CN118305523A

CN118305523A - Knife hammer type grinding disc positioning welding device

Info

Publication number: CN118305523A
Application number: CN202410733784.2A
Authority: CN
Inventors: 张千
Original assignee: Shandong Anhe Machinery Technology Co ltd
Current assignee: Shandong Anhe Machinery Technology Co ltd
Priority date: 2024-06-07
Filing date: 2024-06-07
Publication date: 2024-07-09
Anticipated expiration: 2044-06-07
Also published as: CN118305523B

Abstract

The invention relates to the technical field of fixed-position welding, in particular to a cutter hammer type grinding disc fixed-position welding device which comprises a bottom plate, a lifting plate, a clamping mechanism and a placing unit. According to the invention, the two inner supporting plates are mutually matched to hold the inner part of the grinding disc in a stretching manner in the left-right direction through the downward movement of the lifting plate, the two outer clamping plates are mutually matched to hold and limit the outer part of the grinding disc in the front-back direction, and the two limiting clamping devices are used for ensuring the axis of the grinding disc to be collinear with the axis of the rotating cylinder, so that the accuracy of subsequent welding of rib plates and the stability of the grinding disc in the welding process are ensured, the influence on the connection strength caused by the deviation of the grinding disc from the designated position is avoided, and meanwhile, the grinding disc is pressed on the annular plate by the lower pressing plate to further limit the grinding disc, so that the axis of the grinding disc is in a vertical orientation, and the subsequent circumferential welding of a plurality of rib plates is facilitated.

Description

Knife hammer type grinding disc positioning welding device

Technical Field

The invention relates to the technical field of fixed-position welding, in particular to a cutter hammer type grinding disc fixed-position welding device.

Background

The utility model provides a sword hammer type metal mill is a common metal working tool, and the during operation high-speed rotation makes its bottom abrasive brick exert an effect on the metal surface, realizes cutting grinding and the removal of metal, is commonly used for polishing, grinding the metal surface and get rid of impurity or the oxide on metal surface, and the mill mainly includes the disc part of upper end and lower extreme (see fig. 9), and wherein the mill overall strength demand is great when carrying out the operation, so a plurality of circumference evenly distributed's floor of welding between disc part and the sleeve part of mill to this increases the overall strength of sword hammer type mill.

At present, in the process of welding rib plates, firstly, a triangular rib plate is placed between a disc part and a sleeve part of a grinding disc, the rib plates are clung to the disc part and the sleeve part, then a worker uses welding equipment (such as a welding gun) to weld the joint between the rib plates and the grinding disc, and the following problems exist in the welding mode: 1. need fix the mill before the welding floor, avoid the mill to rock and influence whole welding process, lead to the joint strength between floor and the mill to be difficult to satisfy the demand, if the mill does not obtain abundant spacing centre gripping still can lead to the holistic axis of mill to deviate from vertical state, still need frequent adjustment position when welding everywhere floor on the mill, whole operation step is loaded down with trivial details, and efficiency is lower.

2. In the process of placing the rib plate, the rib plate is difficult to ensure close fit with the disc part and the sleeve part of the millstone, so that subsequent welding is difficult to perform, or the connection strength between the rib plate and the millstone after welding is low.

Disclosure of Invention

Based on this, it is necessary to provide a knife hammer type grinding disc positioning welding device, which aims to solve the problems in the prior art.

The application provides a cutter hammer type grinding disc positioning welding device, which comprises: the annular plate is fixedly arranged on the bottom plate through two connecting columns which are symmetrical front and back and have vertical axes, a plurality of positioning columns which are uniformly distributed in the circumferential direction are fixedly arranged on the upper end face of the annular plate, annular grooves with the axes collinear with the axes of the annular plate are formed in the bottom plate, two side plates which are symmetrical left and right are arranged in the annular grooves in a sliding mode through an electric sliding block, and lifting plates are arranged between the two side plates in a sliding mode in a sharing mode.

The clamping mechanism is arranged between the bottom plate and the lifting plate, the clamping mechanism for clamping and limiting the grinding disc is arranged on the lower end face of the lifting plate, a placing unit for placing the rib plate on the grinding disc is arranged on the lower end face of the lifting plate, and welding equipment for welding the rib plate and the grinding disc is arranged on the lifting plate.

