CN103878611A - Section clamping mechanism - Google Patents
Section clamping mechanism Download PDFInfo
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- CN103878611A CN103878611A CN201410118578.7A CN201410118578A CN103878611A CN 103878611 A CN103878611 A CN 103878611A CN 201410118578 A CN201410118578 A CN 201410118578A CN 103878611 A CN103878611 A CN 103878611A
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- CN
- China
- Prior art keywords
- slide rail
- sliding shoe
- guiding piece
- drive screw
- gripper jaw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/066—Bench vices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention relates to a section clamping mechanism. The section clamping mechanism comprises a rack, a pair of clamping jaws and a transmission threaded rod, wherein the rack can position a sliding rail, the clamping jaws can move on the sliding rail to be in butt joint and are respectively the first clamping jaw and the second clamping jaw, and the transmission threaded rod can drag the pair of clamping jaws to move oppositely. The section clamping mechanism is characterized in that an inner cavity is formed in the sliding rail; the transmission threaded rod and the sliding rail are arranged in parallel, and the transmission threaded rod is located in the inner cavity of the sliding rail; one axial stretching end of the transmission threaded rod is connected with a rotary driver in a transmission mode. Accordingly, the transmission threaded rod can be prevented from stained with metal filings dropping from the clamping jaws, and then stability of automatic production is improved; structurally, the interval between the clamping jaws and the transmission threaded rod is reduced, and therefore clamping force of the clamping jaws is increased; due to the fact that the section clamping mechanism has the characteristics and the advantages, the section clamping mechanism can be applied to a section clamping device, especially a clamping device in an automatic system.
Description
Technical field
The present invention relates to a kind of plant equipment parts, particularly a kind of section bar clamping device for clamping section.
Background technology
Usually need on cutting machine, need length to carry out cutting section to use according to processing such as the elongated profile such as tubing, wire rod material.But, if adopt staff clamping section to cut, often due to staff chucking power not or clamping is unstable causes that section bar cutting mouth is not neat, Cutting Length differs, the not first-class great number of issues of machining accuracy.And in order to overcome the above problems, section bar clamping device arises at the historic moment.For example prior art, the patent No. is CN201210191150.6, patent name is the hitch feed device of solid pipe peeling machine, the applying date is that the application for a patent for invention document on October 3rd, 2012 has just disclosed a kind of hitch feed device, comprise that upper end is shaped with the firm banking 8 of guide rail 7, on described guide rail 7, slide and be provided with the opposed a pair of movable block 4 in left and right, described a pair of movable block 4 inner top side are fixed with respectively chuck 3.In addition, at described firm banking 8 medium positions, between described a pair of movable block 4, be fixed with centerbody 6, screw mandrel 5 is rotationally connected with on described centerbody 6 and with described a pair of movable block 4 and is in transmission connection.Like this, can drive described a pair of chuck 3 to complete clamping and open action by the rotation of described screw mandrel, thereby can substitute people's hand operated, for the cutting of section bar provides larger and stable chucking power.But the described screw mandrel 5 of described hitch feed device is arranged between described chuck 3 and guide rail 7 and is exposed in the air, described a pair of chuck 3, in order to dodge described centerbody 6 and screw mandrel 5, has to described a pair of chuck 3 to install highlyer simultaneously.
Summary of the invention
In the time that it is applied in automated production, find that through our a large amount of practice problem that primary need solves is to guarantee that section bar clamping device can serialization work and can not damage easily as section bar clamping device.And the reason of damaging is mainly wearing and tearing and slip clamping stagnation, the metal fillings such as the iron filings that wherein produce in process are very easy to sticky sticking on drive screw, not only the surface of described drive screw is produced and damaged, and the transmission stability of described screw mandrel is exerted an adverse impact.The problems such as in addition, existing clamping device also exists a common design feature, and described drive screw is merely able to the monolateral application of force of described sliding shoe, and the chucking power that often also derives described chuck is inadequate, and described sliding shoe slip clamping stagnation is unstable.
For the deficiencies in the prior art, one of goal of the invention of the present invention aims to provide one and can protect drive screw (being also screw mandrel) to avoid the damage of the metal fillings such as iron filings, thereby extends the service life of described drive screw and the section bar clamping device of its transmission stability of raising; Secondly, the drive screw of described section bar clamping device can carry out the bilateral application of force to sliding shoe, thereby improves described sliding shoe sliding stability; In addition, by optimizing the installation site relation between described drive screw and slide rail, not only make the structure of whole described section bar clamping device become compacter, and effectively reduce its clamped height of gripper jaw.
