CN216656623U

CN216656623U - Lead screw is anchor clamps for tapping

Info

Publication number: CN216656623U
Application number: CN202121612957.3U
Authority: CN
Inventors: 牟国军
Original assignee: Dalian Longfu Technology Co ltd
Current assignee: Dalian Longfu Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-06-03
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a lead screw tapping fixture which comprises a base, wherein a first motor is fixedly installed on one side of the base, a first threaded rod is connected to the driving end of the first motor, a first sliding groove is formed in the upper wall surface of the base, a first sliding pin is connected in the first sliding groove in a sliding mode, a top end clamping mechanism is arranged on one side of an end shaft, a scrap blowing mechanism is arranged on the upper wall surface of the base, a chuck support is fixedly installed at one end of the upper wall surface of the base, and a four-jaw chuck is fixedly installed at the top of the chuck support. The utility model relates to the technical field of screw rod processing, and the device is compact in structure, firstly, one end of a raw material of a processed screw rod is clamped in a four-jaw chuck, a first motor is controlled to rotate, a first sliding pin and a sliding seat slide on the upper wall surface of a base, a fan is started, air is blown to a processing position from an air distribution groove through a blowing hose, and scrap iron is blown off, so that convenience is brought to people.

Description

Lead screw is anchor clamps for tapping

Technical Field

The utility model relates to the technical field of screw rod processing, in particular to a clamp for tapping a screw rod.

Background

The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion, is the most commonly used transmission element on tool machinery and precision machinery, has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency. Because of its small frictional resistance, the ball screw is widely used in various industrial equipments and precision instruments, and is composed of a screw, a nut, a steel ball, a preforming piece, a reverser, and a dust-proof device. Its function is to convert the rotary motion into a linear motion, which is a further extension and development of the acme screw, the important meaning of this development is to change the bearing from sliding motion to rolling motion. .

The utility model with the publication number of CN203390596U provides a casting tapping positioning fixture, which comprises a back plate, a bottom plate and two side plates, wherein the back plate is fixed on a machine tool, the upper plane of the bottom plate is fixedly connected with a workpiece, and a straight line which passes through the circle center of a to-be-tapped hole of the workpiece and is parallel to the bottom plate is intersected with the axial lead of a machine tool rotating shaft; the base plate is further fixedly provided with a first stop block, a second stop block and a third stop block, the first stop block and the second stop block clamp the outer diameter of the to-be-tapped hole, and the third stop block abuts against the workpiece. The coaxiality of the axis of the threaded hole to be tapped and the axis of the machine tool rotating shaft can be ensured only by adjusting the position of the workpiece on the base plate. However, although this device can clamp and fix the lead screw, the device does not include a mechanism for completely fixing both ends of the lead screw.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a clamp for tapping a lead screw, which solves the problem that a mechanism for completely fixing two ends of the lead screw is not available.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an anchor clamps for lead screw tapping, includes the base, base one side fixed mounting has first motor, first motor drive end is connected with first threaded rod, the wall is opened there is first spout on the base, sliding connection has first smooth round pin in the first spout, first threaded rod connect soon in first smooth round pin, first smooth round pin top is equipped with the sliding seat, the sliding seat top is connected with the sliding seat, swing joint has the end shaft in the sliding seat, end shaft one side is equipped with top fixture, the wall is equipped with blows bits mechanism on the base, wall one end fixed mounting has the chuck support on the base, chuck support top fixed mounting has four-jaw chuck.

Preferably, the top fixture includes the connecting plate, connecting plate fixed mounting in dead axle one side, two pairs of spacing framves are installed to connecting plate one side wall, the connecting plate lateral wall face is opened there are two pairs of second spouts, second spout sliding connection has two pairs of second sliding pins, second sliding pin one side fixedly connected with holding frame, holding frame one end is equipped with female connection seat, female connection seat internal rotation has connect spacing bolt, spacing bolt installs protection mechanism outward, the holding frame with spacing frame internal wall face is connected through spring telescopic machanism.

