CN209036383U - Reinforcing bar clamps driving structure - Google Patents

Abstract

The utility model discloses a kind of reinforcing bars to clamp driving structure, including workbench and on workbench and control the pushing block being oppositely arranged, the rear of two pieces of pushing blocks, which is provided with, pushes away seat, seat is pushed away to be fixedly connected with two pieces of pushing blocks respectively, it pushes away downward recessed jagged I at the top of seat, the bottom of notch I has supporting surface I, fixing seat is also fixedly connected on workbench and positioned at the rear for pushing away seat, downward recessed jagged II at the top of fixing seat, the bottom of notch II has supporting surface II, supporting surface I and supporting surface II are located in same level, push-and-pull cylinder has been respectively fixedly connected on the trailing flank of fixing seat and positioned at the left and right sides of notch II, the front end of push-and-pull cylinder has one and the push-pull rod that pushes away seat and be fixedly connected.The utility model structure is simple, and two push-and-pull cylinders push away seat and provide same thrust for pushing block movement, it is ensured that the sync rates moved after pushing block stress, while two push-and-pull cylinders also ensure the intensity to steel bar clamping.

Description

Reinforcing bar clamps driving structure

Technical field

The utility model relates to a kind of driving structures, and in particular to a kind of reinforcing bar clamping driving structure.

Background technique

Reinforcing bar pier head machine is very extensive in the utilization of steel bar meter field, and reinforcing bar pier head machine can be divided into electric heating high strength cast iron pier nose Machine and cold pier reinforcing bar pier head machine, electric heating high strength cast iron pier head machine are after fixing reinforcing bar, to be electrically heated its head to one Determine temperature, after it softens, its head is pressurizeed and formed pier nose along its axis direction.Usually reinforcing bar is fixed Rebar fixing device include two hydraulic cylinders for being separately positioned on reinforcing bar two sides to be held, the cylinder rod of two hydraulic cylinders it is opposite and The setting of reinforcing bar radial direction applies an opposite radial active force to the both ends of reinforcing bar, to clamp to reinforcing bar.But During reinforcing bar pier nose, pier nose pressurizing device is the active force of the axis direction applied to reinforcing bar, in this way in the mistake of pier nose It is easy for the case where reinforcing bar rearward displacement occur in journey, the quality of reinforcing bar pier nose will be impacted, can only be selected accordingly The bigger hydraulic cylinder of active force clamps reinforcing bar, will result in the increase of cost in this way, while also increasing entire dress The volume set.

To solve the above-mentioned problems, the invention human hair front end reinforcing bar clamping device of a kind of reinforcing bar pier nose, including work are flat Platform and on workbench and the pushing block that is oppositely arranged of left and right, pushing block are slidably connected on workbench with can be along front and back To being moved, it is respectively fixedly connected with a pushing block driving device on workbench and positioned at the rear of pushing block, has passed through pushing block Driving device driving pushing block moved in the front-back direction, be respectively arranged with inclined-plane on the opposite side side of two pieces of pushing blocks so that The opening that spacing from the front to the back gradually increases is formed between two pieces of pushing blocks, is arranged at intervals with briquetting in left-right direction in opening, is pressed Side side of pushing block is sliding surface where block is respectively facing it, and briquetting is slidably connected on its corresponding pushing block by sliding surface Can be slided along inclined-plane inclined direction, opened up respectively on the opposite side side of two pieces of briquettings along the longitudinal direction extend and Card slot for being limited to reinforcing bar, two clamp bar slots are oppositely arranged in left-right direction, on workbench and respectively corresponding each The front of briquetting is also extended in left-right direction guide rail, slidably connects slide on guide rail along its length, on slide It is fixedly connected with link block, link block briquetting corresponding with its side is fixedly connected.Pushing block is pushed to move forward, pushing block is logical Ramp effect is crossed on briquetting, while briquetting is connected block limitation again, therefore two pieces of briquettings can relatively move respectively with energy It is enough that reinforcing bar between it is clamped.But two pieces of pushing block driving devices are activated speed when driving pushing block mobile The various aspects factor such as degree and friction, the movement that will lead to two pieces of pushing blocks is asynchronous, and the briquetting on one of pushing block will Reinforcing bar is first touched, and then will result in the offset of reinforcement location, finally reinforcing bar pier nose quality is impacted.

