CN208221520U - Linear drives mould group - Google Patents

Abstract

The utility model relates to a kind of linear drives mould groups, including driving pedestal；Driving device, the driving device are set on the driving pedestal；Drive rod, the drive rod and the driving device are drivingly connected and are rotatably set on the driving pedestal；Actuating sleeve, the actuating sleeve Moveable-jacket are set on the drive rod, and are cooperated by driving with the drive rod, and the actuating sleeve, which can provide, axially pushes or pulls on power；Limit assembly, the limit assembly are set on the drive rod, for making the actuating sleeve only be stopped at extreme position；And driving head, the driving head are connect, for driving executive component to move back and forth by preset path with the actuating sleeve.Above-mentioned executive component does not need to occur with position-limit mechanism firmly to hard direct rigid collision when being only stopped at extreme position, because without deformation occurs, even damages, additional designs are needed to make individual position-limit mechanism simultaneously, so that equipment overall structure is more simplified, volume is more light and small.

Description

Linear drives mould group

Technical field

The utility model relates to drive equipment technical fields, more particularly to a kind of linear drives mould group.

Background technique

Currently, in order to make target executive component when moving back and forth completion required movement in preset path, it is general using straight Line driving mould group is connect to realize with target executive component Mechanical Driven.And in order to make executive component in the regulation model of preset path Interior movement is enclosed, the mode of setting position-limit mechanism is generallyd use, i.e., blocking junction is respectively set in two extreme positions of executive component Structure blocks the further movement of executive component.However the mode of above-mentioned setting position-limit mechanism has following defects that due to position restrainer Structure needs individually designed production, so that design, manufacturing cost increase, it is excessive to also result in equipment overall structure complexity, volume；This Outside, executive component directly with barrier structure rigid collision limit, cause executive component be easy because impact force is excessive occur deformation, Even the risk of damage, reliability are low.

Utility model content

Based on this, it is necessary to provide a kind of linear drives mould group, can prevent executive component from occurring to hit deformation, even damage It is bad, while design and manufacturing cost are reduced, reduce equipment overall volume.

Its technical solution is as follows:

A kind of linear drives mould group, comprising:

Drive pedestal；

Driving device, the driving device are set on the driving pedestal；

Drive rod, the drive rod and the driving device are drivingly connected and are rotatably set on the driving pedestal；

Actuating sleeve, the actuating sleeve Moveable-jacket are set on the drive rod, and are cooperated by driving with the drive rod, The actuating sleeve, which can provide, axially pushes or pulls on power；

Limit assembly, the limit assembly are set on the drive rod, for making the actuating sleeve only be stopped at limit position It sets；And

Driving head, the driving head are connect, for driving executive component to move back and forth by preset path with the actuating sleeve.

When working using above-mentioned linear drives mould group, driving device is installed on driving pedestal and makes drive rod and driving Device is drivingly connected well makes driving head drive mobile font element to be mechanically connected well with required later；On this basis, When driving device output power rotates drive rod, be set in actuating sleeve on drive rod can be moved axially along drive rod to It can be improved pushing or pulling on power (driving the difference of drive rod direction of rotation according to driving device) for axial direction, and then drive connection It is final that executive component is driven to move back and forth in preset path in the driving head synchronizing moving on actuating sleeve, due in drive rod On installed limit assembly, enable when actuating sleeve and only to stop when the mobile extremely extreme position on drive rod because of being blocked, Executive component is set to stop the extreme position being stopped in preset path by related effect.Compared to traditional scheme, above-mentioned execution Element does not need to occur with position-limit mechanism firmly to hard direct rigid collision, because without shape occurs when being only stopped at extreme position Become, even damage, while additional designs being needed to make individual position-limit mechanism, so that equipment overall structure is more simplified, volume It is more light and small.

