CN211305643U

CN211305643U - Lock nozzle clamp firm in clamping

Info

Publication number: CN211305643U
Application number: CN201922100615.2U
Authority: CN
Inventors: 王作凯
Original assignee: Dongguan Tejing Precision Fixture Co ltd
Current assignee: Dongguan Tejing Precision Fixture Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-21
Anticipated expiration: 2029-11-29

Abstract

A firmly clamped lock nozzle clamp comprises: chuck (1), lock cap (2), main part (3), spacer (4), blind rivet (5) and magnet (6), chuck (1) is formed by the white steel material, the lower extreme of chuck (1) is inserted in main part (3), the upper end and the lock cap (2) contact of chuck (1), the lower extreme of lock cap (2) passes through threaded engagement with the upper end of main part (3), spacer (4) and the lower extreme of main part (3) form fixedly, blind rivet (5) pass spacer (4) and form fixedly with the lower extreme of main part (3), magnet (6) are fixed in the inside of main part (3) and are located chuck (1) under. The lock nozzle clamp attracts the chuck under the action of magnetic force, and the magnetic force can offset part of impact force generated in the part machining process, so that the possibility of thread abrasion is reduced, and the service life is prolonged.

Description

Lock nozzle clamp firm in clamping

Technical Field

The utility model relates to a lock mouth anchor clamps especially relate to a firm lock mouth anchor clamps of clamping.

Background

A lock jaw clamp is one of the clamps commonly used in machine tooling and utilizes a thread fit arrangement to facilitate the clamping of the collet during the threading engagement to secure the part to the collet.

However, in the machining process of the machine tool, impact force generated when the cutter is in contact with a part can indirectly act on the thread, and after the existing lock nozzle clamp is used for a long time, the thread of the existing lock nozzle clamp is abraded, so that the part is not clamped firmly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is to above-mentioned condition, and in order to solve above-mentioned problem and provide a firm lock mouth anchor clamps of clamping, the lock mouth anchor clamps include: the clamping head comprises a clamping head, a locking cap, a main body, a positioning piece and a pull nail, wherein the lower end of the clamping head is inserted into the main body, the upper end of the clamping head is in contact with the locking cap, the lower end of the locking cap is in threaded engagement with the upper end of the main body, the positioning piece is fixedly arranged at the lower end of the main body, and the pull nail penetrates through the positioning piece and is fixedly arranged at the lower end of the main body; the collet is formed from a white steel material, the lock nib clamp further comprising: a magnet fixed inside the body and located directly below the collet.

Further, the chuck includes: the clamping device comprises a plurality of clamping jaws, a clamping head and a clamping device, wherein the clamping jaws are arranged in a circumferential array mode, a gap is formed between every two adjacent clamping jaws, a clamping hole is formed in the center of each clamping jaw, the upper end of each clamping jaw is an abutting section, the lower end of each clamping jaw is an elastic section, the width of the upper end of each abutting section is smaller than that of the lower end of each abutting section, and the width of the upper end of each elastic section; the upper end of the lock cap is provided with an abutting hole, the lower end of the lock cap is provided with a locking groove, the inner wall of the abutting hole is in contact with the abutting section of the clamping jaw, and the inner wall of the locking groove is provided with an internal thread; the upper end of the main body is provided with an accommodating barrel, the outer wall of the accommodating barrel is provided with an external thread, the internal thread of the locking groove is meshed with the external thread of the accommodating barrel, and the elastic section of the clamping jaw is inserted into the accommodating barrel.

Further, the middle part of the main body is provided with a magnet groove, the magnet groove is positioned under the containing barrel, and the magnet is embedded in the magnet groove.

Furthermore, a clamping ring is arranged at the upper end of the magnet groove, and the magnet groove is located below the clamping ring.

Further, the lower end of the main body is provided with a supporting screw hole; the spacer includes: the top plate, the bottom plate and a plurality of supporting screws sequentially penetrate through the bottom plate and the top plate and are meshed with the supporting screw holes.

Furthermore, the bottom plate is provided with four positioning through holes which are arranged in a square array mode.

