CN208800695U - A kind of magnetic clamp - Google Patents

Abstract

The utility model provides a kind of magnetic clamp, comprising: chuck body (1), the chuck body (1) has the containing groove (2) that can accommodate iron core, the shape of the containing groove (2) and the outer shape of the iron core match, and further include the bore (3) being arranged on the containing groove (2), magnetic texure can be set in the bore (3), to carry out magnetic absorption to the iron core.It can be limited by structure by the utility model and magnetic absorption two parts collective effect is to carry out positioning and clamping to iron core, improve positioning accuracy and accuracy, realize the effect of quick-clamping iron core, accurate correcting positioning and quick-clamping effectively can be carried out to feeding stator core, reduce clamping labor intensity, and makes robot automation's feeding more convenient and easy, realize automated production.

Description

A kind of magnetic clamp

Technical field

The utility model belongs to technical field of motors, and in particular to a kind of magnetic clamp.

Background technique

Existing motor winding machine majority uses machinery positioning iron core, and locating slot or fixed will be determined in stator core punching Site needs manually to find locating slot (anchor point), according to the position, iron core is located on coiling board, it is difficult to realize certainly It is dynamic to be turned into industry, due to manually estimating searching locating slot, cause production process positioning difficult, large labor intensity, being positioned manually can not prevent It is slow-witted, it often can not disposably be aligned, cause the collision of board positioning tooth, the degree of wear big, machinery positioning burn failure is serious.

Accurate or accurate positioning cannot achieve to stator core since stator in the prior art can exist in coiling, and And clamping iron core speed is low, assembly efficiency is low, and robot automation's feeding is inconvenient, cannot achieve the skills such as automated production Art problem, therefore the utility model researching and designing goes out a kind of magnetic clamp.

Utility model content

Therefore, the technical problem to be solved by the present invention is to overcome stator core in the prior art meeting in coiling In the presence of to stator core cannot accurate or pinpoint defect, to provide a kind of magnetic clamp.

The utility model provides a kind of magnetic clamp comprising:

Chuck body, the chuck body have and can accommodate the containing groove of iron core, the shape of the containing groove with The outer shape of the iron core matches, and further includes the bore being arranged on the containing groove, can set in the bore Set magnetic texure, to carry out magnetic absorption to the iron core.

Preferably,

The containing groove includes the accommodating face that can be fitted with the iron core.

Preferably,

The chuck body include opposite first while and when second, first side is towards away from the inside of the chuck body Direction protrude to form the first fin, second side also protrudes that form second convex towards the direction away from the inside of the chuck body The containing groove is collectively formed in rib, first fin, second fin and the accommodating face.

Preferably,

First fin is arranged in parallel with second fin, and the accommodating face is concave structure.

Preferably,

The bore is arranged on the accommodating face and extends towards the direction inside the chuck body.

Preferably,

The chuck body includes the back side opposite with the accommodating face, and the bore is to be through to from the accommodating face The through-hole at the back side.

Preferably,

It is also provided with fixation hole towards the chuck body internal stretch on the accommodating face, it can in the fixation hole Receiving is provided with bolt, screw or screw rod, the chuck body can be fixed to outside by the bolt, screw or screw rod In structure.

Preferably,

The chuck body includes the back side opposite with the accommodating face, and the fixation hole is also to run through from the accommodating face To the through-hole at the back side.

Preferably,

The chuck body has side, and limit hole is additionally provided on the side, the limit hole and the bore It is connected, screw, bolt or screw rod can be worn in the limit hole, the screw, bolt or screw rod is enabled to penetrate institute It states in bore and limit adjusting is carried out to the magnetic texure.

Preferably,

The side includes opposite first side and second side, and the bore is two including the first bore and the Two bore, first bore are arranged close to the first side, and second bore is arranged close to the second side.

Preferably,

The limit hole is two, and the first limit hole in the first side is respectively arranged in and is arranged described The second limit hole in second side, first limit hole connect towards the chuck body internal stretch with first bore Logical, second limit hole is connected to towards the chuck body internal stretch with second bore.