The technical solution of the application is further described below:

The drive rod is threaded screw rod in one of the embodiments, and the actuating sleeve is feed screw nut, the screw rod For nut spinning on the threaded screw rod, the limit assembly includes the limit sleeve for being set to the first end of the threaded screw rod, The driving head includes connector, when the executive component is moved to the first extreme position, the feed screw nut and the limit Position set abuts, and when the executive component is moved to the second extreme position, the feed screw nut abuts with the connector.

The driving pedestal includes the promotion seat for offering slide guide through-hole in one of the embodiments, the driving dress It sets the driving motor including being set on described promotion seat one end and is drivingly connected with the driving motor and is rotatably sheathed on Shaft coupling in the slide guide through-hole, the shaft coupling and the threaded screw rod are drivingly connected；The feed screw nut leads with described The hole wall in slide-through hole is oriented to cooperation.

The driving pedestal further includes anti-attrition supporting element in one of the embodiments, the anti-attrition supporting element build-in in It is rotatably socketed in the slide guide through-hole and with one end that the threaded screw rod is connect with the shaft coupling.

In one of the embodiments, the shaft coupling include cross rubber block, connect with the driving motor first Linkage block and the second linkage block connecting with the threaded screw rod, first linkage block are equipped with opposite and spaced two A first card convex, second linkage block are equipped with opposite and spaced two the second card convexs, two first card convexs with The second card convex dislocation arrangement cooperatively forms cross recess, and the cross rubber block engages with the cross recess.

The driving pedestal further includes mounting base in one of the embodiments, and the mounting base offers socket through-hole, The promotion seat Moveable-jacket is set in the socket through-hole.

The driving head includes being connected nut and for pushing away with what the executive component was connect in one of the embodiments, Cylinder, the outside wall surface of the actuating sleeve are equipped with the first helicitic texture, and the inner wall and outside wall surface of the linking nut are respectively equipped with the The inner tube wall of two helicitic textures and third helicitic texture, described pushing cylinder one end is equipped with the 4th helicitic texture, the first screw thread knot Structure is adapted to second helicitic texture and is screwed on, and the third helicitic texture is adapted to the 4th helicitic texture and is screwed on, described The hole wall of the outer tube wall of pushing cylinder and the slide guide through-hole, which is oriented to, to be cooperated.

It is circumferentially additionally provided with and the third screw thread knot in the outside wall surface of the linking nut in one of the embodiments, The spaced anti-skid structure of structure.

The driving head further includes push-and-pull shaft in one of the embodiments, and the connector is equipped with the to be staggered The inner tube wall of five helicitic textures and switching through-hole, the one end of the pushing cylinder far from the linking nut is additionally provided with the 6th screw thread knot Structure, the 5th helicitic texture is adapted to the 6th helicitic texture to be screwed on, and the push-and-pull shaft is arranged in the switching through-hole It is interior and be used for and the executive component be rotatablely connected.

The driving head further includes axle sleeve in one of the embodiments, the axle sleeve be socketed on the push-and-pull shaft with Between the hole wall of the switching through-hole.

Detailed description of the invention

Fig. 1 is the configuration schematic diagram of linear drives mould group described in an embodiment of the present invention；

Fig. 2 is the assembling structure schematic diagram of linear drives mould group described in an embodiment of the present invention；

Fig. 3 is that the limit of feed screw nut and limit sleeve described in an embodiment of the present invention cooperates schematic diagram；

Fig. 4 is moving condition schematic diagram of the feed screw nut far from limit sleeve described in an embodiment of the present invention；

Fig. 5 is that the limit of limit sleeve and connector described in an embodiment of the present invention cooperates schematic diagram.

Description of symbols:

100, pedestal, 110, promotion seat, 112, slide guide through-hole, 120, anti-attrition supporting element, 130, mounting base, 200, drive are driven Dynamic device, 210, driving motor, 220, shaft coupling, 222, cross rubber block, the 224, first linkage block, the 2242, first card convex, 226, the second linkage block, the 2262, second card convex, 300, drive rod, 400, actuating sleeve, the 410, first helicitic texture, 500, limit Component, 510, limit sleeve, 520, limit card convex, 600, driving head, 610, linking nut, the 612, second helicitic texture, 614, the Three helicitic textures, 616, anti-skid structure, 620, pushing cylinder, the 622, the 6th helicitic texture, 630, connector, the 632, the 5th screw thread knot Structure, 634, switching through-hole, 640, push-and-pull shaft, 650, axle sleeve.

