CN109834487B - Gear rail seat machining clamping device - Google Patents
Gear rail seat machining clamping device Download PDFInfo
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- CN109834487B CN109834487B CN201811547155.1A CN201811547155A CN109834487B CN 109834487 B CN109834487 B CN 109834487B CN 201811547155 A CN201811547155 A CN 201811547155A CN 109834487 B CN109834487 B CN 109834487B
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- 238000003754 machining Methods 0.000 title claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- 239000000725 suspension Substances 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
A rack seat machining clamping device relates to a workpiece clamping technology and comprises a supporting device, a blocking device and clamping devices, wherein the blocking device is connected with the upper end of the supporting device, and the clamping devices are positioned on two sides of the supporting device; the clamping device comprises two clamping components and a driving device, the driving device is connected with the clamping components and used for driving the clamping components, the clamping components comprise a base, bolts, a pressing plate and springs, one end of the pressing plate is provided with a half-open notch, the other end of the pressing plate is suspended, one end provided with the half-open notch is called a stress end, one suspended end is called a clamping end, a circular through hole is arranged in the middle of the pressing plate, and the contact part of the circular through hole and the bolts is called a fulcrum; when the stress end of the pressing plate moves upwards, the clamping end moves downwards around the fulcrum, and the rack seat is fixed for machining and clamping; when the stress end of the pressing plate moves downwards, the clamping end moves upwards around the pivot, the pressing plate is manually controlled to rotate, the clamping end and the tooth rail seat do not interfere in the vertical direction, and the workpiece is convenient to hoist.
Description
Technical Field
The invention relates to a workpiece clamping tool, in particular to a rack seat machining clamping device.
Background
The toothed rail seat is an important part of the scraper conveyor, is suitable for the middle groove part of the scraper conveyor and the reversed loader for the underground coal mine, is welded on the ledge of the middle groove when being used, and is used for placing the toothed rail. The tooth rail seat generally comprises five panels of front plate, back plate, left side board, right side board, bottom plate, wherein be provided with two pinholes on front plate and the back plate, have certain distance between two pinholes, left side board, right side board and bottom plate slope are fixed. The basic structure of the existing different tooth rail seats is consistent, and the height and the width of the existing tooth rail seats are only adjusted. The pin holes on the gear rail seat are required to be machined on a lathe, and when the drilling holes are offset in the drilling process of the gear rail seat, the use of the gear rail seat can be affected. The rack seat is usually clamped by a clamp during the drilling process so as to prevent the rack seat from shifting. The existing rack seat clamp is complex in structure and complex in operation, and although the drilling time of a single rack seat is short, the frequent loading and unloading of workpieces in the machining process increases the labor time and intensity, so that the drilling efficiency of the rack seat is greatly reduced.
In order to reduce the labor time and the labor intensity of manpower and improve the drilling efficiency of the rack seat, the Chinese invention patent with the name of 'rack seat clamp' with the patent number 201720489949.1 discloses the following technical scheme:
The clamp mainly comprises a base, a U-shaped plate, a workbench and a baffle. In the rack seat clamp provided by the invention, the bottom of the workbench is hollow, so that the rack seat to be drilled can be placed between the base and the workbench, and further drilling processing is facilitated. And aligning the processing surface of the toothed rail seat to be drilled with the first through hole and the second through hole so as to ensure the drilling position of the toothed rail seat. And adjusting the position of the baffle plate to enable the gear rail seat to be in contact with the baffle plate. The U-shaped plate is clamped on the bolt, and the bolt is screwed, so that the U-shaped plate is contacted with the baffle. Because the two side surfaces of the tooth rail seat are respectively contacted with the baffle plate and the U-shaped plate, the tooth rail seat can not shake during drilling, and further the drilling precision is improved.
