion plate 234 is inserted into the insertion groove 244, the mounting hole 245 and the positioning hole 235 are coaxially disposed and inserted with the positioning pin 9. The top end integrated into one piece of locating pin 9 has conflict board 91, and conflict board 91 conflicts at the upper surface of grafting piece 243, and the staff of being convenient for takes locating pin 9. The positioning pin 9 positions the first clamping block 232 and the second clamping block 242, so that the stability of the first clamping block 232 and the second clamping block 242 in clamping the pipe fitting is improved.

The implementation principle of the pipe positioning device for the pipe bender is as follows: the worker firstly places the pipe fitting in the clamping sleeve 1, then rotates the hand wheel 83, the hand wheel 83 drives the worm 82 to rotate, the worm 82 is in meshed transmission with the worm wheel 81, and the worm wheel 81 drives the rotating shaft 26 positioned at the center of the chain 7 to rotate. Under the linkage action of the chain 7 and the chain wheel 6, the three rotating shafts 26 rotate synchronously. The rotating shaft 26 drives the gear 5 to rotate, the gear 5 is meshed with the rack 4 for transmission, and the first sliding strip 23 and the second sliding strip 24 are driven to move in a staggered manner, so that the first clamping block 232 and the second clamping block 242 are driven to approach each other. When the first clamping block 232 and the second clamping block 242 abut against each other, the first clamping block 232 and the second clamping block 242 clamp the pipe in the positioning groove 27. Finally, the worker inserts the positioning pin 9 into the positioning hole 235 and the mounting hole 245, so as to clamp and position the pipe fitting.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pipe fitting positioner for bending machine which characterized in that: the pipe bending machine comprises clamping sleeves (1) and a support frame (2), wherein the clamping sleeves (1) are in a semicircular arc shape, the two clamping sleeves (1) are arranged oppositely along the length direction of a working platform of the pipe bending machine, pipe fittings are placed on the two clamping sleeves (1), the support frame (2) is fixed on the working platform of the pipe bending machine, the support frame (2) is connected with a first sliding strip (23) and a second sliding strip (24) in a sliding manner, the first sliding strip (23) and the second sliding strip (24) are parallel to each other and have intervals, the first sliding strip (23) and the second sliding strip (24) are arranged perpendicular to the length direction of the working platform of the pipe bending machine, the opposite side surfaces of the first sliding strip (23) and the second sliding strip (24) are respectively connected with a rack (4), a rotating shaft (26) is vertically penetrated through the support frame (2), and the rotating shaft (26) is rotatably connected with, the top of axis of rotation (26) is worn out support frame (2) and fixed cover and is equipped with gear (5), gear (5) are located between two racks (4) and mesh mutually with two racks (4) respectively, be equipped with on the work platform of bending machine and be used for driving axis of rotation (26) pivoted drive assembly (8), the first tight piece (232) of clamp of fixedly connected with on first strip (23) that slides, the second presss from both sides tight piece (242) of fixedly connected with second on the strip (24) that slides, the line perpendicular to bending machine work platform's length direction between the tight piece (242) of first clamp (232) and second clamp, the relative side of the tight piece (242) of first clamp (232) and second is opened constant head tank (27) respectively, constant head tank (27) are half circular arc shape.

2. The tube positioning device for the bender according to claim 1, wherein: the supporting frame (2) is provided with a plurality of chains along the axial direction of the clamping sleeve (1), the lower end of the rotating shaft (26) penetrates out of the supporting frame (2) and is fixedly sleeved with the chain wheel (6), and the chain (7) is sleeved on the chain wheels (6).

3. The tube positioning device for the bender according to claim 2, wherein: drive assembly (8) include worm wheel (81) and worm (82), and worm wheel (81) fixed cover is established in the bottom of one of them axis of rotation (26), and worm (82) rotate to be connected on support frame (2) that this axis of rotation (26) corresponds, and worm (82) mesh mutually with worm wheel (81).

4. The tube positioning device for the bender according to claim 1, wherein: the upper surface of support frame (2) is opened has first groove (221) and the second groove (222) that slides that are parallel to each other, the diapire integrated into one piece of first strip (23) that slides has first gib block (231) of sliding in first groove (221) that slides, the vertical cross-section of first gib block (231) and first groove (221) that slides all is the dovetail, the diapire integrated into one piece of second strip (24) that slides has second gib block (241) of sliding in second groove (222), the vertical cross-section of second gib block (241) and second groove (222) that slides all is the dovetail.

5. The tube positioning device for the bender according to claim 1, wherein: two side faces of the support frame (2) perpendicular to the first sliding strip (23) and the second sliding strip (24) are respectively connected with a limiting plate (25), and the first sliding groove (221) and the second sliding groove (222) are located between the two limiting plates (25).

6. The tube positioning device for the bender according to claim 1, wherein: a semi-arc rubber layer (271) is laid in the positioning groove (27).

7. The tube positioning device for the bender according to claim 2, wherein: be connected with locating plate (233) on first clamp piece (232), be connected with on second clamp piece (242) and insert piece (243), insert piece (243) are opened towards the side of locating plate (233) has inserting groove (244), fixedly connected with is used for pegging graft complex plugboard (234) with inserting groove (244) on locating plate (233), vertical division has locating hole (235) on plugboard (234), vertical division has mounting hole (245) on inserting piece (243), when plugboard (234) are pegged graft in inserting groove (244), mounting hole (245) and locating hole (235) coaxial intercommunication and plug in are equipped with locating pin (9).

8. The tube positioning device for the bender according to claim 1, wherein: the first clamping block (232) slides on the upper surface of the second sliding strip (24), and the second clamping block (242) slides on the upper surface of the first sliding strip (23).