CN117681019A - Processing machine tool convenient for positioning workpiece - Google Patents
Processing machine tool convenient for positioning workpiece Download PDFInfo
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- CN117681019A CN117681019A CN202410148650.4A CN202410148650A CN117681019A CN 117681019 A CN117681019 A CN 117681019A CN 202410148650 A CN202410148650 A CN 202410148650A CN 117681019 A CN117681019 A CN 117681019A
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- 238000003825 pressing Methods 0.000 claims description 45
- 239000007921 spray Substances 0.000 claims description 26
- 238000007664 blowing Methods 0.000 claims description 14
- 239000012535 impurity Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 238000004080 punching Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The invention relates to the technical field of machine tools, in particular to a processing machine tool convenient for positioning a workpiece. When the existing machine tool is used for machining complex workpieces such as polygonal workpieces, the polygonal workpieces cannot be well clamped stably, and deviation of punching caused by displacement of the polygonal workpieces due to vibration in the machining process is easy to occur. The invention comprises a machine tool body, a cylinder body, a circular plate and the like; the cylinder is fixedly connected to the upper surface of the bottom of the machine tool body, the circular plate is fixedly connected to the top of the cylinder, and four sliding grooves are uniformly spaced on the circular plate. According to the invention, the polygonal workpiece can be clamped and positioned more effectively by clamping the sides, the top and the bottom of the polygonal workpiece in multiple directions, so that the machine tool can accurately and stably process the polygonal workpiece, and the polygonal workpiece is effectively prevented from shifting in the process of processing.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to a processing machine tool convenient for positioning a workpiece.
Background
Machine tools are manufacturing machines and mechanical machines, and machine tools have become mainstream, and are widely used in machining factories. The related processing parts can be processed correspondingly by using a drill, a reamer, a tap, a die, a knurling tool and the like on a machine tool, and the machine tool is usually used when some workpieces need to be processed and drilled.
When the existing machine tool is used for processing and punching workpieces, the workpieces need to be clamped and positioned firstly, but the clamping function of the existing machine tool is simpler, and the structures of some workpieces are more complex, such as polygonal workpieces, the side edges and the convex corners of the polygonal workpieces are more, and the polygonal workpieces can generate slight vibration in the processing process, so the existing machine tool can not well stably clamp the polygonal workpieces, the polygonal workpieces are easy to shift due to vibration in the processing process, the punching deviation occurs, and the processing quality of the complex workpieces is reduced.
Disclosure of Invention
The invention aims to solve the problems and provide a processing machine tool convenient for positioning workpieces, which can more effectively clamp and position polygonal workpieces by clamping the polygonal workpieces in multiple directions at the side, top and bottom, so that the machine tool can accurately and stably process the polygonal workpieces and effectively prevent the polygonal workpieces from shifting in the processing process.
The technical scheme of the invention is as follows: the utility model provides a convenient machine tool who fixes a position work piece, including the lathe body, the barrel, the plectane, clamping mechanism, locking mechanical system and mechanism of rectifying, barrel fixed connection is in lathe body bottom upper surface, plectane fixed connection is at the barrel top, evenly spaced has four spouts on the plectane, clamping mechanism establishes on the spout, clamping mechanism is used for pressing from both sides the polygon work piece of putting on the plectane, locking mechanical system establishes on clamping mechanism, locking mechanical system is used for locking clamping mechanism, make clamping mechanism fix the polygon work piece, mechanism of rectifying is established on clamping mechanism, rectifying mechanical system is used for correcting the position of polygon work piece for clamping mechanism can fix a position the clamp better to the polygon work piece.
As a further preferred scheme, the clamping mechanism comprises sliding blocks, hollow rods, horizontal springs, vertical rods, inclined frames and electric push rods, wherein each sliding groove is connected with a sliding block in a sliding mode, each sliding block is fixedly connected with a hollow rod, each sliding block is connected with a horizontal spring, each vertical rod is fixedly connected to the center of the bottom of a circular plate, each inclined frame is connected to the vertical rod in a sliding mode, the bottom end of each hollow rod is in contact with each inclined frame, two electric push rods are fixedly connected to the inner side of each cylinder, and telescopic rods of the two electric push rods are fixedly connected with the inclined frames.
As a further preferred scheme, locking mechanical system is including fastening bolt, post gear, slide rail, electronic slider and rack, all has two fastening bolts through threaded connection on every sliding block, and two fastening bolts that are located same sliding block are a set of, and every fastening bolt lower extreme all fixedly connected with post gear, the disc lower surface fixedly connected with eight slide rails, and every slide rail all passes barrel upper portion, and two slide rails are a set of, all slidingtype connection has electronic slider on every slide rail, all fixedly connected with rack on every electronic slider, and the rack can with post gear engagement.