For this reason, the invention provides a kind of section bar clamping device, comprise can positioning slide frame, on described slide rail, can move i.e. the first gripper jaw and the second gripper jaw of involutory a pair of gripper jaw, also comprise and can drag the drive screw that described a pair of gripper jaw relatively moves; It is characterized in that, described slide rail is provided with inner chamber, and described drive screw and described slide rail be arranged in parallel and described drive screw is arranged in the inner chamber of described slide rail, and a shaft extension end of described drive screw is connected with rotating driver.
Wherein, described section bar clamping device whole installation is in a pre-prepd frame; And described the first gripper jaw and the second gripper jaw are separate and slip is simultaneously arranged at the member on described slide rail, when described the first gripper jaw and the second gripper jaw can clamp section bar to be processed after involutory, and convenience in order to discuss is below defined as clamping axis the axis that is held on the described section bar between the first gripper jaw and the second gripper jaw.So described the first gripper jaw and the second gripper jaw be relative described clamping axis in opposite directions or reverse slide simultaneously, and the process that can not put into or take out at described section bar described a pair of gripper jaw, appearance to described section bar causes damage, thereby the chuck that can allow described the first gripper jaw and the second gripper jaw form can be applied in the system of processing of having determined the axis of section bar material.Wherein, the axis of described section bar material, refers to that other fixture of section bar materiel machining system determined the centre of location of section bar in advance, and the clamping axis of described section bar clamping device must meet this centre of location.
Wherein, described slide rail is the member that sliding support is provided for described a pair of gripper jaw.It can be the guide rail of a monoblock type hollow type; It can be also that a point slide rail that is hollow separate by two sections but that be positioned on same slip axis combines, and now described slide rail is only required to be described a pair of gripper jaw suitable sliding support scope is provided.For described drive screw is collected rightly, if there is gap between point slide rail described in two sections, be preferably in two ends and divide the cover body that the described drive screw of protection is set between slide rail.Secondly, described a pair of gripper jaw can directly be slidably arranged on described slide rail, also can be slidably arranged on described slide rail by means of the first sliding shoe, the second sliding shoe that will mention below; Secondly can described slide rail be positioned in described frame by special supporting seat.
As for the structure of described slide rail, further technical scheme can also be that the cross section of described slide rail is roughly rectangular.So just can allow and there is more stable be connected between the first sliding shoe, the second sliding shoe and the described slide rail that will mention below; The cross section of described slide rail is roughly rectangular, can be case type rectangle, can be also the type semienclosed rectangle below with peristome.Certainly under the inspiration of this design philosophy, the cross section of described slide rail can also be set to pillow type, triangle etc., and other can form the structure that Stable sliding connects, but generally speaking squareness ratio is easier to location, also than being easier to processing and implementation.Wherein, described roughly rectangular, comprise and be also included within the rectangle of standard in the essential structure of rectangular profile, the wall body of described slide rail be provided with chute, below be abnormity after the guiding rail that will mention etc.
Secondly, in order to reduce the sliding-contact area between the first sliding shoe, the second sliding shoe and the described slide rail that will mention below, further technical scheme can also be, on the lateral surface of described slide rail, be at least provided with symmetrical two guide rails, stable connection not only between the first sliding shoe, the second sliding shoe and the described slide rail that will mention so below, and can form to slide by means of described guide rail and locate.Described symmetrical two guide rails refer to take described sliding track body as basic equalising torque and transmit symmetry orbital, for example they can be arranged on the left and right sides, left and right corner position or the upper and lower both sides etc. of described slide rail, in the case, the cross section of described slide rail can not be just proper rectangle but on monnolithic case, roughly have the shape of rectangle.Secondly by means of described two guide rail structures in the situation that, the cross-sectional structure of described slide rail can also be round or ellipse.
Wherein, described drive screw is to drag the transmission mechanism that described a pair of gripper jaw relatively moves and is positioned at the below of described gripper jaw simultaneously.In order to form rotary drive, be connected with rotating driver at a shaft extension end of described drive screw; Described rotating driver can be hydraulic motor, electro-motor with reducing gear etc.Described rotating driver is arranged on a shaft extension end of described drive screw, not only can be easy to assembly but also can make the clamping axis of whole described section bar clamping device reduce.
Wherein, described drive screw is arranged in the inner chamber of described slide rail, refer to that the described drive screw that is arranged in described slide rail section is collected in described slide rail, if described slide rail is extended at the two ends of described drive screw, described drive screw can also be collected by means of the first sliding shoe, the second sliding shoe etc. that will mention below.
Compared with prior art, beneficial effect of the present invention is:
1. described in, described drive screw is collected in the inner chamber of described slide rail, not only can avoids the metal fillings falling from described gripper jaw to pollute described drive screw, thereby improve the stability of automated production; And from structure, the spacing between described gripper jaw and described drive screw is dwindled, improve the chucking power of described gripper jaw.
