CN208391440U

CN208391440U - One kind tearing nut body open

Info

Publication number: CN208391440U
Application number: CN201820848300.9U
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-31
Filing date: 2018-05-31
Publication date: 2019-01-18
Anticipated expiration: 2028-05-31

Abstract

The utility model relates to one kind to tear nut body open, including driving mechanism, demoulding axis and nut set compatible with the nut on fixed charge method end plate, the rear end of the demoulding axis and the output shaft fixing assembling of driving mechanism, and demoulding axis circumferentially rotates under the action of the driving mechanism, the front end of the demoulding axis is connected with the rear end that the nut covers and nut set is driven to circumferentially rotate, it is characterized by: the rotary position-limit mechanism that the restricted the two of matching setting produces relative rotation between the demoulding axis and nut set, and the regulating mechanism for making nut set alignment nut is equipped between the demoulding axis and nut set, make nut set can opposite demoulding axis radial rotating.The utility model is by making the opposite demoulding axis radial rotating of nut set energy, to make nut set alignment nut, when preventing disassembly nut, nut is covered to be adapted to bad and interfere between nut, leads to components damage.

Description

One kind tearing nut body open

Technical field

The utility model belongs to prefabricated components production equipment field in Building technology, and in particular to and one kind tears nut body open, This tears the nut on fixed charge method end plate of the nut body for removing tubular pole open.

Background technique

Pipe die is the mold for making tubular pole, and during making tubular pole, one end of pipe die can be equipped with one piece and be fixed on The fixed charge method end plate of pipe pile end portion, fixed charge method end plate is connected by several nuts with the steel reinforcement cage main reinforcement in tubular pole, in general, nut edge The circumferential direction of fixed charge method end plate is uniformly arranged.

During demoulding, the nut on fixed charge method end plate need to be removed, such as Patent No. ZL201610113470.8 (publication number One kind disclosed in patent of invention for CN105666685A) " pipe die tears fixed charge method end plate primary nut machine open ", wherein demoulding component is torn open Nut assembly, end have the nut set to match with the nut on fixed charge method end plate.

The primary nut machine includes gear mechanism, and gear mechanism includes the central gear and and central gear in gear-box The driver of drive connection, demoulding component include the planetary gear engaged with central gear and are detachably fixed company with planetary gear The spline tooth shaft (i.e. demoulding axis) connect, spline tooth shaft and gear-box are rotatablely connected, and gear-box is extended in the end of spline tooth shaft Outer and attaching nut set, nut set and the circumferentially fixed connection of spline tooth shaft.When nut set entangles the nut on fixed charge method end plate, lead to The dismounting of nut may be implemented in the rotation for crossing demoulding component.

The defect of the demoulding component is: 1, the power transmitting of demoulding component is to be transferred to row through driver, central gear Star gear, planetary gear drive spline tooth shaft to circumferentially rotate, and one is more to be related to component, and power is by repeatedly transmitting, energy damage It loses big；Two come that processing to gear, installation, the precision of adjustment are high, and otherwise work noise and vibration are big, and are prone to wear the flank of tooth； 2, nut set is fixedly connected with spline tooth shaft, in the work of primary nut machine, if nut set is not aligned completely with nut, can make spiral shell Interference is generated between mother set and nut, causes components damage.

Utility model content

For the current state of the art, the technical problem to be solved by the utility model is to provide one kind convenient for nut set and Nut alignment and nut easy to disassemble and avoid nut damage tear nut body open.

Technical solution adopted by the utility model to solve the above technical problems is as follows: one kind tears nut body, including driving open The output shaft of mechanism, demoulding axis and nut set compatible with the nut on fixed charge method end plate, the demoulding axis and driving mechanism is solid Fixed assembly, the front end of the demoulding axis are connected with the rear end that the nut covers and nut set are driven to circumferentially rotate, and feature exists In: the rotary position-limit mechanism that the restricted the two of matching setting produces relative rotation between the demoulding axis and nut set, and it is described Being equipped between demoulding axis and nut set makes nut cover the regulating mechanism for being directed at nut, so that nut set can opposite demoulding axis radial direction turn It is dynamic.

Precisely to align to remove nut, the rear end that front end and the nut of the demoulding axis cover is mating, and described tears open Mold shaft and the contact surface of nut set the two use partial sphere fit structure, which is the adjusting machine Structure, so that the opposite demoulding axis radial rotating of nut set energy, so that nut set be made to be aligned with nut.