But this scheme still adopts artifical clamping mode, extravagant labour and reduce the effect of manual labor intensity and manual labor's time unobvious, still there is the potential safety hazard that the manpower leads to simultaneously to this scheme also very loaded down with trivial details to the position adjustment's of different model tooth rail seat method, makes the efficiency of rack seat drilling processing not high, and the popularization degree of difficulty is great.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a rack seat machining clamping device that saves labor, reduces labor intensity and labor time, and improves the efficiency of rack seat drilling machining.
The clamping device is positioned on two sides of the supporting device and used for clamping the rack seat; the supporting device comprises a bracket, a supporting plate and an inclined plane positioning block, wherein the top end of the bracket is connected with the lower surface of the supporting plate to be used for fixing the supporting plate, and the supporting plate is parallel to the ground to be used for supporting the rack seat; the inclined plane positioning block is fixed on the supporting plate and used for fixing the left side of the rack seat; the blocking device is arranged on the supporting plate, the clamping device comprises two clamping parts and a driving device, the two clamping parts are connected with the driving device and used for driving the two clamping parts to clamp the rack rail seat through the driving device, the clamping parts comprise bases, bolts, pressing plates and springs, and the two bases of the two clamping parts are respectively fixed on two sides of the bracket; the lower end of the bolt is fixed on the base and is positioned on one side of the base close to the bracket, the longitudinal section of the upper end of the bolt is in an inverted trapezoid shape, the length of the top edge of the inverted trapezoid is called as a large diameter, and the length of the bottom edge is called as a small diameter; the pressing plate comprises a stress end and a clamping end, the stress end is provided with a semi-open notch, the semi-open notch is matched with the top of the driving device, the clamping end is suspended to be used for contacting the toothed rail seat to clamp the toothed rail seat, a circular channel is arranged in the middle of the pressing plate, the diameter of the circular channel is smaller than the large diameter of the bolt and larger than the small diameter of the bolt, so that the upper edge of the circular channel of the pressing plate is tightly contacted with the bolt, the lower edge of the circular channel is not contacted with the bolt, the pressing plate can move on the bolt in the vertical direction by taking any point of the contact part of the circular channel and the bolt as a fulcrum, the movement direction of the stress end and the suspension end in the vertical direction is always opposite, the spring is sleeved on the bolt, and the outer diameter of the spring is larger than the diameter of the circular channel, so that the pressing plate is supported when the pressing plate rotates around the bolt; the driving device drives the stress end of the pressing plate, when the stress end of the pressing plate moves upwards, the clamping end moves downwards around the fulcrum, the lower surface of the clamping end is contacted with the rack seat, and the rack seat is fixed between the clamping end of the pressing plate and the supporting plate for processing and clamping; when the stress end of the pressing plate moves downwards, the clamping end moves upwards around the pivot to leave the gear rail seat, the manual control pressing plate rotates around the pivot, the semi-open notch of the pressing plate is separated from the top end of the driving device, and the clamping end and the gear rail seat do not interfere in the vertical direction, so that the workpiece is convenient to hoist.
The rack seat machining and clamping device has the beneficial effects that: the invention comprises a supporting device, a blocking device and a clamping device, wherein the clamping device comprises two clamping parts and a driving device, the two clamping parts are connected with the driving device and used for driving the two clamping parts to clamp the toothed rail seat through the driving device, the bottom surface of the toothed rail seat is supported by the supporting device, the back surface of the toothed rail seat is blocked by the blocking device, the measuring side of the toothed rail seat is fixed by the clamping parts, and the driving device drives the clamping parts, so that the gear seat is limited between the clamping parts and the supporting plate, no continuous manual pressing is needed, the labor force is saved, the manual labor intensity and the manual labor time are reduced, and meanwhile, the potential safety hazard caused by manual pressing is avoided.