Further, the lower end of the main body is provided with a lifting screw hole, the center of the top sheet is provided with a lifting through hole, and the lifting through hole is aligned with the lifting screw hole; the blind rivet includes: the screw rod sequentially penetrates through the rod sleeve and the lifting through hole and is meshed with the lifting screw hole.

Furthermore, the upper end of the rod sleeve is a limiting section, the middle part of the rod sleeve is a connecting section, the lower end of the rod sleeve is a bolt section, the outer diameter of the limiting section is larger than that of the connecting section, and the outer diameter of the connecting section is larger than that of the bolt section; the blind rivet further comprises: the bolt section is inserted into the limiting cap, and the outer diameter of the limiting cap is larger than that of the connecting section.

Further, the side of spacing section has the ring channel, the blind rivet still includes: the rubber ring is embedded in the annular groove and protrudes from the side face of the limiting section.

After the technical scheme is adopted, the utility model discloses an effect is: the lock mouth clamp with the structure utilizes the thread structure to lock the part, and also utilizes the action of magnetic force to attract the chuck to further fix the part, and the magnetic force can offset part of impact force generated in the part processing process, thereby reducing the possibility of thread abrasion and prolonging the service life.

Drawings

Fig. 1 is a schematic view of a lock cylinder clamp according to the present invention;

fig. 2 is a cross-sectional view of a lock cylinder clamp according to the present invention;

fig. 3 is a schematic view of a chuck according to the present invention;

FIG. 4 is a schematic view of a positioning plate according to the present invention;

fig. 5 is an exploded view of the blind rivet according to the present invention.

Detailed Description

It is specifically noted that the terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indicator is changed accordingly.

The technical solution of the present invention is further described below by way of examples:

the utility model provides a firm lock mouth anchor clamps of clamping, as shown in figure 1, lock mouth anchor clamps include: the clamping head comprises a clamping head 1, a locking cap 2, a main body 3, a positioning piece 4 and a pull nail 5, wherein the lower end of the clamping head 1 is inserted into the main body 3, the upper end of the clamping head 1 is contacted with the locking cap 2, the lower end of the locking cap 2 is meshed with the upper end of the main body 3 through threads, the positioning piece 4 is fixed to the lower end of the main body 3, and the pull nail 5 penetrates through the positioning piece 4 and is fixed to the lower end of the main body 3. When the locking nozzle clamp works, only the part needs to be placed in the chuck 1, then the locking cap 2 and the main body 3 are locked, and the chuck 1 moves towards the inside of the main body 3 until the chuck 1 clamps the part. The positioning plate 4 is used for supporting the main body 3 on the centering device and determining the positions of the tungsten steel ball center rod on the X axis and the Y axis of the machine tool, and the blind rivet 5 is inserted into the centering device, so that the tungsten steel ball center rod and the centering device are fixed, and the position of the tungsten steel ball center rod on the Z axis of the machine tool is determined. In the present invention, as shown in fig. 2, the collet 1 is made of white steel, and the locking clamp further includes: a magnet 6, the magnet 6 being fixed inside the body 3, and the magnet 6 being located directly below the cartridge 1. The attraction of the magnet 6 to the chuck 1 can be used to further clamp the chuck 1 to the component, and the attraction can counteract a portion of the impact force generated during the machining process.

Specifically, as shown in fig. 3, the cartridge 1 includes: a plurality of jack catchs 11, jack catchs 11 are the mode of circumference array and arrange, have the clearance between two adjacent jack catchs 11 to the center of a plurality of jack catchs 11 forms card hole 12, and the upper end of jack catchs 11 is butt section 111, and the lower extreme is elasticity section 112, and the width of butt section 111 upper end is less than the width of lower extreme, and the width of elasticity section 112 upper end is greater than the width of lower extreme, and butt section 111 and locking cap 2 contact, elasticity section 112 inserts in the main part 3. As the degree of the elastic section 112 entering the main body 3 is deeper, the clearance between two adjacent claws 11 is smaller, and the clamping hole 12 is smaller, so that the part is clamped.