The clamping mechanism comprises an inner supporting plate, two inner supporting plates which are bilaterally symmetrical and arc-shaped are arranged on the bottom plate in a sliding mode, two outer clamping plates which are bilaterally symmetrical and arc-shaped are arranged on the upper end face of the bottom plate in a front-back sliding mode, a lower pressing plate is arranged on the lower end face of the lifting plate in a sliding mode through a lifting column with a vertical axis, a driving unit is arranged between the lower pressing plate and the bottom plate, the driving unit comprises a first driving group, and a first driving group for driving the two inner supporting plates to open the grinding disc inwards and driving the two outer clamping plates to clamp the grinding disc externally is arranged on the bottom plate.

According to an advantageous embodiment, the first driving set comprises a rotating cylinder, the upper end face of the bottom plate is rotatably provided with a rotating cylinder with an axis collinear with the axis of the annular groove, a transmission gear is fixedly sleeved on the rotating cylinder, the inner supporting plate is fixedly provided with a first rack plate meshed with the transmission gear, the two first rack plates are centrally symmetrical with respect to the axis of the rotating cylinder, the upper end face of the first rack plate is rotatably provided with a swinging strip through a connecting column, and the other end of the swinging strip is hinged with the corresponding outer clamping plate.

According to an advantageous embodiment, the driving unit further comprises a spring rod, the lower end face of the lower pressing plate is fixedly provided with a spring rod with an axis collinear with the axis of the rotating cylinder, the lower end face of the spring rod is fixedly provided with a driving column, the inner cavity of the rotating cylinder is provided with a spiral groove, the driving column is fixedly provided with a cylinder matched with the spiral groove, and a first spring sleeved on the lifting column is fixedly arranged between the lower pressing plate and the lifting plate.

According to an advantageous embodiment, the up end of bottom plate is fixed through two multistage telescopic links that fore-and-aft symmetry and axis are vertical and is provided with down the clamping ring, and circumference groove has been seted up to the up end of lower clamping ring, and circumference groove slides and is provided with circumference piece, through fixed column fixed connection between week Xiang Kuai and the lifter plate, and the interior ring face of lower clamping ring is provided with the reinforcement group with outer grip block one-to-one, also is provided with the reinforcement group with interior fagging one-to-one on the holding down plate, including the reinforcement post in the reinforcement group, the reinforcement groove mutually supporting with the reinforcement post has all been seted up to the up end of outer grip block and interior fagging, and the upper end of reinforcement groove is through the chamfer processing.

According to an advantageous embodiment, the reinforcement set further comprises a placement plate, the placement plate is fixedly arranged on the inner ring surface of the lower pressing ring, a sliding plate is slidably arranged on the lower end surface of the placement plate, and the reinforcement column is fixedly arranged on the lower end surface of the sliding plate.

According to an advantageous embodiment, the upper end face of the placing plate is provided with locking holes, the upper end face of the sliding plate is provided with a plurality of matching holes which are arranged in a front-back equidistant mode, and bolts which are matched with the corresponding matching holes are inserted into the locking holes.

According to an advantageous embodiment, place the unit and include the sideslip board, the lower terminal surface side-to-side sliding of lifter plate is provided with the sideslip board of T shape, the horizontal segment slip of sideslip board runs through and has two front and back symmetry and axis from last lower pressure post that extends down, the lower terminal surface of two lower pressure posts is fixed jointly and is provided with the rectangular plate, the spring second of cover on the lower pressure post is fixed jointly to be provided with between rectangular plate and the sideslip board, the upper end face front and back slip of rectangular plate runs through and has two front and back symmetry's slider, the lower terminal surface of slider is fixed and is provided with the grip block, the up end of rectangular plate is provided with drive gear through the axis of rotation, fixedly on the slider be provided with drive gear intermeshing's rack board second, and two rack boards second are symmetrical about axis of rotation center.

According to an advantageous embodiment, the lower end face of the rectangular plate is fixedly provided with two engaging blocks distributed left and right, and the lower end face of each engaging block is inclined upwards from right to left.

According to an advantageous embodiment, the lower end face of the lifting plate is fixedly provided with a fixed block positioned on the right side of the transverse moving plate, the fixed block is rotatably provided with a threaded shaft with an axis extending from left to right, the threaded shaft penetrates through the transverse moving plate and is in threaded fit with the transverse moving plate, and the threaded shaft is provided with a second driving group.