Preferably,

The magnetic clamp further includes the first limit plate and/or the second limit plate, and first limit plate, which can be bonded, to be set It sets in the position of the first side of the chuck body；Second limit plate, which can be bonded, to be arranged in the chuck body The second side position.

Preferably,

The magnetic texure is hard magnetic body, and the iron core is the stator core to coiling.

A kind of magnetic holder provided by the utility model has the following beneficial effects:

1. the utility model can accommodate the chuck body of the containing groove of iron core and the shape of containing groove by being arranged Match with the core configuration shape, the effect of accommodating effect and correct guidance installation can be carried out to iron core, and add again On the bore that is arranged on containing groove and the magnetic texure inside bore, effectively stator core can be carried out Magnetic absorption effect further can realize iron core automatic guiding accurate positioning function to iron core, pass through structure limit and magnetic Property adsorb two parts collective effect to carry out positioning and clamping to iron core, improve positioning accuracy and accuracy, realize quick-clamping iron The effect of core effectively can carry out accurate correcting positioning and quick-clamping to feeding stator core, reduce clamping labor intensity, And makes robot automation's feeding more convenient and easy, realize automated production.

2. the utility model by also opening up fixation hole on accommodating face, can wear bolt, screw or screw rod, realize logical Cross the effect that the chuck body can be fixed on coil winding machine by the bolt, screw or screw rod；The utility model by The structure of limit hole is also opened up on side and limit hole is connected with bore, can wear bolt, screw or screw rod, with The function and effect that magnetic texure in bore is limited and positioned, with control between magnetic texure and accommodating face away from From, with have the function that control magnetive attraction size；The utility model also passes through setting limit plate can be further to fixture The side of ontology is limited, and further plays the role of limiting iron core and installation site is accurately oriented to, so that iron core Position location further improves the effect precisely or accurately positioned to iron core by further automatic guiding, improves assembly effect Rate.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the magnetic clamp of the utility model；

Fig. 2 is the overlooking structure diagram of the magnetic clamp of Fig. 1；

Fig. 3 is the internal sectional structure figure in Fig. 1 along the direction A-A.

Appended drawing reference indicates in figure are as follows:

1, chuck body；11, the first side；12, the second side；13, the back side；2, containing groove；21, face is accommodated；22, first is convex Rib；23, the second fin；3, bore；31, the first bore；32, the second bore；4, limit hole；41, the first limit hole；42, second Limit hole；5, side；51, first side；52, second side；6, fixation hole；7, limit plate connecting hole.

Specific embodiment

As shown in Figure 1-3, the utility model provides a kind of magnetic clamp (preferably a kind of wound stator magnetic clamp), Include:

Chuck body 1, the chuck body 1 have the containing groove 2 that can accommodate iron core (preferably stator core), institute The outer shape of the shape and the iron core of stating containing groove 2 matches, and further includes the magnetic being arranged on the containing groove 2 Hole 3 magnetic texure can be arranged in the bore 3, to carry out magnetic absorption to the iron core.

The utility model by setting can accommodate iron core containing groove chuck body and the shape of containing groove with The core configuration shape matches, and the effect of accommodating effect and correct guidance installation can be carried out to iron core, and adds The bore being arranged on containing groove and the magnetic texure inside bore effectively can carry out magnetic to stator core Property suction-operated, iron core automatic guiding accurate positioning function further can be realized to iron core, pass through structure limit and magnetic Two parts collective effect is adsorbed to carry out positioning and clamping to iron core, improves positioning accuracy and accuracy, realizes quick-clamping iron core Effect, accurate correcting positioning and quick-clamping effectively can be carried out to feeding stator core, reduce clamping labor intensity, and And make robot automation's feeding more convenient and easy, realize automated production.

Preferably,

The containing groove 2 includes the accommodating face 21 that can be fitted with the iron core.This is that the accommodating of the utility model is recessed The preferred constructive form of slot, i.e. accommodating face can be preferably stator core with iron core and fit, iron core can be formed positioning and The effect of limit improves positioning accuracy and accuracy.