For make nut cover it is stable circumferentially rotated with demoulding axis, to remove nut, the rotary position-limit mechanism includes multiple Positive stop strip and multiple limiting slots that merging is corresponded to for positive stop strip, the positive stop strip are provided at circumferentially spaced along demoulding axis, the limit Position slot is provided at circumferentially spaced along what nut covered；Or the limiting slot being provided at circumferentially spaced along demoulding axis, the positive stop strip edge Nut set is provided at circumferentially spaced.The rotary position-limit mechanism structure is simple, production easy to process, and functional reliability is high.

Preferably, the outer side surface of positive stop strip face spherical in shape, corresponding, the limiting slot is matched with outer side surface Top wall surface face spherical in shape, the positive stop strip and limiting slot form the partial sphere fit structure.The positive stop strip and limit Slot multi-purpose content makes this tear nut body open compact-sized；Positive stop strip and limiting slot cooperation can not only prevent demoulding axis and nut set Between generate and circumferentially rotate, moreover it is possible to so that nut is covered opposite demoulding axis and radially turn an angle, so that nut set alignment nut.

When to prevent nut to be inserted into nut set, nut set is mobile and generates hardness impact with demoulding axis, and the nut covers energy Opposite demoulding axis moves axially, and nut set becomes with what opposite demoulding axial advancement was moved always under the action of the elastic member Gesture, with cushion impact forces.

Specifically, the elastic component is the spring being sheathed on demoulding axis, the first end of the spring is resisted against nut set Rear end, second end are fixedly installed with respect to demoulding axis, are such as securable on demoulding axis, or are resisted against opposite demoulding axis axial restraint On other component.

For protection demoulding axis and nut set, also to avoid staff from touching high-speed rotating demoulding axis or nut set and Injury, it further includes the accommodating member for accommodating demoulding axis and nut set that this, which tears nut body open, and accommodating member is set with respect to the fixation of demoulding axis It sets, accommodating member is extended in the front end of the nut set, and the contact surface of the nut set and accommodating member inner wall is matched using partial sphere Structure is closed, guarantees that nut set can radial rotating.

Accommodating member can be fixedly installed in the manner described above with respect to demoulding axis to circumferentially rotate with demoulding axis, certainly can also be as follows Mode: such as by accommodating member fixing assembling in driving mechanism, as described demoulding axis and nut set can opposite accommodating member circumferential directions turn Dynamic, the contact surface of the nut set and accommodating member inner wall uses partial sphere fit structure, guarantees that nut set can radial rotating.

When circumferentially rotating to prevent demoulding axis and nut from covering opposite accommodating member, the rear portion of component wear, the demoulding axis is logical It crosses first bearing and accommodating member is rotatablely connected, the rear portion of the nut set is rotatablely connected by second bearing and accommodating member, and institute The outer ring inner wall for stating second bearing is spherical, and the roller formation partial sphere cooperation of the outer ring inner wall and second bearing is tied Structure guarantees that the opposite demoulding axis of nut set energy radially turns an angle.

To make power transmitting directly, the hypodynamic phenomenon of the driving for preventing demoulding axis to be subject to, the driving mechanism is motor, The output shaft of the motor is inserted in the jack of demoulding axis.

Circumferential limit is carried out for the output shaft to demoulding axis and motor, the periphery wall profile of the output shaft of the motor and is inserted The internal perisporium profile in hole is polygon so that the two circumferentially limits；Alternatively, the periphery wall of the output shaft and the inner circumferential of jack Correspondence offers keyway on wall, is connected by key between two keyways so that output shaft and demoulding axis circumferentially limit.

Compared with prior art, the advantages of the utility model: 1, the utility model makes nut set by the way that regulating mechanism is arranged Can opposite demoulding axis radial rotating, because nut set be aligned with nut carry out disassembly nut during, nut is covered to be had with nut It may not be aligned completely, there are a small amount of position deviations, can be covered by nut relatively radially turn between demoulding axis at this time Dynamic certain angle achievees the purpose that adjusting, both avoids generating to do something in disregard of obstacles relating to and damaging；2, by making demoulding axis and nut cover two The contact surface of person uses partial sphere fit structure, i.e. the contact surface of demoulding axis (or nut set) and other side is spherical surface or arc Face makes nut set energy radial rotating certain angle to be aligned with nut, and the partial sphere matching structure design is rationally ingenious, and straight It connects and takes shape in demoulding axis or nut is put on, it is simple and compact for structure；3, the demoulding axis of the utility model directly transmits power by motor, Centre is without other transition transmission parts, and directly, it is few to be related to component for power transmitting, at low cost, and guarantees demoulding axis by enough Driving force is removed nut stably and reliably；There is no the intermediate intermediate members such as gear, and just there is no " to gear naturally Processing, installation, the precision of adjustment are high, and otherwise work noise and vibration are big, and are prone to wear the flank of tooth " the problems such as.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment 1；

