CN215880206U - Novel thread tooth-removing structure - Google Patents

Abstract

The utility model relates to a novel thread demoulding structure which comprises a grinding tool bin, wherein partition plates are fixedly connected between four inner side walls of the grinding tool bin, four fixing grooves are formed in the top surface of the grinding tool bin, the bottom surface of each partition plate is movably connected with a supporting rod, one end of each supporting rod vertically penetrates through the bottom surface of each partition plate and extends to the top of each partition plate, the top surfaces of the four supporting rods are movably connected with screw rods, one end of each screw rod vertically penetrates through the top surfaces of the four supporting rods and extends to the inside of the corresponding supporting rod, two first rotating rods are movably connected between the bottom surface of each partition plate and the inner bottom wall of the grinding tool bin through bearings, and driving gears are fixedly mounted on the outer peripheral walls of the two first rotating rods. This novel thread structure of taking off a tooth, through the fixed block and the clearance fit between the groove of stepping down, convenient removes the fixed block, through the annular spring to the fixed of fixed block, can advance line location fast and fix to the screw tap, avoids the screw tap because of the slope, leads to its fracture when attacking the tooth, causes the damage of work piece, improves the productivity of work piece.

Description

Novel thread tooth-removing structure

Technical Field

The utility model relates to the technical field of threads, in particular to a novel thread tooth-removing structure.

Background

The thread refers to a spiral line shape formed on the surface of a cylindrical or conical parent body and a continuous convex part with a specific section, and the thread is divided into a cylindrical thread and a conical thread according to the shape of the parent body, an external thread and an internal thread according to the position of the parent body, and a triangular thread, a rectangular thread, a trapezoidal thread, a zigzag thread and other special-shaped threads according to the shape of the section.

When the existing thread-stripping die is used for tapping a workpiece, a transmission mechanism of the existing thread-stripping die is easy to break a screw tap when forward and reverse rotation is switched, and meanwhile, when the screw tap is replaced, the existing thread-stripping die is relatively complex and inconvenient, and the screw tap cannot be accurately positioned, so that a novel thread-stripping structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a novel thread run-off structure, which has the advantage of reducing screw tap fracture, and solves the problems that when the conventional thread run-off die is used for tapping a workpiece, a screw tap is easy to fracture when a transmission mechanism is switched between positive rotation and negative rotation, and meanwhile, when the screw tap is replaced, the screw tap is complex and inconvenient, and the screw tap cannot be accurately positioned.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel screw thread structure of taking off a tooth, includes the grinding apparatus storehouse, fixedly connected with baffle between the interior four lateral walls in grinding apparatus storehouse, the fixed slot that quantity is four is seted up to the top surface in grinding apparatus storehouse.

The bottom surface of baffle has one end to run through perpendicularly and extend to the bracing piece of its top department, four through bearing swing joint the equal swing joint in top surface of bracing piece has one end to run through perpendicularly and extends to its inside screw rod, there are first bull stick that quantity is two through bearing swing joint between the bottom surface of baffle and the inner diapire in grinding apparatus storehouse, two equal fixed mounting has the driving gear, four on the periphery wall of first bull stick the equal fixed mounting of periphery wall of bracing piece has driving gear meshed's driven gear.

And a driving mechanism is arranged on the inner bottom wall of the grinding tool bin and used for driving the four supporting rods to rotate.

And four fixing mechanisms are arranged inside the screw rods and used for clamping the screw tap.

Further, the shape in grinding apparatus storehouse is inside hollow cuboid, four the bracing piece uses the central line in grinding apparatus storehouse to be two bilateral symmetry distributions as the center, two the driving gear distributes and is located between four driven gear, four the screw hole is all seted up to the top surface of bracing piece, four screw rod distributes and four screw hole threaded connection, four the fixed slot is convex groove.