2. because described a pair of gripper jaw can relatively move on slide rail, and described in it, drive screw is hidden in the inner chamber of described slide rail, described section bar clamping device is at least convenient to be applied in the automatic processing system of the axis of material having determined for this reason, will make whole section bar clamping device structure tightly short and reliable.
Further technical scheme can also be that the minimum end face of described a pair of gripper jaw is pressed close to above described slide rail.Can greatly reduce like this relative altitude between described a pair of gripper jaw and described slide rail, described drive screw, improve the clamping ability of described a pair of gripper jaw, also be not easy to occur mobile clamping stagnation problem.Described press close to above described slide rail, the minimum end face that refers to described a pair of gripper jaw approaches above described slide rail substantially, thereby can reduce the space below the minimum end face that metal fillings enters into described a pair of gripper jaw and between described slide rail and the clamping stagnation problem and the wear problem that easily occur as far as possible.
Further technical scheme can also be, also comprises the first sliding shoe, the second sliding shoe that are slidably arranged in respectively on described slide rail, and described the first gripper jaw is connected on described the first sliding shoe, and described the second gripper jaw is connected on described the second sliding shoe; The the first slide rail hole, the second slide rail hole that on described the first sliding shoe, the second sliding shoe, are respectively arranged with described slide rail adaptation, described the first sliding shoe, the second sliding shoe are contained on described slide rail by described the first slide rail hole, the second slide rail borehole jack respectively.
Further technical scheme can also be, also comprises and can draw respectively the first guiding piece, the second guiding piece that before and after described the first sliding shoe, the second sliding shoe, slide, and described the first guiding piece, the second guiding piece are in transmission connection with described drive screw respectively.
According to this scheme, described drive screw drags described the first sliding shoe of traction, the second sliding shoe front and back on described slide rail by described the first guiding piece, the second guiding piece again and slides.Wherein said the first guiding piece, the second guiding piece can be the members connecting as one with described the first sliding shoe, the second sliding shoe respectively, can be also detachable individual members; Wherein detachable described the first guiding piece, the second guiding piece structure make to manufacture described the first sliding shoe, the second sliding shoe time ratio is easier to, also easier while assembling described the first guiding piece, the second guiding piece to described drive screw.Wherein said the first guiding piece, the second guiding piece can be arranged on outside described slide rail, correspondingly the length of described drive screw also can be extended described slide rail, and the part of extending described slide rail can be collected in described the first guiding piece, the second guiding piece or the first sliding shoe, the second sliding shoe.
In the time that described the first guiding piece, the second guiding piece are also positioned at the spatial dimension that described slide rail defines, further technical scheme can also be, described the first guiding piece, the second guiding piece extend in described slide rail, and the two ends of described slide rail are respectively arranged with dodges the elongated slot that described the first guiding piece, the second guiding piece move forward and backward.Because described the first guiding piece, the second guiding piece need to be in transmission connection with described drive screw, described the first guiding piece, the second guiding piece need to extend in described slide rail for this reason, and described the first guiding piece, the second guiding piece are the members that can move forward and backward, the described elongated slot that the two ends of described slide rail arrange respectively for this reason can be dodged space for described the first guiding piece, the second guiding piece that move forward and backward provide; Unless the two ends of described slide rail itself are exactly the structure of an open type, just there is no need on described slide rail, to arrange separately more described elongated slot, uncovered position itself is exactly described elongated slot.
Further technical scheme can also be, described the first guiding piece is combined on described the first sliding shoe, and binding site between them at least comprises two upper and lower corresponding points; Described the second guiding piece is combined on described the second sliding shoe, and binding site between them at least comprises two upper and lower corresponding points.According to this scheme, described the first guiding piece with or described the first sliding shoe between, between described the second guiding piece and described the second sliding shoe, at least there are two corresponding stress points that distribute up and down, thereby make described the first sliding shoe, the second sliding shoe be subject to the tractive force of upper and lower equilibrium, overcome monolateral when stressed described in the first sliding shoe, the problem of the easy clamping stagnation of the second sliding shoe on described slide rail.Described two upper and lower corresponding points are two contact points or two the contact-making surface regions that distribute take described slide rail Kong center as corresponding points upper and lower corresponding, upper and lower corresponding to be not equal to must be upper and lower symmetry.
Further technical scheme can also be, is provided with plus thread section and left-hand thread section on described drive screw, and described plus thread section and described the first guiding piece screw thread are in transmission connection, and described left-hand thread section and described the second guiding piece screw thread are in transmission connection.Like this in the time of the rotation of described drive screw, can promote the first sliding shoe, the second sliding shoe relatively moves on described slide rail.
