CN214489552U - Pneumatic screw feeding device - Google Patents

Abstract

The utility model relates to a pneumatic loading attachment of screw, belong to screw conveying equipment's technical field, it includes the base, perpendicular fixedly connected with frame on the base, be equipped with screw positioner in the frame, screw positioner includes slide and the location section of thick bamboo that is used for the screw to pass through, the slide is with the vertical sliding connection of frame, a location section of thick bamboo links to each other with the slide, a location section of thick bamboo is parallel with the slip direction of slide, a location section of thick bamboo is perpendicular with the base, a location section of thick bamboo is close to one side of base and has seted up the ring channel, the ring channel is seted up along the length direction of a location section of thick bamboo, sliding connection has the buffer tube coaxial with a location section of thick bamboo in the ring channel, the slip direction of a buffer tube is the same with the slip direction of slide, a location barrel housing is equipped with the buffer spring who is located the ring channel, buffer spring links to each other with one side that the base was kept away from to the buffer tube. The screw positioning device has the advantages that the possibility that the screw positioning device extrudes and deforms a workpiece is reduced, and the quality of the workpiece is guaranteed.

Description

Pneumatic screw feeding device

Technical Field

The application relates to the field of screw conveying equipment, in particular to a pneumatic screw feeding device.

Background

The screw is the commonly used connecting piece at present, because the manual screw of screwing is very arduous, so the full-automatic screw device of utilizing of present manufacturing enterprise screws.

The related art can refer to chinese patent with publication number CN207026926U, which discloses an automatic screw machine for protecting a threaded hole of a painted workpiece, comprising: the screw locking mechanism comprises a screw locking head device and a screw positioning device, the screw positioning device is connected with a screw conveying channel to receive and position screws, the screw positioning device is fixed at the lower part of the transverse moving plate, the screw locking head device is arranged on a lifting platform, the lifting mechanism can drive the head of the screw locking head device to move downwards to the screw positioning device, the screw locking head device can rotate the head to lock the screws, a pressing device capable of pressing workpieces in workpiece grooves is arranged on the working platform, and the workpieces are sequentially placed in the workpiece grooves during working, and the workpiece is pressed and positioned through a pressing device, and finally screws are screwed on the threaded holes of the workpiece through the cooperation of the transverse moving mechanism, the lifting mechanism, the screwing mechanism and at least two groups of longitudinal moving mechanisms.

In view of the above-mentioned related technologies, the inventor believes that, in the process of driving a screw on a workpiece by a screw positioning device, when the screw positioning device approaches the workpiece, the screw positioning device may extrude the workpiece, which may easily deform the workpiece, resulting in a reduction in the quality of the workpiece.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that screw positioner extrudees the deformation with the work piece, guarantee the quality of work piece, this application provides a screw pneumatic feeding device.

The application provides a pneumatic loading attachment of screw adopts following technical scheme:

a pneumatic screw feeding device comprises a base, a frame is vertically and fixedly connected to the base, the frame is provided with a screw positioning device, the screw positioning device comprises a sliding seat and a positioning cylinder for passing a screw, the slide seat is vertically connected with the frame in a sliding way, the positioning cylinder is connected with the slide seat, the positioning cylinder is parallel to the sliding direction of the slide seat, the positioning cylinder is vertical to the base, an annular groove is arranged on one side of the positioning cylinder close to the base, the annular groove is arranged along the length direction of the positioning cylinder, a buffer cylinder which is coaxial with the positioning cylinder is connected in the annular groove in a sliding manner, the sliding direction of the buffer cylinder is the same as that of the sliding seat, the positioning barrel is sleeved with a buffer spring positioned in the annular groove, the buffer spring is connected with one side, far away from the base, of the buffer barrel, and when the buffer spring is in a natural state, the buffer barrel protrudes out of the lower surface of the positioning barrel.

Through adopting above-mentioned technical scheme, when needing to beat the screw to the work piece, the work piece is placed on the base, and the slide slides in the frame, and then drives a location section of thick bamboo and be close to the work piece, and then drives the buffer cylinder and be close to the work piece, and when work piece and buffer cylinder conflict, the buffer cylinder slides in the ring channel, and then compression buffer spring, and then can cushion the pressure between work piece and the buffer cylinder, can reduce the in-process of beating the screw, the location section of thick bamboo is with the possibility of work piece extrusion deformation, guarantee the quality of work piece.

