CN208147142U - Synchronization mechanism for bro ad hot strip laser piece welding machine clamp balancing device - Google Patents

Abstract

The utility model discloses a kind of synchronization mechanisms for bro ad hot strip laser piece welding machine clamp balancing device, including：A piece synchronizing shaft and two rack gears, two rack gears are attached separately to the two sides at gantry of caliper, and the synchronizing shaft can be horizontally arranged on top board to rotation, and the both ends of the synchronizing shaft are respectively provided with a gear, and the gear is engaged with the corresponding rack gear；The top surface two sides of the top board are respectively equipped with a bearing block, and two bearing blocks are arranged at an equal altitude, and the synchronizing shaft can be mounted on to rotation in two bearing blocks by bearing.Suitable for welding machine.

Description

Synchronization mechanism for bro ad hot strip laser piece welding machine clamp balancing device

Technical field

It is the utility model relates to welding field, in particular to a kind of for bro ad hot strip laser piece welding machine clamp balance dress The synchronization mechanism set.

Background technique

As China's automobile, bridge, building, household electrical appliances etc. have the fast development of wilderness demand industry, iron and steel enterprise to steel It is also higher and higher to the yield of high standard, high performance-price ratio steel, quality requirements, while the requirement to welding equipment is also increasingly Height, especially laser piece welding machine.

Currently, the gripping mechanism of bro ad hot strip laser piece welding machine both domestic and external generally comprises caliper and top board, caliper Gantry at the top of at least upside-down mounting there are two hydraulic cylinder, the telescopic end of all hydraulic cylinder is connected with top board, presses in Driven by Hydraulic Cylinder Plate moves up and down to clamp strip.This gripping mechanism has the following problems in actual use：

Since top board is at least driven by two hydraulic cylinders simultaneously, so it is difficult to ensure that top board evenly moves up and down, Top board can thus first depressed on one side, another side lag pressure, thus the Guiding machine for easily causing top board to move up and down Structure abrasion, guiding clearance becomes larger, and then causes clamping accuracy serious loss.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies of above-mentioned background technique, provide a kind of for bro ad hot strip laser The synchronization mechanism of piece welding machine clamp balancing device.

In order to achieve the goal above, provided by the utility model a kind of for bro ad hot strip laser piece welding machine clamp balance The synchronization mechanism of device, including：A piece synchronizing shaft and two rack gears, two rack gears are attached separately to the two of gantry of caliper Side, the synchronizing shaft can be horizontally arranged on top board to rotation, and the both ends of the synchronizing shaft are respectively provided with a gear, described Gear is engaged with the corresponding rack gear；The top surface two sides of the top board are respectively equipped with a bearing block, two bearings Seat is arranged at an equal altitude, and the synchronizing shaft can be mounted on to rotation in two bearing blocks by bearing.

By adding the synchronization mechanism of pinion-and-rack structure between gantry and top board, can guarantee in this way hydraulic cylinder it Between synchronization degree, make top board movement more balance；Meanwhile the bearing block fitted bearing that is arranged at an equal altitude by two installs synchronization The small friction rotation of synchronizing shaft can be achieved in axis in this way.

In the above scheme, the rack gear is mounted on described gantry by rack gear mounting base.By rack gear mounting base come Rack gear is installed, the installation of rack gear is on the one hand facilitated in this way, on the other hand facilitates the later maintenance of rack gear.

In the above scheme, two rack gears are arranged at an equal altitude.By being arranged at an equal altitude two rack gears, can install makes in this way With identical two rack gears, cost has been saved.