Described drive screw can be arranged in frame by a supporting seat or a pair of supporting seat, and secondly described slide rail also can be arranged in described frame by another supporting seat or a pair of supporting seat; Or described drive screw and described slide rail can be arranged in frame by same supporting seat or with a pair of supporting seat.For this reason, further technical scheme can also be, also comprises supporting seat, and described drive screw can be positioned on described supporting seat rotationally; Described slide rail is positioned on described supporting seat, and described supporting seat is positioned in described frame or by bracing frame and is positioned in described frame; Or described supporting seat is positioned on described slide rail, described slide rail is positioned in described frame by bracing frame.Can make like this assembly structure of whole described section bar clamping device tightly short.According to this scheme, described supporting seat can be set directly in frame, and described drive screw and described slide rail can be arranged on described supporting seat simultaneously; Be positioned on described slide rail if locate the supporting seat of described drive screw, so described slide rail or described supporting seat are positioned in frame by another bracing frame again.
Because the present invention has These characteristics and advantage, can be applied in section bar chucking device in the chucking device in automated system particularly for this reason.
Accompanying drawing explanation
Fig. 1 is the perspective view of the guide tracked clamping device of application technical solution of the present invention;
Fig. 2 is the cross-sectional view of A-A direction in Fig. 1;
Fig. 3 is the decomposition texture schematic diagram of the guide tracked clamping device shown in Fig. 1;
Fig. 4 is the cross section structure schematic diagram of the second embodiment of described slide rail 1;
Fig. 5 is the another kind of mode of traction of described guiding piece 51 to described the first gripper jaw 21.
The specific embodiment
The structure of the guide tracked clamping device below in conjunction with accompanying drawing to application technical solution of the present invention is further described.
Be a kind of schematic diagram of section bar clamping device as shown in Figure 1, Figure 2 and Figure 3, described section bar clamping device whole installation is upper in a pre-prepd frame (not shown in FIG.), for clamping accurately and stably section bar to be processed.Described section bar clamping device is included on slide rail 1 can move i.e. the first gripper jaw 21 and the second gripper jaw 22 of involutory a pair of gripper jaw, also comprises and can drag the drive screw 3 that described a pair of gripper jaw (21,22) relatively moves; Described drive screw 3 be arranged in parallel with described slide rail 1 and described drive screw 3 is arranged in the inner chamber of described slide rail 1.
Wherein, described the first gripper jaw 21 and the second gripper jaw 22 are separate and slip is simultaneously arranged at the member on described slide rail 1, when described the first gripper jaw 21 and the second gripper jaw 22 can clamp section bar to be processed after involutory, and convenience in order to discuss is below defined as clamping axis B the axis that is held on the described section bar between the first gripper jaw 21 and the second gripper jaw 22.So described the first gripper jaw 21 and the second gripper jaw 22 be relative described clamping axis B in opposite directions or reverse slide simultaneously, and can not put into or take out at described section bar the process of described a pair of gripper jaw (21,22), appearance to described section bar causes damage, thereby the chuck that can allow described the first gripper jaw 21 and the second gripper jaw 22 form is applied in the system of processing of having determined the axis of section bar material.In order to improve the clamping ability of described a pair of gripper jaw (21,22), reduce as far as possible and occur mobile catching phenomenon, further technical scheme can also be, the minimum end face of described a pair of gripper jaw (21,22) is pressed close to above described slide rail 1, so also can greatly reduce the relative altitude between described a pair of gripper jaw (21,22) and described slide rail 1, described drive screw 3, effectively reduce the relative altitude between described clamping axis B and described slide rail 1, described drive screw 3.
Described a pair of gripper jaw (21,22) can directly be slidably arranged on described slide rail 1, and in order to facilitate described a pair of gripper jaw (21,22) to manufacture and change, between described a pair of gripper jaw (21,22) and described slide rail 1, can also be provided with the first sliding shoe 41, the second sliding shoe 42.Described the first sliding shoe 41, the second sliding shoe 42 are slidably arranged in respectively on described slide rail 1, and described the first gripper jaw 21 is removably connected on described the first sliding shoe 41, and described the second gripper jaw 22 is removably connected on described the second sliding shoe 42.On described the first sliding shoe 41, the second sliding shoe 42, be respectively arranged with and the first slide rail hole 411, the second slide rail hole 421 of described slide rail 1 adaptation, described the first sliding shoe 41, the second sliding shoe 42 are sleeved on described slide rail 1 by described the first slide rail hole 411, the second slide rail hole 421 respectively.