Drawings
FIG. 1 is a front view of a rack seat machining clamping device of the invention;
FIG. 2 is a top view of the rack seat machining clamping device of the invention;
FIG. 3 is a schematic view of a part of the structure of the blocking device of the present invention;
In the figure: the gear rail seat machining clamping device 10, the supporting device 20, the bracket 21, the screw 211, the nut 212, the supporting plate 22, the inclined surface positioning block 23, the inclined surface 231, the bottom surface 232, the blocking device 30, the U-shaped pressing plate 31, the fixed end 311, the suspension end 312, the sliding block 32, the set screw 33, the clamping device 40, the clamping part 41, the base 411, the bolt 412, the pressing plate 413, the half-open notch 4131, the stress end 4132, the clamping end 4133, the circular channel 4134, the spring 414, the driving device 42, the cylinder 421, the cylinder 4211, the piston 42111, the piston rod 4212, the connecting hose 422, the cylinder switch 423 and the gear rail seat 50.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1 to 3, the present invention provides a rack seat machining clamping device 10, which comprises a supporting device 20, a blocking device 30 and a clamping device 40, wherein the blocking device 30 is connected with the upper end of the supporting device 20 for blocking the rear side of a rack seat 50, and the clamping devices 40 are positioned on two sides of the supporting device 20 for clamping the rack seat 50; the supporting device 20 comprises a bracket 21, a supporting plate 22 and an inclined surface positioning block 23, wherein the top end of the bracket 21 is connected with the lower surface of the supporting plate 22 so as to be used for fixing the supporting plate 22, and the supporting plate 22 is parallel to the ground so as to be used for supporting the rack seat 50; the bevel positioning block 23 is fixed on the upper surface of the supporting plate 22 and is used for fixing the left side of the rack seat 50; the blocking device 30 is arranged on the supporting plate 22, the clamping device 40 comprises two clamping parts 41 and a driving device 42, the two clamping parts 41 are connected with the driving device 42 and used for driving the two clamping parts 41 to clamp the toothed rail seat 50 through the driving device 42, the clamping parts 41 comprise a base 411, bolts 412, a pressing plate 413 and a spring 414, and the two bases 411 of the two clamping parts 41 are respectively fixed on two sides of the bracket 21; the lower end of the bolt 412 is fixed on the base 411 and is positioned on one side of the base 411 close to the bracket 21, the longitudinal section of the upper end of the bolt 412 is in an inverted trapezoid shape, the length of the top edge of the inverted trapezoid is called as a large diameter, and the length of the bottom edge is called as a small diameter; the pressure plate 413 comprises a force-bearing end 4132 and a clamping end 4133, the force-bearing end 4132 is provided with a semi-open notch 4131, the semi-open notch 4131 is matched with the top of the driving device 42, the clamping end 4133 is suspended to be used for contacting the toothed rail seat 50 to clamp the toothed rail seat 50, a circular channel 4134 is arranged in the middle of the pressure plate 413, the diameter of the circular channel 4134 is smaller than the large diameter of the bolt 412 and larger than the small diameter of the bolt 412, so that the upper edge of the circular channel 4134 of the pressure plate 413 is tightly contacted with the bolt 412, the lower edge of the circular channel 4134 is not contacted with the bolt 412, the pressure plate 413 can move on the bolt 412 in the vertical direction by taking any point of the contact part of the circular channel 4134 and the bolt 412 as a fulcrum, the movement direction of the force-bearing end 4132 and the suspension end 312 in the vertical direction is always opposite, the spring 414 is sleeved on the bolt 412, and the outer diameter of the spring 414 is larger than the diameter of the circular channel 4134 is used for supporting the pressure plate 413 when the pressure plate 413 rotates around the bolt 412; the driving device 42 drives the force bearing end 4132 of the pressing plate 413, when the force bearing end 4132 of the pressing plate 413 moves upwards, the clamping end 4133 moves downwards around the fulcrum, the lower surface of the clamping end 4133 contacts with the gear rail seat 50, and the gear rail seat 50 is fixed between the clamping end 4133 of the pressing plate 413 and the supporting plate 22 for machining and clamping; when the stress end 4132 of the pressing plate 413 moves downwards, the clamping end 4133 moves upwards around the pivot to leave the gear rail seat 50, the manual control pressing plate 413 rotates around the pivot, the semi-open notch 4131 of the pressing plate 413 is separated from the top end of the driving device 42, and the clamping end 4133 and the gear rail seat 50 do not interfere in the vertical direction, so that the workpiece is convenient to hoist.
