CN212917927U

CN212917927U - Roll over arm tapping machine

Info

Publication number: CN212917927U
Application number: CN202021132047.0U
Authority: CN
Inventors: 郑景志
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-04-09
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a roll over arm tapping machine belongs to lathe technical field. The technical problem that after the existing folding arm tapping machine is used for a period of time, the elasticity of an air spring is lost, so that the lifting speed of a cantilever is low or the cantilever cannot be reset to the original height is solved. This roll over arm tapping machine in stores pylon on the lateral wall about the symmetry be equipped with long banding guiding hole, be equipped with the regulation pole that runs through two guiding holes in the stores pylon, the below of adjusting the pole is equipped with the base rod parallel with adjusting the pole, the both ends of base rod link firmly in the stores pylon respectively, adjusting bolt along vertical direction run through adjust pole and base rod and with adjust pole and base rod threaded connection, the left and right sides of cantilever all is equipped with nitrogen spring, two nitrogen spring's one end respectively with adjust the rotatable fixed in both ends of pole, two nitrogen spring's the other end respectively with the rotatable both sides that link firmly at upside cantilever middle part. The utility model discloses thereby control adjusting bolt rotates and makes nitrogen gas spring tensioning again, ensures that nitrogen gas spring keeps better elasticity always.

Description

Roll over arm tapping machine

Technical Field

The utility model belongs to the technical field of the lathe, refer in particular to a roll over arm tapping machine.

Background

The folding arm tapping machine is a machine tool for processing internal threads by using a screw tap, and is two internal thread processing machines which are most widely applied.

At present, the both ends of its air spring of current roll over arm tapping machine are generally fixed in respectively on two cantilevers or be fixed in cantilever and stores pylon respectively, and the elasticity of using the air spring after a period must have some losses, can lead to the cantilever to lift up speed slower or can't reset to the condition appearance of original height, influence the result of use.

Disclosure of Invention

The utility model aims at providing a longer roll over arm tapping machine of life.

The purpose of the utility model is realized like this:

the utility model provides a roll over arm tapping machine which characterized in that: the hanging rack comprises a base, a spiral arm, two cantilevers and a tapping assembly, wherein the spiral arm is obliquely arranged, the lower end of the spiral arm is rotatably connected with the base around a vertically arranged rotating shaft, the spiral arm is rotatably connected with a hanging rack, the rotating shafts of the hanging rack and the spiral arm are arranged along the vertical direction, the two cantilevers are arranged in parallel, one ends of the two cantilevers are hinged and fixed with the outer end part of the hanging rack, the other ends of the two cantilevers are hinged and fixed with one end of a mounting rack, the tapping assembly is connected with the other end of the mounting rack, long strip-shaped guide holes are symmetrically arranged on the left side wall and the right side wall of the hanging rack, the distance D1 between the upper end of each guide hole and the rotating shaft of the hanging rack is larger than the distance D2 between the lower end of each guide hole and the rotating shaft of the hanging rack, an adjusting rod which simultaneously, adjusting bolt runs through adjusting pole and base pole and with adjusting pole and base pole threaded connection along vertical direction, rotates adjusting bolt and can control the regulation pole and remove along the guiding hole, the left and right sides of cantilever all is equipped with the nitrogen gas spring, and the one end of two nitrogen gas springs is rotatable fixed with the both ends of adjusting the pole respectively, and the other end of two nitrogen gas springs is rotatable with the left and right sides at upside cantilever middle part respectively and links firmly.

This roll over arm tapping machine is through setting up the base pole, adjust pole and adjusting bolt, thereby it reciprocates along the guiding hole to control the regulation pole through rotating adjusting bolt and reciprocates thereby the one end of drive nitrogen spring reciprocates along the guiding hole, when just beginning work, nitrogen spring's elasticity is more sufficient, can make the regulation pole be located the upper end of guiding hole, after using a period, thereby control adjusting bolt rotates and makes nitrogen spring tensioning again, ensure that nitrogen spring keeps better elasticity always, make the cantilever lift up speed and keep on standard speed all the time, and make the cantilever can reset to original height, be favorable to improving this life who rolls over arm tapping machine.