According to an advantageous embodiment, the driving set comprises a rack plate three, the left end face of the side plate on the right side is fixedly provided with a rack plate three penetrating through the lifting plate, a rotating gear meshed with the rack plate three is fixedly sleeved on the right side part of the threaded shaft positioned on the fixed block, and a scroll spring positioned on the left side of the fixed block is fixedly arranged between the threaded shaft and the fixed block.

In summary, the present invention includes at least one of the following beneficial effects: 1. according to the invention, through the downward movement of the lifting plate and the cooperation between the cylinder and the spiral groove, the two inner supporting plates are mutually matched to hold the inside of the grinding disc open in the left-right direction, meanwhile, the two outer clamping plates are mutually matched to hold and limit the outside of the grinding disc in the front-back direction, the two limiting clamping in different directions ensure that the axis of the grinding disc is collinear with the axis of the rotating cylinder, the accuracy in subsequent welding of rib plates is ensured, the stability of the grinding disc in the subsequent welding process is improved, the grinding disc is prevented from deviating from a designated position to affect the connection strength, the grinding disc is pressed on the annular plate by the lower pressing plate, and the grinding disc is further limited and fixed, so that the axis of the grinding disc is in a vertical orientation, and a plurality of rib plates are convenient for subsequent rapid circumferential welding.

2. According to the invention, the lower pressing plate drives the corresponding reinforcing columns to move downwards into the corresponding reinforcing grooves through the placing plate and the sliding plate, the lower pressing ring drives the reinforcing columns on the lower pressing plate to also be inserted into the corresponding reinforcing grooves, and the limit action on the grinding disc is enhanced through the insertion fit between the reinforcing columns and the reinforcing grooves, so that the alignment of the axis of the grinding disc and the axis of the rotating cylinder is further ensured, and the accuracy of subsequent rib plate welding is improved.

3. According to the invention, the elastic force generated by compression deformation of the second spring enables the fit block to be tightly attached to the inclined surface of the rib plate, the lifting plate continuously moves downwards to enable the acting force of the second spring on the fit block to be increased, the rib plate is tightly attached to the disc part of the sleeve, meanwhile, the rib plate is enabled to be close to the sleeve part of the millstone through the fit between the inclined surface of the fit block and the inclined surface of the rib plate, the rib plate is tightly attached to the sleeve part, the transverse moving plate is enabled to be close to the sleeve through the threaded fit between the threaded shaft and the transverse moving plate, the rib plate is enabled to be tightly attached to the sleeve part of the millstone through the double guarantee, and the problem that welding cannot be carried out or poor welding strength caused by overlarge gaps between the rib plate and the millstone is avoided.

4. According to the invention, the grinding disc is circumferentially clamped by the clamping mechanism, meanwhile, the grinding disc is limited on the annular plate, then the rib plates to be welded are placed in the welding area by the placing unit, the rib plates are tightly attached to the grinding disc and then welded, after the welding of the single rib plate is completed, the side plate drives the placing unit to move to the next welding position, and the grinding disc is limited and fixed in the process, so that the position of the grinding disc is not required to be regulated every time the rib plates are welded, the whole operation steps are simple, the operation is convenient, and the working efficiency in the whole welding process is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic structural diagram of a knife hammer type grinding disc positioning and welding device according to an embodiment of the invention.

Fig. 2 shows a schematic perspective view of a lifting plate, an annular plate and a lower pressure plate according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view illustrating a structure among a fixing post, an outer clamping plate and an inner supporting plate according to an embodiment of the present invention.

Fig. 4 shows an enlarged view at a in fig. 3 provided in accordance with an embodiment of the present invention.

Fig. 5 shows a schematic perspective view of the structure between the outer clamping plate, the inner supporting plate and the swinging strip according to the embodiment of the invention.

Fig. 6 shows an enlarged view at B in fig. 5 provided in accordance with an embodiment of the present invention.

Fig. 7 is a schematic perspective view showing a partial structure among a traverse plate, a threaded shaft and a rectangular plate according to an embodiment of the present invention.

Fig. 8 shows a schematic perspective view of a rectangular plate, a fitting block and a clamping block according to an embodiment of the present invention.

Fig. 9 shows a schematic perspective view of a structure between a grinding disc and a rib plate according to an embodiment of the invention.