As a further preferred scheme, the correction mechanism comprises a pull-down barrel, barrel springs, connecting rods, groove rings, vertical barrels, ejector rods and vertical springs, wherein the pull-down barrel is connected to the lower end of a vertical rod in a sliding mode, the barrel springs are connected between the pull-down barrel and the vertical rod, two connecting rods are fixedly connected to the upper portion of the outer wall of the pull-down barrel, the two connecting rods penetrate through inclined frames, the groove rings are connected to the bottoms of circular plates in a sliding mode, the upper ends of the two connecting rods are connected with the groove rings in a sliding mode, four vertical barrels are fixedly connected to the groove rings, the vertical barrels penetrate through sliding grooves, ejector rods are connected to each vertical barrel in a sliding mode, and vertical springs are connected between the vertical barrels and the ejector rods.
As a further preferable mode, the top end face of each ejector rod is a friction face.
As a further preferred scheme, the clamping mechanism is arranged on the hollow rod and used for clamping and positioning the polygonal workpiece, the clamping mechanism comprises a lower pressing rod, guide rods, extension springs, driving frames, clamping blocks and cross plates, each hollow rod is connected with the lower pressing rod in a sliding mode, the lower end of each lower pressing rod is fixedly connected with the guide rod, the guide rods are connected with the hollow rod in a sliding mode, the lower ends of the guide rods penetrate through the inclined frames, the extension springs are connected between the guide rods and the hollow rod, each fastening bolt is connected with the driving frames in a rotating mode, each driving frame is connected with the sliding blocks in a sliding mode, two driving frames located on the same sliding block are in a group, the upper ends of each hollow rod are connected with two clamping blocks in a sliding mode, the two clamping blocks located on the same hollow rod are in a group, the upper ends of the clamping blocks and the driving frames are in contact with each other, the cross plates are fixedly connected to the bottoms of the lower pulling cylinders, and the bottoms of each guide rod are in contact with the cross plates.
As a further preferred embodiment, two friction surfaces are provided on each of the pressure-down bars.
As a further preferred scheme, the device comprises a blowing mechanism, wherein the blowing mechanism is arranged on a vertical rod and is used for cleaning debris impurities generated in the processing process of polygonal workpieces so as to position and clamp the polygonal workpieces to be processed subsequently, the blowing mechanism comprises a cylinder body, a first check valve, a piston rod, a spray pipe and a second check valve, the cylinder body is fixedly connected to the bottom end face of the vertical rod, the upper end of the cylinder body penetrates through a cross plate, the first check valve is fixedly connected to the central position of the bottom of the cylinder body, the piston rod is connected to the cylinder body in a sliding mode, the piston rod is fixedly connected with the cross plate, the spray pipe is fixedly connected to the cylinder body, the lower end of the spray pipe is fixedly connected with the lower portion of the cylinder body, the spray pipe is communicated with the cylinder body, the upper end of the spray pipe is fixedly connected with a circular plate, and the second check valve is fixedly connected to the lower end of the spray pipe.
The invention has the beneficial effects that: 1. according to the invention, a worker places a polygonal workpiece between four ejector rods, two electric push rods drive the inclined frames to move downwards and not block the four hollow rods, so that the four sliding blocks and the hollow rods move to the side close to each other, the four hollow rods move to be in contact with the polygonal workpiece, meanwhile, the inclined frames push the two connecting rods to move downwards and enable the groove rings and the ejector rods to swing, the four ejector rods swing to drive the polygonal workpiece to slightly swing, the four hollow rods are in contact with the side edges of the polygonal workpiece, the polygonal workpiece is positioned and clamped through the operation, then the electric sliding blocks move to drive the racks to move, the racks drive the column gears and the fastening bolts to rotate and move upwards, the fastening bolts move upwards to squeeze the lower surface of the circular plate, and then lock the sliding blocks, so that the hollow rods stably clamp the polygonal workpiece, and a machine tool body can accurately and stably process punching the polygonal workpiece, and can be effectively prevented from shifting in the processing process to cause punching deviation.
2. According to the invention, the hollow rod moves to drive the lower pressing rod to move, the upper end of the lower pressing rod is located above the polygonal workpiece, then the lower pulling cylinder moves downwards to drive the cross plate to move downwards, the lower pressing rod and the guide rod move downwards under the elasticity of the extension spring, the four lower pressing rods move downwards to press the polygonal workpiece to slightly move downwards, meanwhile, the four ejector rods and the four lower pressing rods can stably clamp the bottom and the top of the polygonal workpiece, so that the polygonal workpiece is clamped and positioned more fully through the operation, the driving frame is driven to move upwards by the upward movement of the fastening bolt, the two clamping blocks move and lock the lower pressing rod, the polygonal workpiece can be clamped more stably by the four lower pressing rods, the polygonal workpiece is fixed more effectively, and the polygonal workpiece is prevented from shifting in the processing process.