In the above arm folding threading machine, a handle for controlling the rotation of the adjusting bolt is fixed at the upper end of the adjusting bolt.

The handle is arranged to enable the adjustment to be more convenient and faster.

In the above-described folding arm threading machine, the distance D3 between the upper suspension arm and the hinge shaft of the hanger and the hanger rotation axis is greater than the distance D4 between the lower suspension arm and the hinge shaft of the hanger and the hanger rotation axis.

On the basis that D1 is larger than D2, D3 is larger than D4, so that the nitrogen spring is gradually pulled close when the adjusting rod moves from the upper end of the guide hole to the lower end of the guide hole, and the elastic force of the nitrogen spring is kept constant all the time.

In foretell roll over arm tapping machine, the tapping subassembly includes the tapping head, with the rotatable fixed mount pad of mounting bracket and be used for connecting the connecting piece of mount pad and tapping head, the mounting bracket sets up along the horizontal direction with the connecting axle of mount pad, be equipped with the mounting hole of the above-mentioned connecting axle of perpendicular to in the mount pad, the back tip of connecting piece inserts in the mounting hole and can be around the rotatable fixed of axis of mounting hole, the upper end of tapping head can be dismantled fixedly with the preceding tip of connecting piece, the axis of the axis perpendicular to mounting hole of tapping head.

In the above arm folding threading machine, an adjusting hole perpendicular to the mounting hole is provided in the mounting seat, the adjusting hole is located at the upper end or the lower end of the mounting hole and has an overlapping portion with the mounting hole, a movable block is provided at the inner end of the adjusting hole, a fixed block is provided at the outer end of the adjusting hole, the fixed bolt passes through the fixed block and is in threaded connection with the movable block, and the movable block and the fixed block are located in the mounting hole, and the structures of the movable block and the fixed block are matched with the mounting hole.

In foretell roll over arm tapping machine, the stores pylon includes the bed frame and is fixed in the link plate of the bed frame left and right sides, the bed frame sets up along vertical direction with the axis of rotation of spiral arm, and the rear end of two link plates all links firmly with the bed frame, and the rear end of two cantilevers all stretches into between two link plates and is fixed with the preceding tip hinge of link plate, the guiding hole is located on the link plate between cantilever rear end and the bed frame.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a set up the base pole, adjust pole and adjusting bolt, thereby it reciprocates along the guiding hole and reciprocates to drive nitrogen spring's one end along the guiding hole through rotating adjusting bolt control regulation pole, when just beginning work, nitrogen spring's elasticity is more sufficient, can make the regulation pole be located the upper end of guiding hole, after using a period, thereby control adjusting bolt rotates and makes nitrogen spring tensioning again, ensure that nitrogen spring keeps better elasticity always, make the cantilever lift up speed and keep on standard speed all the time, and make the cantilever can reset to original height, be favorable to improving this life who rolls over arm tapping machine.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the adjusting bolt of the present invention.

Fig. 3 is a cross-sectional view of the present invention at the mounting seat.

In the figure, 1, a base; 2. a swing arm; 3. a cantilever; 4. a hanger; 5. a mounting frame; 6. a guide hole; 7. adjusting a rod; 8. a base shaft; 9. adjusting the bolt; 10. a nitrogen spring; 11. a handle; 12. a tapping head; 13. a mounting seat; 14. a connecting member; 15. mounting holes; 16. an adjustment hole; 17. a movable block; 18. a fixed block; 19. fixing the bolt; 20. a base frame; 21. the board is hung.