The rack seat machining and clamping device 10 has the beneficial effects that: the invention comprises a supporting device 20, a blocking device 30 and a clamping device 40, wherein the clamping device 40 comprises two clamping parts 41 and a driving device 42, the two clamping parts 41 are connected with the driving device 42 so as to be used for driving the two clamping parts 41 to clamp the toothed rail seat 50 through the driving device 42, time and labor are saved, the supporting device 20 and the blocking device 30 can be adjusted, the positions of the toothed rail seats 50 of different models can be conveniently adjusted, and the drilling efficiency of the toothed rail seat 50 is improved.
Wherein, the cross section of the supporting plate 22 is I-shaped, and two sides of the supporting plate 22 are provided with two identical I-shaped openings; the width of the two bases 411 is matched with the width of the two I-shaped openings, one side of the base 411 connected with the bolts 412 is fixed below the horizontal plane of the I-shaped openings, and the bolts 412 pass through the I-shaped openings, so that the suspended end 312 of the pressing plate 413 is positioned above the supporting plate 22, and the rack seat 50 is conveniently pressed.
The inclined plane 231 locating block 23 comprises an inclined plane 231 and a bottom surface 232, the bottom surface 232 is fixed on the supporting plate 22 and is located on one side close to the I-shaped opening, the direction of the inclined plane 231 is opposite to the direction of the I-shaped opening, the inclined plane 231 is inclined to the same extent as the inclined plane of the side surface of the rack seat 50, and when the rack seat 50 is placed on the supporting plate 22 to be clamped, the side surface of the rack seat 50 is closely attached to the inclined plane 231 of the inclined plane 231 locating block 23.
In a preferred embodiment, the bracket 21 comprises four screws 211 and eight nuts 212, the outer diameter of the screws 211 being matched with the aperture of the nuts 212; the lower end of the screw rod 211 is fixedly connected with the bottom plate, the upper end of the screw rod 211 passes through the supporting plate 22 and passes through nuts 212 arranged on the upper and lower sides of the supporting plate 22, the supporting plate 22 is fixed manually by screwing the nuts 212, when the supporting plate 22 needs to be heightened, the nuts 212 are unscrewed manually, the supporting plate 22 is moved upwards, and then the nuts 212 are screwed; when it is desired to lower the support plate 22, the nut 212 is manually unscrewed, the support plate 22 is moved downward, and the nut 212 is then screwed down. The embodiment is simple and easy to operate, can adjust the heights of the rack rail seats 50 of different models, and is very suitable for the rack rail seats 50 of the same model, which need to be machined and clamped on a large scale.
Further, the blocking device 30 comprises a U-shaped pressing plate 31, a sliding block 32 and a set screw 33; the U-shaped pressing plate 31 is provided with a U-shaped opening, one side of the U-shaped opening comprises a fixed end 311 fixed on the supporting plate 22 and a suspension end 312 with a gap between the fixed end 311 and the supporting plate 22, and the two suspension ends 312 on two sides of the U-shaped opening are oppositely arranged and form a slideway with the supporting plate 22; the slide block 32 is matched with the slide way; a set screw 33 is threaded through the free end 312 and into the free end 312; when the slider 32 slides into contact with the tooth rail seat 50, the set screw 33 above the push plate is rotated, causing the set screw 33 to compress the slider 32 to prevent the slider 32 from moving, securing the rear of the tooth rail seat 50. The embodiment is simple and easy to operate, can adjust the width of the gear rail seat 50 with different models, and is very suitable for the gear rail seat 50 with the same model, which needs to be processed and clamped in a large scale.