Fig. 2 is the cross-sectional view of Fig. 1；

Fig. 3 is the decomposition diagram of Fig. 1；

Fig. 4 is the structural schematic diagram of the demoulding axis of Fig. 3；

The structural schematic diagram that the nut that Fig. 5 is Fig. 3 covers；

Fig. 6 is the structural schematic diagram of the utility model embodiment 2；

Fig. 7 is the cross-sectional view of Fig. 6；

Fig. 8 is the decomposition diagram of Fig. 6；

Fig. 9 is the structural schematic diagram of the demoulding axis of Fig. 8.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

Embodiment 1

As shown in Fig. 1~5, this preferred embodiment tear open nut body include driving mechanism 1, demoulding axis 2, nut set 3 with And accommodating member 4, nut set 3 are adapted with the nut on fixed charge method end plate.Demoulding axis 2 and nut set 3 are placed in accommodating member 4, are accommodated Part 4 is fixedly installed with respect to demoulding axis 2,11 fixing assembling of output shaft of demoulding axis 2 and driving mechanism 1, the front end of demoulding axis 2 and spiral shell The rear end of mother set 3 is connected, demoulding axis 2, nut set 3 and 4 three of accommodating member synchronize circumferentially rotate.The front end of nut set 3 extends Accommodating member 4 is out to entangle nut, and nut set 3 and the contact surface of 4 inner wall of accommodating member use partial sphere fit structure.

Accommodating member 4 can be used a variety of methods and 2 fixing assembling of demoulding axis, in the present embodiment, on accommodating member 4 and demoulding axis 2 Periphery wall on it is corresponding offer keyway, be connected by key (such as flat key) so that accommodating member 4 and demoulding between two keyways The circumferential limit of axis 2.

In the present embodiment, driving mechanism 1 is air motor, and certainly, driving mechanism 1 can also be motor or hydraulic motor Deng the output shaft 11 of air motor is inserted in the jack 22 of demoulding axis 2, so that the power of air motor is transferred directly to demoulding Axis 2.Correspondence offers keyway 111 on the periphery wall of output shaft 11 and the internal perisporium of jack 22, passes through between two keyways 111 Key (such as flat key) is connected so that output shaft 11 and the circumferential limit of demoulding axis 2；Stage portion 23 is formed on the inner wall of demoulding axis 2, The front end face of stage portion 23 is equipped with stop tab 24, and stop tab 24 and demoulding axis 2 are by connector 25 (such as nut) locking, with to tearing open The output shaft 11 of mold shaft 2 and motor carries out axial limiting.By aforementioned circumferential position-limit mechanism and axial limit structure, make demoulding axis 2 and motor 11 fixing assembling of output shaft, circumferentially rotated so that air motor be made to be able to drive demoulding axis 2.

The rotary position-limit mechanism that the restricted the two of matching setting produces relative rotation between demoulding axis 2 and nut set 3, nut The rear portion of set 3 is inserted in the front of demoulding axis 2 and (certainly can also be inserted in the front of demoulding axis 2 in the rear portion of nut set 3), The rotary position-limit mechanism include multiple circumferentially spaced positive stop strips 21 along demoulding axis 2 and along nut set 3 it is circumferentially-spaced Multiple limiting slots 31 that merging can be corresponded to for positive stop strip 21 of setting.Specifically, which is set to the outer of 2 front of demoulding axis On peripheral wall, which is set to nut and covers on the internal perisporium at 3 rear portions.By the mating of positive stop strip 21 and limiting slot 31, Make demoulding axis 2 and nut cover 3 synchronize circumferentially rotate.Certainly, positive stop strip 21 can also be set on nut set 3, limiting slot 31 is set to On demoulding axis 2.