3. According to the invention, the cross plate moves downwards to drive the piston rod to move downwards, the piston rod moves downwards to extrude air in the cylinder body into the spray pipe, the air sprayed by the spray pipe blows off the chips remained on the upper surface of the circular plate, so that when the lower pressure rod extrudes the polygonal workpiece to move downwards, the polygonal workpiece is blocked by the chips remained on the upper surface of the circular plate, and the polygonal workpiece can be better clamped by the lower pressure rod and the ejector rod.
Drawings
Fig. 1 is a schematic perspective view of a machine tool body, a cylinder, a circular plate and a spray pipe.
Fig. 2 is a schematic perspective view of the machine tool body, cylinder and circular plate of the present invention.
FIG. 3 is a schematic view of a partially cut-away perspective view of the clamping mechanism, deviation rectifying mechanism, compacting mechanism and blowing mechanism of the present invention.
Fig. 4 is a schematic view of a partial perspective view of the clamping mechanism, locking mechanism, deviation correcting mechanism, compressing mechanism and blowing mechanism of the present invention.
Fig. 5 is a partially disassembled perspective view of the circular plate, the chute, the clamping mechanism, the locking mechanism and the deviation correcting mechanism of the present invention.
Fig. 6 is a schematic view of a partial perspective view of the clamping mechanism, locking mechanism, deviation correcting mechanism and hold down mechanism of the present invention.
Fig. 7 is a schematic view of a partial cross-sectional perspective of the deviation rectifying mechanism of the present invention.
Fig. 8 is a schematic view of a partially cut-away perspective of the locking mechanism and compression mechanism of the present invention.
Fig. 9 is a schematic cross-sectional perspective view of the vertical rod and blowing mechanism of the present invention.
Fig. 10 is a partially disassembled perspective view of the clamping mechanism, locking mechanism and hold down mechanism of the present invention.
Wherein: the machine tool comprises a machine tool body, a 2-cylinder, a 3-circular plate, a 4-sliding groove, a 51-sliding block, a 52-hollow rod, a 53-horizontal spring, a 54-vertical rod, a 55-inclined frame, a 56-electric push rod, a 61-fastening bolt, a 62-column gear, a 63-sliding rail, a 64-electric slide block, a 65-rack, a 71-pull-down cylinder, a 72-cylinder spring, a 73-connecting rod, a 74-groove ring, a 741-vertical cylinder, a 75-push rod, a 76-vertical spring, a 81-push rod, a 82-guide rod, a 83-stretching spring, a 84-driving frame, a 85-clamping block, a 86-cross plate, a 91-cylinder, a 92-one-way valve I, a 93-piston rod, a 94-spray rod and a 95-one-way valve II.
Description of the embodiments
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Example 1: the utility model provides a convenient machine tool who fixes a position work piece, as shown in fig. 1-7, including lathe body 1, barrel 2, plectane 3, clamping mechanism, locking mechanism and mechanism of rectifying, barrel 2 passes through bolted connection at lathe body 1 bottom upper surface, plectane 3 passes through bolted connection at barrel 2 top, evenly spaced has four spouts 4 on the plectane 3, clamping mechanism establishes on spout 4, clamping mechanism is used for pressing from both sides the polygon work piece of putting on plectane 3, locking mechanism establishes on clamping mechanism, locking mechanism is used for locking clamping mechanism, make clamping mechanism fix the polygon work piece, rectifying mechanism establishes on clamping mechanism, rectifying mechanism is used for correcting the position of polygon work piece, make clamping mechanism can fix a position the polygon work piece better and press from both sides tightly.
The clamping mechanism comprises sliding blocks 51, hollow rods 52, horizontal springs 53, vertical rods 54, inclined frames 55 and electric push rods 56, wherein each sliding groove 4 is connected with the sliding block 51 in a sliding mode, each sliding block 51 is welded with the hollow rod 52, each hollow rod 52 is arranged vertically, each hollow rod 52 is used for clamping the side edge of a polygonal workpiece, each sliding block 51 is connected with the horizontal spring 53 between each circular plate 3, the horizontal springs 53 are located the sliding grooves 4, the vertical rods 54 are welded at the central positions of the bottoms of the circular plates 3, the vertical rods 54 are arranged vertically, the inclined frames 55 are connected to the vertical rods 54 in a sliding mode, the bottom ends of each hollow rod 52 are in contact with the inclined frames 55, the inclined frames 55 are used for limiting the hollow rods 52, two electric push rods 56 are connected to the inner side of the cylinder 2 through bolts, and telescopic rods of the two electric push rods 56 are fixedly connected with the inclined frames 55.