Utility model content

In view of the above shortcomings of the prior art, it is mentioned the technical problem to be solved by the utility model is to how to provide one kind The reinforcing bar of the mobile sync rates of high two pieces of pushing blocks clamps driving structure.

In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:

A kind of reinforcing bar clamps driving structure, and including workbench and on workbench and what left and right was oppositely arranged pushes away Block, pushing block are slidably connected on workbench that can be moved along the longitudinal direction, and the rear of two pieces of pushing blocks, which is provided with, pushes away seat, It pushes away seat to be fixedly connected with two pieces of pushing blocks respectively, pushing away to be recessed with downwards at the top of seat can be such that reinforcing bar to be processed passes through along the longitudinal direction to push away The notch I of seat, the bottom of notch I, which has, to be supported for treating screwing steel bars reinforcing bar to be processed can be made from two pieces of pushing blocks Between the supporting surface I that passes through, on workbench and be located at and push away the rear of seat and be also fixedly connected with fixing seat, at the top of fixing seat downwards Recessed jagged II, notch I is oppositely arranged along the longitudinal direction with notch II, and the bottom of notch II has for treating screwing steel bars The supporting surface II being supported, supporting surface I and supporting surface II are located in same level, on the trailing flank of fixing seat and are located at scarce Mouthful II left and right sides has been respectively fixedly connected with push-and-pull cylinder, push and pull cylinder front end have one can stretch along the longitudinal direction push away Pull rod, push-pull rod are passed through in fixing seat and are fixedly connected with seat is pushed away.

In the present invention, when in use, reinforcing bar to be processed is accordingly passed through by notch I and notch II and is pushed away Seat and fixing seat, make reinforcing bar be placed at the centre of two pushing blocks and be supported to reinforcing bar, and after pushing and pulling cylinder starting, push-pull rod is just Seat can be pushed, as long as after pushing away a stress, it will be able to while two pushing blocks being pushed to move forward, this assures two to push away Mobile sync rates of block, and then during pushing briquetting to clamp reinforcing bar make reinforcing bar two sides simultaneously by chucking power, Avoid the generation of reinforcing bar drift condition.

As optimization, T shape fixture block, the tail of T shape fixture block are provided on the push-pull rod and with the described fixed one end of seat that pushes away Portion is fixedly connected with the push-pull rod, and the center line of T shape fixture block and the center line of the push-pull rod are coaxial arrangement, described to push away seat Position that is upper and respectively corresponding two T shape fixture blocks is provided with the T shape card for extending along the vertical direction and matching with T shape fixture block Slot, the push-pull rod are connected in T shape card slot by T shape fixture block to link together with the seat that pushes away.It is direct by T shape fixture block It is engaged by clamping with T shape card slot, so that push-pull rod is fixed with seat is pushed away, installing and dismounting is more convenient.

As optimization, on the push-pull rod and with the T shape fixture block, fixed one end has been convexed to form and the push-pull rod The connecting rod of coaxial arrangement, the diameter of connecting rod are less than the diameter of the push-pull rod, and it is vertical to be radially provided in connecting rod The threaded hole extended downwardly, the tail portion of the T shape fixture block is coaxially arranged with along its centerline direction can make connecting rod insertion Connecting hole, the depth of connecting hole are greater than the length of connecting rod, and connecting rod is inserted in connecting hole so that the push-pull rod is connected to On the T shape fixture block, on the T shape fixture block and position of corresponding threaded hole has the perforation being connected to connecting hole, the center line of perforation Be coaxial arrangement with the center line of threaded hole, be provided with attachment screw at perforation, the spiro rod section of attachment screw pass through in perforation and It is threaded in threaded hole so that connecting rod is fixed together with the T shape fixture block.T shape fixture block first can be connected to T shape On card slot, then installation pushes and pulls cylinder in fixing seat again, pushes and pulls the push-and-pull cylinder of cylinder directly through alignment T shape fixture block after fixing seat Tail portion is inserted directly into connecting rod after in corresponding connecting hole, and tightening attachment screw can be completed installation, pushes away in this way in installation When scuffing of cylinder bore, it will be able to which the corresponding fixation completed push-pull rod and push away seat makes easier for installation.