In the present embodiment, the face spherical in shape of outer side surface 211 of positive stop strip 21, corresponding, the lateral wall with positive stop strip 21 The contact surface of the top wall surface 311 for the limiting slot 31 that face 211 matches also face spherical in shape, positive stop strip 21 and limiting slot 31 forms part Spherical engaging structure.The partial sphere fit structure is regulating mechanism, is directed at the mistake for carrying out disassembly nut with nut in nut set 3 Cheng Zhong, nut set 3 are possible to not be aligned completely with nut, and there are a small amount of position deviations, at this time can by nut set 3 with tear open Relatively radially turning an angle to achieve the purpose that adjusting between mold shaft 2 avoids the two generation from doing something in disregard of obstacles and relates to and damage.

From the foregoing, it will be observed that the fit structure of limited block 21 and limiting slot 31 has both sides effect, on the one hand, limited block 21 And the cooperation of limiting slot 31 can be prevented from generating between demoulding axis 2 and nut set 3 and be circumferentially rotated, and realize demoulding axis 2 to the week of nut set 3 To drive；On the other hand, moreover it is possible to make opposite 2 radial rotating of demoulding axis of nut set 3, be provided during 3 alignment nut of nut set Fine tuning, convenient for 3 alignment nut of nut set.

In order to preferably protect nut to cover 3, it is arranged with an elastic component 6 outside demoulding axis 2, which is spring, spring First end is resisted against nut and covers 3 rear ends, and second end is with respect to the fixed setting of demoulding axis 2, in the present embodiment, the second end of spring against On accommodating member 4.The trend that nut set 3 under the action of the spring there is opposite demoulding axis 2 to move forward always, accommodating member 4 The bore of front opening is less than the rear portion outer diameter of nut set 3, so that nut set 3 can be limited in accommodating member 4 in the axial direction In the range of without departing from demoulding axis 2.Nut set 3 be directed at nut carry out disassembly nut during, nut set 3 energy relatively Demoulding axis 2 moves axially, spring-compressed, thus at nut insertion nut set 3, rushing between buffering nut set 3 and demoulding axis 2 Power is hit, hard collision between nut set 3 and nut is prevented and destruction is generated to nut set 3 or nut.

Embodiment 2

As shown in Fig. 6~9, embodiment 2 the difference from embodiment 1 is that:

The accommodating member 4 and air motor fixing assembling of a the present embodiment, therefore demoulding axis 2 and nut set 3 opposite accommodating member 4 weeks To rotation.

Because spring can also be circumferentially rotated with demoulding axis 2 with respect to accommodating member 4, therefore being arranged on demoulding axis 2 can be 2 week with demoulding axis To the pedestal 61 of rotation, the first block holding part 26 is formed on the periphery wall of demoulding axis 2, which is limited in the first block holding part It cannot be moved axially along demoulding axis 2 between 26 and accommodating member 4, the second end of spring is placed in the pedestal 61, to avoid bullet Spring is contacted with accommodating member 4, generates interference with accommodating member 4 when spring being led to problems such as to rotate to generate abrasion, noise.

B is when preventing from demoulding axis 2 and nut from covering 3 opposite accommodating members 4 to circumferentially rotate, and the rear portion of component wear, demoulding axis 2 is logical It crosses first bearing 51 and accommodating member 4 is rotatablely connected, the rear portion of nut set 3 is rotatablely connected by second bearing 52 and accommodating member 4.And The inner wall 521 of the outer ring of second bearing 52 is spherical, the inner wall 521 of the outer ring and 522 shape of roller of second bearing 52 At partial sphere fit structure, to guarantee that nut set 3 can opposite 2 radial rotating of demoulding axis.

The second bearing 52 can be self-aligning ball bearing, self-aligning roller bearing or bearing with spherical outside surface.

Circumferential position limiting structure between c demoulding axis 2 and the output shaft 11 of motor is different: the periphery wall of the output shaft 11 of motor The internal perisporium profile of profile and jack 22 is polygon so that the two circumferentially limits.

Axial limit structure between d demoulding axis 2 and the output shaft 11 of motor is different: the rear portion of first bearing 51 is equipped with lock The tightly locking nut 42 on demoulding axis 2 forms the second block holding part 41 on the inner wall of accommodating member 4, and first bearing 51 is limited Between the second block holding part 41 and locking nut 42, to be limited to demoulding axis 2.