Technical solution bring beneficial effect provided by the utility model is：

1, by adding the synchronization mechanism of pinion-and-rack structure between gantry and top board, it can guarantee hydraulic cylinder in this way Between synchronization degree, make top board movement more balance；

2, the bearing block fitted bearing being arranged at an equal altitude by two installs synchronizing shaft, and synchronizing shaft small friction can be achieved in this way Rotation；

3, rack gear is installed by rack gear mounting base, the installation of rack gear is on the one hand facilitated in this way, on the other hand facilitates The later maintenance of rack gear；

4, by being arranged at an equal altitude two rack gears, identical two rack gears can be installed and used in this way, have saved cost.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of bro ad hot strip laser piece welding machine clamp balancing device；

Fig. 2 is the local overlooking structural schematic diagram of Fig. 1；

Fig. 3 is the partial profile structure of Fig. 1；

Fig. 4 is another partial profile structure of Fig. 1；

Fig. 5 is the structural schematic diagram for buffering bindiny mechanism；

Fig. 6 is the structural schematic diagram of synchronization mechanism；

Fig. 7 is the side structure schematic view of Fig. 6；

Fig. 8 is the structural schematic diagram of guiding mechanism；

Fig. 9 is the local axis side structure schematic diagram of bro ad hot strip laser piece welding machine clamp balancing device.

In figure, caliper 1, gantry 1a, top board 2, hydraulic cylinder 3, buffering bindiny mechanism 4, circle hole groove 4a, spherical cushion block 4b, First half a month snap-gauge 4c, synchronization mechanism 5, synchronizing shaft 5a, rack gear 5b, gear 5c, bearing block 5d, bearing 5e, rack gear mounting base 5f, Guiding mechanism 6, guiding axis 6a, guide sleeve 6b, upper press cover 6c, lower cover 6d, fixed filler 6e, the second half a month snap-gauge 6f, on Graphite copper sheathing 6g, spacer 6h, lower graphite copper sheathing 6i, dustband 6j.

Specific embodiment

It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type embodiment is described in further detail.

Embodiment 1：

As shown in fig. 6, present embodiments providing a kind of for the same of bro ad hot strip laser piece welding machine clamp balancing device Mechanism is walked, including：A piece synchronizing shaft 5a and two rack gears 5b, two rack gear 5b are attached separately to the two of gantry 1a of caliper 1 Side, the synchronizing shaft 5a can be horizontally arranged to rotation on top board 2, and the both ends of the synchronizing shaft 5a are respectively provided with a gear 5c, the gear 5c are engaged with the corresponding rack gear 5b；The top surface two sides of the top board 2 are respectively equipped with a bearing block 5d, two bearing block 5d are arranged at an equal altitude, and the synchronizing shaft 5a can be mounted on to rotation two bearings by bearing 5e In seat 5d.By adding the synchronization mechanism 5 of pinion-and-rack structure between gantry 1a and top board 2, can guarantee so hydraulic Synchronization degree between cylinder 3 balances the movement of top board 2 more；Meanwhile the bearing block 5d fitted bearing 5e being arranged at an equal altitude by two Synchronizing shaft 5a is installed, synchronizing shaft 5a small friction rotation can be achieved in this way.

Above-mentioned rack gear 5b is mounted on gantry 1a by rack gear mounting base 5f.Tooth is installed by rack gear mounting base 5f On the one hand 5b, facilitates the installation of rack gear 5b in this way, on the other hand facilitates the later maintenance of rack gear 5b.Two rack gears 5b is arranged at an equal altitude.By being arranged at an equal altitude two rack gear 5b, identical two rack gear 5b can be installed and used in this way, saved at This.

The present embodiment between gantry 1a and top board 2 by adding the synchronization mechanism 5 of pinion-and-rack structure, such energy Guarantee the synchronization degree between hydraulic cylinder 3, balances the movement of top board 2 more；The bearing block 5d fitted shaft being arranged at an equal altitude by two 5e is held to install synchronizing shaft 5a, the small friction rotation of synchronizing shaft 5a can be achieved in this way；Rack gear 5b is installed by rack gear mounting base 5f, The installation on the one hand facilitating rack gear 5b in this way, on the other hand facilitates the later maintenance of rack gear 5b；By by two rack gear 5b It is arranged at an equal altitude, identical two rack gear 5b can be installed and used in this way, saved cost.