Optionally, the positioning cylinder is rotatably connected with the sliding seat.

Through adopting above-mentioned technical scheme, when the screw rotated in a location section of thick bamboo, can drive a location section of thick bamboo and rotate, can reduce the wearing and tearing between screw and the location section of thick bamboo, guarantee the installation quality of screw.

Optionally, the buffer cylinder is coaxially and rotatably connected with the positioning cylinder.

Through adopting above-mentioned technical scheme, after buffer cylinder contradicts with the work piece, the location section of thick bamboo rotates and can reduce the wearing and tearing between buffer cylinder and the work piece, and then guarantees the processingquality of work piece.

Optionally, the buffer cylinder includes barrel and ring, the barrel rotates with the ring is coaxial to be connected, the ring is located the barrel and keeps away from one side of base, buffer spring links to each other with the ring.

Through adopting above-mentioned technical scheme, the buffer spring pivoted in-process is driven to the location section of thick bamboo, and buffer spring drives the ring and rotates, can reduce the wearing and tearing between buffer spring and the ring, and then can prolong the life of buffer spring and ring.

Optionally, a coaxial buffer rod is connected to the positioning cylinder in a sliding mode, the buffer rod can slide along the axis of the positioning cylinder, a sliding groove is formed in one end, close to the base, of the buffer rod along the axis of the buffer rod, and a screwdriver matched with the screw is connected to the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, the screwdriver is close to the screw when the buffer beam slides, and the screwdriver slides in the spout this moment, can reduce the impact force between screwdriver and the screw, guarantees to beat the quality of screw.

Optionally, a fixing spring is fixedly connected to the sliding groove, one end of the fixing spring is fixedly connected with one end, far away from the base, of the screwdriver, and the other end of the fixing spring is fixedly connected with one end, far away from the base, of the sliding groove.

Through adopting above-mentioned technical scheme, the screwdriver compresses fixed spring, and fixed spring promotes the screwdriver and is close to the screw, guarantees to beat the in-process of screw, and the stability of being connected between screwdriver and the screw guarantees to beat the efficiency of screw.

Optionally, the supporting rod parallel with the positioning cylinder is fixedly connected to the sliding seat, the supporting rod is close to the positioning cylinder, one side, far away from the base, of the buffer rod is coaxially rotatably connected with a rotating ring, the rotating ring is fixedly connected with a tension spring, and one end, far away from the rotating ring, of the tension spring is fixedly connected with one end, far away from the base, of the support rod.

Through adopting above-mentioned technical scheme, when need not beating the screw, the extension spring can stimulate the rotating ring and then stimulate buffer lever and screwdriver and remove to the direction of keeping away from the base, makes things convenient for the next screw operation of beating, beats the in-process of screw simultaneously, and the extension spring is stretched, and the buffer lever rotates with the rotating ring relatively, can guarantee to beat the normal operating of screw.

Optionally, the lateral wall that a location section of thick bamboo is close to base one end articulates there are two just right baffles, the lateral wall fixedly connected with spacing spring of a location section of thick bamboo, one side fixed connection that the base was kept away from to the one end that a location section of thick bamboo was kept away from with the baffle to spacing spring, when spacing spring was in natural state, two the baffle was close to the one end of base and is contradicted each other.

Through adopting above-mentioned technical scheme, spacing spring promotes the baffle and is close to each other, makes the baffle shelter from the screw, can reduce the possibility that the screw drops from a location section of thick bamboo.

Optionally, one side of the baffle plate, which is close to each other, is provided with an inclined surface, and one side of the inclined surface, which is far away from the base, inclines towards the direction far away from the positioning cylinder.

Through adopting above-mentioned technical scheme, the inclined plane can make things convenient for the screw to promote two baffles to the direction that two baffles deviate from each other, makes things convenient for the screw to be connected with the work piece.

Optionally, one side of the baffle close to the base is rotatably connected with a pulley, and a rotating shaft of the pulley is parallel to a hinged shaft of the baffle.