The locking mechanism comprises a fastening bolt 61, a column gear 62, sliding rails 63, electric sliding blocks 64 and racks 65, wherein two fastening bolts 61 are connected to each sliding block 51 through threads, the fastening bolts 61 are used for locking the sliding blocks 51, and then the hollow rod 52 is locked, so that the hollow rod 52 stably clamps polygonal workpieces, two fastening bolts 61 positioned on the same sliding block 51 are in a group, the lower end of each fastening bolt 61 is connected with the column gear 62 through a flat key, eight sliding rails 63 are fixedly connected to the lower surface of a circular plate 3, the sliding rails 63 are horizontally arranged, each sliding rail 63 penetrates through the upper portion of the cylinder 2, the two sliding rails 63 are in a group, the electric sliding blocks 64 are connected to each sliding rail 63 in a sliding mode, the racks 65 are horizontally arranged, the racks 65 are meshed with the column gear 62, and the racks 65 are used for driving the column gear 62 to rotate, so that the fastening bolts 61 move upwards and lock the sliding blocks 51, and the sliding blocks 51 are prevented from moving.
The correcting mechanism comprises a pull-down cylinder 71, a cylinder spring 72, a connecting rod 73, a groove ring 74, vertical cylinders 741, ejector rods 75 and vertical springs 76, wherein the pull-down cylinder 71 is connected to the lower end of a vertical rod 54 in a sliding mode, the cylinder spring 72 is connected between the pull-down cylinder 71 and the vertical rod 54, the cylinder spring 72 is sleeved on the vertical rod 54, two connecting rods 73 are welded on the upper portion of the outer wall of the pull-down cylinder 71, the two connecting rods 73 are symmetrically arranged, the two connecting rods 73 penetrate through the inclined frame 55, the groove ring 74 is connected to the bottom of a circular plate 3 in a sliding mode, the upper ends of the two connecting rods 73 are connected with the groove ring 74 in a sliding mode, the connecting rods 73 are used for driving the groove ring 74 to rotate, four vertical cylinders 741 are welded on the groove ring 74 in a uniform interval mode, the vertical cylinders 741 penetrate through a sliding groove 4, the ejector rods 75 are connected to each vertical cylinder 741 in a sliding mode, the ejector rods 75 are used for supporting the bottom of a polygonal workpiece, and the vertical springs 76 are connected between the vertical cylinders 741 and the ejector rods 75 and the vertical springs 76 are located in the vertical cylinders 741.
The top end face of each jack 75 is a friction face.
Initially, due to the limitation of the inclined frame 55 to the four hollow bars 52, the four horizontal springs 53 are in a compressed state, in actual operation, a worker firstly places a polygonal workpiece to be processed between the top end surfaces of the four ejector pins 75, then starts the two electric push rods 56, the telescopic rods of the two electric push rods 56 contract to drive the inclined frame 55 to move downwards, the inclined frame 55 moves downwards without blocking the four hollow bars 52, then the four sliding blocks 51 and the hollow bars 52 move towards one side close to each other under the elasticity of the horizontal springs 53, the sliding blocks 51 move to drive the fastening bolts 61 and the column gears 62 to move together, the four hollow bars 52 move towards one side close to each other and contact with the side edges of the polygonal workpiece, and clamp the polygonal workpiece, at the moment, the horizontal springs 53 are still in a compressed state, the inclined frame 55 moves downwards and contacts with the two connecting rods 73, and pushes the two connecting rods 73 to move downwards together, the two connecting rods 73 move downwards to drive the pull-down barrel 71 to move downwards, the barrel spring 72 is compressed, the two connecting rods 73 move downwards to push the slot ring 74 to rotate, the slot ring 74 rotates to drive the four vertical barrels 741 and the ejector rods 75 to swing together, because the top end surface of the ejector rods 75 is a friction surface, a certain friction force exists between the ejector rods 75 and the bottom surface of the polygonal workpiece, if the hollow rod 52 contacts with the convex angle of the polygonal workpiece, the hollow rod 52 cannot stably clamp the polygonal workpiece, then the four ejector rods 75 swing to drive the polygonal workpiece to swing slightly, so that the hollow rod 52 is separated from contact with the convex angle of the polygonal workpiece, then the hollow rod 52 moves continuously under the elasticity of the horizontal spring 53 and contacts with the side edge of the polygonal workpiece, if the four hollow rods 52 contact with the side edge of the polygonal workpiece, the four hollow bars 52 stably clamp the polygonal workpiece, at this time, the four push rods 75 do not swing to drive