Embodiment 2：

As shown in Figure 1, a kind of bro ad hot strip laser piece welding machine clamp balancing device is present embodiments provided, including：Pincers Body 1 and top board 2, there are two hydraulic cylinder 3, the telescopic end of the hydraulic cylinder 3 is logical for the top gantry 1a at least upside-down mounting of the caliper 1 It crosses buffering bindiny mechanism 4 to be connected with the top board 2, the buffering bindiny mechanism 4 includes being arranged on 2 top surface of top board Circle hole groove 4a, spherical cushion block 4b, the first half a month snap-gauge 4c and the first clamping being arranged on the telescopic end of the hydraulic cylinder 3 Slot, the aperture of the circle hole groove 4a are greater than the outer diameter of the spherical cushion block 4b, the depth and the ball pad of the circle hole groove 4a The height of block 4b matches, and the spherical shape cushion block 4b is mounted in the circle hole groove 4a, a pair of first half a month snap-gauge 4c card In first clamping groove and the first half a month snap-gauge 4c is fixedly mounted on corresponding position on the top board 2, institute It states the first half a month snap-gauge 4c and vertically limits the spherical shape cushion block 4b and be fitted in the circle hole groove 4a, the hydraulic cylinder 3 is stretched Contracting end end is the spherical surface matched with the spherical shape cushion block 4b；Synchronous machine is equipped between gantry 1a and the top board 2 Structure 5, the synchronization mechanism 5 include that a synchronizing shaft 5a and two rack gears 5b, two rack gear 5b are attached separately to described gantry The two sides of 1a, the synchronizing shaft 5a can be horizontally arranged to rotation on the top board 2, and the both ends of the synchronizing shaft 5a fill respectively There are gear a 5c, the gear 5c to engage with the corresponding rack gear 5b.

By adding buffering bindiny mechanism 4 between the telescopic end of hydraulic cylinder 3 and top board 2, in this way, due to circle hole groove 4a Aperture be greater than spherical cushion block 4b outer diameter and the depth of circle hole groove 4a it is consistent with the height of spherical cushion block 4b, so spherical shape cushion block 4b can do horizontal plane motion in circle hole groove 4a, to play buffer function, can be effectively prevented top board 2 in unbalanced shifting Hydraulic cylinder 3 is caused to damage when dynamic；Meanwhile by the way that the telescopic end end of hydraulic cylinder 3 is designed as matching with spherical shape cushion block 4b Spherical surface, cooperate between the telescopic end of the hydraulic cylinder 3 of such spherical structure and the first half a month snap-gauge 4c, hydraulic cylinder 3 can be made Telescopic end and spherical cushion block 4b between to be flexibly connected, so as to further play buffer function；Moreover, by gantry The synchronization mechanism 5 that pinion-and-rack structure is added between 1a and top board 2 can guarantee the synchronization degree between hydraulic cylinder 3 in this way, make The movement of top board 2 more balances；Finally, on the one hand the half a month snap-gauge of design can play the telescopic end for installing connection liquid cylinder pressure 3 With the effect of top board 2, on the other hand can also play the role of vertically limiting spherical cushion block 4b.

The spherical end of the telescopic end of above-mentioned hydraulic cylinder 3 and the spherical cushion block 4b sliding contact.By by hydraulic cylinder 3 It is designed as sliding friction between the spherical end of telescopic end and spherical cushion block 4b, is conducive to the ball of the telescopic end of hydraulic cylinder 3 in this way Relative motion between face end and spherical cushion block 4b.The first half a month snap-gauge 4c is fixedly mounted on the upper pressure by screw Corresponding position on plate 2.

The top surface two sides of above-mentioned top board 2 are respectively equipped with a bearing block 5d, and two bearing block 5d are arranged at an equal altitude, institute Stating synchronizing shaft 5a can be mounted on to rotation in two bearing block 5d by bearing 5e.The bearing block being arranged at an equal altitude by two 5d fitted bearing 5e installs synchronizing shaft 5a, and synchronizing shaft 5a small friction rotation can be achieved in this way.The rack gear 5b is pacified by rack gear Dress seat 5f is mounted on gantry 1a, and two rack gear 5b are arranged at an equal altitude.Rack gear 5b is installed by rack gear mounting base 5f, The installation on the one hand facilitating rack gear 5b in this way, on the other hand facilitates the later maintenance of rack gear 5b.