Through adopting above-mentioned technical scheme, two baffles keep away from the messenger each other, and the pulley is contradicted with the work piece and is rotated, and then can reduce the frictional force between baffle and the work piece, makes things convenient for the baffle to remove to both sides, and then conveniently beats the screw.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the positioning cylinder, the annular groove, the buffer cylinder and the buffer spring, when a workpiece is abutted against the buffer cylinder, the buffer cylinder slides in the annular groove, so that the buffer spring is compressed, the pressure between the workpiece and the buffer cylinder can be buffered, the possibility that the positioning cylinder extrudes and deforms the workpiece in the process of screwing is reduced, and the quality of the workpiece is ensured;

2. through the arrangement of the buffer rod, the fixing spring, the screwdriver and the sliding groove, when the buffer rod is close to the screw, the screwdriver can slide in the sliding groove and further compress the fixing spring, so that the impact force between the screwdriver and the screw can be reduced, the quality of the screw can be ensured, the connection stability between the screw and the screwdriver can be ensured, and the efficiency of the screw can be ensured;

3. through the setting of baffle, can shelter from the screw, reduce the screw and break away from the possibility in the location section of thick bamboo.

Drawings

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

FIG. 2 is an exploded view of the connection hole in the embodiment of the present application;

FIG. 3 is a schematic view of an exploded structure of a highlight chute in an embodiment of the present application;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Description of reference numerals: 1. a base; 11. a frame; 111. a lifting groove; 12. a screw positioning device; 13. a screw delivery conduit; 14. a screw rotating device; 15. a lifting cylinder; 16. an adjusting cylinder; 2. a slide base; 21. a vertical seat; 22. a transverse seat; 23. a lifting block; 24. an adjustment groove; 25. a transverse plate; 3. a positioning cylinder; 31. an annular groove; 32. a buffer spring; 33. a hinged seat; 4. a buffer cylinder; 41. a barrel; 42. a circular ring; 5. a buffer rod; 51. a chute; 511. a card slot; 52. a screwdriver; 521. a clamping block; 53. fixing the spring; 54. a rotating ring; 55. connecting holes; 56. a rotating groove; 6. a support bar; 61. a cross bar; 62. a vertical rod; 63. a tension spring; 7. a baffle plate; 71. a bevel; 72. a limiting spring; 73. a hinged block; 74. hinging a shaft; 75. a pulley; 8. a rotating electric machine; 81. a connecting rod.

Detailed Description

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

The embodiment of the application discloses pneumatic loading attachment of screw. Referring to fig. 1, the pneumatic screw feeding device includes a rectangular base 1, a frame 11 is vertically and fixedly connected to the upper surface of the base 1, the frame 11 is rectangular, a screw positioning device 12 is disposed on the frame 11, the screw positioning device 12 is connected to a screw rotating device 14, and a screw conveying pipeline 13 is disposed on the screw positioning device 12. Meanwhile, a workbench located below the screw positioning device 12 is fixedly connected to the base 1. A screw conveying device such as a vibration disk is arranged in the base 1, and the screw conveying pipeline 13 is connected to the screw conveying device such as the vibration disk, and detailed description is omitted here. A user places a workpiece on the workbench, then screws are sent into the screw conveying pipeline 13 from a conveying device such as a vibration disc, the screws enter the screw positioning device 12, then the screw rotating device 14 is close to the screw positioning device 12, and then the screws in the screw positioning device 12 are rotated, so that the screws are connected with the workpiece.

Referring to fig. 1 and 2, the screw positioning device 12 includes a sliding base 2 and a positioning cylinder 3, the sliding base 2 is slidably connected to the frame 11, and the positioning cylinder 3 is connected to the sliding base 2. Frame 11 is including erecting seat 21 and horizontal seat 22, and horizontal seat 22 is close to the perpendicular fixed connection in one side of base 1 with erecting seat 21, and horizontal seat 22 keeps away from the one end fixedly connected with lifter 23 of erecting seat 21, and lifter 23 is the T-shaped piece, has seted up lift groove 111 in the frame 11, and lift groove 111 is the T-shaped groove, and lift groove 111 is seted up along the direction of perpendicular to base 1 upper surface. The positioning cylinder 3 is cylindrical and parallel to the lifting groove 111. After the work piece was placed on the workstation, vertical seat 21 slided along the length direction in T shape groove, and then drove horizontal seat 22 and a location section of thick bamboo 3 and be close to the work piece, then made things convenient for operation on next step.