the polygonal workpiece to swing, so that the polygonal workpiece is positioned and clamped by the above operation, after the polygonal workpiece is positioned, a worker starts eight electric sliders 64, the electric sliders 64 move horizontally to a side close to the vertical bars 54 to drive racks 65 to move, the racks 65 move to mesh with the column gears 62 and drive the column gears 62 to rotate, the column gears 62 rotate to drive the fastening bolts 61 to rotate and move upwards, the fastening bolts 61 move upwards to drive the column gears 62 to move upwards, the column gears 62 move upwards to still mesh with the racks 65, the fastening bolts 61 move upwards to contact with the lower surface of the circular plate 3 and squeeze the lower surface of the circular plate 3, so that the sliding blocks 51 are locked, the four sliding blocks 51 and the hollow bars 52 are prevented from moving, after the fastening bolts 61 are locked, the electric slide blocks 64 stop moving, then the working personnel start the machine tool body 1 and process and punch the polygonal workpiece, as the polygonal workpiece can slightly vibrate in the process of processing and punching, and the four locked hollow rods 52 can stably clamp the polygonal workpiece, the machine tool body 1 can accurately and stably process and punch the polygonal workpiece, deviation of punching caused by displacement of the polygonal workpiece in the process of processing can be effectively prevented, after the polygonal workpiece is processed, the working personnel close the machine tool body 1, then eight electric slide blocks 64 reset to drive the racks 65 to reset, the racks 65 reset to drive the column gears 62 to reversely rotate and disengage with the column gears 62, the column gears 62 reversely rotate to drive the fastening bolts 61 to reversely rotate and downwardly reset, the fastening bolts 61 downwardly reset to be out of contact with the lower surface of the circular plate 3, and then unlock sliding block 51 and hollow rod 52, then the telescopic link extension of two electric putter 56 can drive the sloping frame 55 to reset upwards, and the sloping frame 55 resets upwards and can break away from the contact with two connecting rods 73, and barrel spring 72 resets and can drive down a section of thick bamboo 71 and two connecting rods 73 to reset upwards together, and connecting rods 73 reset upwards can drive grooved ring 74, vertical tube 741 and ejector pin 75 to reset together, and four hollow rods 52 can be pushed to reset to the side that keeps away from each other when sloping frame 55 resets upwards, and hollow rod 52 resets and can reset with sliding block 51, and horizontal spring 53 is compressed, and hollow rod 52 resets and can break away from the contact with the polygon work piece, and then the staff takes out the polygon work piece to close electric putter 56 and electric sliding block 64.
Example 2: on the basis of the embodiment 1, as shown in fig. 2-10, the device further comprises a pressing mechanism, the pressing mechanism is arranged on the hollow rods 52 and used for pressing the upper surfaces of the polygonal workpieces to further clamp and position the polygonal workpieces, the pressing mechanism comprises a pressing rod 81, a guide rod 82, a tension spring 83, a driving frame 84, a clamping block 85 and a cross plate 86, each hollow rod 52 is connected with the pressing rod 81 in a sliding manner, the pressing rod 81 is used for limiting the top of the polygonal workpieces, the lower end of each pressing rod 81 is fixedly connected with the guide rod 82, the guide rod 82 is vertically arranged, the guide rod 82 is connected with the hollow rod 52 in a sliding manner, the lower end of the guide rod 82 penetrates through the inclined frame 55, a tension spring 83 is connected between the guide rod 82 and the hollow rod 52, the tension spring 83 is sleeved on the guide rod 82, the tension spring 83 is positioned in the hollow rod 52, each fastening bolt 61 is rotatably connected with a driving frame 84, each driving frame 84 is slidably connected with a sliding block 51, two driving frames 84 located on the same sliding block 51 are combined into a group, the upper end of each hollow rod 52 is slidably connected with two clamping blocks 85, two clamping blocks 85 located on the same hollow rod 52 are combined into a group, the clamping blocks 85 are contacted with the upper ends of the driving frames 84, the fastening bolts 61 are used for driving the driving frames 84 to move upwards, the driving frames 84 move upwards to squeeze the clamping blocks 85 to move, the clamping blocks 85 move to contact with a pressing rod 81 and lock the pressing rod 81, the pressing rod 81 stably limits polygonal workpieces, a cross plate 86 is welded at the bottom of the pressing rod 71, the bottom end of each guide rod 82 is contacted with the cross plate 86, and the cross plate 86 is used for limiting the guide rods 82.