It will be recognized by those skilled in the art that the contact surface between the component being mentioned above is using partial sphere cooperation knot It can be spherical surface, arcwall face that structure, which is contact surface between finger, certainly preferably spherical surface.

Claims

1. one kind tears nut body open, including driving mechanism (1), demoulding axis (2) and spiral shell compatible with the nut on fixed charge method end plate Mother set (3), output shaft (11) fixing assembling of the demoulding axis (2) and driving mechanism (1), the front end of the demoulding axis (2) with The rear end of the nut set (3) is connected and nut set (3) is driven to circumferentially rotate, it is characterised in that: the demoulding axis (2) and spiral shell The rotary position-limit mechanism that the restricted the two of matching setting produces relative rotation between mother set (3), and the demoulding axis (2) and nut The regulating mechanism for making nut set (3) alignment nut is equipped between set (3), so that nut set (3) demoulding axis (2) can radially turn relatively It is dynamic.

2. according to claim 1 tear nut body open, it is characterised in that: the front end and nut set (3) of the demoulding axis (2) Rear end it is mating, and the contact surface of both the demoulding axis (2) and nut set (3) uses partial sphere fit structure, should Partial sphere matching mechanism is the regulating mechanism.

3. according to claim 2 tear nut body open, it is characterised in that: the rotary position-limit mechanism includes multiple positive stop strips (21) and for positive stop strip (21) the corresponding multiple limiting slots (31) being placed in, the positive stop strip (21) is between the circumferential direction of demoulding axis (2) Every setting, limiting slot (31) being provided at circumferentially spaced along nut set (3)；Or the limiting slot (31) is along demoulding axis (2) Be provided at circumferentially spaced, positive stop strip (21) being provided at circumferentially spaced along nut set (3).

4. according to claim 3 tear nut body open, it is characterised in that: the outer side surface (211) of the positive stop strip (21) Face spherical in shape, corresponding, top wall surface (311) face spherical in shape that the limiting slot (31) matches with outer side surface (211) are described Positive stop strip (21) and limiting slot (31) form the partial sphere fit structure.

5. according to claim 1 tear nut body open, it is characterised in that: the nut set (3) can opposite demoulding axis (2) axis To movement, and the nut set (3) has becoming for opposite demoulding axis (2) forward movement always under the action of an elastic component (6) Gesture.

6. according to claim 5 tear nut body open, it is characterised in that: the elastic component (6) is to be sheathed on demoulding axis (2) On spring, the first end of the spring is resisted against nut set (3) rear end, and second end is fixedly installed with respect to demoulding axis (2).

7. tearing nut body open described in claim according to claim 1~any one of 6, it is characterised in that: further include being used for The accommodating member (4) of demoulding axis (2) and nut set (3) is accommodated, the accommodating member (4) is fixedly installed with respect to demoulding axis (2), the spiral shell The front end of mother set (3) is extended accommodating member (4), and the contact surface of the nut set (3) and accommodating member (4) inner wall uses partial sphere Fit structure.

8. tearing nut body open described in claim according to claim 1~any one of 6, it is characterised in that: further include being used for The accommodating member (4) of demoulding axis (2) and nut set (3) is accommodated, accommodating member (4) are extended in the front end of the nut set (3), and described Demoulding axis (2) and nut set (3) accommodating member (4) can circumferentially rotate relatively, and the nut set (3) connects with accommodating member (4) inner wall Contacting surface uses partial sphere fit structure.

9. according to claim 8 tear nut body open, it is characterised in that: the rear portion of the demoulding axis (2) passes through first axle It holds (51) and accommodating member (4) to be rotatablely connected, the rear portion of the nut set (3) is rotated by second bearing (52) and accommodating member (4) Connection, and the outer ring inner wall (521) of the second bearing (52) is spherical, the outer ring inner wall (521) and second bearing (52) roller (522) forms partial sphere fit structure.

10. according to claim 1 tear nut body open, it is characterised in that: the driving mechanism (1) is motor, the horse The output shaft (11) reached is inserted in the jack (22) of demoulding axis (2), and the periphery wall profile of the output shaft (11) of the motor Internal perisporium profile with jack (22) is polygon so that the two circumferentially limits；Alternatively, the periphery wall of the output shaft (11) It offers keyway (111) with corresponding on the internal perisporium of jack (22), is connected by key between two keyways (111) so as to export Axis (11) and demoulding axis (2) circumferentially limit.