More specifically, with continued reference to fig. 2, the locking cap 2 has an abutting hole 21 at the upper end and a locking groove 22 at the lower end, the inner wall of the abutting hole 21 contacts with the abutting section 111 of the claw 11, and the inner wall of the locking groove 22 has an internal thread 23; the body 3 has a receiving cylinder 31 at an upper end thereof, an outer wall of the receiving cylinder 31 has an external thread 32, the internal thread 23 of the locking groove 22 is engaged with the external thread 32 of the receiving cylinder 31, and the slack section 112 of the jaw 11 is inserted into the receiving cylinder 31.

More specifically, the main body 3 has a magnet groove 33 in the middle thereof, the magnet groove 33 being located directly below the accommodation cylinder 31, and the magnet 6 being embedded in the magnet groove 33.

More specifically, the upper end of the magnet groove 33 has a snap ring 34, and the magnet groove 33 is located below the snap ring 34. The snap ring 34 avoids problems with the magnet 6 engaging the collet 1 due to excessive attraction forces.

Specifically, the lower end of the main body 3 has a support screw hole 35, and as shown in fig. 4, the positioning piece 4 includes: a top plate 41, a bottom plate 42 and a plurality of supporting screws 43, the supporting screws 43 sequentially passing through the bottom plate 42 and the top plate 41 and engaging with the supporting screw holes 35.

More specifically, the bottom sheet 42 has four positioning through holes 420, and the four positioning through holes 420 are arranged in a square array. The positioning through hole 420 is used for matching with a positioning column on a processing machine tool to set the positions of the lock nozzle clamp on the X axis and the Y axis of the processing machine tool.

More specifically, as shown in fig. 2 and 4, the lower end of the main body 3 has a lifting screw hole 36, the center of the top sheet 41 has a lifting through hole 410, and the lifting through hole 410 is aligned with the lifting screw hole 36; as shown in fig. 5, the blind rivet 5 comprises: a rod sleeve 51 and a screw 52, the screw 52 sequentially passing through the rod sleeve 51 and the elevation through-hole 410 and engaging with the elevation screw hole 36 of the body 1. The rod sleeve 51 can be fixed to the lower end of the body 1 by the screw 52, and after the rod sleeve 51 is inserted into a jig seat of a machine tool, the lock nozzle jig can be fixed to the machine tool, and the position of the lock nozzle jig on the Z axis of the machine tool can be set.

More specifically, the upper end of the rod sleeve 51 is a limiting section 511, the middle part is a connecting section 512, the lower end is a bolt section 513, the outer diameter of the limiting section 511 is larger than that of the connecting section 512, and the outer diameter of the connecting section 512 is larger than that of the bolt section 513; the blind rivet 5 further comprises: the limiting cap 53 and the bolt section 513 are inserted into the limiting cap 53, and the outer diameter of the limiting cap 53 is larger than that of the connecting section 512. When the locking mouth clamp is installed, the rod sleeve 51 is inserted into the clamp seat, the connecting ring of the clamp seat is embedded into the connecting section 512 of the rod sleeve 51, the limiting cap 53 and the screw 52 are installed, the connecting ring is limited through the limiting cap 53 and the limiting section 511, and therefore the blind rivet 5 is fixed.

More specifically, the side of the limiting section 511 has an annular groove 514, and the blind rivet 5 further includes: and the rubber ring 54, wherein the rubber ring 54 is embedded in the annular groove 514 and protrudes from the side surface of the limiting section 511. The rubber ring 54 forms an interference fit with the holder, thereby achieving more stable positioning.

Therefore, the lock nozzle clamp with the structure utilizes the action of magnetic force to attract the chuck in addition to locking the part by utilizing the thread structure, further fixes the part, and the magnetic force can offset part of impact force generated in the part machining process, so that the possibility of thread abrasion is reduced, and the service life is prolonged.

