CN108714806B - Clamp for machining thin-wall product by numerical control machine tool - Google Patents
Clamp for machining thin-wall product by numerical control machine tool Download PDFInfo
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- CN108714806B CN108714806B CN201810891386.8A CN201810891386A CN108714806B CN 108714806 B CN108714806 B CN 108714806B CN 201810891386 A CN201810891386 A CN 201810891386A CN 108714806 B CN108714806 B CN 108714806B
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- limiting
- reset
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- block
- cover plate
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- 238000003754 machining Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims 4
- 238000012797 qualification Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
Abstract
The invention discloses a fixture for machining a thin-wall product by a numerical control machine tool, which is characterized in that: the device comprises a base, a supporting plate, a product placing block, a cover plate and a sliding plate, wherein the four corners at the bottom of the supporting plate are connected with the four corners at the top surface of the base through a supporting column, the product placing block is fixedly arranged on the top surface of the supporting plate, the sliding plate is arranged on the cover plate in a sliding manner, the cover plate is arranged on the top surface of the product placing block, the cover plate is locked on the product placing block through a locking mechanism, and a product placing groove is formed in the top surface of the product placing block; the left side and the right side of the supporting plate are respectively provided with an outer locking mechanism symmetrically; the left side and the right side of the cover plate are respectively provided with a notch, an inner supporting block is arranged in the notch, and the inner supporting block is arranged in the notch in a sliding manner; and the sliding plate is provided with a sliding plate resetting mechanism and a sliding plate limiting mechanism. The invention improves the processing quality and the qualification rate of the product.
Description
Technical Field
The invention relates to a product loading device, in particular to a clamp for machining a thin-wall product by a numerical control machine tool.
Background
In the notebook computer shell, after stamping forming, the peripheral end faces are required to be processed by a numerical control machine tool, the requirements on the size of product processing are strict, but the thickness of product meat provided by customers is extremely thin, the peripheral edges of the product are required to be processed, the skirt edges of the product are angled, so that the product is easy to deform in numerical control processing, and the rejection rate of the product is high. Therefore, how to solve the above technical problems is a direction that a person skilled in the art needs to make efforts.
Disclosure of Invention
The invention aims to provide the fixture for machining the thin-wall product by the numerical control machine tool, and by using the structure, the machining quality of the product is improved, and the qualification rate of the product is improved.
In order to achieve the above purpose, the invention adopts the following technical scheme: the fixture for machining the thin-wall product by the numerical control machine tool comprises a base, a supporting plate, a product placing block, a cover plate and a sliding plate, wherein the four corners at the bottom of the supporting plate are connected with the four corners at the top surface of the base through a supporting column;
the left side and the right side of the supporting plate are respectively provided with an outer locking mechanism symmetrically, the outer locking mechanisms comprise a fixed plate, a transverse telescopic cylinder and outer pushing blocks, the inner side of the fixed plate is fixedly arranged on the top surface of the supporting plate, the bottom of the transverse telescopic cylinder is arranged on the fixed plate, the outer side of the outer pushing blocks is connected with an output shaft of the transverse telescopic cylinder, and the outer pushing blocks of the two groups of outer locking mechanisms are oppositely arranged;
the left side and the right side of the sliding plate are respectively provided with an inclined plane, and the inclined planes are arranged inwards from back to front in an inclined manner;
the left side and the right side of the cover plate are respectively provided with a notch, and each notch is opposite to one outer push block; an inner supporting block is arranged in the gap in a sliding manner and is arranged in the gap, the inner supporting block is arranged opposite to the outer pushing block, two transverse strip-shaped through grooves are formed in a cover plate at the top of each inner supporting block and are parallel to an output shaft of the transverse telescopic cylinder, a supporting shaft is inserted in each transverse strip-shaped through groove, the bottom of the supporting shaft is connected with the top of the inner supporting block, a bearing is sleeved on the top of the supporting shaft, the bearing is arranged on the top surface of the cover plate, and the outer edge surface of the bearing abuts against the corresponding inclined surface;
the left side and the right side of the sliding plate are respectively provided with a vertical strip-shaped through groove, the vertical strip-shaped through grooves are perpendicular to the transverse strip-shaped through grooves, a sliding plate reset mechanism is arranged in each group of vertical strip-shaped through grooves, the sliding plate reset mechanism is fixedly arranged on the top surface of the cover plate, and the front end of the sliding plate reset mechanism is propped against the inner wall of the vertical strip-shaped through groove;
the middle part of slide is equipped with a spacing breach, be equipped with a slide stop gear in the spacing breach, slide stop gear's bottom install in on the apron, slide stop gear's top pass spacing breach set up in directly over the slide.