Referring to fig. 2, a circular hole is formed on the horizontal seat 22, the circular hole penetrates through the horizontal seat 22, and the positioning cylinder 3 is rotatably connected in the circular hole. When the screw is contradicted with the inner wall of a location section of thick bamboo 3, the screw rotates and can drive a location section of thick bamboo 3 and rotate, can reduce the wearing and tearing between screw and the location section of thick bamboo 3, guarantees the connection quality of screw.

Referring to fig. 1 and 2, a lifting cylinder 15 is fixedly connected to the top end of the frame 11, and a piston rod of the lifting cylinder 15 is fixedly connected to one end of the vertical seat 21 far away from the base 1. The lifting cylinder 15 is started, and a piston rod of the lifting cylinder 15 extends to drive the vertical seat 21 to slide towards the direction close to the base 1, so that the positioning cylinder 3 is close to the workpiece.

Referring to fig. 1 and 2, a screw delivery pipe 13 penetrates through a side wall of the positioning cylinder 3, and the screw delivery pipe 13 communicates with the positioning cylinder 3. When the positioning cylinder 3 is close to a workpiece, the screw enters the positioning cylinder 3 from the screw conveying pipeline 13, and then the positioning cylinder 3 is convenient to position the screw, so that the accuracy of the position of the screw is ensured.

Referring to fig. 1 and 2, the screw rotating device 14 includes a rotating motor 8 and a connecting rod 81. An adjusting groove 24 is vertically formed in one side, away from the rack 11, of the vertical seat 21, the adjusting groove 24 is a T-shaped groove, and the adjusting groove 24 is parallel to the lifting groove 111. The adjusting groove 24 is connected with an adjusting block in a sliding manner, the adjusting block is fixedly connected with a transverse plate 25, the transverse plate 25 is perpendicular to the transverse seat 22, and the transverse plate 25 is parallel to the upper surface of the base 1. The rotating motor 8 is fixedly connected with the upper surface of the transverse plate 25, and the output shaft of the rotating motor 8 penetrates through the transverse plate 25 and is perpendicular to the upper surface of the base 1. The connecting rod 81 is located right above the positioning cylinder 3 and is fixedly connected with the output shaft of the rotating motor 8. When the positioning cylinder 3 is close to the workpiece, the transverse plate 25 slides along the adjusting groove 24, so that the transverse plate 25 drives the rotating motor 8 and the connecting rod 81 to be close to the positioning cylinder 3, then the connecting rod 81 is connected with the screw, the rotating motor 8 is started to drive the connecting rod 81 to rotate, and then the connecting rod 81 drives the screw to rotate, so that the screw is connected with the workpiece.

Referring to fig. 1 and 2, an adjusting cylinder 16 parallel to the adjusting groove 24 is fixedly connected to a side of the vertical seat 21 away from the frame 11, a piston rod of the adjusting cylinder 16 faces the base 1, and the piston rod of the adjusting cylinder 16 is fixedly connected to an upper surface of the horizontal plate 25. In the sliding process of the transverse plate 25, the piston rod of the adjusting cylinder 16 extends to push the transverse plate 25 to move towards the direction close to the workpiece, and after the screwing operation is completed, the piston rod of the adjusting cylinder 16 contracts to pull the transverse rod 61 away from the workpiece, so that the connecting rod 81 is separated from the screw.

Referring to fig. 1 and 2, a buffer rod 5 is slidably inserted into the positioning cylinder 3, the buffer rod 5 is cylindrical, the buffer rod 5 is coaxial with the positioning cylinder 3, and the diameter of the buffer rod 5 is equal to the inner diameter of the positioning cylinder 3. The buffer rod 5 can slide along the length direction of the positioning cylinder 3, and the buffer rod 5 can rotate in the positioning cylinder 3. One end of the buffer rod 5, which is far away from the base 1, is provided with a connecting hole 55, the connecting hole 55 is rectangular, and the cross section of the connecting rod 81 is completely the same as that of the connecting hole 55. When connecting rod 81 moves to the direction that is close to base 1, connecting rod 81 can insert and establish in connecting hole 55, and then connecting rod 81 rotates and can drive buffer bar 5 and rotate, and buffer bar 5 keeps away from the one end of connecting rod 81 and can link to each other with the screw, and then drives the screw rotation.