Further, the driving device 42 includes two cylinders 421, a connection hose 422 and a cylinder switch 423, the two cylinders 421 are respectively fixed on the left and right bases 411, two ends of the connection hose 422 are respectively communicated with the two cylinders 421, the cylinder switch 423 is installed on one of the cylinders 421, and the two cylinders 421 are synchronously controlled through the connection hose 422; the cylinder 421 comprises a cylinder 4211 and a piston rod 4212, a piston 42111 is arranged in the cylinder 4211, the direction of the piston rod 4212 is vertically upwards, the top end of the piston rod 4212 is matched with a half-cut opening of the pressure plate 413, and the bottom end of the piston rod 4212 is connected with the piston 42111 by press riveting; the cylinder 421 moves the piston 42111 by pressure air set by a person, changes the air inlet direction to change the movement direction of the piston rod 4212, turns on the cylinder switch 423, and when the piston 42111 slides smoothly up in the cylinder 4211, the piston rod 4212 moves synchronously upward, and at this time, the pressure plate 413 receiving end 4132 in contact with the piston rod 4212 moves synchronously upward, the clamping end 4133 moves downward around the fulcrum, the lower surface of the clamping end 4133 contacts with the rack seat 50, and the rack seat 50 is fixed between the clamping end 4133 of the pressure plate 413 and the support plate 22 for machining clamping; when the piston 42111 slides stably in the cylinder 4211, the piston rod 4212 is driven to synchronously move downwards, at this time, the stress end 4132 of the pressing plate 413 moves downwards due to gravity, the clamping end 4133 moves upwards around the pivot to leave the gear rail seat 50, the manual control pressing plate 413 rotates around the pivot, the semi-open notch 4131 of the pressing plate 413 is separated from the top end of the driving device 42, and the clamping end 4133 and the gear rail seat 50 do not interfere in the vertical direction, so that the workpiece is convenient to hoist. The pneumatic clamping driving method is used for clamping the workpiece, the clamping force of the air cylinder 421 can be adjusted, safety accidents caused by manual unclamping of the workpiece are avoided, and the machining reliability is improved; the pressure and the movement speed of the air cylinder 421 can be set through an external pressure adjusting device, the set numerical value is not changed generally, and the piston 42111 in the cylinder 4211 of the air cylinder 421 can move according to the setting only by manually opening the air cylinder switch 423; the operation is simple and easy to master, and the efficiency of machining and clamping the rack seat 50 can be increased.
The blocking device 30 of the embodiment can be matched with the toothed rail seats 50 with different widths, and the bracket 21 can be adjusted according to different heights of the toothed rail seats 50, so that the processing of the toothed rail seats 50 with different models is realized; the driving device 42, the bracket 21 in the supporting device 20 and the blocking device 30 in the invention can be selected according to actual situations, so that the invention is easy to popularize.