Wherein the above figures include the following reference numerals: 1. a bottom plate; 2. an annular plate; 3. positioning columns; 4. an annular groove; 5. a side plate; 6. a lifting plate; 7. a clamping mechanism; 70. an inner support plate; 71. an outer clamping plate; 72. a lower pressing plate; 73. a driving unit; 730. driving a first group; 7300. a rotating cylinder; 7301. a transmission gear; 7302. rack plate I; 7303. a swinging bar; 740. a spring rod; 7400. a drive column; 7401. a spiral groove; 7402. a cylinder; 7403. a first spring; 750. a lower pressing ring; 7500. a circumferential groove; 7501. fixing the column; 760. reinforcing the group; 7600. reinforcing the column; 7601. placing a plate; 7602. a sliding plate; 7603. a locking hole; 7604. a mating hole; 8. a placement unit; 80. a transverse moving plate; 81. pressing down a column; 82. a rectangular plate; 83. a second spring; 84. a clamping block; 85. a drive gear; 86. rack plate II; 87. a fitting block; 88. a fixed block; 880. a threaded shaft; 89. a second driving group; 890. rack plate III; 891. rotating the gear; 892. a spiral spring; 9. welding equipment.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1 and 2, a knife hammer type grinding disc positioning welding device includes: the bottom plate 1, the fixed annular plate 2 that is provided with of spliced pole through two fore-and-aft symmetries and the vertical axis on the bottom plate 1, the up end of annular plate 2 is fixed to be provided with a plurality of circumference evenly distributed's reference column 3, offer the ring channel 4 of axis and annular plate 2 axis collineation on the bottom plate 1, be provided with two bilateral symmetry's curb plate 5 through electronic slider slip in the ring channel 4, the sharing is provided with lifter plate 6 from top to bottom between two curb plate 5, lifter plate 6 is by outside pneumatic cylinder (not shown in the figure) drive and reciprocates.

Clamping mechanism 7, be provided with jointly between bottom plate 1 and the lifter plate 6 and be used for carrying out spacing clamping mechanism 7 of centre gripping to the mill, the lower terminal surface of lifter plate 6 is provided with and is used for placing the floor on the mill place unit 8, be provided with on the lifter plate 6 and be used for carrying out welded welding equipment 9 to floor and mill, welding equipment 9 includes current laser welding head that is used for the welding.

During operation, the mill that needs the welding floor is placed on annular plate 2 at first to make reference column 3 pass the corresponding through-hole on the mill, accomplish the preliminary location to the mill, outside pneumatic cylinder work makes lifter plate 6 move down and as the drive of fixture 7 operation, fixture 7 work is spacing to the mill and the sleeve on it centre gripping, make the axis of mill and the axis collineation of annular plate 2, place unit 8 work and place the floor that needs to weld on the mill afterwards, welding equipment 9 welds afterwards, electric slider work drives curb plate 5 and moves to next position department and repeatedly place the floor and weld after the welding is accomplished, accomplish the welding operation to the mill.

As shown in fig. 1, fig. 2, fig. 3 and fig. 5, the clamping mechanism 7 comprises an inner supporting plate 70, two inner supporting plates 70 which are bilaterally symmetrical and arc-shaped are arranged on the bottom plate 1 in a sliding manner, two outer clamping plates 71 which are bilaterally symmetrical and arc-shaped are arranged on the upper end surface of the bottom plate 1 in a sliding manner, a lower pressing plate 72 is arranged on the lower end surface of the lifting plate 6 in a sliding manner through a lifting column with a vertical axis, a driving unit 73 is arranged between the lower pressing plate 72 and the bottom plate 1, the driving unit 73 comprises a first driving group 730, and a first driving group 730 for driving the two inner supporting plates 70 to open the grinding disc internally and driving the two outer clamping plates 71 to clamp the grinding disc externally is arranged on the bottom plate 1.

As shown in fig. 2, 3 and 5, the first driving unit 730 includes a rotating cylinder 7300, the upper end surface of the bottom plate 1 is rotatably provided with a rotating cylinder 7300 whose axis is collinear with the axis of the annular groove 4, a transmission gear 7301 is fixedly sleeved on the rotating cylinder 7300, a rack plate first 7302 which is meshed with the transmission gear 7301 is fixedly provided on the inner supporting plate 70, and the two rack plates first 7302 are centrally symmetrical with respect to the axis of the rotating cylinder 7300, the upper end surface of the rack plate first 7302 is rotatably provided with a swinging bar 7303 through a connecting column, and the other end of the swinging bar 7303 is hinged with the corresponding outer clamping plate 71.