Specific embodiment

It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein Only to explain the utility model, the protection scope of the utility model is not limited.

It should be noted that when element is referred to as " being fixedly arranged on ", " being set to " or " install in " another element, it can be with Directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection " another yuan Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element The concrete mode being fixedly connected can be achieved by the prior art, and details are not described herein, it is preferred to use the fixation side of threaded connection Formula.

Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more Any and all combinations of relevant listed item.

" first " described in the utility model, " second " do not represent specific quantity and sequence, are only used for title It distinguishes.

As shown in Fig.1 and Fig.2, a kind of linear drives mould group of the embodiment shown for the application, comprising: driving pedestal 100；Driving device 200, the driving device 200 are set on the driving pedestal 100；Drive rod 300, the drive rod 300 are drivingly connected with the driving device 200 and are rotatably set on the driving pedestal 100；Actuating sleeve 400, the drive 400 Moveable-jackets of dynamic set are set on the drive rod 300, and are cooperated by driving with the drive rod 300, the actuating sleeve 400, which can provide axial direction, pushes or pulls on power；Limit assembly 500, the limit assembly 500 are set on the drive rod 300, for making The actuating sleeve 400 is only stopped at extreme position；And driving head 600, the driving head 600 connect with the actuating sleeve 400, are used for Executive component is driven to move back and forth by preset path.

Please continue to refer to Fig. 3 to Fig. 5, in this specific embodiment, the drive rod 300 is threaded screw rod, the drive Dynamic set 400 is feed screw nut, and for feed screw nut's spinning on the threaded screw rod, the limit assembly 500 includes being set to The limit sleeve 510 of the first end of the threaded screw rod, the driving head 600 include connector 630, when the executive component is mobile When to the first extreme position, the feed screw nut abuts with the limit sleeve 510, when the executive component is moved to second limit When position, the feed screw nut abuts with the end face of the connector 630.

When working using above-mentioned linear drives mould group, driving device 200 is installed on driving pedestal 100 and makes drive rod 300 are drivingly connected with driving device 200 and well make driving head 600 later and required mobile font element is driven to be mechanically connected Well；On this basis, when 200 output power of driving device rotates drive rod 300, the drive that is set on drive rod 300 Dynamic set 400 can move axially to improve the power that pushes or pulls on of axial direction and (driven according to driving device 200 along drive rod 300 Make the difference of 300 direction of rotation of drive rod), and then 600 synchronizing moving of driving head being connected on actuating sleeve 400 is driven, finally It drives executive component to move back and forth in preset path, due to following drive rod 300 to rotate due to limit assembly 500, works as driving Set 400 is in extremely extreme position mobile on drive rod 300, since 500 high speed rotation of limit assembly is there are biggish rotary torsion, When parts Contact rotary torsion and parts contact, object generates axial opposing force and interacts, and makes actuating sleeve 400 stop.Compared to traditional scheme, above-mentioned executive component does not need to occur with position-limit mechanism firmly to hard when being only stopped at extreme position Direct rigid collision, because without deformation occurs, even damages, while additional designs being needed to make individual position-limit mechanism, So that equipment overall structure is more simplified, volume is more light and small.

In view of preferably using the drive mechanism of threaded screw rod and feed screw nut, since threaded screw rod and feed screw nut pass through It is threadedly coupled, so that power transmission is more steady, accurate, rotary force can be efficiently converted into straight line and push or pull on power, thus can To drive executive component reliable mobile.In addition, as it is further preferred that the one end of threaded screw rod far from limit sleeve 510 is also set There is limit card convex 520, limit card convex 520 can prevent feed screw nut to be detached from.When feed screw nut moves close to threaded screw rod both ends Limit sleeve 510 or limit card convex 520 when, influenced by helicitic texture characteristic, feed screw nut will not moment fast ram limit Set 510 or limit card convex 520, and make a close process in proper order, so that the active force that limit is hit is small as far as possible, avoid collision Power is excessive to cause above-mentioned transmission mechanism excessive noise or stuck occur.It of courses, the replaceable side as above-described embodiment Formula, in other embodiments can also using it is other by rotary power change into straight line push or pull on power or directly export straight line Push or pull on the power mechanism of power.

