Nozzle locking mechanism and clamping device

Abstract

The utility model discloses a nozzle locking mechanism and a clamping device, and relates to the technical field of motor manufacturing, and the nozzle locking mechanism comprises a supporting seat; the driving structure is arranged on the supporting seat; the mounting seat is arranged on the supporting seat and is provided with a communicating cavity; the central shaft sleeve is arranged in the communicating cavity, the central shaft sleeve is fixedly connected with the mounting seat, and the central shaft sleeve is provided with an opening with an adjustable caliber and used for inserting a product; and the mounting sleeve is slidably arranged in the communicating cavity and sleeves the periphery of the central shaft sleeve, the driving structure drives the mounting sleeve to move in the axial direction of the communicating cavity, and the inner diameter of the end, close to the opening, of the mounting sleeve is larger than that of the end, away from the opening, of the mounting sleeve, so that when the mounting sleeve moves towards the opening, the aperture of the opening is reduced to clamp a product. According to the technical scheme provided by the utility model, the clamping force of the central shaft sleeve is changed by controlling the axial movement of the mounting sleeve, the clamping process is quickly completed, the working efficiency is improved, and the whole structure is more compact, smaller in occupied space and suitable for an environment with limited space.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor manufacturing technical field, especially a kind of mouth mechanism and clamping device. BACKGROUND

[0002] With the expansion of the application range of motor, the performance requirement of motor is increasing, in the motor manufacturing process, the winding quality of stator and rotor directly affects the working efficiency and service life of motor, the mouth structure widely used in winding equipment is used to realize the fixation and rotation of stator or rotor, usually including complex mechanical structure, such as multi-jaw chuck, special fixture, etc., the position accuracy of workpiece is ensured by precision fit, the mechanism is usually more complex, not only increase manufacturing cost, and need enough range of motion, it is more difficult to realize for some limited space scene. SUMMARY

[0003] The utility model discloses a kind of mouth mechanism and clamping device, to solve the problem that structure is complex and cannot be applied to limited space scene.

[0004] To achieve the above object, the mouth mechanism provided by the utility model comprises:

[0005] Support seat;

[0006] Driving structure, set in the support seat;

[0007] Mounting seat, set in the support seat, the mounting seat has a communication cavity;

[0008] Center shaft sleeve, set in the communication cavity, the center shaft sleeve is fixedly connected with the mounting seat, one end of the center shaft sleeve has adjustable opening, for inserting product, the outer diameter of the opening is greater than the outer diameter of the center shaft sleeve;And

[0009] Mounting sleeve, slidingly set in the communication cavity and sleeved on the outer periphery of the center shaft sleeve, the driving structure is drivingly connected with the mounting sleeve to drive the mounting sleeve to move along the axial direction of the communication cavity, the inner diameter of one end of the mounting sleeve close to the opening is greater than the inner diameter of one end of the mounting sleeve away from the opening, so that the caliber of the opening is reduced to clamp the product when the mounting sleeve moves towards the opening direction.

[0010] In an embodiment, the center shaft sleeve includes a sleeve body and a plurality of protrusions, the protrusions are arranged along the circumference of the sleeve body, and the plurality of protrusions enclose the opening.

[0011] In an embodiment, the protrusions are inclined radially outward from the sleeve body towards the opening.

[0012] In an embodiment, a sliding groove is arranged along the axial direction on the outer periphery of the mounting sleeve, and the nozzle mechanism further comprises a limiting member which penetrates the mounting seat, the sliding groove and the central sleeve in the radial direction.

[0013] In an embodiment, the nozzle mechanism further comprises a positioning shaft arranged in the central sleeve to limit the height of the product extending into the central sleeve.

[0014] In an embodiment, the nozzle mechanism further comprises a floating joint and a connecting plate, the mounting sleeve extends out of the mounting seat and is connected with the connecting plate, and the floating joint is used to connect the connecting plate and the driving structure.

[0015] In an embodiment, the nozzle mechanism further comprises a synchronous wheel which is sleeved on the outer periphery of the mounting seat and is fixedly connected with the mounting seat, and the synchronous wheel is connected with the motor through a belt to drive the product to rotate.

[0016] In an embodiment, the nozzle mechanism further comprises a first bearing, and the mounting seat is rotatably connected with the supporting seat through the first bearing.