Two friction surfaces are provided on each of the pressing rods 81.
Initially, since the cross plate 86 is in a stretched state against the four guide rods 82, the hollow rod 52 moves to a side close to the polygonal workpiece to drive the pressing rods 81 and the guide rods 82 to move together, the sliding block 51 moves to a side close to the polygonal workpiece to drive the driving frame 84 and the clamping block 85 to move together, the four pressing rods 81 move to a side close to each other to enable the upper ends of the pressing rods 81 to be located above the polygonal workpiece, then the downward movement of the pulling down cylinder 71 drives the cross plate 86 to move downward, the cross plate 86 moves downward without supporting the four guide rods 82, then the pressing rods 81 and the guide rods 82 move downward together under the elasticity of the stretching springs 83, the four pressing rods 81 move downward to contact the polygonal workpiece and press the polygonal workpiece to move slightly downward, the polygonal workpiece moves downward to press the push rod 75 to move downward, the vertical springs 76 are compressed, and the four push rods 75 and the four pressing rods 81 stably clamp the bottom and the top of the polygonal workpiece under the elasticity of the vertical springs 76 and the tension springs 83, so that the polygonal workpiece is clamped and positioned more fully through the operation, then the fastening bolts 61 move upwards and drive the driving frames 84 to move upwards, the two driving frames 84 move upwards and press the two clamping blocks 85 to move towards one side close to each other, the two clamping blocks 85 move to be respectively contacted with the two friction surfaces of the pressing rods 81, the pressing rods 81 are locked, the polygonal workpiece can be clamped more stably by the four pressing rods 81, the polygonal workpiece is effectively fixed, the polygonal workpiece is effectively prevented from being shifted in the processing process, the driving frames 84 are driven to reset downwards by the downward reset of the fastening bolts 61, the driving frame 84 is reset downwards and does not squeeze the clamping block 85 any more, the clamping block 85 is reset to be separated from the lower pressing rod 81, the upward reset of the pull-down cylinder 71 drives the cross plate 86 to be reset upwards, the upward reset of the cross plate 86 drives the four guide rods 82 and the lower pressing rod 81 to be reset upwards, the stretching spring 83 is stretched, the upward reset of the lower pressing rod 81 is separated from the polygonal workpiece, the reset of the hollow rod 52 drives the lower pressing rod 81 to be reset together with the guide rods 82, and the reset of the sliding block 51 drives the driving frame 84 to be reset together with the clamping block 85.
Example 3: on the basis of embodiment 2, as shown in fig. 1-9, the device further comprises a blowing mechanism, the blowing mechanism is arranged on the vertical rod 54, the blowing mechanism is used for cleaning debris impurities generated in the processing process of polygonal workpieces so as to position and clamp the polygonal workpieces to be processed subsequently, the blowing mechanism comprises a cylinder 91, a first check valve 92, a piston rod 93, a spray pipe 94 and a second check valve 95, the cylinder 91 is connected to the bottom end face of the vertical rod 54 through bolts, the upper end of the cylinder 91 passes through a cross plate 86, the first check valve 92 is fixedly connected to the central position of the bottom of the cylinder 91, the piston rod 93 is slidably connected to the cylinder 91, the piston rod 93 is fixedly connected with the cross plate 86, the spray pipe 94 is fixedly connected to the cylinder 2, the lower end of the spray pipe 94 is fixedly connected with the lower portion of the cylinder 91, the spray pipe 94 is communicated with the cylinder 91, the upper end of the spray pipe 94 is fixedly connected with the circular plate 3, the spray pipe 94 is used for spraying gas to the upper surface of the circular plate 3, and then the residual debris on the upper surface of the circular plate 3 is blown down, and the second check valve 95 is fixedly connected to the lower end of the spray pipe 94.
The polygonal workpiece can generate fragments in the processing process, the fragments remain on the circular plate 3 to affect the processing of the subsequent polygonal workpiece, the cross plate 86 moves downwards and drives the piston rod 93 to move downwards, the piston rod 93 moves downwards to extrude air in the cylinder 91 into the spray pipe 94 through the second check valve 95 and is sprayed out of the spray pipe 94, the gas sprayed out of the spray pipe 94 blows off the fragments remained on the upper surface of the circular plate 3 because the upper end of the spray pipe 94 is positioned on the upper surface of the circular plate 3, when the pressing rod 81 presses the polygonal workpiece to move downwards, the upper surface of the circular plate 3 has no fragments remained to block the polygonal workpiece, the pressing rod 81 and the ejector rod 75 can clamp the polygonal workpiece better, the cross plate 86 resets upwards to drive the piston rod 93 to reset upwards, and then the outside air can enter the cylinder 91 through the first check valve 92.