Preferably,

The chuck body 1 is including opposite first at 11 and second 12, and first side 11 is towards away from the fixture Direction inside ontology 1 protrudes to form the first fin 22, and second side 12 is also towards the direction away from the inside of the chuck body 1 Protrusion forms the second fin 23, and the appearance is collectively formed in first fin 22, second fin 23 and the accommodating face 21 Set groove 2.

This is the further preferred constructive form of the containing groove of the utility model, by the first side of chuck body The first fin and the first side that protrude above extension protrude above the second fin of extension, and it is recessed that accommodating can be formed together with accommodating face Slot effectively can play the role of limit and positioning to iron core by the first fin and the second fin, effectively further mention The high positioning accuracy to iron core, improves clamping efficiency.

Preferably,

First fin 22 is arranged in parallel with second fin 23, and the accommodating face 21 is concave structure.This is First and second fins of the utility model be preferably provided with form and accommodate face preferred constructive form, can effectively with Matching is formed between iron core and is accommodated, and positioning accuracy is improved.

The implementation process of stator magnetic clamp: according to the outer dimension of stator core, corresponding mold cavity is designed, the mill Tool type chamber must be half-open box-like, it is ensured that iron core can directly take from upper charge level, then by principle of simulation, simulation fixture with Under iron core mated condition, mold center position, heart symmetric position, issues bore in a mold.

Preferably,

The bore 3 is arranged on the accommodating face 21 and extends towards the direction inside the chuck body 1, the bore The magnetic texure can be accommodated.This is the preferred constructive form of the bore of the utility model, from accommodating towards in chuck body Portion direction is extended, and the space for accommodating magnetic texure is capable of forming, so that the magnetic texure in bore is accommodated by penetrating through out The bore in face generates magneticaction to iron core, to generate magnetic adsorptive power, improves the Set and Positioning precision to iron core.

Preferably,

The chuck body 1 includes the back side 13 opposite with the accommodating face 21, and the bore 3 is from the accommodating face 21 are through to the through-hole at the back side 13.Bore opens up into through-hole, convenient for adjusting magnet in bore between distance accommodating face Stroke to adjust its size for generating magnetic force, and is easy for installation and removal.

Preferably,

Fixation hole 6, the fixation hole 6 are also provided with towards 1 internal stretch of chuck body on the accommodating face 21 In can accommodate and be provided with bolt, screw or screw rod, the chuck body 1 can be consolidated by the bolt, screw or screw rod Determine onto external structure.Magnetic clamp can be effectively fixed to such as coil winding machine by the utility model by opening up fixation hole In external structure, the fixed function to magnetic clamp is realized.

Preferably,

When the chuck body 1 includes with the 21 opposite back side 13 of accommodating face, the fixation hole 6 is also from described Accommodating face 21 is through to the through-hole at the back side 13.This is the preferred constructive form of the fixation hole of the utility model, by by its It is set as perforative through-hole, bolt, screw or screw rod can be facilitated to be inserted and the chuck body 1 is fixed to external knot On structure.

Preferably,

The chuck body 1 has side 5, and limit hole 4 is additionally provided on the side 5, the limit hole 4 with it is described Bore 3 is connected, and can wear screw, bolt or screw rod in the limit hole 4, enables the screw, bolt or screw rod It penetrates in the bore 3 and limit adjusting is carried out to the magnetic texure.It is preferred that the axis of the axis of limit hole and the bore Intersection.The utility model can be worn by also opening up the structure of limit hole on side and limit hole and bore being connected If bolt, screw or screw rod, with the function and effect that the magnetic texure in bore is limited and positioned, to control magnetic junction The distance between structure and accommodating face, the size to have the function that control magnetive attraction.