Please continue to refer to Fig. 1, in addition, the driving pedestal 100 includes offering slide guide through-hole in an alternative embodiment 112 promotion seat 110, the driving device 200 include be set to it is described promotion 110 one end of seat on driving motor 210 and with The shaft coupling 220 that the driving motor 210 is drivingly connected and is rotatably sheathed in the slide guide through-hole 112, the shaft coupling 220 are drivingly connected with the threaded screw rod；The hole wall of the feed screw nut and the slide guide through-hole 112, which is oriented to, to be cooperated.It is thus logical The setting for crossing shaft coupling 220 enables the line shaft of driving motor 210 to be reliably sequentially connected with threaded screw rod and stable delivery Power, and then make threaded screw rod that feed screw nut be driven to move linearly and export and push or pull on power, at the same time, the outer wall of feed screw nut It is contradicted with the hole wall of slide guide through-hole 112, it is thus possible to the mobile realization of feed screw nut is oriented to, guarantee that feed screw nut is mobile more Steadily.Specifically, driving motor 210 is mounted on the end face of promotion seat 110 fasteners such as screws in a manner of the docking of end On, it is easy to assemble and disassemble, structure is simple.

Further, the driving pedestal 100 further includes anti-attrition supporting element 120, and 120 build-in of anti-attrition supporting element is in institute The one end connecting in slide guide through-hole 112 and with the threaded screw rod with the shaft coupling 220 is stated rotatably to be socketed.Thus pass through The setting of anti-attrition supporting element 120 can form installation support to threaded screw rod and positioning is fixed, while can be avoided threaded screw rod It directly rotates and contacts with the hole wall of slide guide through-hole 112, reduce pivoting friction abrasion, be conducive to lifting component service life.

Optionally, above-mentioned anti-attrition supporting element 120 can be double row angular contact bearing, transverse bearing, roller bearing etc.；This tool In body embodiment, anti-attrition supporting element 120 is double row angular contact bearing.

Please continue to refer to Fig. 1, on the basis of the above embodiments, the shaft coupling 220 include cross rubber block 222, with The first linkage block 224 that the driving motor 210 connects and the second linkage block 226 being connect with the threaded screw rod, described the One linkage block 224 is equipped with opposite and spaced two the first card convexs 2242, second linkage block 226 be equipped with it is opposite and Every two the second card convexs 2262 of setting, two first card convexs 2242 and second card convex 2262 dislocation arrangement cooperation shape At cross recess, the cross rubber block 222 engages with the cross recess.In this way, two the first card convexs 2242 and two second cards Convex 2262 dislocation arrangement, and be engaged by cross rubber block 222, not only it is conducive to promote load performance, reduces the damage of torsional load Evil, while rigid shock can be weakened as soft impulse, the safety in operation and reliability of lifting means.

Please continue to refer to Fig. 1 and Fig. 2, in another alternative embodiment, the driving pedestal 100 further includes mounting base 130, The mounting base 130 offers socket through-hole, and 110 Moveable-jacket of promotion seat is set in the socket through-hole.Specifically, it pushes away Dynamic seat 110 is cylindrical tube or the part cooperated with mounting base 130 is spherical outside surface, correspondingly, is offered in mounting base 130 Hole wall is the socket through-hole of Internal Spherical Surface, and when assembly, Internal Spherical Surface is matched with spherical outside surface；So not only to push seat 110 that can lead to It crosses on the fixed load bearing component of the installation of mounting base 130 and is fixed, while also allowing mounting base 130 and pushing to be formed between seat 110 A certain range of mutual rotation is easily installed position adjusting, while being satisfied with the requirement of various transmission matching relationships.