In the description of the present invention, unless otherwise indicated, the meaning of "plurality" is two or more, and the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Claims (8)
1. A machine tool for conveniently positioning a workpiece, characterized in that: including lathe body (1), barrel (2), plectane (3), clamping mechanism, locking mechanical system and mechanism of rectifying, barrel (2) fixed connection is in lathe body (1) bottom upper surface, plectane (3) fixed connection is at barrel (2) top, evenly spaced has four spouts (4) on plectane (3), clamping mechanism establishes on spout (4), clamping mechanism is used for pressing from both sides the polygon work piece of tight placement on plectane (3), locking mechanism establishes on clamping mechanism, locking mechanism is used for locking clamping mechanism, make clamping mechanism fix the polygon work piece, rectifying mechanism establishes on clamping mechanism, rectifying mechanism is used for correcting the position of polygon work piece for clamping mechanism can carry out positioning clamp to the polygon work piece better.
2. A machine tool for facilitating positioning of a workpiece as defined in claim 1, wherein: the clamping mechanism comprises sliding blocks (51), hollow rods (52), horizontal springs (53), vertical rods (54), inclined frames (55) and electric pushing rods (56), wherein the sliding blocks (51) are connected to each sliding groove (4) in a sliding mode, the hollow rods (52) are fixedly connected to each sliding block (51), the horizontal springs (53) are connected between each sliding block (51) and a circular plate (3), the vertical rods (54) are fixedly connected to the central positions of the bottoms of the circular plates (3), the inclined frames (55) are connected to the vertical rods (54) in a sliding mode, the bottoms of the hollow rods (52) are in contact with the inclined frames (55), two electric pushing rods (56) are fixedly connected to the inner side of the cylinder body (2), and telescopic rods of the two electric pushing rods (56) are fixedly connected with the inclined frames (55).
3. A machine tool for facilitating positioning of a workpiece as defined in claim 2, wherein: the locking mechanism comprises fastening bolts (61), column gears (62), sliding rails (63), electric sliding blocks (64) and racks (65), wherein two fastening bolts (61) are connected to each sliding block (51) through threads, two fastening bolts (61) located on the same sliding block (51) are in a group, the lower end of each fastening bolt (61) is fixedly connected with each column gear (62), eight sliding rails (63) are fixedly connected to the lower surface of a circular plate (3), each sliding rail (63) penetrates through the upper portion of the cylinder body (2), two sliding rails (63) are in a group, each sliding rail (63) is connected with the electric sliding block (64) in a sliding mode, each electric sliding block (64) is fixedly connected with the rack (65), and the racks (65) are meshed with the column gears (62).
4. A machine tool for facilitating positioning of a workpiece as defined in claim 3, wherein: the correcting mechanism comprises a pull-down barrel (71), barrel springs (72), connecting rods (73), groove rings (74), vertical barrels (741), ejector rods (75) and vertical springs (76), wherein the pull-down barrel (71) is connected to the lower ends of vertical rods (54) in a sliding mode, the barrel springs (72) are connected between the pull-down barrel (71) and the vertical rods (54), two connecting rods (73) are fixedly connected to the upper portions of the outer walls of the pull-down barrel (71), the two connecting rods (73) penetrate through inclined frames (55), the groove rings (74) are connected to the bottoms of circular plates (3) in a sliding mode, the upper ends of the two connecting rods (73) are connected with the groove rings (74) in a sliding mode, four vertical barrels (741) are fixedly connected to the groove rings (74), the vertical barrels (741) penetrate through sliding grooves (4), the ejector rods (75) are connected to the vertical springs (76) in a sliding mode between the vertical barrels (741).
5. A machine tool for facilitating positioning of a workpiece as defined in claim 4, wherein: the top end surface of each ejector rod (75) is a friction surface.