As optimization, the connecting rod is far from being fixedly connected with two along its circumferential direction on one end shaft of the push-pull rod Block using the connecting rod axis as the symmetrically arranged fin of symmetry axis, fin be it is horizontally disposed, on the hole wall of the connecting hole and The position of corresponding two pieces of fins, which is respectively arranged with, can make fin insertion and slot engaged therewith.It can be avoided push-pull rod Perforation and threaded hole dislocation, the installation to facilitate attachment screw is limited to it after rotation.

In conclusion two push-and-pull cylinders push away the utility model has the beneficial effects that: the utility model structure is simple Seat provides same thrust for pushing block movement, it is ensured that the sync rates moved after pushing block stress, while two push-and-pull cylinders also ensure To the intensity of steel bar clamping.

Detailed description of the invention

It is practical new to this below in conjunction with attached drawing in order to keep the purposes, technical schemes and advantages of utility model clearer Type is described in further detail, in which:

Fig. 1 is the three dimensional structure diagram of the utility model.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As shown in Figure 1, reinforcing bar in present embodiment clamps driving structure, including workbench 1 and it is located at work On platform 1 and the pushing block 2 being oppositely arranged is controlled, pushing block 2 is slidably connected on workbench 1 that can be moved along the longitudinal direction Dynamic, the rear of two pieces of pushing blocks 2, which is provided with, pushes away seat 3, pushes away seat 3 and is fixedly connected respectively with two pieces of pushing blocks 2, and it is recessed downwards to push away 3 top of seat Having can make reinforcing bar to be processed pass through the notch I 4 for pushing away seat along the longitudinal direction, and the bottom of notch I 4 has for treating screwing steel bars It is supported and pushes away seat 3 can make reinforcing bar to be processed from the supporting surface I passed through between two pieces of pushing blocks 2, workbench 1 and be located at Rear be also fixedly connected with fixing seat 5,5 top of fixing seat downwards recessed jagged II 6, notch I 4 and notch II 6 are along front and back Direction is oppositely arranged, and the bottom of notch II 6 has the supporting surface II being supported for treating screwing steel bars, supporting surface I and branch Support face II is located in same level, has been respectively fixedly connected on the trailing flank of fixing seat 5 and positioned at the left and right sides of notch II 6 Push and pull cylinder 7, the front end of push-and-pull cylinder 7 has a push-pull rod that can stretch along the longitudinal direction, push-pull rod across in fixing seat 5 and It is fixedly connected with seat 3 is pushed away.

In present embodiment, T shape fixture block, T shape are provided on the push-pull rod and with the described fixed one end of seat that pushes away The tail portion of fixture block is fixedly connected with the push-pull rod, and the center line of T shape fixture block and the center line of the push-pull rod are coaxial arrangement, The position for pushing away on seat and respectively corresponding two T shape fixture blocks, which is provided with, to be extended along the vertical direction and matches with T shape fixture block T shape card slot 8, the push-pull rod is connected in T shape card slot 8 by T shape fixture block to link together with the seat that pushes away.

In present embodiment, the one end fixed on the push-pull rod and with the T shape fixture block has convexed to form and institute The connecting rod of push-pull rod coaxial arrangement is stated, the diameter of connecting rod is less than the diameter of the push-pull rod, radially sets in connecting rod It is equipped with the threaded hole extended straight down, the tail portion of the T shape fixture block is coaxially arranged with along its centerline direction can make to connect The connecting hole of bar insertion, the depth of connecting hole are greater than the length of connecting rod, and connecting rod is inserted in connecting hole so that the push-and-pull Bar is connected on the T shape fixture block, and on the T shape fixture block and position of corresponding threaded hole has the perforation being connected to connecting hole, perforation Center line and the center line of threaded hole be coaxial arrangement, be provided with attachment screw at perforation, the spiro rod section of attachment screw passes through In perforating and be threaded in threaded hole so that connecting rod is fixed together with the T shape fixture block.