As shown in fig. 2,3 and 4, the driving unit 73 further includes a spring rod 740, a spring rod 740 with an axis collinear with the axis of the rotating cylinder 7300 is fixedly disposed on the lower end surface of the lower pressing plate 72, a driving column 7400 is fixedly disposed on the lower end surface of the spring rod 740, a spiral groove 7401 is disposed in the inner cavity of the rotating cylinder 7300, a cylinder 7402 matching with the spiral groove 7401 is fixedly disposed on the driving column 7400, and a first spring 7403 sleeved on the lifting column is fixedly disposed between the lower pressing plate 72 and the lifting plate 6.

During operation, the mill is firstly flatly placed on the annular plate 2 in a sleeve-up state, the two inner supporting plates 70 penetrate through the sleeve-up of the mill, the annular plate 2 supports the mill, and the positioning column 3 on the annular plate 2 penetrates through the through hole at the corresponding position on the mill in the process of placing the mill, so that preliminary limiting fixation is carried out on the mill, and the follow-up clamping mechanism 7 is convenient to clamp and limit.

After that, the outside hydraulic cylinder works to enable the lifting plate 6 to move downwards, the lifting plate 6 drives the lifting column and the lower pressing plate 72 to move downwards synchronously, the lower pressing plate 72 drives the spring rod 740 and the driving column 7400 on the lower pressing plate to move downwards synchronously, the driving column 7400 and the cylinder 7402 enter the spiral groove 7401, the spring rod 740 deforms along with the continuous downward movement of the lower pressing plate 72, the elastic force generated by the deformation of the spring rod 740 enables the driving column 7400 to move downwards continuously, the rotating cylinder 7300 rotates through the cooperation between the cylinder 7402 and the spiral groove 7401, the rotating cylinder 7300 drives the transmission gear 7301 on the rotating cylinder 7300 to rotate synchronously, the first gear plate 7302 and the second gear plate 7302 drives the corresponding inner supporting plate 70 to move synchronously, the first gear plate 7302 and the second gear plate 7302 drive the corresponding outer clamping plate 71 to move horizontally along with the continuous downward movement of the lower pressing plate 72, the two outer clamping plates 71 are close to each other, the two outer clamping plates are prevented from being welded together in the same direction as the two outer clamping plates 71, and the two outer clamping plates are prevented from being welded together in the same direction, and the welding position of the two outer clamping plates are prevented from being influenced by the welding precision, and the welding precision of the welding process of the two outer clamping plates is guaranteed, and the welding precision of the welding precision is guaranteed.

The lower pressure plate 72 stops moving after contacting with the sleeve, the first spring 7403 is compressed along with the continuous downward movement of the lifting plate 6, the lower pressure plate 72 presses the sleeve of the millstone downwards under the action of elasticity generated by compression deformation of the first spring 7403, limit control in the vertical direction is carried out on the millstone, the stability of the millstone in the subsequent welding process is further improved, and the influence of the subsequent rib plate placement process on the millstone position is reduced.

As shown in fig. 3, fig. 5 and fig. 6, the upper end surface of the bottom plate 1 is fixedly provided with a lower pressing ring 750 through two multistage telescopic rods which are symmetrical front and back and have vertical axes, a circumferential groove 7500 is formed in the upper end surface of the lower pressing ring 750, a circumferential block is slidably arranged in the circumferential groove 7500, the circumference Xiang Kuai is fixedly connected with the lifting plate 6 through a fixing column 7501, a reinforcing group 760 corresponding to the outer clamping plates 71 one by one is arranged on the inner ring surface of the lower pressing ring 750, reinforcing groups 760 corresponding to the inner supporting plates 70 one by one are also arranged on the lower pressing plate 72, reinforcing columns 7600 are included in the reinforcing groups 760, reinforcing grooves matched with the reinforcing columns 7600 are formed in the upper end surfaces of the outer clamping plates 71 and the inner supporting plates 70, and the upper ends of the reinforcing grooves are subjected to chamfering treatment.

As shown in fig. 3,5 and 6, the reinforcing set 760 on the upper front side of the lower pressure ring 750 is described as an example, the reinforcing set 760 further includes a placement plate 7601, the placement plate 7601 is fixedly disposed on the inner ring surface of the lower pressure ring 750, a sliding plate 7602 is slidably disposed on the lower end surface of the placement plate 7601, and a reinforcing column 7600 is fixedly disposed on the lower end surface of the sliding plate 7602.