Threaded hole is beaten in the longitudinal direction of bore, which is referred to as location hole or limit hole, selects magnet can be in bore It is neodymium iron boron, ferrite, it is necessary to be hard magnetic body, soft magnetic bodies can not be implemented to position, and the selection of magnet is more crucial, big according to iron core Small and coiling revolving speed size, this is realized concerning stator positioning correcting function, and when fine tuning reuses jackscrew screw and fixes magnet, The limit is mainly to limit position of the magnet in mold cavity, distance and the iron core and fixture of magnet and iron core be attracted dynamics at It being positively correlated, this may be implemented to finely tune, the main labor intensity for adapting to personnel's loading and unloading, while consider that stator winding finishes, After the removal of coiling mandril, the suction of magnet guarantees that iron core is not fallen out, but limiting cannot be (i.e. super beyond bore by magnet end face Face is accommodated out), otherwise iron core accurately can not carry out correcting according to containing groove.

Preferably,

The side 5 includes opposite first side 51 and second side 52, and the bore 3 is two including the first magnetic Hole 31 and the second bore 32, first bore 31 are arranged close to the first side 51, and second bore 32 is close to institute It states second side 52 and is arranged.This is the side of the utility model and the preferred constructive form of bore and arrangement form, that is, is being leaned on A bore is respectively arranged in the position of nearly two reverse sides, can position to the two sides magnetic-adsorption is carried out to iron core Effect improves magneticaction, improves the guiding role to iron core, improves positioning accuracy.

Preferably,

The limit hole 4 is two, and the first limit hole 41 in the first side 51 and setting is respectively arranged in The second limit hole 42 in the second side 52, first limit hole 41 towards 1 internal stretch of chuck body and with First bore 31 is connected to, second limit hole 42 towards 1 internal stretch of chuck body and with second bore 32 Connection.This is the preferred structure and setting form of the limit hole of the utility model, that is, first on the first side is respectively set The second limit hole of limit hole and setting on the second side can respectively connect the first bore close to first side Lead to and pass through position limiting structure (including bolt, screw rod, screw etc.) and the magnet in the first bore is limited and positioned, to leaning on Second bore of nearly second side is connected to and passes through position limiting structure (including bolt, screw rod, screw etc.) in the second bore Magnet limited and positioned, improve limit effect, realize the effect of intelligent control, improve clamping efficiency.

It reuses jackscrew screw when fine tuning to fix magnet, which is mainly the position for limiting magnet in mold cavity It sets, the distance of magnet and iron core is attracted dynamics with fixture with iron core and is positively correlated, this may be implemented to finely tune, and mainly adapt to personnel The labor intensity of loading and unloading, while to consider that stator winding finishes, after the removal of coiling mandril, the suction of magnet guarantees that iron core will not It falls.

Preferably,

The magnetic clamp (preferably wound stator magnetic clamp) further includes the first limit plate (not shown) and/or the second limit Position plate (not shown), first limit plate can be bonded the position that the first side 51 of the chuck body 1 is arranged in； Second limit plate can be bonded the position that the second side 52 of the chuck body 1 is arranged in.The utility model is also Further the side of chuck body can be limited by the way that limit plate is arranged, further play and iron core is limited and is pacified The effect that holding position is accurately oriented to, so that the position location of iron core is further improved by further automatic guiding to iron core The effect precisely or accurately positioned improves assembly efficiency.For further accurate correcting stator core, when implementation, can be in mould type Chamber top and bottom increase limit plate up and down, and limiting cover board up and down should usually match with insulation frame for stator.It finally will be a whole set of magnetic Fixture and coiling board are fixed.

Preferably,

The magnetic texure is hard magnetic body, and the iron core is the stator core to coiling.It is preferred that can be neodymium iron boron, iron oxygen Body.Magnet is selected to can be neodymium iron boron, ferrite in bore, it is necessary to be hard magnetic body, soft magnetic bodies can not be implemented to position, the choosing of magnet With more key, according to iron core size and coiling revolving speed size, this is realized concerning stator positioning correcting function.

