CN210996894U

CN210996894U - Feed arrangement is used in worm processing

Info

Publication number: CN210996894U
Application number: CN201921560707.2U
Authority: CN
Inventors: 蒲节童
Original assignee: Chongqing Gulisen Transmission Machinery Co ltd
Current assignee: Chongqing Gulisen Transmission Machinery Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-07-14
Anticipated expiration: 2029-09-19

Abstract

The utility model belongs to the technical field of precision machining, in particular to a feeding device for worm machining, which comprises a driving box, wherein an installation cavity is arranged in the driving box, one side of the driving box is rotationally connected with a driving fixing mechanism, a driving part is arranged in the installation cavity, the driving part is electrically connected with an external power supply, the output end of the driving part is fixedly connected with the driving fixing mechanism, and the driving fixing mechanism comprises a fixing sleeve rotationally connected to one side of the driving box and a limiting sleeve sleeved on the outer wall of the fixing sleeve; the pressure applied to the worm by the clamping rods is dispersed through the contact parts, so that the pressure generated by the contact parts on the surface of the worm is reduced, the clamping stability of the worm is effectively improved, the quality of the worm is effectively guaranteed, the worms of different sizes can be clamped, the contact parts can be completely attached to the outer wall of the worm in an angle adjusting mode, and the application range of the device is widened.

Description

Feed arrangement is used in worm processing

Technical Field

The utility model belongs to the technical field of the precision finishing, specifically a feed arrangement is used in worm processing.

Background

The worm is the transmission work piece of longer use among various drive mechanism, need guarantee driven stability and accuracy nature among the transmission process, consequently need corresponding drive disk assembly to have higher requirement of dispatching from the factory, in order to guarantee higher quality, so need guarantee its higher machining precision to the processing of worm, use current machine tool, owing to the adoption be general equipment, the processing mode still is traditional processing form, positioning accuracy is lower during the location, often cause the stability of clamping relatively poor easily, the eccentricity is higher, be unfavorable for the processing of higher precision, and the clamping process has caused the waste of time, machining efficiency is lower, and the cost is higher.

Chinese patent discloses a feed arrangement for worm processing, its publication number is (CN207806802U), this patent can realize the quick clamping to the worm through simple structure cooperation, stability is stronger, can realize the location automatically, guarantee better machining precision and processing effect, be favorable to the batch production of processing, improve machining efficiency, but the clamp method of this patent mainly uses two L shaped plates to centre gripping the worm, L shaped plate and worm contact end have the V-groove for the block worm, because the L shaped plate is located the sleeve outside, the worm is located inside the sleeve, make L shaped plate and worm not completely laminate, but L shaped plate and worm have certain contained angle and single-point laminating, when L shaped plate gave the worm pressure too big, cause local pressure increase easily to cause the damage to the worm, and the worm is the precision part again, therefore this patent block part has the defect, therefore, technical personnel in the art have provided a feed arrangement for worm processing, in order to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a feed arrangement is used in worm processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a feeding device for worm machining comprises a driving box, wherein an installation cavity is arranged in the driving box, one side of the driving box is rotatably connected with a driving fixing mechanism, a driving part is arranged in the installation cavity and electrically connected with an external power supply, the output end of the driving part is fixedly connected with the driving fixing mechanism, the driving fixing mechanism comprises a fixing sleeve rotatably connected to one side of the driving box and a limiting sleeve sleeved on the outer wall of the fixing sleeve, the limiting sleeve is positioned outside the driving box, one end, away from the driving box, of the outer wall of the fixing sleeve is provided with a matching thread, the outer wall of one end, away from the driving box, of the fixing sleeve is hinged with two symmetrically distributed clamping rods, one end, away from the driving box, of each opposite surface of the two clamping rods is hinged with a contact part, and a worm sleeve is detachably connected in the fixing sleeve, four evenly distributed's spacing grooves are seted up to the fixed sleeve inner wall, worm sleeve outer wall fixedly connected with four evenly distributed's of spacing groove complex spacing muscle, spacing muscle sliding connection be in the inner wall of spacing groove.

As a further aspect of the present invention: the contact member is hinged to the clamping lever by a hinge.

As a further aspect of the present invention: the cross-sectional shape of the contact member is circular arc.

As a further aspect of the present invention: the clamping rod is close to one end of the driving box and is fixedly connected with a control rod, and the clamping rod is hinged to the fixed sleeve through a connecting pin at the included angle of the control rod.

As a further aspect of the present invention: one end of the limiting sleeve, which is close to the clamping rod, is provided with an inclined plane part.