Referring to fig. 1 and 2, an annular rotation groove 56 is formed at an end of the buffer rod 5 away from the base 1, and a rotation ring 54 is rotatably connected to the rotation groove 56. Meanwhile, the upper surface of the transverse seat 22 is fixedly connected with two support rods 6, and each support rod 6 comprises a cross rod 61 and a vertical rod 62. The connecting line between the two vertical rods 62 is located on the extension line of the same diameter of the positioning cylinder 3. One end of the vertical rod 62 far away from the transverse seat 22 is fixedly connected with the transverse rod 61 in a vertical mode, the transverse rod 61 is located above the rotating ring 54, the two transverse rods 61 are located on one side opposite to the two vertical rods 62, one end of the transverse rod 61 far away from the vertical rods 62 is fixedly connected with a tension spring 63, and one end of the tension spring 63 far away from the transverse rod 61 is fixedly connected with the upper surface of the rotating ring 54. When connecting rod 81 promoted buffer bar 5 and is close to the work piece, extension spring 63 is stretched, and then connecting rod 81 drives buffer bar 5 pivoted in the time, after the completion of beating the screw, when connecting rod 81 kept away from buffer bar 5, extension spring 63 pulling swivel becket 54 and then drives buffer bar 5 and keep away from the screw.

Referring to fig. 2 and 3, a sliding groove 51 is formed in a side of the buffer rod 5 away from the connecting rod 81, and the sliding groove 51 is formed along an axis of the buffer rod 5. Meanwhile, a screwdriver 52 is slidably connected in the sliding groove 51, and the screwdriver 52 can be matched with the screw. When the buffer rod 5 slides towards the direction close to the workpiece and the screwdriver 52 collides with the screw, the screwdriver 52 can slide in the sliding groove 51, so that the pressure of the screwdriver 52 on the screw can be reduced, the possibility that the screwdriver 52 and the screw are damaged is reduced, and the quality of connection between the workpiece and the screw is ensured.

Referring to fig. 2 and 3, a slot 511 is formed in a side wall of the sliding slot 51 along an axis of the sliding slot 51, a latch 521 is fixedly connected to the side wall of the screwdriver 52, and the latch 521 is slidably connected to the slot 511. The clamping block 521 can slide in the clamping groove 511, so that the screwdriver 52 can normally slide in the sliding groove 51, meanwhile, the clamping groove 511 can limit the clamping block 521, and the buffer rod 5 can drive the screwdriver 52 to rotate, so that the screw can be rotated.

Referring to fig. 1 and 3, a fixed spring 53 is fixedly connected in the sliding groove 51, one end of the fixed spring 53 is fixedly connected with one end of the sliding groove 51 far away from the base 1, and the other end of the fixed spring 53 is fixedly connected with one end of the screwdriver 52 far away from the base 1. When the screwdriver 52 slides in the sliding slot 51, the fixing spring 53 is compressed, and the fixing spring 53 can push the screwdriver 52 to enable the connection between the screwdriver 52 and the screw to be more stable, so that the connection efficiency between the screw and the workpiece is ensured.

Referring to fig. 1 and 3, an annular groove 31 is formed in one end, close to the base 1, of the positioning cylinder 3, the annular groove 31 is formed along the length direction of the positioning cylinder 3, a buffer cylinder 4 is connected to the annular groove 31 in a sliding manner, and the buffer cylinder 4 can slide along the axis direction of the positioning cylinder 3. Meanwhile, the positioning barrel 3 is sleeved with a buffer spring 32 positioned in the annular groove 31, one end of the buffer spring 32 is fixedly connected with one end of the annular groove 31 far away from the base 1, and the other end of the buffer spring is fixedly connected with one end of the buffer barrel 4 far away from the base 1. And when the cushion spring 32 is in a natural state, the cushion cylinder 4 protrudes from the lower surface of the positioning cylinder 3. When the location section of thick bamboo 3 was close to the work piece, buffer cylinder 4 was contradicted with the work piece earlier, and buffer cylinder 4 slides to the direction of keeping away from base 1 in ring channel 31 this moment, and then compression buffer spring 32 can cushion the pressure that the work piece received, can reduce the possibility of work piece extrusion deformation, guarantees the quality of work piece.