In addition, based on any of the above embodiments, the driving head 600 includes linking nut 610 and is used for and institute The pushing cylinder 620 of executive component connection is stated, the outside wall surface of the actuating sleeve 400 is equipped with the first helicitic texture 410, the linking nut 610 inner wall and outside wall surface is respectively equipped with the second helicitic texture 612 and third helicitic texture 614, described 620 one end of pushing cylinder Inner tube wall is equipped with the 4th helicitic texture, and first helicitic texture 410 is adapted to second helicitic texture 612 and is screwed on, described Third helicitic texture 614 is adapted to the 4th helicitic texture and is screwed on, the outer tube wall of the pushing cylinder 620 and the slide guide through-hole 112 hole wall is oriented to cooperation.Thus by the first helicitic texture 410 and the second helicitic texture 612, third helicitic texture 614 and The adaptation of 4th helicitic texture is screwed on, and actuating sleeve 400, linking nut 610 and pushing cylinder 620 can be made securely to connect, and dress connection is strong Degree is high, guarantees the axial stable delivery for pushing or pulling on power, and screw connection structure assembly and disassembly convenience；Simultaneously, pushing cylinder 620 is being led , also can be mobile by the steady reciprocating linear of preset path under the guiding role of the hole wall in slide-through hole 112, it avoids because pushing and pulling load mistake It trembles greatly, influences the operating reliability of executive component.

When being coupled structure, i.e. assembly and disassembly operations due to linking nut 610 and actuating sleeve 400 and pushing cylinder 620 for the dress of screw thread with Rotation mode carries out, and when to avoid operation, operating personnel's hand, which is held, has skidded phenomenon because of frictional force deficiency, influences to assemble and disassemble The convenience and reliability of operation.Further, it is circumferentially additionally provided with and the third in the outside wall surface of the linking nut 610 The spaced anti-skid structure 616 of helicitic texture 614.The setting for thus passing through the anti-skid structure 616, can effectively solve above-mentioned disadvantage End.Specifically, anti-skid structure 616 is that multiple planes of the along the circumferential direction connected setting of ending are constituted, two neighboring plane wedge angle Or arc transition, the optional shape of plane is rectangle, circle, ellipse, triangle etc., as long as can increase the contact with hand Frictional force.

Please continue to refer to Fig. 1 and Fig. 2, further, the driving head 600 further includes push-and-pull shaft 640, the connection First 630 are equipped with the 5th helicitic texture 632 and switching through-hole 634 being staggered, and the pushing cylinder 620 is far from the linking nut 610 The inner tube wall of one end be additionally provided with the 6th helicitic texture 622, the 5th helicitic texture 632 and the 6th helicitic texture 622 Adaptation is screwed on, and the push-and-pull shaft 640 is arranged in the switching through-hole 634 and for being rotatablely connected with the executive component. It is thus screwed on by the 5th helicitic texture 632 with the 6th being adapted to for helicitic texture 622, so that connector 630 and the dress of pushing cylinder 620 join Intensity is more preferable, and assembly and disassembly are more convenient, it is ensured that the reliable delivery of push-pull effort；Further, since the setting of push-and-pull shaft 640, so that even While connector 630 can connect output straight line push-pull effort with executive component, moreover it is possible to meet certain executive components and be revolved The occasion that rotation is made needs, conducive to the further scope of application for promoting linear drives mould group.