[0017] In an embodiment, the nozzle mechanism further comprises a second bearing, and the mounting sleeve is rotatably connected with the connecting plate through the second bearing.

[0018] The utility model further provides a kind of clamping device, including the nozzle mechanism as any one of the above.

[0019] The utility model discloses a technical scheme, the mounting seat has a communication cavity along its axial arrangement, and the mounting sleeve and the central shaft sleeve are sequentially sleeved in the communication cavity, and the one end of central shaft sleeve has the opening for inserting the product, and the inside diameter of the one end of mounting sleeve near the opening is larger, and the inside diameter of the one end far from the opening is less than the outside diameter of the one end of central shaft sleeve with the opening, when the driving structure drives the mounting sleeve to move along the axial direction of communication cavity and towards the opening end, the one end far from the opening of mounting sleeve gradually approaches the opening of central shaft sleeve, and the one end of opening is inwards retracted to reduce the caliber of the one end of opening, and the product is clamped, if the product needs to be released, then the driving structure drives the mounting sleeve to move towards the direction far from the opening, and the one end of opening of central shaft sleeve is gradually released, and the inside diameter of the one end of opening is larger, and the product is released, and the product can be clamped and released through the cooperation of mounting sleeve and central shaft sleeve, and when clamping, can ensure that the product is firmly fixed in the proper position, reduces the product displacement or damage risk caused by loosening, and in addition, because the mounting sleeve has the gradually changing inside diameter design, when moving towards the opening end, the different positions of mounting sleeve contact the one end of opening of central shaft sleeve, can make the opening adjust to different inside diameters, better adapt to the product of different diameter sizes, compared with other clamping structures, only needs to control the axial movement of mounting sleeve to change the clamping force of central shaft sleeve, can quickly complete the clamping process, improves the work efficiency, and the whole structure is more compact, occupies the space less, and is suitable for the environment of limited space. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creating labor.

[0021] Figure 1 The structure schematic view of the mouth mechanism embodiment provided by the utility model is shown in the figure.

[0022] Figure 2 The structure schematic view of the mounting sleeve embodiment provided by the utility model is shown in the figure.

[0023] Figure 3 The structure schematic view of the central shaft sleeve embodiment provided by the utility model is shown in the figure.

[0024] EXPLANATION OF DRAWINGS:

[0025] 10, rotor;

[0026] 100, support seat;

[0027] 200, driving structure;

[0028] 300, mounting seat;

[0029] 400, center shaft sleeve; 410, shaft sleeve body; 420, protrusion;

[0030] 500, mounting sleeve; 501, sliding groove;

[0031] 600, connecting plate;

[0032] 700, floating joint; 800, synchronous wheel.

[0033] The realization, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0035] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0036] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, if "and / or" or "and / or" appears in the whole text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skill in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0037] The utility model provides a kind of mouth mechanism and clamping device.

[0038] Please refer to Figure 1 、 Figure 2 And Figure 3In an embodiment of the utility model, the mouth mechanism includes

[0039] Supporting seat 100;

[0040] Driving structure 200, be located in supporting seat 100;

[0041] Mounting seat 300, be located in supporting seat 100, and mounting seat 300 has the communicating cavity;

[0042] Center shaft sleeve 400, be located in communicating cavity, and center shaft sleeve 400 is fixedly connected with mounting seat 300, and one end of center shaft sleeve 400 has the opening of adjustable caliber, is used for inserting product, and the outer diameter of opening is greater than the outer diameter of center shaft sleeve 400;And

[0043] Mounting sleeve 500, slidingly be located in communicating cavity and be set in the outer periphery of center shaft sleeve 400, and driving structure 200 is drivenly connected with mounting sleeve 500 to drive mounting sleeve 500 moves along the axial movement of communicating cavity, and the inner diameter of one end of mounting sleeve 500 close to opening is greater than the inner diameter of one end of mounting sleeve 500 far from opening, to make the caliber of opening reduce to clamp product when mounting sleeve 500 moves towards opening direction.