In the above technical scheme, the limit notch comprises a front notch and a rear notch which are communicated with each other, and the width of the rear notch is smaller than that of the front notch; the sliding plate limiting mechanism comprises a limiting plate, a limiting spring and a limiting column, wherein the limiting column is of a hollow structure with an opening at the bottom, a limiting hole is formed in the bottom of the limiting column, a through hole is formed in the cover plate, the limiting spring is inserted into the through hole, the limiting plate is fixed to the bottom of the cover plate, the bottom of the limiting spring penetrates through the through hole and is connected with the top of the limiting plate, the top of the limiting spring is inserted into the limiting hole of the limiting column, the limiting column is inserted into the limiting notch, and the diameter of the limiting column is smaller than the width of the rear side notch; a limiting ring is arranged at the top of the limiting column, and the diameter of the limiting ring is smaller than the width of the front side notch; the outer edge surface of the limit post is provided with a first annular bulge and a second annular bulge, the first annular bulge is arranged on the outer edge surface of the bottom of the limit post, the bottom of the second annular bulge is propped against the top surface of the first annular bulge, the diameter of the first annular bulge is larger than that of the second annular bulge, and the diameter of the second annular bulge is smaller than or equal to the width of the rear side notch; the first annular bulge is arranged below the cover plate, and the second annular bulge is inserted into the limiting notch.
In the above technical scheme, slide canceling release mechanical system includes locating piece, release lever and reset spring, the bottom fixed mounting of locating piece in on the apron, the bottom of locating piece is equipped with a reset mounting groove, the leading flank of reset mounting groove with the leading flank of locating piece is linked together, the release lever inserts and locates in the reset mounting groove, be equipped with a reset hole on the rear end face of release lever, reset spring's rear end support in on the rear end face of reset mounting groove, reset spring's front end insert locate in the reset hole, just the front end of release lever support in on the inner wall of vertical bar logical groove.
In the above technical scheme, the front side and the rear side of each inner supporting block are respectively provided with a reset through groove, each group of reset through grooves is internally provided with a reset block and a transverse reset spring, the top of the reset block is fixed on the cover plate through a limiting pin, the left side of the transverse reset spring is connected with the right side surface of the reset block, and the right side of the transverse reset spring is propped against the right side inner wall of the reset through groove.
In the above technical scheme, be equipped with a plurality of vertical logical grooves on the slide, every vertical logical inslot is equipped with a limit bearing, limit bearing's outer fringe face support in on the inner wall of vertical logical groove, limit bearing pass through spacing axle with the top surface of apron links to each other, just vertical logical groove's length is greater than limit bearing's diameter.
In the above technical scheme, the locking mechanism comprises a plurality of groups of pull rods, wherein a pull material cylinder is arranged at the bottom of each group of pull rods, an output shaft of each group of pull material cylinder is connected with the bottom of one pull rod, the pull material cylinder is arranged on the bottom surface of the supporting plate, and the pull rods penetrate through the supporting plate and the product placing block and are arranged right above the product placing block; and a plurality of through holes are formed in the corresponding cover plate and are opposite to the pull rod, and the top of the pull rod passes through the through holes and is arranged right above the cover plate and the sliding plate.
In the technical scheme, the top of the pull rod is provided with the screw head, and the diameter of the through hole is larger than or equal to the diameter of the screw head; the sliding plate is provided with a plurality of locking holes which are opposite to the through holes, and the pull rod and the screw head pass through the locking holes and are arranged right above the sliding plate.
In the above technical solution, the locking hole includes a front locking hole and a rear locking hole that are mutually communicated, the diameter of the front locking hole is larger than the diameter of the rear locking hole, the diameter of the front locking hole is larger than or equal to the diameter of the screw head, the diameter of the rear locking hole is smaller than the diameter of the screw head, and the diameter of the rear locking hole is larger than or equal to the diameter of the pull rod; when the pull rod is inserted into the rear side locking hole, the output shaft of the material pulling cylinder is retracted, so that the bottom surface of the screw head is propped against the top surface of the sliding plate.
In the technical scheme, two handles are arranged on the top surface of the cover plate.
In the above technical scheme, the top surface rear side of the product placing block is provided with the baffle block.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the invention, the product is placed through the product placing groove, the cover plate is utilized to compress the product, the outer side of the product is locked by the outer side locking mechanism, the inner side of the skirt edge of the product is fixed by the inner supporting block, and the product is locked by the outer side locking mechanism and the inner supporting block, so that the locking force of the product can be increased, the processing quality of the product is ensured, and the qualification rate of the product processing is improved.