In present embodiment, the connecting rod on one end shaft of the push-pull rod along its circumferential direction far from fixing Two pieces are connected with using the connecting rod axis as the symmetrically arranged fin of symmetry axis, fin be it is horizontally disposed, the connecting hole On the hole wall and position of corresponding two pieces of fins, which is respectively arranged with, can make fin insertion and slot engaged therewith.

During specific implementation, on the workbench and it is located at two fixed companies in the positions pushed and pulled between cylinder It is connected to mounting seat, the support rod of the setting that extends outwardly along the longitudinal direction is fixedly connected in mounting seat, support rod Axis is located at the lower section of the medium line between two pieces of pushing blocks and setting in parallel, is rotatablely connected on support rod along its axis direction There is a supporting block, multiple arc grooves is respectively arranged with around it using the axis of support rod as the center of circle in supporting block, in multiple arc grooves Heart line is parallel with the center line of support rod, and the section arc radius of each arc groove is all different with straight for laying up The reinforcing bar of diameter size, when supporting block rotates so that corresponding arc groove turns to support rod top, and the center line of this arc groove When being located on same perpendicular with the center line of support rod, the section minimum point of this arc groove and the supporting surface I are located at together In one plane, rotary spacing block is also arranged on support rod and on shaft on the inside of supporting block, rotary spacing block passes through along branch The fixing screws of strut radial direction setting are fixedly connected with support rod, and edge is parallel to support rod axis direction on rotary spacing block It is equipped with slide opening, projection of the slide opening on support rod axis direction is located at supporting block along the projection on support rod axis direction, Limited post is sliding combined with along its axis direction in slide opening, and the length of limited post is less than the length of slide opening, on slide opening inner wall and remote One end from supporting block is provided with internal screw thread along its axis direction, and the end being threadedly engaged with internal screw thread is provided in slide opening, sliding It is provided with to be connected in supporting block for limited post far from one end of end in hole and between end and limited post and provide The spring I of spring force, supporting block are multiple towards being distributed with using the axis of support rod as the center of circle around it on the side side of limited post Location dimples, limited post towards one end of supporting block can be connected in location dimples with to supporting block around support rod rotation into Row limit, when one end of limited post towards supporting block is connected in any one location dimples, is corresponding with an arc groove Center line be located above the center line of support rod and be located on same perpendicular with it.

Supporting block can be rotated in support shaft, and inside extruding is carried out to limited post, make limited post far from support Block, rotational supporting block select corresponding arc groove and reinforcing bar to be processed in supporting block to cooperate；Then limited post, limited post are unclamped It is inserted under the spring-force driven dual of spring in supporting block in corresponding location dimples, this makes it possible to the circles for ensuring to place reinforcing bar The center line of arc slot and the center line of support rod are located on same perpendicular, and reinforcing bar just can be placed on this arc groove, The cambered surface being matched therewith simultaneously can limit reinforcing bar, and reinforcing bar is avoided to shake.Pass through rotational support block, selection in this way Corresponding arc groove carries out rotary spacing using limited post, it will be able to convenient to meet to different size diameter reinforcing bar Support and limit, improve the processing efficiency to reinforcing bar.