Preferably, it includes a pair of dentiform key, a pair of to blow bits mechanism the dentiform key is located wall both sides on the base, the base top is equipped with blows bits case, blow the equal swing joint of bits case both sides wall surface and have a pair of gear, the gear mesh in the dentiform key, blow bits incasement fixed mounting and have a pair of second motor, second motor drive end is connected with the second threaded rod, second threaded rod swing joint in blow bits case wall, it is equipped with the adjustable bits portion of blowing to blow the bits case.

Preferably, the adjustable chip blowing portion comprises a supporting plate, a pair of internal thread sleeves is arranged on the lower wall surface of the supporting plate, the second threaded rod is connected in the internal thread sleeves in a rotating mode, an air distribution groove is formed in the supporting plate, a fan is fixedly installed in the chip blowing box, the fan is connected to the air distribution groove through a blowing hose, and the blowing hose penetrates through the upper wall surface of the chip blowing box.

Preferably, the protection mechanism comprises a protection shell, two pairs of elastic limiting pin mechanisms are arranged on the lower wall surface of the protection shell, and two pairs of limiting clamping grooves are formed in one side wall surface of the limiting frame.

Preferably, the elastic limit pin mechanism comprises a pair of elastic pins, and the pair of elastic pins are connected to the lower wall surface of the protective shell and clamped in the limit clamping grooves.

Preferably, the spring telescopic mechanism comprises a first sleeve, the first sleeve is fixedly installed on one side wall surface of the clamping frame, the first sleeve is connected with a second sleeve through a first spring, the second sleeve is connected with a connecting rod through a second spring, the connecting rod is connected to the inner wall surface of the limiting frame, the second sleeve slides in the first sleeve, and the connecting rod slides in the second sleeve.

Advantageous effects

The utility model provides a screw tapping clamp which has the following beneficial effects that the device is compact in structure, one end of a raw material of a processed screw is clamped in a four-jaw chuck, a first motor is controlled to rotate, a first sliding pin and a sliding seat slide on the upper wall surface of a base, the other end of the processed screw is prepositioned through two pairs of clamping frames and a spring telescopic mechanism after reaching a designated position, a limiting bolt is screwed into an internal thread connecting seat after the prepositioning is finished, until a clamping plate completely fixes one end of the screw, the screw is processed after the fixing is finished, a fan is started in the processing process, gas is blown to a processing position from a gas distribution groove through a blowing hose, and scrap iron is blown off, so that convenience is brought to people.

Drawings

FIG. 1 is a schematic front view of the present invention.

FIG. 2 is a schematic view of the internal structure of the adjustable chip blowing part according to the present invention.

FIG. 3 is a schematic view of the internal structure of the top clamping mechanism of the present invention.

Fig. 4 is a schematic diagram of the internal structure of the protection mechanism of the present invention.

Fig. 5 is a schematic view of the internal structure of the spring expansion mechanism of the present invention.

FIG. 6 is a schematic view of the internal structure of the base of the present invention.