As a further aspect of the present invention: the worm sleeve is made of rubber.

As a further aspect of the present invention: the rotary hole is formed in one side of the driving box, the fixed sleeve is rotatably connected to the inner wall of the rotary hole, and a bearing is arranged between the fixed sleeve and the rotary hole.

Compared with the prior art, the beneficial effects of the utility model are that:

fixed cover barrel outer wall articulates there are two supporting rods, through rotating limit sleeve, make limit sleeve withstand the control lever of supporting rod rear end, thereby it rotates to worm department to drive the supporting rod, contact member contacts with the worm completely this moment, disperse the pressure that the supporting rod was applyed to the worm through contact member, thereby reduce the pressure that contact member produced on the worm surface, the effectual centre gripping stability that improves the worm with guaranteed the worm quality, and not unidimensional worm can all carry out the centre gripping, contact member all can be through angle regulation's mode and the worm outer wall is attached completely, the device's application scope has been improved.

Drawings

FIG. 1 is a schematic structural view of a feeding device for worm machining;

FIG. 2 is a schematic top sectional view of a feeder for worm machining;

FIG. 3 is a schematic front view of a fixing sleeve of a feeding device for worm machining;

FIG. 4 is a schematic diagram of clamping force of a conventional worm;

fig. 5 is a schematic diagram of the force applied to the engagement of the contact part with the worm in the feeding device for worm processing.

In the figure: 1. a drive box; 101. a mounting cavity; 11. rotating the hole; 12. a bearing; 2. a drive fixing mechanism; 21. matching threads; 22. fixing the sleeve; 23. a limiting sleeve; 24. a limiting groove; 25. an inclined plane part; 3. a clamping rod; 31. a control lever; 4. a contact member; 41. a hinge portion; 5. a drive member; 6. a worm sleeve; 61. and limiting ribs.

Detailed Description

Referring to fig. 1-5, in the embodiment of the present invention, a feeding device for worm processing comprises a driving box 1, a mounting cavity 101 is provided inside the driving box 1, a driving fixing mechanism 2 is rotatably connected to one side of the driving box 1, a driving part 5 is installed inside the mounting cavity 101, the driving part 5 is electrically connected to an external power source, an output end of the driving part 5 is fixedly connected to the driving fixing mechanism 2, the driving fixing mechanism 2 comprises a fixing sleeve 22 rotatably connected to one side of the driving box 1 and a limiting sleeve 23 sleeved on an outer wall of the fixing sleeve 22, the limiting sleeve 23 is located outside the driving box 1, a matching thread 21 is provided on an outer wall of the fixing sleeve 22 at a position away from the driving box 1, two symmetrically distributed clamping rods 3 are hinged on an outer wall of an end of the fixing sleeve 22 away from the driving box 1, and a contact part 4 is hinged on an, the inside worm sleeve 6 that can dismantle of drive fixed establishment 2 is connected with, four evenly distributed's spacing groove 24 is seted up to 2 inner walls of drive fixed establishment, 6 outer wall fixedly connected with of worm sleeve and spacing groove 24 complex four evenly distributed's spacing muscle 61, spacing muscle 61 sliding connection is at the inner wall of spacing groove 24.

In FIGS. 1-2: the worm driving device comprises a driving box 1, a mounting cavity 101 is arranged in the driving box 1, the mounting cavity 101 provides a mounting space for a driving part 5, one side of the driving box 1 is rotatably connected with a driving fixing mechanism 2, the driving part 5 is arranged in the mounting cavity 101, the driving part 5 is electrically connected with an external power supply, the driving part 5 selects a brake motor as a driver, the model of the brake motor is (QAEJ112M4A), the output end of the driving part 5 is fixedly connected with the driving fixing mechanism 2, the driving fixing mechanism 2 comprises a fixing sleeve 22 rotatably connected to one side of the driving box 1 and a limiting sleeve 23 sleeved on the outer wall of the fixing sleeve 22, the fixing sleeve 22 is mainly used for fixing one end of a worm, the limiting sleeve 23 is mainly used for controlling a clamping rod 3, the limiting sleeve 23 is positioned outside the driving box 1, a matching thread 21 is arranged at one end of the outer wall of the fixing sleeve 22, which is far away from the driving box, the limiting sleeve 23 rotates through the matching thread 21 and is affected by the matching thread 21, so that the limiting sleeve 23 slides on the surface of the fixing sleeve 22, when the limiting sleeve slides, one end of the limiting sleeve 23 props against the control rod 31, an included angle between the control rod 31 and the fixing sleeve 22 is reduced from ninety degrees, the included angle between the control rod 31 and the fixing sleeve 22 is changed, but the angle between the control rod 31 and the clamping rod 3 is always ninety degrees and is kept unchanged, at the moment, the clamping rod 3 rotates towards the center of the fixing sleeve 22 until the contact part 4 is in contact with the surface of the worm, one ends of opposite surfaces of the two clamping rods 3, which are far away from the driving box 1, are both hinged with the contact part 4, the contact part 4 is hinged with the clamping rod 3 through the hinge part 41, the cross section of the contact part 4 is arc-shaped, the contact part 4 is an arc-shaped plate, and, according to the pressure formula, when the pressure is constant and the stress area is increased, the local pressure is reduced, the pressure of the contact component 4 on the worm is reduced, the worm is effectively protected, the friction force is related to the pressure, and the pressure is unchanged, the friction force is unchanged under the condition that the friction coefficient is unchanged, so that the clamping effect cannot be influenced by the mode, an operator can fill some anti-skid layers between the contact component 4 and the worm according to different requirements, the friction coefficient is changed, and the application range of the device is increased.