Drawings
FIG. 1 is a schematic view of a first embodiment of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is an exploded view of the structure of FIG. 1;
FIG. 4 is an enlarged view I of a portion of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 3;
FIG. 6 is a schematic view of a skateboard according to a first embodiment of the present invention;
FIG. 7 is a schematic view of a mounting cross-sectional structure of a stopper post according to a first embodiment of the present invention;
fig. 8 is a schematic cross-sectional view of the connection between the reset block and the inner support block in the first embodiment of the present invention.
Wherein: 1. a base; 2. a support plate; 3. a product placement block; 4. a cover plate; 5. a slide plate; 6. a support column; 7. a product placement groove; 8. a fixing plate; 9. a transverse telescopic cylinder; 10. an outer push block; 11. an inclined plane; 12. a notch; 13. an inner support block; 14. a transverse strip-shaped through groove; 15. a support shaft; 16. a bearing; 17. vertical strip-shaped through grooves; 18. limiting notch; 19. a handle; 20. product locating pins; 21. a cover plate positioning pin; 22. a positioning block; 23. a reset lever; 24. a return spring; 25. resetting the mounting groove; 26. a front side notch; 27. a rear side notch; 28. a limiting plate; 29. a limit spring; 30. a limit column; 31. a limiting hole; 32. a through hole; 33. a limiting ring; 34. a first annular projection; 35. a second annular projection; 36. resetting the through groove; 37. a reset block; 38. a transverse return spring; 39. a limiting pin; 40. a vertical through groove; 41. a limit bearing; 42. a limiting shaft; 43. a pull rod; 44. a material pulling cylinder; 45. a screw head; 46. a locking hole; 47. a front locking hole; 48. a rear locking hole; 49. a material blocking block; 50. a mounting plate; 51. an extension plate.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings and examples:
embodiment one: referring to fig. 1-8, a fixture for machining a thin-wall product by a numerical control machine tool comprises a base 1, a support plate 2, a product placement block 3, a cover plate 4 and a sliding plate 5, wherein the four corners at the bottom of the support plate 2 are connected with the four corners at the top surface of the base 1 through a support column 6, the product placement block 3 is fixedly installed on the top surface of the support plate 2, the sliding plate 5 is slidingly arranged on the cover plate 4, the cover plate 4 is placed on the top surface of the product placement block 3, the cover plate 4 is locked on the product placement block 3 through a locking mechanism, and a product placement groove 7 is formed in the top surface of the product placement block 3;
the left side and the right side of the supporting plate 2 are respectively provided with an outer locking mechanism symmetrically, the outer locking mechanisms comprise a fixed plate 8, a transverse telescopic cylinder 9 and outer push blocks 10, the inner side of the fixed plate 8 is fixedly arranged on the top surface of the supporting plate 2, the bottom of the transverse telescopic cylinder 9 is arranged on the fixed plate 8, the outer sides of the outer push blocks 10 are connected with an output shaft of the transverse telescopic cylinder 9, and the outer push blocks of the two groups of outer locking mechanisms are oppositely arranged;
the left side and the right side of the sliding plate 5 are respectively provided with an inclined surface 11 which is arranged inwards from back to front in an inclined manner;
the left side and the right side of the cover plate 4 are respectively provided with a notch 12, and each notch 12 is opposite to one outside pushing block 10; an inner supporting block 13 is arranged in the notch 12, the inner supporting block 13 is slidably arranged in the notch 12, the inner supporting block 13 is arranged opposite to the outer pushing block 10, two transverse strip-shaped through grooves 14 are formed in a cover plate at the top of each inner supporting block 13, the transverse strip-shaped through grooves 14 are parallel to an output shaft of the transverse telescopic cylinder 9, a supporting shaft 15 is inserted into each transverse strip-shaped through groove 14, the bottom of the supporting shaft 15 is connected with the top of the inner supporting block 13, a bearing 16 is sleeved at the top of the supporting shaft 15, the bearing 16 is arranged on the top surface of the cover plate 4, and the outer edge surface of the bearing 16 is propped against the corresponding inclined surface 11;
the left side and the right side of the sliding plate are respectively provided with a vertical strip-shaped through groove 17, the vertical strip-shaped through grooves 17 are perpendicular to the transverse strip-shaped through grooves 14, each group of vertical strip-shaped through grooves 17 are internally provided with a sliding plate reset mechanism, the sliding plate reset mechanism is fixedly arranged on the top surface of the cover plate 4, and the front end of the sliding plate reset mechanism is propped against the inner wall of the vertical strip-shaped through groove 17;
the middle part of slide 5 is equipped with a spacing breach 18, be equipped with a slide stop gear in the spacing breach 18, slide stop gear's bottom install in on the apron, slide stop gear's top passes spacing breach set up in directly over the slide.