In this embodiment, the distance between the support plate 22 and the bottom plate when the screw 211 and the nut 212 are fixed at the highest position is measured manually in advance, the value of the maximum distance is recorded as a constant value to be convenient for each use, the height of a new type of tooth rail seat 50 is measured manually and recorded to obtain the value of the height of the tooth rail seat 50, and the value of the height of the tooth rail seat 50 is subtracted from the value of the maximum distance between the support plate 22 and the bottom plate to obtain the value of the adjustment height; any one screw 211 is measured upwards from the end, which is contacted with the bottom plate, of the screw 211, when the measured length is equal to the adjustment height, the corresponding position on the screw 211 is marked, the nut 212 on the screw 211 and positioned below the supporting plate 22 is unscrewed, and the nut 212 is adjusted to be screwed again at the marked position; the same method acts on the other three screws 211 and the other three nuts 212 positioned below the supporting plate 22, so that the four nuts 212 are positioned on the same horizontal plane, the supporting plate 22 descends to the upper ends of the four nuts 212 to stop due to gravity, the four nuts 212 positioned above the supporting plate 22 are unscrewed, the nuts 212 are re-screwed when descending to a position contacted with the supporting plate 22 due to gravity, the supporting plate 22 is stabilized, and meanwhile, the novel tooth rail seat 50 is positioned at the height; manually hoisting the novel tooth rail seat 50 onto the supporting plate 22, tightly attaching the side surface of the tooth rail seat 50 to the inclined surface 231 of the inclined surface positioning block 23, manually pushing the sliding block 32, and rotating the set screw 33 above the push plate when the sliding block 32 slides to be in contact with the tooth rail seat 50, so that the set screw 33 compresses the sliding block 32 to prevent the sliding block 32 from moving, and determining the width of the tooth rail seat 50 of the model is completed at the moment; the height and width of the positioning for this new type of tooth rail seat 50 is applicable to all tooth rail seats 50 of the same type, so that the large-scale clamping of this type of tooth rail seat 50 thereafter is no longer subject to positional adjustment, and if a different type of tooth rail seat 50 is to be clamped, it is repositioned according to the method described above.
Further, the two pressing plates 413 are manually rotated according to the opening direction of the half-open notch 4131 of the pressing plate 413, so that the top end of the piston rod 4212 reaches the lower surface of the stress end 4132 of the pressing plate 413 from the opening of the half-open notch 4131, and the piston rod 4212 is blocked by the closed part beside the half-open notch 4131, so that the pressing plate 413 cannot be continuously rotated by a person; at this time, the pressing ends of the two pressing plates 413 are located above the gear rail seat 50, when the cylinder switch 423 is turned on, and the piston 42111 slides stably in the cylinder 4211, the piston rod 4212 is driven to synchronously move upwards, at this time, the stress end 4132 of the pressing plate 413 is synchronously moved upwards by the upward force of the top end of the piston rod 4212, and the pressing ends press the gear rail seat 50 by the downward movement of the supporting points; when the piston 42111 slides smoothly in the cylinder 4211, the piston rod 4212 is also driven to synchronously move downwards, at this time, the stress end 4132 of the pressing plate 413 moves downwards due to gravity, the clamping end 4133 of the pressing plate 413 moves upwards around the fulcrum to leave the toothed rail seat 50, and the pressing plate 413 is manually rotated according to the opposite direction of the opening of the half-open notch 4131, so that the clamping end 4133 and the toothed rail seat 50 do not interfere in the vertical direction, and the lifting of the toothed rail seat 50 is completed. The next toothed rail seat 50 is placed at the same position, and the above operation is repeated, so that the batch processing and clamping of the toothed rail seat 50 of the model can be completed.