In fig. 3: the worm sleeve 6 is detachably connected inside the fixed sleeve 22, four evenly distributed limiting grooves 24 are formed in the inner wall of the fixed sleeve 22, four evenly distributed limiting ribs 61 matched with the limiting grooves 24 are fixedly connected to the outer wall of the worm sleeve 6, the limiting ribs 61 are connected to the inner wall of the limiting grooves 24 in a sliding mode, due to the fact that the size of the worm is different and the size of the fixed sleeve 22 is the same, the worm sleeve 6 with different inner diameters is matched with the worm through replacement, the worm can be matched with the fixed sleeve 22, the worm with different sizes can still be in a coaxial rotating state with the fixed sleeve 22, the applicability of the device is improved, relative sliding between the worm sleeve 6 and the fixed sleeve 22 can not occur through matching of the limiting grooves 24 and the limiting ribs 61, the use stability of the device is improved, the worm sleeve 6 and the clamping rod 3 are close to one end of the driving box 1 and are fixedly connected with the control rod 31, the included angle between the clamping rod 3 and the control rod 31 is hinged with the fixing sleeve 22 through a connecting pin, the hinged part between the clamping rod 3 and the control rod 31 and the inner wall of the limiting sleeve 23 are not in the same plane, the outer wall of the fixing sleeve 22 is provided with a hinged groove, the hinged part between the clamping rod 3 and the control rod 31 is positioned in the hinged groove, so that when the limiting sleeve 23 pushes the control rod 31, the control rod 31 and the clamping rod 3 can rotate around the hinged part, so that the contact part 4 is jointed with the worm, one end of the limiting sleeve 23, which is close to the clamping rod 3, is provided with an inclined plane part 25, when the limiting sleeve 23 is contacted with the control rod 31, the control rod 31 is jointed with the inclined plane part 25, the control rod 31 and the fixing sleeve 22 have a certain angle, the joint degree between the control rod 31 and the limiting sleeve 23 can be higher through the inclined plane part 25, the inclined plane sleeve 6 is mainly made of rubber, one side of the, the fixed sleeve 22 is rotatably connected to the inner wall of the rotating hole 11, a bearing 12 is provided between the fixed sleeve 22 and the rotating hole 11, the fixed sleeve 22 is supported by the bearing 12, and the rotating friction of the fixed sleeve 22 is reduced.

In fig. 4-5, fig. 4 shows that two L plates clamp the worm, the contact end of the L plate and the worm has a V-shaped groove for clamping the worm, because the L plate is located outside the sleeve, and the worm is located inside the sleeve, so that the L plate and the worm are not completely attached, but the L plate and the worm have a certain included angle and a single point are attached, when the L plate applies too much pressure to the worm, it is easy to cause local pressure increase to damage the worm, and the worm is a precise component, therefore, the clamping component of this patent has a defect, fig. 5 shows that the clamping mode of the present invention, when the clamping rod 3 and the worm form an included angle, the contact component 4 adjusts the angle through the hinge portion 41, so that the contact component 4 and the worm directly contact, thereby increasing the contact area of the worm, reducing the pressure on the worm, and playing a role of protecting the worm, the hinge portion 41 mainly includes two lugs fixed on the surfaces of the clamping rod 3 and the contact component 4, and the two lugs are connected through pins, and different contact components 4 can.