Two handles 19 are provided on the top surface of the cover plate 4. Wherein, the product placing block 3 is provided with a product positioning pin 20 and a cover plate positioning pin 21, and a positioning hole is arranged on the corresponding cover plate. A baffle block 49 is provided on the rear side of the top surface of the product placement block.
In this embodiment, when using, operating personnel grasp the handle, take off apron and slide from the product place the piece on, then put into the product standing groove with the product, utilize the product locating pin to fix a position the product and place, operating personnel is pressing the apron on the surface of product, utilize apron locating pin and locating hole to fix a position the apron, just so carry out a preliminary location to the product, wherein, the shirt rim setting of product is in the outside of apron and product place the piece. Then open slide stop gear, owing to slide stop gear's existence has been opened in addition, slide stop gear is to the spacing of slide, slide stop gear can promote the slide and move forward like this, at the in-process that the slide moved forward, owing to the existence of inclined plane, the front is moved forward, and the rear side on inclined plane is wider and wider, the inclined plane can promote bearing and back shaft outward movement like this, namely promote the outer removal of interior supporting shoe, interior supporting shoe withstands the inboard of product shirt rim again, then transversely stretch out and draw back the output shaft of cylinder, drive the outside pushing shoe and compress tightly the outside of shirt rim, just so can carry out the shirt rim spacing to the product, reuse locking mechanism is fixed apron and slide locking above the product placement block like this can lock fixedly with the product, be convenient for numerical control machine tool like this to process the product, processingquality is good moreover, the qualification rate is high.
Referring to fig. 1-6, the slide plate resetting mechanism includes a positioning block 22, a resetting rod 23 and a resetting spring 24, wherein the bottom of the positioning block 22 is fixedly mounted on the cover plate 4, a resetting mounting groove 25 is formed in the bottom (or on the front end surface) of the positioning block 22, the front side surface of the resetting mounting groove 25 is communicated with the front side surface of the positioning block, the resetting rod is inserted in the resetting mounting groove, a resetting hole is formed in the rear end surface of the resetting rod, the rear end of the resetting spring abuts against the rear end surface of the resetting mounting groove, the front end of the resetting spring is inserted in the resetting hole, and the front end of the resetting rod abuts against the inner wall of the vertical strip-shaped through groove. In a normal state, due to the existence of the reset spring, the position of the positioning block is fixed on the cover plate, so that the reset spring always pushes the reset rod to push forward, namely the sliding plate is pushed to move towards the front side of the cover plate.
Referring to fig. 1 to 7, the limiting notch 18 includes a front notch 26 and a rear notch 27 that are mutually communicated, and the width of the rear notch is smaller than that of the front notch; the slide plate limiting mechanism comprises a limiting plate 28, a limiting spring 29 and a limiting post 30, wherein the limiting post 30 is of a hollow structure with an opening at the bottom, a limiting hole 31 is formed in the bottom of the limiting post, a through hole 32 is formed in the cover plate 4, the limiting spring 29 is inserted into the through hole, the limiting plate 28 is fixed at the bottom of the cover plate 4, the bottom of the limiting spring 29 penetrates through the through hole 32 to be connected with the top of the limiting plate 28, the top of the limiting spring 29 is inserted into the limiting hole 31 of the limiting post 30, the limiting post 30 is inserted into the limiting notch 18, and the diameter of the limiting post 30 is smaller than the width of the rear notch; a limiting ring 33 is arranged at the top of the limiting post 30, and the diameter of the limiting ring 33 is smaller than the width of the front side notch 26; the outer edge surface of the limit post 30 is provided with a first annular bulge 34 and a second annular bulge 35, the first annular bulge is arranged on the outer edge surface of the bottom of the limit post, the bottom of the second annular bulge is propped against the top surface of the first annular bulge, the diameter of the first annular bulge is larger than that of the second annular bulge, and the diameter of the second annular bulge is smaller than or equal to the width of the rear side notch; the first annular bulge is arranged below the cover plate, and the second annular bulge is inserted into the limiting notch.