One end of the limited post toward the supporting block is integrally conical shape, and the limited post is far from the supporting block One end extend internally along the limited post axis direction and be provided with inner hole, a ball, the bottom hole of inner hole are provided in inner hole For the arc-shaped matched with ball shape, one end that the limited post is located at its round end cone-shaped offers diameter less than ball Diameter and the opening I that ball can be made to be exposed to outside the limited post in inner hole and are located at that be additionally provided on the outside of ball can The tabletting moved along inner hole centreline direction, tabletting and the sealing of inner hole inner wall cooperate, and are provided on the inner side surface of tabletting The arc pit matched with ball shape, the hole bottom of arc pit offer diameter less than ball diameter and ball can be made to reveal For the opening II on the outside of tabletting, it is additionally provided with and can be moved along inner hole centreline direction in inner hole and on the outside of tabletting Dynamic diaphragm seal, diaphragm seal and the sealing of inner hole inner wall cooperate, and seal cavity are formed between diaphragm seal and tabletting, in seal cavity It is filled with lubricant grease, is threaded with plug at the aperture of inner hole, is provided in inner hole and between plug and diaphragm seal One end of spring II, spring II is connected on plug, and the other end is fixedly connected with diaphragm seal, and spring II can be diaphragm seal direction Tabletting direction is mobile to provide spring force, and the location dimples are arc-shaped pit and its concave surface is matched with ball cambered surface.

When supporting block rotation, the ball on limited post rolls in supporting block, and rolling is changed into sliding friction Friction, reduces abrasion, in addition arc-shaped location dimples and ball engagement, can be avoided to supporting block rotary spacing when It waits, supporting block wobble effects occurs and clamps to the processing of reinforcing bar.When needing removes limited post out of location dimples, arcwall face Location dimples cooperate the ball that can roll, ball can easily roll out location dimples, more easily rotational support block To select corresponding arc groove.It is processed for a long time in the reinforcing bar for same format diameter size, or for a long time not It is used in static condition, ball just will appear the phenomenon that getting rusty in limited post, and corrosion can be filled between ball and inner hole Gap location, will result in ball can not roll, so influence limited post from removing in location dimples, cause supporting block to rotate It adjusts difficult.In the present invention, spring acts on diaphragm seal, provides spring towards the movement of tabletting direction for diaphragm seal Power；Due to being filled with lubricant grease in seal cavity, diaphragm seal will transfer the force to lubricant grease, then by lubricant grease Tabletting is passed to, makes tabletting that ball is extruded in inner hole hole bottom, exposes ball part from opening I, it is ensured that ball can It is rolled in supporting block, ball is avoided to bounce back in inner hole；For ball during rolling, corresponding ball is exposed to opening II Part will be contacted with lubricant grease, lubricant grease will be attached on ball, be provided for ball and tabletting and inner hole friction Lubrication keeps ball rotation more flexible, in addition and to ball and tabletting and inner hole protects, it is avoided to occur getting rusty now As；The lubricant grease on ball, which can also transmit, simultaneously is attached on supporting block and location dimples, further decreases it mutually Between the more convenient rotational support block of abrasion carry out selective positioning.Consumption with ball to lubricant grease, sealing Lubricant grease volume is reduced in cavity, and corresponding spring can push diaphragm seal to reduce the volume of seal cavity, and persistently mention For active force to ensure contact of the lubricant grease to ball.When ball does not rotate, ball is stuck in opening I and opening II Place, the active force passed over using spring are yet formed sealing structure, avoid lubricating oil in this way between tabletting and ball The leakage problem of rouge under routine.

On the shaft of the limited post and it is located at the seal cavity close to one end of the tabletting along the limited post Radial direction offers the gas port being connected to the inner hole, the outer surface of the limited post and position for being located at gas port is recessed There is counterbore, counterbore has been embedded in seal rubber block and by seal rubber block to be sealed to gas port.When in seal cavity Lubricant grease runs out of when require supplementation with, and takes out plug, takes out diaphragm seal by pullling spring, then injects in inward hole Lubricant grease.If filling is the biggish grease of some viscosityes, after installing diaphragm seal, possibility will be empty in seal cavity Gas, this partial air just will affect the lubrication of ball.By the way that gas port is arranged, when diaphragm seal is installed, diaphragm seal is pushed Movement can by the air of seal cavity from gas port be discharged, recycle seal rubber block gas port is sealed, it is close Envelope rubber block is located in counterbore, will not impact to sliding of the limited post in slide opening.