Referring to fig. 1 and 3, the screw delivery pipe 13 is positioned between the buffer cylinder 4 and the buffer rod 5, and the screw driver 52 is positioned above the screw delivery pipe 13 when the tension spring 63 is in the natural state. The cylinder body 41 is rotatably connected with the positioning cylinder 3, when the positioning cylinder 3 rotates, the possibility that the positioning cylinder 3 drives the cylinder body 41 to rotate can be reduced, the abrasion between the cylinder body 41 and a workpiece is further reduced, and the production quality of the workpiece is ensured.

Referring to fig. 1 and 3, the buffer cylinder 4 includes a cylindrical cylinder 41 and a ring 42, a ring groove is opened on a side of the cylinder 41 away from the base 1, the ring 42 is rotatably connected in the ring groove, and the buffer spring 32 is fixedly connected with a side of the ring 42 away from the cylinder 41. The positioning cylinder 3 drives the buffer spring 32 to rotate, and further drives the ring 42 to rotate, so that the rotation of the positioning cylinder 3 is smoother.

Referring to fig. 1 and 4, the side wall of the positioning cylinder 3 is hinged with two baffles 7, and the two baffles 7 are arranged oppositely. Fixedly connected with hinge seat 33 on a location section of thick bamboo 3, hinge seat 33 has seted up the hinge hole along the direction of the axis of a perpendicular to location section of thick bamboo 3, two articulated pieces 73 of two just right settings of one side fixedly connected with that two baffles 7 are close to each other, fixedly connected with articulated shaft 74 between two articulated pieces 73, articulated shaft 74 rotates and connects in the hinge hole, and hinge seat 33 is located between two articulated pieces 73. And meanwhile, the positioning barrel 3 is fixedly connected with a limiting spring 72 positioned above the hinge seat 33, when the limiting spring 72 is in a natural state, one ends of the two baffle plates 7 close to the base 1 are mutually abutted, and one side of each baffle plate 7 close to the base 1 is positioned below the buffer barrel 4. Spacing spring 72 promotes baffle 7 and then makes baffle 7 shelter from buffer cylinder 4 to shelter from the screw, can reduce the possibility that the screw falls out from buffer cylinder 4, when the user pressed down the one end that base 1 was kept away from to baffle 7 simultaneously, spacing spring 72 was compressed, and two baffles 7 are kept away from each other, and then make the screw normally fall down, reduce the possibility that the screw blockked up in the location section of thick bamboo 3.

Referring to fig. 1 and 4, a slope 71 is disposed on a side of the baffle 7 close to the positioning cylinder 3, the slope 71 is disposed at an end of the baffle 7 close to the base 1, and a side of the slope 71 away from the base 1 inclines in a direction away from the positioning cylinder 3. When the screw needs to be connected with a workpiece, the screw is abutted against the inclined plane 71 and then can push the baffle 7 to open towards two sides, so that the screw can smoothly pass through the positioning cylinder 3 to be connected with the workpiece.

Referring to fig. 1 and 4, a pulley 75 is rotatably connected to an end of the flap 7 adjacent to the base 1, the pulley 75 is located on a side of the flap 7 away from the inclined surface 71, and a rotation axis of the pulley 75 is parallel to the hinge shaft 74. In the process that baffle 7 was opened, pulley 75 contradicts with the work piece, can reduce the frictional force between work piece and the baffle 7, reduces wearing and tearing and makes baffle 7 conveniently open simultaneously.

The implementation principle of the pneumatic screw feeding device in the embodiment of the application is as follows: a user places a workpiece on a workbench, then the lifting air cylinder 15 is started to drive the sliding seat 2 to be close to the workpiece, so that the buffer cylinder 4 and the positioning cylinder 3 are close to the workpiece, then the screw conveying device conveys screws into the buffer cylinder 4 from the screw conveying pipeline 13, then the adjusting air cylinder 16 is started, the adjusting air cylinder 16 drives the connecting rod 81 to be inserted into the connecting hole 55, the screwdriver 52 is connected with the screws, and then the rotating motor 8 is started to drive the screws to rotate, so that the screws are connected with the workpiece.