[0044] The technical scheme of the utility model, mounting seat 300 has a communicating cavity along its axial direction, and mounting sleeve 500 and center shaft sleeve 400 are sequentially set in communicating cavity, one end of center shaft sleeve 400 has opening for inserting product, the inner diameter of one end of mounting sleeve 500 close to opening is greater and the inner diameter of one end of mounting sleeve 500 far from opening is less than the outer diameter of one end of center shaft sleeve 400, when driving structure 200 drives mounting sleeve 500 moves along the axial movement of communicating cavity towards opening end, one end of mounting sleeve 500 far from opening gradually approaches the opening of center shaft sleeve 400, so that one end of opening is inwardly retracted, to reduce the caliber of one end of opening, facilitate clamping product, if it needs to release product, then driving structure 200 drives mounting sleeve 500 moves towards the direction far from opening, gradually releases the opening end of center shaft sleeve 400, the inner diameter of opening end becomes larger, product is released, that is, mounting sleeve 500 and center shaft sleeve 400 can clamp product and release product, and can ensure that product is firmly fixed in proper position when clamping, reduces the risk of product displacement or damage due to loosening, in addition, because mounting sleeve 500 has gradually changing inner diameter design, when moving towards opening end, different positions of mounting sleeve 500 contact the opening end of center shaft sleeve 400, can make the opening adjust to different inner diameters, better adapt to products of different diameters, compared with other clamping structures, only need to control the axial movement of mounting sleeve 500 to change the clamping force of center shaft sleeve 400, can quickly complete the clamping process, improve work efficiency, and the whole structure is more compact, occupies smaller space, and is suitable for space-limited environment.

[0045] Specifically, the product in the embodiment is configured as a rotor 10, the rotor 10 has a rotating shaft, the rotor 10 extends into an open end of a central shaft sleeve 400, the inner diameter of the opening of the central shaft sleeve 400 is greater than the outer diameter of the rotating shaft at this time, the rotating shaft is in a movable state, the mounting sleeve 500 includes a first sleeve body and a second sleeve body, the first sleeve body is connected with the second sleeve body, and the second sleeve body is close to the open end, the inner diameter of the second sleeve body gradually decreases from the inner diameter close to the open end to the direction away from the open end, so that the inside of the second sleeve body is funnel-shaped, the inner diameter of the first sleeve body is the same as the inner diameter of the second sleeve body away from the open end, and the inner diameter of the first sleeve body is smaller than the outer diameter of the opening, when it is needed to clamp the product, the driving structure 200 drives the mounting sleeve 500 to move in the direction of the opening, the inner diameter of the mounting sleeve 500 in contact with the outer diameter of the opening gradually decreases, so that the diameter of the opening gradually decreases, so as to better clamp the rotating shaft, correspondingly, when it is needed to release the rotor 10, the driving structure 200 drives the mounting sleeve 500 to move in the direction away from the opening, the inner diameter of the mounting sleeve 500 in contact with the outer periphery of the opening gradually increases, so that the pressure on the opening is released, and then the rotating shaft is released, wherein the materials of the central shaft sleeve 400 and the mounting sleeve 500 can be steel, and a quenching process is used to generate; the driving structure 200 can be a linear driving element such as a pneumatic cylinder, a hydraulic cylinder or an electric telescopic rod, and in the embodiment, the driving structure 200 is a pneumatic cylinder.

[0046] Please refer to Figure 3 In the embodiment of the utility model, the central shaft sleeve 400 includes a sleeve main body 410 and a plurality of protrusions 420, the protrusions 420 are arranged at intervals along the periphery of the sleeve main body 410, and the plurality of protrusions 420 jointly form the opening.

[0047] Specifically, the plurality of protrusions 420 are arranged at intervals along the periphery of the sleeve main body 410, and the plurality of protrusions 420 form the opening, after the product is inserted into the opening, the mounting sleeve 500 is moved in the direction of the protrusions 420, so that the protrusions 420 are inwards retracted to clamp the product, since the opening is formed by the plurality of protrusions 420 instead of a single continuous structure such as a cylindrical structure, not only the amount of material used can be reduced, but also the inwards retraction is facilitated, while the strength and rigidity are maintained, which helps to reduce the weight of the entire central shaft sleeve 400.