In the figure: 1. a base; 2. a first motor; 3. a first threaded rod; 4. a first chute; 5. a first slide pin; 6. a sliding seat; 7. an end shaft; 8. a four-jaw chuck; 9. a connecting plate; 10. a limiting frame; 11. a second chute; 12. a second slide pin; 13. a clamping frame; 14. an internal thread connecting seat; 15. a toothed key; 16. a gear; 17. a second motor; 18. a second threaded rod; 19. a support plate; 20. an internally threaded sleeve; 21. a fan; 22. a gas distribution tank; 23. a protective shell; 24. an elastic pin; 25. a limiting clamping groove; 26. a first sleeve; 27. a second sleeve; 28. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a lead screw tapping fixture comprises a base 1, a first motor 2 is fixedly mounted on one side of the base 1, a first threaded rod 3 is connected to a driving end of the first motor 2, a first sliding groove 4 is formed in the upper wall surface of the base 1, a first sliding pin 5 is slidably connected to the first sliding groove 4, the first threaded rod 3 is rotatably connected to the first sliding pin 5, a sliding seat 6 is arranged at the top of the first sliding pin 5, a movable seat is connected to the top of the sliding seat 6, an end shaft 7 is movably connected to the movable seat, a top end clamping mechanism is arranged on one side of the end shaft 7, a scrap blowing mechanism is arranged on the upper wall surface of the base 1, a chuck support is fixedly mounted at one end of the upper wall surface of the base 1, a four-jaw chuck 8 is fixedly mounted at the top of the chuck support, the top end clamping mechanism comprises a connecting plate 9, the connecting plate 9 is fixedly mounted on one side of the end shaft 7, two pairs of limiting frames 10 are installed on one side wall surface of the connecting plate 9, two pairs of second sliding grooves 11 are formed in the side wall surface of the connecting plate 9, two pairs of second sliding pins 12 are connected to the second sliding grooves 11 in a sliding mode, a clamping frame 13 is fixedly connected to one side of each second sliding pin 12, an internal thread connecting seat 14 is arranged at one end of each clamping frame 13, limiting bolts are screwed in the internal thread connecting seats 14, a protection mechanism is installed outside each limiting bolt, the clamping frames 13 and the inner side wall surface of the limiting frames 10 are connected through a spring telescopic mechanism, each scrap blowing mechanism comprises a pair of toothed keys 15, the toothed keys 15 are located on two sides of the upper wall surface of the base 1, a scrap blowing box is arranged above the base 1, a pair of gears 16 are movably connected to two side wall surfaces of the scrap blowing box, the gears 16 are meshed with the toothed keys 15, and a pair of second motors 17 are fixedly installed in the scrap blowing box, the driving end of the second motor 17 is connected with a second threaded rod 18, the second threaded rod 18 is movably connected to the upper wall surface of the scrap blowing box, the scrap blowing box is provided with an adjustable scrap blowing part, the adjustable scrap blowing part comprises a supporting plate 19, the lower wall surface of the supporting plate 19 is provided with a pair of internal thread sleeves 20, the second threaded rod 18 is connected to the internal thread sleeves 20 in a screwing mode, an air distribution groove 22 is formed in the supporting plate 19, a fan 21 is fixedly installed in the scrap blowing box, the fan 21 is connected to the air distribution groove 22 through a blowing hose, the blowing hose penetrates through the upper wall surface of the scrap blowing box, the protection mechanism comprises a protection shell 23, the lower wall surface of the protection shell 23 is provided with two pairs of elastic limit pin mechanisms, one side wall surface of the limit frame 10 is provided with two pairs of limit clamping grooves 25, each elastic limit pin mechanism comprises a pair of elastic pins 24, and one pair of the elastic pins 24 are connected to the lower wall surface of the protection shell 23, and the joint in spacing draw-in groove 25, the spring telescopic machanism includes first sleeve 26, first sleeve 26 fixed mounting in a holding frame 13 side wall, first sleeve 26 has second sleeve 27 through first spring coupling, second sleeve 27 has connecting rod 28 through the second spring coupling, connecting rod 28 connect in spacing 10 internal face, second sleeve 27 slide in first sleeve 26, connecting rod 28 slide in second sleeve 27.