Described slide rail 1 is the guide rail of a monoblock type hollow type, and provides sliding support for described the first sliding shoe 41, the second sliding shoe 42 and the described a pair of gripper jaw (21,22) that supports thereof.Certainly, as another kind of embodiment, described slide rail 1 can also be that a point slide rail separate by two sections but that be positioned at hollow type on same slip axis combines, and now 1 of described slide rail is required to be described a pair of gripper jaw (21,22) suitable sliding support scope is provided.But for described drive screw 3 is collected rightly, if there is gap between point slide rail described in two sections, be preferably in two ends and divide the cover body that the described drive screw 3 of protection is set between slide rail.
As for the structure of described slide rail 1, can adopt numerous embodiments, for example: as shown in Figure 3, the cross section of described slide rail 1 is rectangular, so just can allow and there is more stable being connected between described the first sliding shoe 41, the second sliding shoe 42 and described slide rail 1.Wherein, the cross section of described slide rail 1 is rectangular, can be case type rectangle.Also can be as shown in Figure 4, described slide rail 1 has the type semienclosed rectangle of peristome 12 below.Certainly under the inspiration of this design philosophy, the cross section of described slide rail 1 can also be set to pillow type, triangle etc., and other can form the structure that Stable sliding connects, but generally speaking squareness ratio is easier to location also than being easier to processing and implementation.
Secondly, in order to reduce the sliding-contact area between described the first sliding shoe 41, the second sliding shoe 42 and described slide rail 1, further technical scheme can also be, as shown in Figure 4, on the lateral surface of described slide rail 1, be at least provided with symmetrical two guide rails (11a, 11b), stable connection not only between described like this first sliding shoe 41, the second sliding shoe 42 and described slide rail 1, and can form the location of sliding by means of described guide rail (11a, 11b).Described symmetrical two guide rails (11a, 11b) refer to that for example they can be arranged on the left and right sides, left and right corner position or the upper and lower both sides etc. of described slide rail 1 take described slide rail 1 body as basic equalising torque transmission symmetry orbital.Secondly in the case of the structure by means of described two guide rails (11a, 11b), the cross-sectional structure of described slide rail 1 can be round or ellipse.Described in this in slide rail 1 structure, although the rectangle that the cross section of described slide rail 1 is not standard has rectangular profile roughly.
In the inner chamber of described slide rail 1, be provided with described drive screw 3.In order to form rotary drive, a shaft extension end 33 of described drive screw 3 is connected with hydraulic motor, and described hydraulic motor is rotating driver 6.Like this, not only can be easy to assembly but also can make the clamping axis B of whole described section bar clamping device reduce.Certain described rotating driver 6 can also adopt the actuating units such as the electro-motor with reducing gear.
Described drive screw 3 is in transmission connection with the first guiding piece 51, second guiding piece 52 that can draw respectively described the first sliding shoe 41, the second sliding shoe 42 front and back slips.Like this, described drive screw 3 drags described the first sliding shoe 41 of traction, the second sliding shoe 42 by described the first guiding piece 51, the second guiding piece 52 again and slides before and after on described slide rail 1.As can be seen here, described drive screw 3 is for can drag the transmission mechanism that described a pair of gripper jaw (21,22) relatively moves and is positioned at the below of described a pair of gripper jaw (21,22) simultaneously.