Guiding mechanism 6 is equipped between above-mentioned gantry 1a and the top board 2, the guiding mechanism 6 includes mutually matched Guiding axis 6a and guide sleeve 6b, the guiding axis 6a are vertically installed on the top surface of the top board 2, the guide sleeve 6b suit On the guiding axis 6a, the position that the top of gantry 1a corresponds to the guiding axis 6a is equipped with for installing the guide sleeve The guide sleeve mounting hole of 6b, the internal diameter of the guide sleeve mounting hole are greater than the outer diameter of the guide sleeve 6b, and the guide sleeve 6b is by dividing The upper press cover 6c and lower cover 6d for not being mounted on guide sleeve mounting hole both ends are mounted in the guide sleeve mounting hole, the guide sleeve Filled with fixed filler 6e between the inner wall of mounting hole and the outer wall of the guide sleeve 6b.The guiding mechanism 6 added improves The stationarity that top board 2 moves up and down；Meanwhile by the way that the internal diameter of guide sleeve mounting hole to be designed to the outer diameter greater than guide sleeve 6b, And fixed filler 6e is filled between the inner wall of guide sleeve mounting hole and the outer wall of guide sleeve 6b to fix guide sleeve mounting hole and lead On the one hand relative position between set 6b, greatly reduces the installation difficulty of guiding axis 6a and guide sleeve 6b in this way, another Aspect can also greatly reduce the outer wall of guide sleeve 6b and the machining accuracy of guide sleeve mounting hole.It is set on the top surface of the top board 2 There is the guiding shaft mounting hole for installing the guiding axis 6a, the lower end of the guiding axis 6a is equipped with the second clamping groove, described to lead It is inserted into the guiding shaft mounting hole to the lower end of axis 6a, and is installed with a pair of second half a month snap-gauge in second clamping groove 6f, the second half a month snap-gauge 6f are fixedly mounted on corresponding position on the top board 2.Guiding is installed by half a month snap-gauge On the one hand axis 6a, facilitates the installation of guiding axis 6a in this way, on the other hand facilitate the later maintenance of guiding axis 6a.

Graphite copper sheathing 6g, spacer 6h and lower graphite copper sheathing 6i are successively arranged in above-mentioned guide sleeve 6b from top to bottom, it is described The internal diameter of upper graphite copper sheathing 6g, the spacer 6h and the lower graphite copper sheathing 6i are matched with the outer diameter of the guiding axis 6a, The outer diameter of the upper graphite copper sheathing 6g, the spacer 6h and the lower graphite copper sheathing 6i match with the internal diameter of the guide sleeve 6b It closes.By the way that graphite copper sheathing is designed to two parts up and down, the size of graphite copper sheathing can be greatly reduced in this way, to greatly reduce Cost.Dustband 6j is equipped between the upper graphite copper sheathing 6g and the upper press cover 6c.The dustband 6j added can be effectively Prevent dust from entering, to improve service life.The quantity of the guiding mechanism 6 is two, and two guiding mechanisms 6 divide It is not arranged in the two sides of 2 top surface of top board, the fixed filler 6e is fastening glue.

When installation, position of the top board 2 relative to caliper 1 is first adjusted, while adjusting the verticality of guiding axis 6a, adjusted High-intensitive fastening is injected in the whole good rear gap between the inner wall of the guide sleeve mounting hole and the outer wall of the guide sleeve 6b Glue, after fastening glue solidification, the guide sleeve 6b in guide sleeve mounting hole is firmly fixed on gantry 1a of caliper 1, installs simple side Just, the depth of parallelism requirement of two sets of guiding axis 6a and had so not only been met, but also has reduced the required precision of machining, to reduce Processing cost.