The utility model discloses a theory of operation is: when the worm gear clamping device is used, one end of a worm is sleeved with the worm sleeve 6 matched with the worm, the worm sleeve 6 with different inner diameters is matched with the worm by replacing the worm sleeve 6 with different inner diameters, the worm can be matched with the fixed sleeve 22, the worms with different sizes can still be in a coaxial rotating state with the fixed sleeve 22, the applicability of the device is improved, the worm sleeve 6 and the fixed sleeve 22 cannot slide relatively through the matching of the limiting groove 24 and the limiting rib 61, then the limiting sleeve 23 rotates through the matching thread 21 and is influenced by the matching thread 21, the limiting sleeve 23 slides on the surface of the fixed sleeve 22, one end of the limiting sleeve 23 props against the control rod 31 during sliding, the included angle between the control rod 31 and the fixed sleeve 22 is reduced from ninety degrees, because the included angle between the control rod 31 and the fixed sleeve 22 is changed, but the angle between the control rod 31 and the clamping rod 3 is always maintained as ninety degrees, at the moment, the clamping rod 3 rotates towards the circle center of the fixed sleeve 22 until the contact part 4 contacts with the surface of the worm, when the clamping rod 3 forms an included angle with the worm, the contact part 4 adjusts the angle through the hinge part 41, so that the contact part 4 directly contacts with the worm, the contact area is increased, the pressure on the worm is reduced, the worm is protected, a slide rail is arranged below the driving box 1, at the moment, the driving part 5 is opened, the driving part 5 drives the driving fixing mechanism 2 to rotate, further drives the worm to rotate, the driving box 1 slides through the slide rail to complete addition feeding, the driving box 1 can use an electric telescopic rod as a driving part when moving on the slide rail, the driving box 1 is pushed by the electric telescopic rod to move on the slide rail at a constant speed, and through the above manner, the contact part 4 disperses the pressure applied to the worm by the clamping rod 3, thereby reducing the pressure generated on the surface of the worm, the clamping stability of the worm is effectively improved, the quality of the worm is guaranteed, the worms of different sizes can be clamped, the contact part 4 can be completely attached to the outer wall of the worm through the angle regulation, and the application range of the device is widened.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The feeding device for worm machining comprises a driving box (1) and is characterized in that an installation cavity (101) is formed in the driving box (1), a driving fixing mechanism (2) is rotatably connected to one side of the driving box (1), a driving part (5) is installed in the installation cavity (101), the driving part (5) is electrically connected with an external power supply, and the output end of the driving part (5) is fixedly connected with the driving fixing mechanism (2);

the driving fixing mechanism (2) comprises a fixing sleeve (22) rotatably connected to one side of the driving box (1) and a limiting sleeve (23) sleeved on the outer wall of the fixing sleeve (22), the limiting sleeve (23) is located outside the driving box (1), a matching thread (21) is arranged at one end, away from the driving box (1), of the outer wall of the fixing sleeve (22), the outer wall of one end, away from the driving box (1), of the fixing sleeve (22) is hinged with two symmetrically distributed clamping rods (3), and one ends, away from the driving box (1), of opposite surfaces of the two clamping rods (3) are hinged with contact parts (4);

the worm sleeve is detachably connected with the inside of the fixed sleeve (22), four evenly distributed limiting grooves (24) are formed in the inner wall of the fixed sleeve (22), four evenly distributed limiting ribs (61) matched with the limiting grooves (24) are fixedly connected to the outer wall of the worm sleeve (6), and the limiting ribs (61) are slidably connected to the inner wall of the limiting grooves (24).

2. The feed device for worm machining according to claim 1, characterised in that the contact part (4) is hinged to the gripping shank (3) by means of a hinge (41).

3. A feed device for worm machining according to claim 1, characterised in that the cross-section of the contact member (4) is circular-arc shaped.

4. The feeding device for worm rod processing according to claim 1, characterized in that a control rod (31) is fixedly connected to one end of the clamping rod (3) close to the driving box (1), and the clamping rod (3) is hinged to the fixing sleeve (22) through a connecting pin at the included angle of the control rod (31).

5. A feed arrangement for worm machining according to claim 1, characterised in that the end of the stop sleeve (23) adjacent to the clamping bar (3) has a bevelled portion (25).

6. The feeding device for worm machining according to claim 1, characterized in that the material of the worm sleeve (6) is rubber.

7. The feeding device for worm machining according to claim 1, characterized in that a rotating hole (11) is formed in one side of the driving box (1), the fixed sleeve (22) is rotatably connected to the inner wall of the rotating hole (11), and a bearing (12) is arranged between the fixed sleeve (22) and the rotating hole (11).