When for stator magnetic clamp feeding, iron core is tentatively aligned with die cavity conjunction surface, iron core is attracted by magnet, Iron core can be along containing groove and upper and lower limit plate, and automatic capturing, after coiling, mandril is withdrawn from, and wound stator can directly be taken It takes.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.The above is only the preferred embodiment of the utility model, it is noted that for the art For those of ordinary skill, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, These improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (13)

1. a kind of magnetic clamp, it is characterised in that: include:

Chuck body (1), the chuck body (1) have the containing groove (2) that can accommodate iron core, the containing groove (2) Shape and the outer shape of the iron core match, and further include the bore (3) being arranged on the containing groove (2), institute Magnetic texure can be arranged, to carry out magnetic absorption to the iron core by stating in bore (3).

2. magnetic clamp according to claim 1, it is characterised in that:

The containing groove (2) includes the accommodating face (21) that can be fitted with the iron core.

3. magnetic clamp according to claim 2, it is characterised in that:

The chuck body (1) includes opposite first at (11) and second (12), and first side (11) is towards away from described The internal direction of chuck body (1) protrudes to be formed the first fin (22), and second side (12) is also towards away from the chuck body (1) internal direction protrudes to be formed the second fin (23), first fin (22), second fin (23) and the accommodating The containing groove (2) are collectively formed in face (21).

4. magnetic clamp according to claim 3, it is characterised in that:

First fin (22) is arranged in parallel with second fin (23), and the accommodating face (21) are concave structure.

5. the magnetic clamp according to any one of claim 2-4, it is characterised in that:

The bore (3) is arranged on the accommodating face (21) and extends towards the internal direction of the chuck body (1).

6. magnetic clamp according to claim 5, it is characterised in that:

The chuck body (1) includes the back side opposite with the accommodating face (21) (13), and the bore (3) is from the appearance Set the through-hole that face (21) is through to the back side (13).

7. the magnetic clamp according to any one of claim 2-4, it is characterised in that:

Fixation hole (6), the fixation hole are also provided with towards the chuck body (1) internal stretch on the accommodating face (21) (6) it can be accommodated in and be provided with bolt, screw or screw rod, it can be by the chuck body by the bolt, screw or screw rod (1) it is fixed in external structure.

8. magnetic clamp according to claim 7, it is characterised in that:

When the chuck body (1) includes the back side opposite with the accommodating face (21) (13), the fixation hole (6) also for from The accommodating face (21) is through to the through-hole of the back side (13).

9. magnetic clamp described in any one of -4 according to claim 1, it is characterised in that:

The chuck body (1) has side (5), and limit hole (4) are additionally provided on the side (5), the limit hole (4) It is connected with the bore (3), screw, bolt or screw rod can be worn in the limit hole (4), so that the screw, bolt Or screw rod can penetrate in the bore (3) and carry out limit adjusting to the magnetic texure.

10. magnetic clamp according to claim 9, it is characterised in that:

The side (5) includes opposite first side (51) and second side (52), and the bore (3) is two including the One bore (31) and the second bore (32), first bore (31) are arranged, described second close to the first side (51) Bore (32) is arranged close to the second side (52).

11. magnetic clamp according to claim 10, it is characterised in that:

The limit hole (4) is two, and the first limit hole (41) on the first side (51) is respectively arranged and sets The second limit hole (42) on the second side (52) is set, first limit hole (41) is interior towards the chuck body (1) Portion extends and is connected to first bore (31), second limit hole (42) towards the chuck body (1) internal stretch and It is connected to second bore (32).

12. magnetic clamp described in 0 or 11 according to claim 1, it is characterised in that:

The magnetic clamp further includes the first limit plate and/or the second limit plate, and first limit plate can be bonded setting and exist The position of the first side (51) of the chuck body (1)；Second limit plate, which can be bonded, to be arranged in the fixture The position of the second side (52) of ontology (1).

13. magnetic clamp described in any one of -4 according to claim 1, it is characterised in that:

The magnetic texure is hard magnetic body, and the iron core is the stator core to coiling.