Wherein, described a pair of guiding piece (51,52) has multiple to the mode of traction of described a pair of gripper jaw (21,22), for example:
The first, as shown in Figure 3, is provided with plus thread section 31 and left-hand thread section 32 on described drive screw 3, described plus thread section 31 and the first guiding piece 51 screw threads are in transmission connection, and described left-hand thread section 32 is in transmission connection with described the second guiding piece 52 screw threads.In addition, because described the first guiding piece 51, the second guiding piece 52 are positioned at the spatial dimension that described slide rail 1 defines, the two ends of described slide rail 1 are respectively arranged with dodges the elongated slot (13,14) that described the first guiding piece 51, the second guiding piece 52 move forward and backward, described elongated slot (13,14) also lays respectively in the motion track region of described the first sliding shoe 41, the second sliding shoe 42, thereby external metallization bits also can not enter in described slide rail 1 from described elongated slot (13,14) easily.Secondly, described the first guiding piece 51 is made up of upper threaded body 51a separate and that be mutually fastened and connected, lower threaded body 51b respectively; Described the second guiding piece 52 is made up of upper threaded body 52a separate and that be mutually fastened and connected, lower threaded body 52b respectively.On the upper and lower hole wall in described the first slide rail hole 411, be respectively arranged with described on upper through hole, the lower through-hole of threaded body 51a, lower threaded body 51b adaptation, on the upper and lower hole wall in described the second slide rail hole 421, be respectively arranged with described on upper through hole, the lower through-hole of threaded body 52a, lower threaded body 52b adaptation.When assembling, first one end of described slide rail 1 is inserted and in the first slide rail hole 411 of described the first sliding shoe 41, make described elongated slot 13 and described upper through hole, lower through-hole is corresponding to be arranged, then described upper threaded body 51a, lower threaded body 51b is interspersed in respectively through hole, in lower through-hole, again by bolt by described upper threaded body 51a, lower threaded body 51b connects as one in two described elongated slots 13 of upper-lower position that rear slip is arranged at the one end that is distributed in described slide rail 1, described upper threaded body 51a simultaneously, the screwed hole forming after lower threaded body 51b combination is also fastened in described plus thread section 31 and with described plus thread section 31 and forms screw thread transmission, then by same step, described the second sliding shoe 42 and the second guiding piece 52 are installed.After installation, described the first guiding piece 51 is combined on the upper and lower hole wall body in described the first slide rail hole 411, and binding site between them at least includes two upper and lower corresponding contact-making surfaces (A1, A2).Similarly, described the second guiding piece 52 is combined on the upper and lower hole wall body in described the second slide rail hole 421, and binding site between them at least comprises the contact-making surface (B1, B2) of two upper and lower correspondings.Like this, described guiding piece provides the stress point of two upper and lower correspondings at least to described the first sliding shoe 41, described the second sliding shoe 42, thereby make described the first sliding shoe 41, the second sliding shoe 42 be subject to upper and lower balanced tractive force, overcome monolateral when stressed described in the first sliding shoe 41, the problem of the easy clamping stagnation of the second sliding shoe 42 on described slide rail 1.Described two corresponding contact-making surfaces (A1, A2) are to be two roughly symmetrical upper and lower contact-making surface regions take described slide rail Kong411 center; Similarly, described two corresponding contact-making surfaces (B1, B2) are to be two roughly symmetrical upper and lower contact-making surface regions take the center in described slide rail hole (421).Like this, described the first guiding piece 51, the detachable structure of the second guiding piece 52 make to manufacture described the first sliding shoe 41, the second sliding shoe 42 time ratio is easier to, also easier while assembling described the first guiding piece 51, the second guiding piece 52 to described drive screw 3.
Certainly as another kind of embodiment, the two ends of described slide rail 1 itself can be designed as the structure of an open type, and now described uncovered position itself is exactly described elongated slot (13,14).
The second, be illustrated in figure 5 the another kind of mode of traction of described the first guiding piece 51 to described the first gripper jaw 21, different from the first embodiment is that described the first guiding piece 51 does not extend in described slide rail 1, but it is outer and be connected on described the first sliding shoe 41 by the mode such as welding or be threaded to be arranged at the sliding support scope of described slide rail 1.Specifically, the upper installation foot 51a of described the first guiding piece 51 is arranged at the upper side wall 41a of described the first sliding shoe 41, the lower installation foot 51b of described the first guiding piece 51 is arranged at the lower wall 41b of described the first sliding shoe 41, like this, described the first guiding piece 51 is combined on described the first sliding shoe 41, and binding site between them at least comprises the contact-making surface region (A1, A2) of two upper and lower correspondings.Because described the first guiding piece 51 need to be in transmission connection with described drive screw 3, be provided with the threaded portion 51c being threaded with the plus thread section 31 of described drive screw 3 at the medium position of described the first guiding piece 51; The plus thread section 31 of described drive screw 3 is extended described slide rail 1 and is threaded with described threaded portion 51c.The part that wherein said drive screw 3 extends described slide rail 1 is collected in described the first guiding piece 51.In addition, installation, the kind of drive between installation, the kind of drive and described the first guiding piece 51, the first sliding shoe 41, described drive screw 3 and slide rail 1 between described the second guiding piece 52, the second sliding shoe 42, described drive screw 3 and slide rail 1 are similar, at this repeated description no longer.For this reason, in this kind of technical scheme, the inner chamber that described drive screw 3 is arranged in described slide rail 1 does not have whole described drive screw 3 and is all located at the inner chamber of described slide rail 1, but obtains equally the identical technique effect of described the first mode of traction.