[0048] Please refer to Figure 3In the embodiment of the utility model, the protrusions 420 are inclined outward in the radial direction from the shaft sleeve main body 410 to the opening direction, so that the outer circumferential diameter formed by the plurality of protrusions 420 is greater than the outer diameter of the shaft sleeve main body 410 and also greater than the outer diameter of the first sleeve body, when the mounting sleeve 500 moves towards the protrusions 420, it can better adhere to the outer wall of the protrusions 420, and as the end of the mounting sleeve 500 with smaller inner diameter approaches the protrusions 420, the protrusions 420 are inclined inward and are pressed more tightly against the product, providing stronger and more uniform clamping force, and when the product is released, the outwardly inclined protrusions 420 are more easily separated from the surface of the product, reducing the risk of the product being stuck.

[0049] Please refer to Figure 2 In the embodiment of the utility model, a sliding groove 501 is arranged on the outer periphery of the mounting sleeve 500 in the axial direction, and the clamping mechanism further comprises a limiting piece, which passes through the mounting seat 300, the sliding groove 501 and the central shaft sleeve 400 in the radial direction.

[0050] Specifically, the limiting piece can be a pin, which passes through the mounting seat 300, the mounting sleeve 500 and the central shaft sleeve 400, so that the central shaft sleeve 400 and the mounting seat 300 are fixedly connected, and the sliding groove 501 is arranged on the outer periphery of the mounting sleeve 500 in the axial direction, i.e. the extension direction of the sliding groove 501 is the moving direction of the mounting sleeve 500, when the driving structure 200 drives the mounting sleeve 500 to move, the mounting seat 300 and the central shaft sleeve 400 are fixed and do not move, the mounting sleeve 500 moves in the axial direction, and the sliding groove 501 moves along the limiting piece, which not only provides accurate guidance for the movement of the mounting sleeve 500, ensuring that it can only move linearly in the axial direction and avoiding unnecessary rotation and deviation, and because of the arrangement of the limiting piece, the mounting sleeve 500 cannot rotate freely around the axis, which helps to keep the direction of the clamping force consistent, and the length of the sliding groove 501 can also be adjusted to adapt to different stroke requirements and products of different lengths.

[0051] Please refer to the drawings, in the embodiment of the utility model, the clamping mechanism further comprises a positioning shaft (not shown), which is arranged in the central shaft sleeve 400 to limit the height of the product inserted into the central shaft sleeve 400.

[0052] Specifically, the positioning shaft is fixedly installed in the central shaft sleeve 400 by screws, and the arrangement of the positioning shaft ensures that the product is placed at the same height position each time, improving the consistency and quality of processing, and also effectively preventing the product from being inserted too deeply into the central shaft sleeve 400, avoiding damage or jamming caused by excessive insertion, and the positioning shaft also prevents the product from moving accidentally during clamping, reducing the risk of being unable to clamp due to product movement; in addition, if the length of the shaft of the product such as the rotor 10 is different, different lengths of the positioning shaft can be replaced to adapt to different rotors 10.

[0053] Please refer to Figure 1In the embodiment of the utility model, the mouth mechanism still includes floating joint 700 and connecting plate 600, mounting sleeve 500 extends and is connected with connecting plate 600 with mounting base 300, and floating joint 700 is used for connecting connecting plate 600 and driving structure 200.

[0054] Specifically, by setting floating joint 700 to connect driving structure 200 and connecting plate 600, a certain elasticity is provided between driving structure 200 and connecting plate 600, which can play a certain buffering effect, reduce impact and vibration, and also allow connecting plate 600 to have a certain displacement in the radial and axial directions during the lifting of connecting plate 600 driven by driving structure 200, improve the flexibility of lifting, and avoid damage to driving structure 200 caused by hard movement.

[0055] Please refer to Figure 1 In the embodiment of the utility model, the mouth mechanism still includes synchronous wheel 800, synchronous wheel 800 is sleeved on the outer periphery of mounting base 300 and is fixedly connected with mounting base 300, and synchronous wheel 800 is connected with the motor through a belt to drive the product to rotate.

[0056] Specifically, the motor (not shown) transmits power to synchronous wheel 800 through a belt (not shown), and synchronous wheel 800 drives mounting base 300, mounting sleeve 500 and center shaft sleeve 400 inside mounting base 300 to rotate together, and drives the product to rotate, such as rotor 10 in the embodiment. When winding, an iron core needs to be wound first, and after winding is completed, rotor 10 rotates, and another iron core is wound through the winding mechanism to wind all the iron cores. In the embodiment, the belt and synchronous wheel 800 cooperate to have better damping effect, can reduce vibration caused by mechanical impact, and improve the stability and service life of the system.