As shown in fig. 6, the upper end surface of the placement plate 7601 is provided with a locking hole 7603, the upper end surface of the sliding plate 7602 is provided with a plurality of matching holes 7604 which are arranged in a front-back equidistant manner, and bolts which are matched with the corresponding matching holes 7604 are inserted into the locking hole 7603.

In the process that the lifting plate 6 drives the lower pressing plate 72 to move downwards, after the clamping limit of the grinding disc is completed through the first driving group 730, the reinforcing column 7600 is located right above the corresponding reinforcing groove, then the lower pressing plate 72 continuously moves downwards to press the grinding disc on the annular plate 2, in the process, the lower pressing plate 72 drives the corresponding reinforcing column 7600 to move downwards into the corresponding reinforcing groove through the placing plate 7601 and the sliding plate 7602, the lower pressing ring 750 drives the reinforcing column 7600 on the lower pressing plate to be inserted into the corresponding reinforcing groove, the limiting effect of the grinding disc is enhanced through the insertion fit between the reinforcing column 7600 and the reinforcing groove, the axis collineation of the grinding disc and the axis collineation of the rotating cylinder 7300 is guaranteed, and the accuracy of subsequent rib plate welding is improved.

After the bolts are pulled out and the corresponding sliding plates 7602 are moved, the matching holes 7604 at the appointed positions on the sliding plates 7602 are aligned with the locking holes 7603, then the bolts are inserted to complete the relative locking between the sliding plates 7602 and the placing plates 7601, the distance between the reinforcing columns 7600 and the axes of the rotating cylinders 7300 is changed in the mode, the grinding discs with different sizes are convenient to use, and the adaptability of the device is improved.

As shown in fig. 1, 7 and 8, the placement unit 8 includes a traversing plate 80, the lower end surface of the lifting plate 6 slides left and right and is provided with a T-shaped traversing plate 80, a horizontal section of the traversing plate 80 slides and penetrates through two lower pressing columns 81 which are symmetrical front and back and have axes extending from top to bottom, the lower end surfaces of the two lower pressing columns 81 are fixedly provided with a rectangular plate 82 together, a second spring 83 sleeved on the lower pressing columns 81 is fixedly arranged between the rectangular plate 82 and the traversing plate 80 together, the upper end surface of the rectangular plate 82 slides and penetrates through two sliding blocks which are symmetrical front and back, the lower end surface of the sliding block is fixedly provided with a clamping block 84, the upper end surface of the rectangular plate 82 is provided with a driving gear 85 through rotation of a rotation shaft, the rotation shaft is connected with an external motor (not shown in the drawing), the sliding blocks are fixedly provided with a second toothed plate 86 which is meshed with the driving gear 85, and the two second toothed plates 86 are symmetrical about the center of the rotation shaft axis.

As shown in fig. 8, two engaging blocks 87 are fixedly provided on the lower end surface of the rectangular plate 82, and the lower end surface of the engaging block 87 is inclined upward from right to left.

As shown in fig. 1 and 7, a fixed block 88 located on the right side of the traversing plate 80 is fixedly disposed on the lower end surface of the lifting plate 6, a threaded shaft 880 with an axis extending from left to right is rotatably disposed on the fixed block 88, the threaded shaft 880 penetrates through the traversing plate 80 and is in threaded fit with the traversing plate 80, and a driving group two 89 is disposed on the threaded shaft 880.

As shown in fig. 1 and 7, the second driving set 89 includes a rack plate three 890, a rack plate three 890 penetrating through the lifting plate 6 is fixedly disposed on the left end surface of the right side plate 5, a rotation gear 891 engaged with the rack plate three 890 is fixedly sleeved on the right side portion of the fixing block 88 by the screw shaft 880, and a spiral spring 892 disposed on the left side of the fixing block 88 is fixedly disposed between the screw shaft 880 and the fixing block 88.