The present embodiment buffers bindiny mechanism 4 by adding between the telescopic end of hydraulic cylinder 3 and top board 2, in this way, due to The aperture of circle hole groove 4a is greater than the outer diameter of spherical cushion block 4b and the depth of circle hole groove 4a is consistent with the height of spherical cushion block 4b, so Spherical cushion block 4b can do horizontal plane motion in circle hole groove 4a, to play buffer function, can be effectively prevented top board 2 not Balance it is mobile when hydraulic cylinder 3 is caused to damage；By the way that the telescopic end end of hydraulic cylinder 3 is designed as matching with spherical shape cushion block 4b The spherical surface of conjunction cooperates between the telescopic end of the hydraulic cylinder 3 of such spherical structure and the first half a month snap-gauge 4c, can make hydraulic cylinder To be flexibly connected between 3 telescopic end and spherical cushion block 4b, so as to further play buffer function；By gantry 1a with The synchronization mechanism 5 that pinion-and-rack structure is added between top board 2 can guarantee the synchronization degree between hydraulic cylinder 3 in this way, make pressure The movement of plate 2 more balances；On the one hand the half a month snap-gauge of design can play telescopic end and top board 2 for installing connection liquid cylinder pressure 3 Effect, on the other hand can also play the role of vertically limiting spherical cushion block 4b；By by the sphere end of the telescopic end of hydraulic cylinder 3 It is designed as sliding friction between head and spherical cushion block 4b, is conducive to the spherical end and ball pad of the telescopic end of hydraulic cylinder 3 in this way Relative motion between block 4b；The bearing block 5d fitted bearing 5e that is arranged at an equal altitude by two installs synchronizing shaft 5a, in this way may be used Realize the small friction rotation of synchronizing shaft 5a；Rack gear 5b is installed by rack gear mounting base 5f, on the one hand facilitates rack gear 5b's in this way Installation, on the other hand facilitates the later maintenance of rack gear 5b；

In addition, the guiding mechanism 6 added improves the stationarity that top board 2 moves up and down；By by guide sleeve mounting hole Internal diameter is designed to the outer diameter greater than guide sleeve 6b, and fills and fix between the inner wall of guide sleeve mounting hole and the outer wall of guide sleeve 6b On the one hand filler 6e greatly reduces guiding axis come the relative position fixed between guide sleeve mounting hole and guide sleeve 6b in this way On the other hand the installation difficulty of 6a and guide sleeve 6b can also greatly reduce the processing of the outer wall and guide sleeve mounting hole of guide sleeve 6b Precision；Guiding axis 6a is installed by half a month snap-gauge, the installation of guiding axis 6a is on the one hand facilitated in this way, on the other hand facilitates The later maintenance of guiding axis 6a；By the way that graphite copper sheathing is designed to two parts up and down, the ruler of graphite copper sheathing can be greatly reduced in this way It is very little, to greatly reduce cost；The dustband 6j added can be effectively prevented dust entrance, to improve using the longevity Life.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (3)

1. a kind of synchronization mechanism for bro ad hot strip laser piece welding machine clamp balancing device, which is characterized in that including：One Synchronizing shaft (5a) and two rack gears (5b), two rack gears (5b) are attached separately to the two sides at gantry (1a) of caliper (1), described Synchronizing shaft (5a) can be horizontally arranged to rotation on top board (2), and the both ends of the synchronizing shaft (5a) are respectively provided with a gear (5c), the gear (5c) are engaged with the corresponding rack gear (5b)；The top surface two sides of the top board (2) are respectively equipped with one Bearing block (5d), two bearing blocks (5d) are arranged at an equal altitude, and the synchronizing shaft (5a) can be installed to rotation by bearing (5e) In two bearing blocks (5d).

2. being used for the synchronization mechanism of bro ad hot strip laser piece welding machine clamp balancing device, feature as described in claim 1 It is, the rack gear (5b) is mounted on described gantry (1a) by rack gear mounting base (5f).

3. being used for the synchronization mechanism of bro ad hot strip laser piece welding machine clamp balancing device, feature as described in claim 1 It is, two rack gears (5b) are arranged at an equal altitude.