Further, actuating mechanism includes servo motor, servo motor fixed mounting is on the left surface in grinding apparatus storehouse, the interior diapire in grinding apparatus storehouse and be close to right side inner wall department vertical fixation have the backup pad, servo motor's output fixedly connected with one end runs through perpendicularly and extends to the worm of backup pad left surface department, the worm through two bearings respectively with grinding apparatus storehouse and backup pad swing joint, the interior diapire in grinding apparatus storehouse has the second bull stick through bearing swing joint, fixed mounting has the initiative worm wheel with worm meshing on the periphery wall of second bull stick, two equal fixed mounting has on the periphery wall of first bull stick and takes turns to the driven worm wheel with initiative worm wheel meshing.

Furthermore, the two first rotating rods are distributed in a bilateral symmetry mode by taking the second rotating rod as a center, and the worm is located on the front faces of the two driving worm wheels.

Further, fixed establishment is including solid fixed ring, gu fixed ring's periphery wall and the internal perisporium fixed connection of screw rod, gu fixed ring's periphery wall has seted up first ring channel, gu all seted up a plurality of grooves of stepping down on fixed ring's the periphery wall, it is a plurality of the equal swing joint in groove of stepping down has the fixed block, and is a plurality of the second ring channel has all been seted up on the fixed block keeps away from solid fixed ring's a side, and is a plurality of the cover is equipped with annular spring between the second ring channel.

Further, the shape of screw rod is the cylinder of inside cavity and top surface disappearance, and is a plurality of the fixed block is joined in marriage with a plurality of groove clearances of stepping down respectively, and is a plurality of the fixed block uses solid fixed ring to be the equidistance distribution of equidistance as the center.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. according to the novel thread run-off structure, the fixed block is conveniently moved through clearance fit between the fixed block and the abdicating groove, the screw tap can be quickly positioned and fixed through fixing the fixed block by the annular spring, the screw tap is prevented from being broken during tapping due to inclination, the workpiece is prevented from being damaged, and the productivity of the workpiece is improved;

2. this novel thread tooth structure of taking off through meshing between worm and the worm wheel, and the messenger that can be stable is first bull stick rotatory, avoids first bull stick to cause the damage to the tap when switching positive and negative rotation, and servo motor drives the worm rotatory simultaneously, and convenient staff uses, through the meshing between screw rod and the bracing piece, makes the tap remove, more convenient and practical.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the screw of the present invention.

In the figure: 1 grinding tool bin, 2 partition plates, 3 supporting rods, 4 screw rods, 5 fixing grooves, 6 servo motors, 7 worms, 8 driven gears, 9 driving gears, 10 first rotating rods, 11 driven worm wheels, 12 driving worm wheels, 13 supporting plates, 14 first annular grooves, 15 second annular grooves, 16 annular springs, 17 abdicating grooves, 18 fixing blocks, 19 second rotating rods and 20 fixing rings.

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. 1-3, the novel threaded tooth-stripping structure in the present embodiment includes a grinding tool bin 1, partition plates 2 fixedly connected between four inner side walls of the grinding tool bin 1, and four fixing grooves 5 formed on a top surface of the grinding tool bin 1.

The bottom surface of baffle 2 has one end to run through perpendicularly and extend to the bracing piece 3 of its top department through bearing swing joint, the equal swing joint of top surface of four bracing pieces 3 has one end to run through perpendicularly and extend to its inside screw rod 4, there are first bull stick 10 that quantity is two through bearing swing joint between the bottom surface of baffle 2 and the inner bottom wall in grinding apparatus storehouse 1, equal fixed mounting has driving gear 9 on the periphery wall of two first bull sticks 10, the equal fixed mounting of periphery wall of four bracing pieces 3 has driven gear 8 of driving gear 9 meshing.

The inner bottom wall of the grinding tool bin 1 is provided with a driving mechanism for driving the four support rods 3 to rotate.

The inside of four screws 4 all is equipped with fixed establishment for carry out the centre gripping to the screw tap.

Wherein, the shape in grinding apparatus storehouse 1 is inside hollow cuboid, and four bracing pieces 3 use the central line in grinding apparatus storehouse 1 to be two bilateral symmetry distributions as the center, and two driving gear 9 distribute and are located between four driven gear 8, and threaded hole is all seted up to the top surface of four bracing pieces 3, and four screw rods 4 distribute and four screw hole threaded connection, and four fixed slots 5 are convex groove.