As shown in fig. 1-9, when the millstone is clamped well, a worker places the rib plate to be welded between the two clamping blocks 84, then the external motor works to drive the driving gear 85 to synchronously rotate through the rotating shaft, the two rack plates 86 are close to each other through engagement between the driving gear 85 and the two rack plates 86, the rack plates 86 drive the corresponding clamping blocks 84 to be close to each other, so the two clamping blocks 84 are all in a vertical state with the rib plate, then the rib plate is kept in a vertical state with the millstone along with continuous downward movement of the lifting plate 6, the lifting plate 6 drives the rectangular plate 82 and the clamped rib plate to synchronously move down to the upper end face of the rib plate to be in contact with the disc part of the millstone through the transverse moving plate 80, finally the rib plate is in close contact with the disc part of the millstone and is mutually vertical to each other, the lifting plate 6 continuously moves down to the spring two 83 along with the compression deformation, the elastic force generated by the compression deformation of the spring two 83 makes the wedge block 87 close to the inclined plane of the rib plate, the lifting plate 6 continuously moves down to make the force of the spring two spring 83 to be applied to the wedge block 87, meanwhile, the rib plate is kept in a vertical state with the rib plate, the rib plate is in close to the sleeve part through the inclined plane of the wedge block 87, and the rib plate is convenient to weld the rib plate is close to the rib plate part.

In the process that the lifting plate 6 continuously moves downwards after the grinding disc is clamped by the limit, the rotating gear 891 moves downwards relative to the rack plate three 890, the rotating gear 891 drives the threaded shaft 880 to rotate through the engagement between the rotating gear 891 and the rack plate three 890, the spiral spring 892 deforms, the transverse moving plate 80 is close to the sleeve through the threaded fit between the threaded shaft 880 and the transverse moving plate 80, the transverse moving plate 80 applies a force in the left-right direction to the rib plate through the rectangular plate 82 and the fit block 87, the rib plate is tightly attached to the sleeve part of the grinding disc, so that the connection strength between the grinding disc and the rib plate after welding is ensured, and the welding equipment 9 works to weld the joint of the rib plate and the grinding disc after the rib plate is tightly attached to the sleeve.

After the rib plates at the single position are welded, the lifting plate 6 is moved upwards by the operation of the external hydraulic cylinder, the rotating gear 891 moves out of the tooth matching area on the tooth plate three 890, the threaded shaft 880 is reset by the elastic force generated by the deformation of the scroll spring 892, namely the transverse moving plate 80 is reset synchronously, and the subsequent welding operation is convenient again.

It should be noted that after the single welding operation is completed, the clamping limit of the grinding disc is still maintained, then the electric sliding block works to enable the side plate 5 to drive the lifting plate 6 to synchronously rotate by a designated angle to the next welding position, and then the process of placing the rib plates and welding the rib plates is repeated.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.

Claims

1. The utility model provides a sword hammer mill fixed-position welding set which characterized in that includes:

The annular plate (2) is fixedly arranged on the bottom plate (1), a plurality of positioning columns (3) which are uniformly distributed in the circumferential direction are fixedly arranged on the upper end face of the annular plate (2), annular grooves (4) with the axes collinear with the axis of the annular plate (2) are formed in the bottom plate (1), two side plates (5) which are symmetrical left and right are arranged in the annular grooves (4) in a sliding mode, and lifting plates (6) are arranged between the two side plates (5) in a sliding mode in an up-down mode;

The clamping mechanism (7), the clamping mechanism (7) is jointly arranged between the bottom plate (1) and the lifting plate (6), a placing unit (8) for placing the rib plate and tightly attaching the rib plate to the millstone is arranged on the lower end surface of the lifting plate (6), and a welding device (9) for welding the rib plate and the millstone is arranged on the lifting plate (6);

The clamping mechanism (7) comprises an inner supporting plate (70), two inner supporting plates (70) which are bilaterally symmetrical and arc-shaped are arranged on the bottom plate (1) in a sliding mode, two outer clamping plates (71) which are bilaterally symmetrical and arc-shaped are arranged on the upper end face of the bottom plate (1) in a sliding mode, a lower pressing plate (72) is arranged on the lower end face of the lifting plate (6) in a sliding mode through a lifting column, a driving unit (73) is arranged between the lower pressing plate (72) and the bottom plate (1), the driving unit (73) comprises a first driving group (730), and a first driving group (730) for driving the two inner supporting plates (70) to open the grinding disc inwards and driving the two outer clamping plates (71) to clamp the grinding disc externally is arranged on the bottom plate (1);

Placing unit (8) including sideslip board (80), the lower terminal surface side-to-side sliding of lifter plate (6) is provided with sideslip board (80) of T shape, and the horizontal segment slip of sideslip board (80) runs through has down pressure post (81), and the lower terminal surface of pressure post (81) is fixed down and is provided with rectangular plate (82), and the fixed spring two (83) of cover on pressure post (81) are established jointly between rectangular plate (82) and sideslip board (80), and the upper end face front-to-back slip of rectangular plate (82) runs through has two fore-and-aft symmetry's slider.