The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. A fast-clamping lock nozzle clamp comprises: the clamping head comprises a clamping head (1), a locking cap (2), a main body (3), a positioning piece (4) and a pull nail (5), wherein the lower end of the clamping head (1) is inserted into the main body (3), the upper end of the clamping head (1) is in contact with the locking cap (2), the lower end of the locking cap (2) is in threaded engagement with the upper end of the main body (3), the positioning piece (4) is fixed with the lower end of the main body (3), and the pull nail (5) penetrates through the positioning piece (4) and is fixed with the lower end of the main body (3); the method is characterized in that: the collet (1) is formed by a white steel material, the lock mouth clamp further comprises: a magnet (6), the magnet (6) being fixed inside the body (3), and the magnet (6) being located directly below the chuck (1).

2. The firmly-clamped lock jaw clamp as claimed in claim 1, characterized in that: the chuck (1) comprises: the clamping device comprises a plurality of clamping jaws (11), wherein the clamping jaws (11) are arranged in a circumferential array mode, a gap is formed between every two adjacent clamping jaws (11), a clamping hole (12) is formed in the center of each clamping jaw (11), the upper end of each clamping jaw (11) is provided with an abutting section (111), the lower end of each clamping jaw (11) is provided with an elastic section (112), the width of the upper end of each abutting section (111) is smaller than that of the lower end of each abutting section, and the width of the upper end of each elastic section (112) is; the upper end of the lock cap (2) is provided with an abutting hole (21), the lower end of the lock cap is provided with a locking groove (22), the inner wall of the abutting hole (21) is in contact with the abutting section (111) of the clamping jaw (11), and the inner wall of the locking groove (22) is provided with an internal thread (23); the upper end of the main body (3) is provided with a containing barrel (31), the outer wall of the containing barrel (31) is provided with an external thread (32), the internal thread (23) of the locking groove (22) is meshed with the external thread (32) of the containing barrel (31), and the tightening section (112) of the claw (11) is inserted into the containing barrel (31).

3. The firmly-clamped lock jaw clamp as claimed in claim 2, characterized in that: the middle part of the main body (3) is provided with a magnet groove (33), the magnet groove (33) is positioned under the containing barrel (31), and the magnet (6) is embedded in the magnet groove (33).

4. The firmly-clamped lock jaw clamp as claimed in claim 3, characterized in that: the upper end of magnet groove (33) has snap ring (34), magnet groove (33) are located snap ring (34)'s below.

5. The firmly-clamped lock jaw clamp as claimed in claim 1, characterized in that: the lower end of the main body (3) is provided with a supporting screw hole (35); the positioning plate (4) comprises: a top plate (41), a bottom plate (42) and a plurality of supporting screws (43), wherein the supporting screws (43) sequentially pass through the bottom plate (42) and the top plate (41) and are engaged with the supporting screw holes (35).

6. The firmly-clamped lock jaw clamp as claimed in claim 5, characterized in that: the bottom plate (42) is provided with four positioning through holes (420), and the four positioning through holes (420) are arranged in a square array mode.

7. The firmly-clamped lock jaw clamp as claimed in claim 5, characterized in that: the lower end of the main body (3) is provided with a lifting screw hole (36), the center of the top sheet (41) is provided with a lifting through hole (410), and the lifting through hole (410) is aligned with the lifting screw hole (36); the blind rivet (5) comprises: a rod sleeve (51) and a screw rod (52), wherein the screw rod (52) sequentially penetrates through the rod sleeve (51) and the lifting through hole (410) and is meshed with the lifting screw hole (36).

8. The securely-clamped lock jaw clamp of claim 7, wherein: the upper end of the rod sleeve (51) is provided with a limiting section (511), the middle part of the rod sleeve is provided with a connecting section (512), the lower end of the rod sleeve is provided with a bolt section (513), the outer diameter of the limiting section (511) is larger than that of the connecting section (512), and the outer diameter of the connecting section (512) is larger than that of the bolt section (513); the blind rivet (5) further comprises: the limiting cap (53), the bolt section (513) is inserted into the limiting cap (53), and the outer diameter of the limiting cap (53) is larger than that of the connecting section (512).

9. The firmly-clamped lock jaw clamp of claim 8, is characterized in that: the side of spacing section (511) has ring channel (514), blind rivet (5) still includes: a rubber ring (54), wherein the rubber ring (54) is embedded in the annular groove (514) and protrudes from the side surface of the limiting section (511).