Detailed Description

The invention will be further described with reference to specific embodiments in conjunction with the accompanying drawings, see fig. 1-3:

the folding arm tapping machine comprises a base 1, a rotary arm 2, cantilevers 3 and a tapping assembly, wherein the rotary arm 2 is obliquely arranged, the lower end of the rotary arm 2 is rotatably connected with the base 1 around a vertically arranged rotating shaft, the rotary arm 2 is rotatably connected with a hanging frame 4, the rotating shafts of the hanging frame 4 and the rotary arm 2 are arranged along the vertical direction, the cantilevers 3 are arranged in parallel, one ends of the cantilevers 3 are hinged and fixed with the outer end part of the hanging frame 4, the other ends of the cantilevers 3 are hinged and fixed with one end of a mounting frame 5, the tapping assembly is connected with the other end of the mounting frame 5, strip-shaped guide holes 6 are symmetrically arranged on the left side wall and the right side wall of the hanging frame 4, the distance D1 between the upper end of each guide hole 6 and the rotating shaft of the hanging frame 4 is larger than the distance D2 between the lower end of each guide hole 6 and the rotating shaft of the hanging frame 4, the both ends of base pole 8 link firmly in stores pylon 4 respectively, adjusting bolt 9 along vertical direction run through adjust pole 7 and base pole 8 and with adjust pole 7 and base pole 8 threaded connection, it can control and adjust pole 7 and remove along guiding hole 6 to rotate adjusting bolt 9, the left and right sides of cantilever 3 all is equipped with nitrogen spring 10, the one end of two nitrogen spring 10 respectively with adjust the rotatable fixed in both ends of pole 7, the other end of two nitrogen spring 10 respectively with the rotatable link joint in the left and right sides at 3 middle parts of upside cantilever.

This roll over arm tapping machine is through setting up base pole 8, adjust pole 7 and adjusting bolt 9, thereby it reciprocates along guiding hole 6 to adjust pole 7 through rotating adjusting bolt 9 control thereby the one end of drive nitrogen spring 10 reciprocates along guiding hole 6, when just beginning work, nitrogen spring 10's elasticity is more sufficient, can make adjust pole 7 be located the upper end of guiding hole 6, after using a period, thereby control adjusting bolt 9 rotates and makes nitrogen spring 10 take up again, ensure that nitrogen spring 10 keeps better elasticity always, make cantilever 3 lift speed remain throughout at standard speed, and make cantilever 3 can reset to original height, be favorable to improving this life who rolls over arm tapping machine.

As shown in fig. 1 and 3, a handle 11 for controlling the rotation of the adjusting bolt 9 is fixed at the upper end of the adjusting bolt 9, and the handle 11 is arranged to facilitate and speed the adjustment; the distance D3 between the upper cantilever 3 and the hinge shaft of the hanging rack 4 and the rotating shaft of the hanging rack 4 is greater than the distance D4 between the lower cantilever 3 and the hinge shaft of the hanging rack 4 and the rotating shaft of the hanging rack 4, on the basis that D1 is greater than D2, D3 is greater than D4, when the adjusting rod 7 moves from the upper end of the guide hole 6 to the lower end of the guide hole 6, the nitrogen spring 10 is gradually drawn close, and the elastic force of the nitrogen spring 10 is always kept constant.

Further, the tapping subassembly includes tapping head 12, with mounting bracket 5 rotatable fixed mount pad 13 and be used for connecting mount pad 13 and tapping head 12's connecting piece 14, mounting bracket 5 sets up along the horizontal direction with the connecting axle of mount pad 13, be equipped with the mounting hole 15 of the above-mentioned connecting axle of perpendicular to in the mount pad 13, the back tip of connecting piece 14 inserts in the mounting hole 15 and can be around the rotatable fixed of the axis of mounting hole 15, the upper end of tapping head 12 can be dismantled fixedly with the preceding tip of connecting piece 14, the axis of tapping head 12's axis perpendicular to mounting hole 15's axis.

Furthermore, an adjusting hole 16 perpendicular to the mounting hole 15 is formed in the mounting base 13, the adjusting hole 16 is located at the upper end or the lower end of the mounting hole 15 and has an overlapping portion with the mounting hole 15, a movable block 17 is arranged at the inner end of the adjusting hole 16, a fixed block 18 is arranged at the outer end of the adjusting hole 16, a fixed bolt 19 penetrates through the fixed block 18 and is in threaded connection with the movable block 17, and the movable block 17 and the fixed block 18 are located in the mounting hole 15, and the structure of the movable block 17 and the fixed block 18 is matched with the mounting hole 15.