2. The knife hammer mill positioning welding device according to claim 1, wherein: the first driving group (730) comprises a rotating cylinder (7300), the upper end face of the bottom plate (1) is rotationally provided with the rotating cylinder (7300) with the axis collinear with the axis of the annular groove (4), a transmission gear (7301) is fixedly sleeved on the rotating cylinder (7300), a first rack plate (7302) meshed with the transmission gear (7301) is fixedly arranged on the inner supporting plate (70), the two first rack plates (7302) are centrally symmetrical relative to the axis of the rotating cylinder (7300), the upper end face of the first rack plate (7302) is rotationally provided with a swinging strip (7303), and the other end of the swinging strip (7303) is hinged with a corresponding outer clamping plate (71).

3. The knife hammer mill positioning welding device according to claim 2, wherein: the driving unit (73) further comprises a spring rod (740), the lower end face of the lower pressing plate (72) is fixedly provided with the spring rod (740) with the axis collinear with the axis of the rotating cylinder (7300), the lower end face of the spring rod (740) is fixedly provided with a driving column (7400), a spiral groove (7401) is formed in the inner cavity of the rotating cylinder (7300), a cylinder (7402) matched with the spiral groove (7401) is fixedly arranged on the driving column (7400), and a first spring (7403) sleeved on the lifting column is fixedly arranged between the lower pressing plate (72) and the lifting plate (6).

4. The knife hammer mill positioning welding device according to claim 1, wherein: the utility model discloses a lower clamping plate (70) is provided with clamping plate (70), clamping plate (70) is provided with clamping plate (760), clamping plate (70) is provided with clamping plate (71) and clamping plate (70) is provided with clamping plate (760), clamping plate (70) is provided with clamping plate (70) and clamping plate (71) is provided with clamping plate (70), clamping plate (70) is provided with clamping plate (70) and clamping plate (70) is provided with clamping plate (760), and clamping plate's upper end is processed through the chamfer.

5. The knife hammer mill positioning welding device according to claim 4, wherein: the reinforcement group (760) further comprises a placement plate (7601), the placement plate (7601) is fixedly arranged on the inner annular surface of the lower pressing ring (750), a sliding plate (7602) is arranged on the lower end surface of the placement plate (7601) in a sliding mode, and the reinforcement column (7600) is fixedly arranged on the lower end surface of the sliding plate (7602).

6. The knife hammer mill positioning welding device according to claim 5, wherein: locking holes (7603) are formed in the upper end face of the placement plate (7601), a plurality of matching holes (7604) which are arranged in a front-back equidistant mode are formed in the upper end face of the sliding plate (7602), and bolts matched with the corresponding matching holes (7604) are inserted into the locking holes (7603).

7. The knife hammer mill positioning welding device according to claim 1, wherein: the lower end face of the sliding block is fixedly provided with a clamping block (84), the upper end face of the rectangular plate (82) is provided with a driving gear (85) through rotation of the rotating shaft, the sliding block is fixedly provided with a second rack plate (86) which is meshed with the driving gear (85) mutually, and the two second rack plates (86) are centrally symmetrical relative to the axis of the rotating shaft.

8. The knife hammer mill positioning welding device according to claim 1, wherein: two engaging blocks (87) distributed left and right are fixedly arranged on the lower end face of the rectangular plate (82), and the lower end face of each engaging block (87) is inclined upwards from right to left.

9. The knife hammer mill positioning welding device according to claim 1, wherein: the lifting plate is characterized in that a fixed block (88) positioned on the right side of the transverse moving plate (80) is fixedly arranged on the lower end face of the lifting plate (6), a threaded shaft (880) with an axis extending from left to right is rotatably arranged on the fixed block (88), the threaded shaft (880) penetrates through the transverse moving plate (80) and is in threaded fit with the transverse moving plate (80), and a driving group II (89) is arranged on the threaded shaft (880).

10. The knife hammer mill positioning welding device according to claim 9, wherein: the driving group II (89) comprises a rack plate III (890), the rack plate III (890) penetrating through the lifting plate (6) is fixedly arranged on the left end face of the side plate (5) on the right side, a rotating gear (891) meshed with the rack plate III (890) is fixedly sleeved on the right side part of the threaded shaft (880) located on the fixed block (88), and a scroll spring (892) located on the left side of the fixed block (88) is fixedly arranged between the threaded shaft (880) and the fixed block (88) together.