It is embedded with support chip on the inner side surface of the seal rubber block, support chip is towards the side of the seal rubber block It is provided with drawstring, one end of drawstring is fixedly connected with support chip, and the other end is passed through in the seal rubber block and stretched out in described On the outside of seal rubber block.By pullling drawstring, support chip is reversely used in seal rubber block, and then can be easily by sealing Rubber block takes out out of counterbore.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although logical The preferred embodiment crossed referring to the utility model has been described the utility model, but those skilled in the art It should be appreciated that various changes can be made to it in the form and details, without departing from the appended claims institute The spirit and scope of the utility model of restriction.

Claims (4)

1. a kind of reinforcing bar clamps driving structure, including workbench and on workbench and pushing block that left and right is oppositely arranged, Pushing block is slidably connected on workbench that can be moved along the longitudinal direction, it is characterised in that: the rear of two pieces of pushing blocks is set It is equipped with and pushes away seat, push away seat and be fixedly connected respectively with two pieces of pushing blocks, pushing away to be recessed with downwards at the top of seat can make reinforcing bar to be processed along front and back Direction passes through the notch I for pushing away seat, and the bottom of notch I, which has, to be supported for treating screwing steel bars can make reinforcing bar to be processed From the supporting surface I passed through between two pieces of pushing blocks, it is also fixedly connected with fixing seat on workbench and positioned at the rear for pushing away seat, it is fixed Seat top downwards recessed jagged II, notch I is oppositely arranged along the longitudinal direction with notch II, and the bottom of notch II, which has, to be used for pair The supporting surface II that reinforcing bar to be processed is supported, supporting surface I and supporting surface II are located in same level, the trailing flank of fixing seat The left and right sides that is upper and being located at notch II has been respectively fixedly connected with push-and-pull cylinder, and the front end for pushing and pulling cylinder can be along front and back with one To flexible push-pull rod, push-pull rod is passed through in fixing seat and is fixedly connected with seat is pushed away.

2. reinforcing bar according to claim 1 clamps driving structure, it is characterised in that: push away seat on the push-pull rod and with described Fixed one end is provided with T shape fixture block, and the tail portion of T shape fixture block is fixedly connected with the push-pull rod, the center line of T shape fixture block and institute The center line of push-pull rod is stated as coaxial arrangement, the position for pushing away on seat and respectively corresponding two T shape fixture blocks is provided with along perpendicular Histogram to extending and the T shape card slot that is matched with T shape fixture block, the push-pull rod by T shape fixture block be connected to T shape card slot it is interior with The seat that pushes away links together.

3. reinforcing bar according to claim 2 clamps driving structure, it is characterised in that: on the push-pull rod and with the T shape The fixed one end of fixture block convexes to form the connecting rod with push-pull rod coaxial arrangement, and the diameter of connecting rod is less than the push-and-pull The diameter of bar is radially provided with the threaded hole extended straight down in connecting rod, and the tail portion of the T shape fixture block is along its center Line direction is coaxially arranged with the connecting hole that connecting rod can be made to be inserted into, and the depth of connecting hole is greater than the length of connecting rod, connecting rod It is inserted in connecting hole so that the push-pull rod is connected on the T shape fixture block, on the T shape fixture block and position of corresponding threaded hole has There is the perforation being connected to connecting hole, the center line of perforation and the center line of threaded hole are coaxial arrangement, are provided with connection at perforation Screw, the spiro rod section of attachment screw are passed through in perforating and be threaded in threaded hole so that connecting rod and the T shape fixture block are solid It is scheduled on together.

4. reinforcing bar according to claim 3 clamps driving structure, it is characterised in that: the connecting rod is far from the push-pull rod One end shaft on along its circumferential direction be fixedly connected with two pieces using the connecting rod axis as the symmetrically arranged fin of symmetry axis, Fin be it is horizontally disposed, on the hole wall of the connecting hole and position of corresponding two pieces of fins is respectively arranged with and fin can be made to be inserted into And slot engaged therewith.