[0057] Please refer to Figure 1 In the embodiment of the utility model, the mouth mechanism still includes first bearing (not shown), and mounting base 300 is rotatably connected with support base 100 through the first bearing.

[0058] Specifically, support base 100 is used for supporting mounting base 300 and driving structure 200, and the first bearing is arranged on support base 100, and mounting base 300 is installed on the first bearing, so that mounting base 300 can rotate relative to support base 100 when the motor drives mounting base 300 to rotate, and mounting base 300 can drive rotor 10 to rotate and wind.

[0059] Please refer to the drawings, in the embodiment of the utility model, the mouth mechanism still includes second bearing (not shown), and mounting sleeve 500 is rotatably connected with connecting plate 600 through the second bearing.

[0060] Specifically, like the first bearing, the second bearing can be arranged such that the mounting sleeve 500 rotates relative to the connecting plate 600, and in the case that the connecting plate 600 is fixed in the circumferential direction, the mounting sleeve 500 rotates with the mounting base 300 to drive the inner central shaft sleeve 400 and the rotor 10 to rotate, thereby achieving winding.

[0061] The utility model discloses still propose a kind of clamping devices, the clamping device includes mouthful mechanism, the specific structure of this mouthful mechanism refers to above-mentioned embodiment, since the clamping device has adopted all technical solutions of above-mentioned all embodiments, therefore at least have all beneficial effects brought by the technical scheme of above-mentioned embodiment, here no longer one by one elaboration.

[0062] The above-mentioned is only the exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and all equivalent structural transformations made by using the utility model specification and the contents of drawings, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A sucking mechanism, characterized in that, include: Support base; The driving structure is located on the support base; A mounting base is provided on the support base, and the mounting base has a communicating cavity; A central bushing, disposed within the communicating cavity, is fixedly connected to the mounting base. One end of the central bushing has an adjustable-diameter opening for inserting a product; the outer diameter of the opening is larger than the outer diameter of the central bushing. The mounting sleeve is slidably disposed within the communicating cavity and sleeved on the outer periphery of the central shaft sleeve. The driving structure is drivenly connected to the mounting sleeve to drive the mounting sleeve to move axially along the communicating cavity. The inner diameter of the mounting sleeve at the end near the opening is larger than the inner diameter of the mounting sleeve at the end away from the opening, so that when the mounting sleeve moves toward the opening, the diameter of the opening is reduced to clamp the product.

2. The sucking mechanism as described in claim 1, characterized in that, The central bushing includes a bushing body and a plurality of protrusions, which are spaced apart along the periphery of the bushing body, and the plurality of protrusions together form the opening.

3. The sucking mechanism as described in claim 2, characterized in that, The protrusion is radially outward from the bushing body toward the opening.

4. The sucking mechanism as described in any one of claims 1 to 3, characterized in that, A sliding groove is provided axially on the outer periphery of the mounting sleeve, and the nozzle mechanism further includes a limiting member that passes radially through the mounting base, the sliding groove, and the central bushing.

5. The sucking mechanism as described in claim 4, characterized in that, The sucking mechanism also includes a positioning shaft, which is located inside the central bushing to limit the height of the product extending into the central bushing.

6. The sucking mechanism as described in claim 4, characterized in that, The nozzle mechanism also includes a floating joint and a connecting plate. The mounting sleeve extends out of the mounting base and connects to the connecting plate. The floating joint is used to connect the connecting plate to the drive structure.

7. The sucking mechanism as described in claim 6, characterized in that, The nozzle mechanism also includes a timing pulley, which is sleeved on the outer periphery of the mounting base and fixedly connected to the mounting base. The timing pulley is connected to a motor via a belt to drive the product to rotate.

8. The sucking mechanism as described in claim 7, characterized in that, The sucking mechanism also includes a first bearing, and the mounting base is rotatably connected to the support base through the first bearing.

9. The sucking mechanism as described in claim 7, characterized in that, The nozzle mechanism also includes a second bearing, and the mounting sleeve is rotatably connected to the connecting plate through the second bearing.

10. A clamping device, characterized in that, Includes the sucking mechanism as described in any one of claims 1 to 9.

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