For the ease of described section bar clamping device is installed, described section bar clamping device also comprises a pair of mount pad (71,72).The two ends of described drive screw 3 are positioned on described supporting seat (71,72) rotationally by sliding bearing (81,82) respectively.In addition, the two ends of described slide rail 1 are also positioned at respectively on described supporting seat (71,72).According to this scheme, when installation, first described drive screw 3 and described slide rail 1 are arranged on to described supporting seat (71,72) upper simultaneously, and then described supporting seat (71,72) is set directly in described frame (not shown in FIG.).Can make like this assembly structure of whole described section bar clamping device tightly short.Certainly,, as another kind of embodiment, locate the supporting seat (71,72) of described drive screw 3
onlybe positioned on described slide rail 1 so described slide rail 1 or to be positioned in described frame by another bracing frame (not shown in FIG.) be also feasible embodiment again.
The guide tracked clamping device operation of application technical solution of the present invention is as follows:
In the time that turning round, described rotating driver 6 drive described drive screw 3 to rotate.The plus thread section 31 of described drive screw 3 drives the first guiding piece 51 to move; Described left-hand thread section 32 drives described the second guiding piece 52 to move.And be arranged in described elongated slot (13,14) and while being subject to the movement limit of described elongated slot (13,14) when described the first guiding piece 51, the second guiding piece 52 slide respectively, described the first guiding piece 51, the second guiding piece 52 can only slide along the bearing of trend of described elongated slot (13,14) respectively.Now, described the first guiding piece 51, the second guiding piece 52 draw respectively the front and back slip on described slide rail 1 of the first sliding shoe 41, the second sliding shoe 42 when slip.The hole wall that is respectively described slide rail hole (411,421) due to described the first guiding piece 51, the second guiding piece 52 in addition provides two symmetrical stress points, thereby make described the first sliding shoe 41, the second sliding shoe 42 be subject to balanced tractive force, the action that finally makes described a pair of gripper jaw (21,22) can smooth sliding and complete clamping or unclamp.
Compared with prior art, due to this product described drive screw 3 is collected in the inner chamber of described slide rail 1, not only can avoid the metal fillings falling from described a pair of gripper jaw (21,22) to pollute described drive screw 3, thereby improve the stability of automated production; And from structure, the spacing between described a pair of gripper jaw (21,22) and described drive screw 3 is dwindled, improve the chucking power of described a pair of gripper jaw (21,22).In addition, because described the first sliding shoe 41, the upper and lower uniform stressed of the second sliding shoe 42 are dragged, for this reason can Stable sliding.
Because the present invention has These characteristics and advantage, can be applied in section bar chucking device, particularly in the chucking device in automated system for this reason.
Claims (10)
1. section bar clamping device, comprise can positioning slide frame, on described slide rail, can move i.e. the first gripper jaw and the second gripper jaw of involutory a pair of gripper jaw, also comprise and can drag the drive screw that described a pair of gripper jaw relatively moves; It is characterized in that, described slide rail is provided with inner chamber, and described drive screw and described slide rail be arranged in parallel and described drive screw is arranged in the inner chamber of described slide rail, and a shaft extension end of described drive screw is connected with rotating driver.
2. section bar clamping device according to claim 1, is characterized in that, the minimum end face of described a pair of gripper jaw is pressed close to above described slide rail.
3. section bar clamping device according to claim 1, is characterized in that, the cross section of described slide rail is roughly rectangular.
4. section bar clamping device according to claim 1, is characterized in that, is at least provided with symmetrical two guide rails on the lateral surface of described slide rail.
5. according to the section bar clamping device described in claim 1 to 4 any one, it is characterized in that, also comprise the first sliding shoe, the second sliding shoe that are slidably arranged on respectively on described slide rail, described the first gripper jaw is connected on described the first sliding shoe, and described the second gripper jaw is connected on described the second sliding shoe; On described the first sliding shoe, the second sliding shoe, be respectively arranged with and the first slide rail hole, the second slide rail hole of described slide rail adaptation, described the first sliding shoe, the second sliding shoe are contained on described slide rail by described the first slide rail hole, the second slide rail borehole jack respectively.
6. section bar clamping device according to claim 5, it is characterized in that, also comprise and can draw respectively the first guiding piece, the second guiding piece that before and after described the first sliding shoe, the second sliding shoe, slide, described the first guiding piece, the second guiding piece are in transmission connection with described drive screw respectively.
7. section bar clamping device according to claim 6, is characterized in that, described the first guiding piece, the second guiding piece extend in described slide rail, and the two ends of described slide rail are respectively arranged with dodges the elongated slot that described the first guiding piece, the second guiding piece move forward and backward.
8. section bar clamping device according to claim 6, is characterized in that, described the first guiding piece is combined on described the first sliding shoe, and binding site between them at least comprises two upper and lower corresponding points; Described the second guiding piece is combined on described the second sliding shoe, and binding site between them at least comprises two upper and lower corresponding points.