Further, the stores pylon 4 includes bed frame 20 and the link plate 21 that is fixed in the bed frame 20 left and right sides, and the axis of rotation of bed frame 20 and spiral arm 2 sets up along vertical direction, and the rear end of two link plates 21 all links firmly with bed frame 20, and the rear end of two cantilevers 3 all stretches into between two link plates 21 and is articulated fixed with the preceding tip of link plate 21, and guiding hole 6 is located on the link plate 21 between 3 rear ends of cantilever and the bed frame 20.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a roll over arm tapping machine which characterized in that: the hanging rack comprises a base, a spiral arm, two cantilevers and a tapping assembly, wherein the spiral arm is obliquely arranged, the lower end of the spiral arm is rotatably connected with the base around a vertically arranged rotating shaft, the spiral arm is rotatably connected with a hanging rack, the rotating shafts of the hanging rack and the spiral arm are arranged along the vertical direction, the two cantilevers are arranged in parallel, one ends of the two cantilevers are hinged and fixed with the outer end part of the hanging rack, the other ends of the two cantilevers are hinged and fixed with one end of a mounting rack, the tapping assembly is connected with the other end of the mounting rack, long strip-shaped guide holes are symmetrically arranged on the left side wall and the right side wall of the hanging rack, the distance D1 between the upper end of each guide hole and the rotating shaft of the hanging rack is larger than the distance D2 between the lower end of each guide hole and the rotating shaft of the hanging rack, an adjusting rod which simultaneously, adjusting bolt runs through adjusting pole and base pole and with adjusting pole and base pole threaded connection along vertical direction, rotates adjusting bolt and can control the regulation pole and remove along the guiding hole, the left and right sides of cantilever all is equipped with the nitrogen gas spring, and the one end of two nitrogen gas springs is rotatable fixed with the both ends of adjusting the pole respectively, and the other end of two nitrogen gas springs is rotatable with the left and right sides at upside cantilever middle part respectively and links firmly.

2. The folding arm threading machine according to claim 1, wherein: and a handle for controlling the adjusting bolt to rotate is fixed at the upper end of the adjusting bolt.

3. The folding arm threading machine according to claim 1, wherein: the distance D3 between the upper suspension arm and the hinge axis of the pylon and the axis of rotation of the pylon is greater than the distance D4 between the lower suspension arm and the hinge axis of the pylon and the axis of rotation of the pylon.

4. The folding arm threading machine according to any one of claims 1 to 3, wherein: the tapping subassembly is including tapping the head, with the rotatable fixed mount pad of mounting bracket and be used for connecting the mount pad and the connecting piece of tapping the head, the mounting bracket sets up along the horizontal direction with the connecting axle of mount pad, be equipped with the mounting hole of the above-mentioned connecting axle of perpendicular to in the mount pad, the back tip of connecting piece inserts in the mounting hole and can be around the rotatable fixed of axis of mounting hole, the upper end of tapping the head can be dismantled fixedly with the preceding tip of connecting piece, the axis of the axis perpendicular to mounting hole of tapping the head.

5. The folding arm threading machine according to claim 4, wherein: the adjustable mounting seat is characterized in that an adjusting hole perpendicular to the mounting hole is formed in the mounting seat, the adjusting hole is located at the upper end or the lower end of the mounting hole and is overlapped with the mounting hole, a movable block is arranged at the inner end of the adjusting hole, a fixed block is arranged at the outer end of the adjusting hole, a fixed bolt penetrates through the fixed block and is in threaded connection with the movable block, and the movable block and the fixed block are located in the mounting hole, and the structures of the movable block and the fixed block are matched with the mounting hole.

6. The folding arm threading machine according to any one of claims 1 to 3, wherein: the stores pylon includes the bed frame and is fixed in the link plate of the bed frame left and right sides, the bed frame sets up along vertical direction with the axis of rotation of spiral arm, and the rear end of two link plates all links firmly with the bed frame, and the rear end of two cantilevers all stretches into between two link plates and with the preceding tip of link plate articulated fixed, the guiding hole is located on the link plate between cantilever rear end and the bed frame.