Further, the driving head 600 further includes axle sleeve 650, and the axle sleeve 650 is socketed on the push-and-pull shaft Between 640 and the hole wall of the switching through-hole 634.It can make connector 630 and push-and-pull shaft 640 by the setting of axle sleeve 650 And the rotation connection of executive component is more smooth, while playing barrier effect, avoids push-and-pull shaft 640 and executive component direct Rotation contacts and generates excessive friction damage.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of linear drives mould group characterized by comprising

Drive pedestal；

Driving device, the driving device are set on the driving pedestal；

Drive rod, the drive rod and the driving device are drivingly connected and are rotatably set on the driving pedestal；

Actuating sleeve, the actuating sleeve Moveable-jacket are set on the drive rod, and are cooperated by driving with the drive rod, described Actuating sleeve, which can provide, axially pushes or pulls on power；

Limit assembly, the limit assembly are set on the drive rod, for making the actuating sleeve only be stopped at extreme position；And

Driving head, the driving head are connect, for driving executive component to move back and forth by preset path with the actuating sleeve.

2. linear drives mould group according to claim 1, which is characterized in that the drive rod is threaded screw rod, the drive Dynamic set is feed screw nut, and for feed screw nut's spinning on the threaded screw rod, the limit assembly includes being set to the spiral shell The limit sleeve of the first end of line screw rod, the driving head include connector, when the executive component is moved to the first extreme position When, the feed screw nut abuts with the limit sleeve, when the executive component is moved to the second extreme position, the screw rod spiral shell It is female to be abutted with the connector.

3. linear drives mould group according to claim 2, which is characterized in that the driving pedestal includes offering slide guide to lead to The promotion seat in hole, the driving device include the driving motor being set on described promotion seat one end and drive with the driving motor The dynamic shaft coupling for connecting and being rotatably sheathed in the slide guide through-hole, the shaft coupling and the threaded screw rod are drivingly connected； The hole wall of the feed screw nut and the slide guide through-hole, which is oriented to, to be cooperated.

4. linear drives mould group according to claim 3, which is characterized in that the driving pedestal further includes anti-attrition support Part, the anti-attrition supporting element build-in is in the slide guide through-hole and one end for connecting with the threaded screw rod with the shaft coupling Rotatably socket.

5. linear drives mould group according to claim 3, which is characterized in that the shaft coupling include cross rubber block, with First linkage block of the driving motor connection and the second linkage block being connect with the threaded screw rod, first linkage block Equipped with opposite and spaced two the first card convexs, second linkage block is equipped with opposite and spaced two second cards Convex, two first card convexs and second card convex dislocation arrangement cooperatively form cross recess, the cross rubber block with it is described Cross recess engaging.

6. linear drives mould group according to claim 3, which is characterized in that the driving pedestal further includes mounting base, institute It states mounting base and offers socket through-hole, the promotion seat Moveable-jacket is set in the socket through-hole.

7. linear drives mould group according to claim 3, which is characterized in that the driving head includes linking nut and is used for The pushing cylinder connecting with the executive component, the outside wall surface of the actuating sleeve is equipped with the first helicitic texture, described to be connected the interior of nut Wall surface and outside wall surface are respectively equipped with the second helicitic texture and third helicitic texture, and the inner tube wall of described pushing cylinder one end is equipped with the 4th spiral shell Line structure, first helicitic texture are adapted to second helicitic texture and are screwed on, the third helicitic texture and the described 4th Helicitic texture adaptation is screwed on, and the hole wall of the outer tube wall of the pushing cylinder and the slide guide through-hole, which is oriented to, to be cooperated.

8. linear drives mould group according to claim 7, which is characterized in that in the outside wall surface of the linking nut circumferentially It is additionally provided with and the spaced anti-skid structure of third helicitic texture.

9. linear drives mould group according to claim 7, which is characterized in that the driving head further includes push-and-pull shaft, institute It states connector and is equipped with the 5th helicitic texture being staggered and switching through-hole, the pushing cylinder is far from described one end for being connected nut Barrel is additionally provided with the 6th helicitic texture, and the 5th helicitic texture is adapted to the 6th helicitic texture to be screwed on, and the push-and-pull turns Axis is arranged in the switching through-hole and for being rotatablely connected with the executive component.

10. linear drives mould group according to claim 9, which is characterized in that the driving head further includes axle sleeve, the axis It is socketed between the push-and-pull shaft and the hole wall of the switching through-hole.