9. section bar clamping device according to claim 6, it is characterized in that, on described drive screw, be provided with plus thread section and left-hand thread section, described plus thread section and described the first guiding piece screw thread are in transmission connection, and described left-hand thread section and described the second guiding piece screw thread are in transmission connection.
10. according to the arbitrary described section bar clamping device of claim 1 to 4, it is characterized in that, also comprise supporting seat, described drive screw can be positioned on described supporting seat rotationally; Described slide rail is positioned on described supporting seat, and described supporting seat is positioned in described frame or by bracing frame and is positioned in described frame; Or described supporting seat is positioned on described slide rail, described slide rail is positioned in described frame by bracing frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410118578.7A CN103878611B (en) | 2014-03-27 | 2014-03-27 | Section bar clamping device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410118578.7A CN103878611B (en) | 2014-03-27 | 2014-03-27 | Section bar clamping device |
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| CN103878611A true CN103878611A (en) | 2014-06-25 |
| CN103878611B CN103878611B (en) | 2016-11-16 |
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| CN108608027A (en) * | 2018-05-11 | 2018-10-02 | 荆门它山之石电子科技有限公司 | A kind of intelligent die production and processing device |
| CN109870594A (en) * | 2017-12-04 | 2019-06-11 | 天津平高智能电气有限公司 | Fixing tool is used in pole detection |
| JP2020185662A (en) * | 2019-05-10 | 2020-11-19 | トーヨー オートメーション カンパニー リミテッドＴｏｙｏ Ａｕｔｏｍａｔｉｏｎ Ｃｏ．， Ｌｔｄ． | Clamp unit |
| CN112025855A (en) * | 2020-07-02 | 2020-12-04 | 中原工学院 | Cutting auxiliary device for industrial product design |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104191287A (en) * | 2014-06-30 | 2014-12-10 | 苏州爱得科技发展有限公司 | Pneumatic clamping device for machine tool |
| CN104259555B (en) * | 2014-09-03 | 2017-02-15 | 佛山市捷泰克机械有限公司 | High-precision proximate matter saw cutting machine |
| CN104259555A (en) * | 2014-09-03 | 2015-01-07 | 佛山市捷泰克机械有限公司 | High-precision proximate matter saw cutting machine |
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| CN104440212A (en) * | 2014-10-23 | 2015-03-25 | 秦科 | Driller clamp |
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| CN104999097A (en) * | 2015-07-02 | 2015-10-28 | 德清县南洋机械配件厂 | Tailstock device for machine tool |
| CN105234708A (en) * | 2015-10-29 | 2016-01-13 | 马鞍山动力传动机械有限责任公司 | Clamp for milling end faces and drilling center holes in two ends of spline shaft fork type parts |
| CN105234708B (en) * | 2015-10-29 | 2017-07-11 | 马鞍山动力传动机械有限责任公司 | Slip shaft yoke type part milling end face bores two ends centre bore fixture |
| CN106002373A (en) * | 2016-06-22 | 2016-10-12 | 无锡惠山泵业有限公司 | Fixing device of perforating machine for drilling valve |
| CN106378429A (en) * | 2016-11-28 | 2017-02-08 | 无锡市莱达热工工程有限公司 | Tension supporting mechanism of aluminum wire continuous casting and continuous rolling mill |
| CN106514357A (en) * | 2016-12-29 | 2017-03-22 | 重庆市铜梁区宁基五金销售有限公司 | Adjustable combined clamp |
| CN106514357B (en) * | 2016-12-29 | 2018-12-14 | 重庆市铜梁区宁基五金销售有限公司 | A kind of adjustable composite fixture |
| CN109870594A (en) * | 2017-12-04 | 2019-06-11 | 天津平高智能电气有限公司 | Fixing tool is used in pole detection |
| CN108608027A (en) * | 2018-05-11 | 2018-10-02 | 荆门它山之石电子科技有限公司 | A kind of intelligent die production and processing device |
| JP2020185662A (en) * | 2019-05-10 | 2020-11-19 | トーヨー オートメーション カンパニー リミテッドＴｏｙｏ Ａｕｔｏｍａｔｉｏｎ Ｃｏ．， Ｌｔｄ． | Clamp unit |
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| CN112025855A (en) * | 2020-07-02 | 2020-12-04 | 中原工学院 | Cutting auxiliary device for industrial product design |
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Address after: 528200 Foshan, Guangdong Province, Nanshan District, Shih Shan town, small hole 8 small road (workshop 1) (residence declaration) Patentee after: Guangdong jet tech Intelligent Equipment Co., Ltd. Address before: 528200 Foshan, Guangdong, Nanhai District, Shiyan town science and Technology Industrial Park B area 2 North (No. 1) Patentee before: CHITTAK MACHERY CO., LTD. |
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