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 (10)

1. The utility model provides a pneumatic loading attachment of screw, includes base (1), perpendicular fixedly connected with frame (11) on base (1), be equipped with screw positioner (12), its characterized in that on frame (11): the screw positioning device (12) comprises a slide seat (2) and a positioning barrel (3) for screws to pass through, the slide seat (2) is connected with a frame (11) in a vertical sliding mode, the positioning barrel (3) is connected with the slide seat (2), the positioning barrel (3) is parallel to the sliding direction of the slide seat (2), the positioning barrel (3) is perpendicular to the base (1), an annular groove (31) is formed in one side, close to the base (1), of the positioning barrel (3), the annular groove (31) is formed in the length direction of the positioning barrel (3), a buffer barrel (4) coaxial with the positioning barrel (3) is connected in the annular groove (31) in a sliding mode, the sliding direction of the buffer barrel (4) is the same as the sliding direction of the slide seat (2), the positioning barrel (3) is sleeved with a buffer spring (32) located in the annular groove (31), the buffer spring (32) is connected with one side, far away from the base (1), of the buffer barrel (4), when the buffer spring (32) is in a natural state, the buffer cylinder (4) protrudes out of the lower surface of the positioning cylinder (3).

2. The pneumatic screw feeding device according to claim 1, characterized in that: the positioning cylinder (3) is rotatably connected with the sliding seat (2).

3. The pneumatic screw feeding device according to claim 1, characterized in that: the buffer cylinder (4) is coaxially and rotatably connected with the positioning cylinder (3).

4. The pneumatic screw feeding device according to claim 1, characterized in that: buffer cylinder (4) include barrel (41) and ring (42), barrel (41) are connected with ring (42) coaxial rotation, ring (42) are located barrel (41) and keep away from one side of base (1), buffer spring (32) link to each other with ring (42).

5. The pneumatic screw feeding device according to claim 2, characterized in that: sliding connection has coaxial buffer lever (5) in a location section of thick bamboo (3), the axis that a location section of thick bamboo (3) can be followed in buffer lever (5) slides, spout (51) have been seted up along the axis of buffer lever (5) to the one end that buffer lever (5) are close to base (1), sliding connection has screwdriver (52) with the screw adaptation in spout (51).

6. The pneumatic screw feeding device according to claim 5, characterized in that: fixedly connected with fixed spring (53) in spout (51), the one end fixed connection of base (1) is kept away from with screwdriver (52) to the one end of fixed spring (53), the one end fixed connection of base (1) is kept away from with spout (51) to the other end of fixed spring (53).

7. The pneumatic screw feeding device according to claim 5, characterized in that: the utility model discloses a buffer structure, including slide (2), bracing piece (6) that fixedly connected with and a location section of thick bamboo (3) are parallel on slide (2), bracing piece (6) are close to a location section of thick bamboo (3), the coaxial rotation in one side that base (1) were kept away from in buffer beam (5) is connected with swivel becket (54), fixedly connected with extension spring (63) on swivel becket (54), the one end that swivel becket (54) were kept away from in extension spring (63) and bracing piece (6) keep away from the one end fixed connection of base (1).

8. The pneumatic screw feeding device according to claim 1, characterized in that: the lateral wall that a location section of thick bamboo (3) is close to base (1) one end articulates there are two just right baffle (7), the lateral wall fixedly connected with spacing spring (72) of a location section of thick bamboo (3), one side fixed connection that base (1) was kept away from with baffle (7) to the one end that a location section of thick bamboo (3) was kept away from in spacing spring (72), when spacing spring (72) is in natural state, two baffle (7) are close to the one end of base (1) and contradict each other.

9. The pneumatic screw feeding device according to claim 8, characterized in that: one side that baffle (7) are close to each other is equipped with inclined plane (71), and one side that base (1) was kept away from in inclined to the direction of keeping away from location section of thick bamboo (3) on inclined plane (71).

10. The pneumatic screw feeding device according to claim 8, characterized in that: one side of the baffle (7) close to the base (1) is rotatably connected with a pulley (75), and a rotating shaft of the pulley (75) is parallel to a hinged shaft (74) of the baffle (7).

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