The embodiment is as follows: when the four-jaw chuck works, one end of a screw rod is clamped in the four-jaw chuck 8, after clamping is finished, the driving end of a first motor 2 is controlled to rotate, at the moment, a first threaded rod 3 rotates, a first sliding pin 5 slides in a first sliding groove 4, a sliding seat 6 moves on a base 1, when a connecting plate 9 abuts against the other end of the screw rod, a second sliding pin 12 at one end of the clamping plate slides in a second sliding groove 11, a first sleeve 26, a second sleeve 27 and a connecting rod 28 slide, the first spring and the second spring are compressed, pre-limiting is completed at the other end of the screw rod, a limiting bolt is screwed into an internal thread connecting seat 14, the other end of the screw rod is completely fixed, an elastic pin 24 at the bottom of a protective shell 23 is clamped into a limiting clamping groove 25, machining is started, a scrap blowing box is moved in the machining process, and a supporting plate 19 is located below the screw rod to blow scraps, and convenience is brought to people.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lead screw tapping clamp comprises a base (1) and is characterized in that a first motor (2) is fixedly arranged on one side of the base (1), the driving end of the first motor (2) is connected with a first threaded rod (3), the upper wall surface of the base (1) is provided with a first sliding groove (4), a first sliding pin (5) is connected in the first sliding groove (4) in a sliding way, the first threaded rod (3) is connected to the first sliding pin (5) in a rotating way, the top of the first sliding pin (5) is provided with a sliding seat (6), the top of the sliding seat (6) is connected with a movable seat, an end shaft (7) is movably connected in the movable seat, a top end clamping mechanism is arranged on one side of the end shaft (7), the wall is equipped with and blows bits mechanism on base (1), wall one end fixed mounting has the chuck support on base (1), chuck support top fixed mounting has four-jaw chuck (8).

2. The lead screw tapping clamp according to claim 1, wherein the top clamping mechanism comprises a connecting plate (9), the connecting plate (9) is fixedly mounted on one side of the end shaft (7), two pairs of limiting frames (10) are mounted on one side wall surface of the connecting plate (9), two pairs of second sliding grooves (11) are formed in the side wall surface of the connecting plate (9), two pairs of second sliding pins (12) are slidably connected to the second sliding grooves (11), a clamping frame (13) is fixedly connected to one side of each second sliding pin (12), an internal thread connecting seat (14) is arranged at one end of each clamping frame (13), a limiting bolt is screwed in the internal thread connecting seat (14), a protection mechanism is mounted outside each limiting bolt, and the clamping frame (13) is connected with the inner side wall surface of the limiting frame (10) through a spring telescopic mechanism.

3. The lead screw tapping clamp according to claim 1, wherein the scrap blowing mechanism comprises a pair of toothed keys (15), the toothed keys (15) are located on two sides of the upper wall surface of the base (1), a scrap blowing box is arranged above the base (1), a pair of gears (16) are movably connected to two side wall surfaces of the scrap blowing box, the gears (16) are meshed with the toothed keys (15), a pair of second motors (17) are fixedly mounted in the scrap blowing box, the driving ends of the second motors (17) are connected with second threaded rods (18), the second threaded rods (18) are movably connected to the upper wall surface of the scrap blowing box, and the scrap blowing box is provided with an adjustable scrap blowing portion.

4. A screw tapping clamp according to claim 3, wherein the adjustable chip blowing portion comprises a support plate (19), a pair of internal threaded sleeves (20) is arranged on the lower wall surface of the support plate (19), the second threaded rod (18) is screwed in the internal threaded sleeves (20), an air distribution groove (22) is formed in the support plate (19), a fan (21) is fixedly installed in the chip blowing box, the fan (21) is connected to the air distribution groove (22) through a blowing hose, and the blowing hose penetrates through the upper wall surface of the chip blowing box.

5. The lead screw tapping clamp according to claim 2, wherein the protection mechanism comprises a protective shell (23), two pairs of elastic limiting pin mechanisms are arranged on the lower wall surface of the protective shell (23), and two pairs of limiting clamping grooves (25) are formed in one side wall surface of the limiting frame (10).

6. A lead screw tapping clamp according to claim 5, wherein the elastic limiting pin mechanism comprises a pair of elastic pins (24), and the pair of elastic pins (24) are connected to the lower wall surface of the protective shell (23) and clamped in the limiting clamping grooves (25).

7. The lead screw tapping clamp according to claim 2, wherein the spring expansion mechanism comprises a first sleeve (26), the first sleeve (26) is fixedly mounted on one side wall surface of the clamping frame (13), the first sleeve (26) is connected with a second sleeve (27) through a first spring, the second sleeve (27) is connected with a connecting rod (28) through a second spring, the connecting rod (28) is connected to the inner wall surface of the limiting frame (10), the second sleeve (27) slides in the first sleeve (26), and the connecting rod (28) slides in the second sleeve (27).