It should be noted that the front of the grinding tool bin 1 is movably connected with a bin door through a hinge.

Specifically, the first rotating rod 10 rotates, the supporting rod 3 is driven to rotate through the meshing between the driving gear 9 and the driven gear 8, and the screw rod 4 drives the screw tap to penetrate through the fixing groove 5 to tap the workpiece through the meshing between the supporting rod 3 and the screw rod 4.

In this embodiment, actuating mechanism includes servo motor 6, servo motor 6 fixed mounting is on the left surface in grinding apparatus storehouse 1, the interior diapire in grinding apparatus storehouse 1 and be close to right side inner wall department vertical fixation have backup pad 13, servo motor 6's output fixedly connected with one end runs through perpendicularly and extends to the worm 7 of backup pad 13 left surface department, worm 7 respectively with grinding apparatus storehouse 1 and backup pad 13 swing joint through two bearings, the interior diapire in grinding apparatus storehouse 1 has second bull stick 19 through bearing swing joint, fixed mounting has the initiative worm wheel 12 with worm 7 meshing on the periphery wall of second bull stick 19, equal fixed mounting has on the periphery wall of two first bull sticks 10 and meshes driven worm wheel 11 with initiative worm wheel 12.

The two first rotating rods 10 are symmetrically distributed with the second rotating rod 19 as the center, and the worm 7 is positioned on the front surfaces of the two driving worm wheels 12.

Specifically, the servo motor 6 is started, the output end of the servo motor 6 drives the worm 7 to rotate, the driving worm wheel 12 is driven to rotate through the meshing between the worm 7 and the driving worm wheel 12 and the movable connection between the second rotating rod 19 and the grinding tool bin 1, and then the first rotating rod 10 is driven to rotate through the meshing between the driving worm wheel 12 and the driven worm wheel 11.

In this embodiment, fixed establishment includes solid fixed ring 20, gu fixed ring 20's periphery wall and screw rod 4's internal perisporium fixed connection, gu fixed ring 20's periphery wall has seted up first ring channel 14, gu all seted up a plurality of grooves 17 of stepping down on fixed ring 20's the periphery wall, a plurality of grooves 17 of stepping down all swing joint have a fixed block 18, a plurality of fixed blocks 18 have all seted up second ring channel 15 on keeping away from solid fixed ring 20's a side, the cover is equipped with annular spring 16 between a plurality of second ring channel 15.

Wherein, the shape of screw rod 4 is the cylinder of inside cavity and top surface disappearance, and a plurality of fixed blocks 18 respectively with a plurality of grooves 17 clearance fit of stepping down, a plurality of fixed blocks 18 use solid fixed ring 20 to be the equiangular equidistance distribution as the center.

Specifically, the screw tap is inserted into the screw rod 4, the fixing block 18 is pushed by the bottom end of the screw tap to move relatively, the annular spring 16 is extruded to expand outwards, and when the bottom end of the screw tap is located at the bottom of the fixing block 18, the elastic potential energy of the annular spring 16 pushes the fixing block 18 to reset, so that the screw tap is clamped.

The working principle of the above embodiment is as follows:

(1) placing a workpiece on the fixing groove 5, starting the servo motor 6, driving the worm 7 to rotate by the output end of the servo motor 6, driving the driving worm wheel 12 to rotate by the meshing between the worm 7 and the driving worm wheel 12 and the movable connection between the second rotating rod 19 and the grinding tool bin 1, further driving the first rotating rod 10 to rotate by the meshing between the driving worm wheel 12 and the driven worm wheel 11, driving the supporting rod 3 to rotate by the meshing between the driving gear 9 and the driven gear 8, driving the screw tap 4 to penetrate through the fixing groove 5 to tap the workpiece by the meshing between the supporting rod 3 and the screw rod 4, and reversing the servo motor 6 to separate the screw tap from the workpiece after the workpiece is tapped;

(2) when the screw tap needs to be replaced, the bin door can be opened, the screw tap is pulled upwards to separate the screw tap from the clamping of the fixing block 18, a new screw tap is inserted into the screw rod 4, the fixing block 18 moves relative to the bottom end of the screw tap in a pushing mode, the annular spring 16 is extruded to expand outwards, when the bottom end of the screw tap is located at the bottom of the fixing block 18, the elastic potential energy of the annular spring 16 pushes the fixing block 18 to reset, the screw tap is clamped, and the annular spring 16 is in an expansion state at the moment.