The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a rack seat processing clamping device which characterized in that: the device comprises a supporting device, a blocking device and a clamping device, wherein the blocking device is connected with the upper end of the supporting device and used for blocking the rear side of the rack seat;
The supporting device comprises a bracket, a supporting plate and an inclined plane positioning block, wherein the top end of the bracket is connected with the lower surface of the supporting plate to be used for fixing the supporting plate, and the supporting plate is parallel to the ground to be used for supporting the rack seat; the inclined plane positioning block is fixed on the supporting plate and used for fixing the left side of the rack seat;
The blocking device is arranged on the supporting plate, the clamping device comprises two clamping parts and a driving device, the two clamping parts are connected with the driving device and used for driving the two clamping parts to clamp the rack rail seat through the driving device, the clamping parts comprise bases, bolts, pressing plates and springs, and the two bases of the two clamping parts are respectively fixed on two sides of the bracket; the lower end of the bolt is fixed on the base and is positioned on one side of the base close to the bracket, the longitudinal section of the upper end of the bolt is in an inverted trapezoid shape, the length of the top edge of the inverted trapezoid is called as a large diameter, and the length of the bottom edge is called as a small diameter; the pressing plate comprises a stress end and a clamping end, the stress end is provided with a semi-open notch, the semi-open notch is matched with the top of the driving device, the clamping end is suspended to be used for contacting the toothed rail seat to clamp the toothed rail seat, a circular channel is arranged in the middle of the pressing plate, the diameter of the circular channel is smaller than the large diameter of the bolt and larger than the small diameter of the bolt, so that the upper edge of the circular channel of the pressing plate is tightly contacted with the bolt, the lower edge of the circular channel is not contacted with the bolt, the pressing plate can move on the bolt in the vertical direction by taking any point of the contact part of the circular channel and the bolt as a fulcrum, the movement direction of the stress end and the suspension end in the vertical direction is always opposite, the spring is sleeved on the bolt, and the outer diameter of the spring is larger than the diameter of the circular channel, so that the pressing plate is supported when the pressing plate rotates around the bolt;
The driving device drives the stress end of the pressing plate, when the stress end of the pressing plate moves upwards, the clamping end moves downwards around the fulcrum, the lower surface of the clamping end is contacted with the rack seat, and the rack seat is fixed between the clamping end of the pressing plate and the supporting plate for processing and clamping; when the stress end of the pressing plate moves downwards, the clamping end moves upwards around the pivot to leave the gear rail seat, the pressing plate is manually controlled to rotate around the pivot, the semi-open notch of the pressing plate is separated from the top end of the driving device, and the clamping end and the gear rail seat do not interfere in the vertical direction, so that the workpiece is conveniently lifted; the bracket comprises a plurality of screws and nuts, and the outer diameter of each screw is matched with the aperture of each nut; the lower end of the screw rod is fixedly connected with the bottom plate, the upper end of the screw rod penetrates through the supporting plate and penetrates through nuts arranged on the upper side and the lower side of the supporting plate, and the supporting plate is fixed manually by screwing the nuts; when the supporting plate needs to be heightened, the nut is manually unscrewed, the supporting plate is moved upwards, and then the nut is screwed; when the supporting plate needs to be lowered, the nut is manually unscrewed, the supporting plate is moved downwards, and then the nut is screwed; the cross section of the supporting plate is I-shaped, and two identical I-shaped openings are formed in two sides of the supporting plate; the width of the two bases is matched with the width of the two I-shaped openings, one side of the base, which is connected with the bolts, is fixed below the horizontal plane of the I-shaped openings, and the bolts pass through the I-shaped openings, so that the suspension end of the pressing plate is positioned above the supporting plate, and the rack seat is convenient to compress tightly.
2. The rack mount machining clamping device as claimed in claim 1, wherein: the inclined surface locating block comprises an inclined surface and a bottom surface, the bottom surface is fixed on the supporting plate and located on one side close to the I-shaped opening, the direction of the inclined surface is opposite to the direction of the I-shaped opening, the inclined degree of the inclined surface is consistent with the inclined degree of the side surface of the toothed rail seat, and when the toothed rail seat is placed on the supporting plate and clamped, the side surface of the toothed rail seat is closely attached to the inclined surface of the inclined surface locating block.
3. The rack mount machining clamping device as claimed in claim 1, wherein: the blocking device comprises a U-shaped pressing plate, a sliding block and a set screw; the U-shaped pressing plate is provided with a U-shaped opening, one side of the U-shaped opening comprises a fixed end fixed on the supporting plate and a suspension end with a gap between the fixed end and the supporting plate, and the two suspension ends on two sides of the U-shaped opening are oppositely arranged to form a slideway with the supporting plate; the sliding block is matched with the slideway; the set screw penetrates through the suspension end and is in threaded connection with the suspension end; when the sliding block slides to be in contact with the rear face of the rack seat, the set screw above the push plate is rotated, so that the set screw is pressed against the sliding block to prevent the sliding block from moving, and the rear face of the rack seat is fixed.