6. A machine tool for facilitating positioning of a workpiece as defined in claim 4, wherein: the clamping mechanism is arranged on the hollow rod (52) and used for clamping and positioning the polygonal workpiece, the clamping mechanism comprises a lower pressing rod (81), a guide rod (82), a tension spring (83), a driving frame (84), clamping blocks (85) and cross plates (86), the lower pressing rod (81) is connected to each hollow rod (52) in a sliding mode, the guide rod (82) is fixedly connected to the lower end of each lower pressing rod (81), the guide rod (82) is connected with the hollow rod (52) in a sliding mode, the lower end of the guide rod (82) penetrates through the inclined frame (55), a tension spring (83) is connected between the guide rod (82) and the hollow rod (52), each fastening bolt (61) is connected with a driving frame (84) in a rotating mode, each driving frame (84) is connected with one sliding block (51), two driving frames (84) on the same sliding block (51) are connected with one group, the upper ends of each hollow rod (52) are connected with two clamping blocks (85) in a sliding mode, the lower connecting block (85) is connected with the bottom of the same sliding block (85) in a sliding mode, the two driving frames (85) are connected with the bottom of the hollow rod (52) in a sliding mode, the bottom end of each guide rod (82) is in contact with a cross plate (86).
7. A machine tool for facilitating positioning of a workpiece as defined in claim 6, wherein: two friction surfaces are arranged on each pressing rod (81).
8. A machine tool for facilitating positioning of a workpiece as defined in claim 6, wherein: still including blowing mechanism, blowing mechanism establishes on montant (54), blowing mechanism is arranged in the piece processing in the clearance polygon and produces the piece impurity, so that carry out location clamp to the polygon work piece that needs processing subsequently, blowing mechanism is including cylinder body (91), check valve one (92), piston rod (93), spray tube (94) and check valve two (95), cylinder body (91) fixed connection is in montant (54) bottom surface, cylinder body (91) upper end passes cross plate (86), check valve one (92) fixed connection is in the central point of cylinder body (91) bottom, piston rod (93) sliding connection is on cylinder body (91), piston rod (93) and cross plate (86) fixed connection, spray tube (94) fixed connection is on barrel (2), the lower extreme and cylinder body (91) lower part fixed connection of spray tube (94), and cylinder body (91) intercommunication, the upper end and plectane (3) fixed connection of spray tube (94), check valve two (95) fixed connection is in spray tube (94) lower extreme.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410148650.4A CN117681019B (en) | 2024-02-02 | 2024-02-02 | Processing machine tool convenient for positioning workpiece |
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| CN202410148650.4A CN117681019B (en) | 2024-02-02 | 2024-02-02 | Processing machine tool convenient for positioning workpiece |
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| CN117681019B CN117681019B (en) | 2024-04-12 |
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| JP2008290171A (en) * | 2007-05-23 | 2008-12-04 | Koganei Corp | Workpiece clamping device |
| CN109352551A (en) * | 2018-10-17 | 2019-02-19 | 湖州华豪机械有限公司 | A kind of fixture for machining |
| CN111331394A (en) * | 2020-04-07 | 2020-06-26 | 强龙科技（苏州）有限公司 | CNC five-axis machining special-shaped part combined clamp and clamping method |
| CN214770556U (en) * | 2021-06-03 | 2021-11-19 | 苏州帕磊特精密机械有限公司 | Irregular arc-shaped part processing jig |
| CN218746318U (en) * | 2022-11-23 | 2023-03-28 | 广东峰伟智能科技有限公司 | Workpiece clamping mechanism for numerical control machine tool |
| CN116394040A (en) * | 2023-05-17 | 2023-07-07 | 江西交通职业技术学院 | Positioning tool for processing and manufacturing new energy automobile parts |
| CN116423459A (en) * | 2023-04-26 | 2023-07-14 | 浙江恒通阀门有限公司 | Clamp for machining ball body of three-way ball valve |
-
2024
- 2024-02-02 CN CN202410148650.4A patent/CN117681019B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008290171A (en) * | 2007-05-23 | 2008-12-04 | Koganei Corp | Workpiece clamping device |
| CN109352551A (en) * | 2018-10-17 | 2019-02-19 | 湖州华豪机械有限公司 | A kind of fixture for machining |
| CN111331394A (en) * | 2020-04-07 | 2020-06-26 | 强龙科技（苏州）有限公司 | CNC five-axis machining special-shaped part combined clamp and clamping method |
| CN214770556U (en) * | 2021-06-03 | 2021-11-19 | 苏州帕磊特精密机械有限公司 | Irregular arc-shaped part processing jig |
| CN218746318U (en) * | 2022-11-23 | 2023-03-28 | 广东峰伟智能科技有限公司 | Workpiece clamping mechanism for numerical control machine tool |
| CN116423459A (en) * | 2023-04-26 | 2023-07-14 | 浙江恒通阀门有限公司 | Clamp for machining ball body of three-way ball valve |
| CN116394040A (en) * | 2023-05-17 | 2023-07-07 | 江西交通职业技术学院 | Positioning tool for processing and manufacturing new energy automobile parts |
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| CN117681019B (en) | 2024-04-12 |
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