The control mode of the utility model is controlled by a controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the utility model.

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, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a 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 (6)

1. The novel thread demoulding structure is characterized by comprising a grinding tool bin (1), wherein partition plates (2) are fixedly connected between the four inner side walls of the grinding tool bin (1), and four fixing grooves (5) are formed in the top surface of the grinding tool bin (1);

the bottom surface of the partition plate (2) is movably connected with supporting rods (3) with one end vertically penetrating and extending to the top of the partition plate through bearings, the top surfaces of the four supporting rods (3) are movably connected with screw rods (4) with one ends vertically penetrating and extending to the interior of the partition plate, two first rotating rods (10) are movably connected between the bottom surface of the partition plate (2) and the inner bottom wall of the grinding tool bin (1) through bearings, driving gears (9) are fixedly installed on the peripheral walls of the two first rotating rods (10), and driven gears (8) meshed with the driving gears (9) are fixedly installed on the peripheral walls of the four supporting rods (3);

the inner bottom wall of the grinding tool bin (1) is provided with a driving mechanism, and the four screw rods (4) are all provided with a fixing mechanism.

2. The novel thread run-out structure of claim 1, wherein: the shape in grinding apparatus storehouse (1) is inside hollow cuboid, four bracing piece (3) are two bilateral symmetry distributions, two as the center with the central line in grinding apparatus storehouse (1) driving gear (9) distribute and are located between four driven gear (8), four threaded hole, four are all seted up to the top surface of bracing piece (3) screw rod (4) distribute with four screw hole threaded connection, four fixed slot (5) are convex groove.

3. The novel thread run-out structure of claim 1, wherein: the driving mechanism comprises a servo motor (6), the servo motor (6) is fixedly arranged on the left side surface of the grinding tool bin (1), a supporting plate (13) is vertically fixed on the inner bottom wall of the grinding tool bin (1) and close to the inner wall of the right side, the output end of the servo motor (6) is fixedly connected with a worm (7) one end of which vertically penetrates and extends to the left side surface of the supporting plate (13), the worm (7) is respectively and movably connected with the grinding tool bin (1) and the supporting plate (13) through two bearings, the inner bottom wall of the grinding tool bin (1) is movably connected with a second rotating rod (19) through a bearing, fixed mounting has initiative worm wheel (12) with worm (7) meshing on the periphery wall of second bull stick (19), two equal fixed mounting has driven worm wheel (11) with initiative worm wheel (12) meshing on the periphery wall of first bull stick (10).

4. A novel thread run-out according to claim 3, wherein: the two first rotating rods (10) are symmetrically distributed in the left-right direction by taking the second rotating rod (19) as the center, and the worm (7) is positioned on the front faces of the two driving worm wheels (12).

5. The novel thread run-out structure of claim 1, wherein: fixed establishment is including solid fixed ring (20), the internal perisporium fixed connection of the periphery wall of solid fixed ring (20) and screw rod (4), first ring channel (14) have been seted up to the periphery wall of solid fixed ring (20), all seted up a plurality of grooves of stepping down (17) on the periphery wall of solid fixed ring (20), it is a plurality of the equal swing joint in groove of stepping down (17) has fixed block (18), and is a plurality of second ring channel (15) have all been seted up on the side of solid fixed ring (20) is kept away from in fixed block (18), and is a plurality of the cover is equipped with between second ring channel (15) and has ring spring (16).

6. The novel thread run-out structure of claim 5, wherein: the shape of screw rod (4) is the cylinder of inside cavity and top surface disappearance, and is a plurality of fixed block (18) are respectively with a plurality of groove (17) clearance fit of stepping down, and are a plurality of fixed block (18) are the equidistance distribution of equidistance such as angle as the center with solid fixed ring (20).

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