4. The rack mount machining clamping device as claimed in claim 1, wherein: the driving device comprises two air cylinders, a connecting hose and an air cylinder switch, wherein the two air cylinders are respectively fixed on a left base and a right base, two ends of the connecting hose are respectively communicated with the two air cylinders, the air cylinder switch is arranged on one air cylinder, and the two air cylinders are synchronously controlled through the connecting hose; the cylinder comprises a cylinder barrel and a piston rod, a piston is arranged in the cylinder barrel, the direction of the piston rod is vertical upwards, the top end of the piston rod is matched with a semi-notch opening of the pressing plate, and the bottom end of the piston rod is connected with the piston through press riveting; the cylinder moves the piston by pressure air with pressure set by manpower, changes the air inlet direction to change the movement direction of the piston rod, opens a cylinder switch, and synchronously moves upwards when the piston slides stably in the cylinder barrel, at the moment, the stress end of the pressing plate contacted with the piston rod synchronously moves upwards, the clamping end moves downwards around a fulcrum, the lower surface of the clamping end contacts with the rack seat, and the rack seat is fixed between the clamping end of the pressing plate and the supporting plate for processing and clamping; when the piston is in smooth and underground sliding motion in the cylinder barrel, the piston rod is driven to synchronously move downwards, at the moment, the stress end of the pressing plate moves downwards due to gravity, the clamping end moves upwards around the pivot, the clamping end is separated from the gear rail seat, the manual control pressing plate rotates around the pivot, the semi-open notch of the pressing plate is separated from the top end of the driving device, and the clamping end and the gear rail seat do not interfere in the vertical direction, so that workpieces are convenient to hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547155.1A CN109834487B (en) | 2018-12-18 | 2018-12-18 | Gear rail seat machining clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547155.1A CN109834487B (en) | 2018-12-18 | 2018-12-18 | Gear rail seat machining clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109834487A CN109834487A (en) | 2019-06-04 |
| CN109834487B true CN109834487B (en) | 2024-04-19 |
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| CN201811547155.1A Active CN109834487B (en) | 2018-12-18 | 2018-12-18 | Gear rail seat machining clamping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112620660B (en) * | 2020-12-17 | 2022-03-29 | 苏州市联佳精密机械有限公司 | Lathe machining device capable of automatically clamping workpiece |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202344275U (en) * | 2011-09-07 | 2012-07-25 | 林州重机集团股份有限公司 | Toothed rail drilling tooling of scraper conveyor |
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| CN209793196U (en) * | 2018-12-18 | 2019-12-17 | 宁夏天地奔牛实业集团有限公司 | Clamping device for machining rack rail seat |
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| TWM499283U (en) * | 2014-12-18 | 2015-04-21 | Twin Dragon Prec Co Ltd | An auto-flip fixture |
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| CN103978382A (en) * | 2014-05-26 | 2014-08-13 | 苏州铉动三维空间科技有限公司 | Hole drilling jig |
| CN204639203U (en) * | 2015-04-21 | 2015-09-16 | 重庆晨宇机床制造有限公司 | A kind of Boring machine processing transmission case |
| CN204913315U (en) * | 2015-08-06 | 2015-12-30 | 宁夏天地奔牛实业集团有限公司 | Mining cogged rail drilling equipment |
| CN105415019A (en) * | 2015-10-09 | 2016-03-23 | 滁州品之达电器科技有限公司 | Rotary table type tool device |
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| CN207223454U (en) * | 2017-09-15 | 2018-04-13 | 常州市一马机械有限公司 | A kind of seamless steel pipe hole milling fixture with step-less adjustment |
| CN108672740A (en) * | 2018-07-17 | 2018-10-19 | 太仓葛龙模具有限公司 | A kind of automobile die production and processing drilling equipment |
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|---|---|
| CN109834487A (en) | 2019-06-04 |
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