In this embodiment, the through hole is the ladder type through hole, and the through hole includes by supreme first through hole, second through hole and the third through hole down, and the diameter of first through hole is greater than the diameter of second through hole, and the diameter of second through hole is greater than the diameter of third through hole, and the limiting plate is placed in first through hole, and the bottom surface of limiting plate is in the inside of first through hole or support on the top surface of product placement block. The first annular bulge is movably inserted in the second through hole, the first annular bulge is movably inserted in the first through hole, the diameter of the second through hole is larger than or equal to that of the first annular bulge, but the diameter of the first annular bulge is larger than that of the third through hole. The first annular protrusion is limited by the second through hole. Under normal condition, operating personnel press the spacing ring, push down spacing post, overcome spacing spring's elasticity, make spacing ring card go into in the front side breach, simultaneously because reset spring can push the slide through the reset lever always and remove forward, also can promote the rear side breach and block the outer fringe face of spacing ring, make spacing spring's elasticity can't promote spacing post and rise, spacing post and diameter are less than the position that the rear side breach of spacing ring can block the slide like this, make the slide fix in this position, that is, the swash plate does not move forward, the swash plate just can't promote the bearing and outwards remove, just can't drive the shirt rim of interior supporting shoe outwards removal jack up the product. After the product is loaded, an operator slightly forcefully pushes the sliding plate backwards a little, the elasticity of the reset spring is overcome, namely the limit force of the limit notch to the limit ring is relieved, the limit post is pushed to ascend by the limit spring due to the elasticity of the limit spring, namely the limit post is driven to be separated from the limit notch, the limit post can only ascend a certain distance to be blocked due to the limit of the second through hole to the first annular bulge, namely the limit post is separated from the limit notch, the limit post and the limit post temporarily do not move forwards and backwards to form limit to the sliding plate any more, the reset spring pushes the reset rod to move forwards, the sliding plate can be pushed to move forwards by the reset rod (in the process, the limit post can move in the rear notch, the width of the rear notch can be larger than or equal to the diameter of the limit post), in the process, the inclined plane can also move forwards, the inner support block is pushed to move outwards to prop against the inner side of the product skirt through the change of the inclined plane angle, and the outer push block is used to prop against the outer side of the product skirt to lock the product, so that the clamping quality of the product is ensured. In the process, the sliding plate, namely the inner supporting block, can be always supported by the existence of the reset spring, so that the inner supporting quality of the skirt edge can be ensured in the processing process, the processing quality of a product is ensured, the deformation is prevented, and the processing qualification rate is ensured.
Referring to fig. 8, a reset through slot 36 is respectively provided on the front side and the rear side of each inner support block 13, a reset block 37 and a transverse reset spring 38 are provided in each set of reset through slots 36, the top of the reset block 37 is fixed on the cover plate 4 through a mounting plate 50 and a limiting pin 39, the left side of the transverse reset spring is connected with the right side surface of the reset block, and the right side of the transverse reset spring is propped against the right side inner wall of the reset through slot. Wherein, the bottom both sides of reset piece are equipped with extension board 51, and the top surface of extension board supports on the bottom surface of interior supporting piece, carries out spacingly to interior supporting piece like this.
In this embodiment, after the slider moves forward, the inner support block is driven to move outwards to tightly prop the inner side of the product skirt, if the product processing is completed, when the product needs to be disassembled, the slider is pushed to move backwards, so that the limiting ring faces the front side notch, then the limiting column is pressed down, so that the limiting ring abuts against the front side notch of the limiting notch, and the position of the sliding plate is limited. When the slide moves backward, in order to ensure that the inner supporting block can synchronously move inwards, the limit to the inner side of the product skirt is relieved, and the setting of the reset block and the transverse reset spring is adopted, so that the inclined surface releases the outward thrust to the bearing due to the backward movement of the slide, and the reset block is fixed due to the existence of the transverse reset spring, so that the transverse reset spring can push the inner supporting block to move inwards, and the limit to the inner side of the product skirt is relieved, so that the product can be conveniently and rapidly locked and limited.
Referring to fig. 1 to 6, the sliding plate 5 is provided with a plurality of vertical through grooves 40, each vertical through groove 40 is internally provided with a limit bearing 41, the outer edge surface of the limit bearing 41 is propped against the inner wall of the vertical through groove 40, the limit bearing 41 is connected with the top surface of the cover plate through a limit shaft 42, and the length of the vertical through groove is larger than the diameter of the limit bearing.
In this embodiment, in order to guarantee the stability that the slide can be at the upper surface removal of fore-and-aft direction, prevent the off normal that the slide removed, through vertical logical groove and limit bearing's setting, can carry out spacingly to the slide like this, guarantee the mobility stability of slide.
Referring to fig. 1-3, the locking mechanism comprises a plurality of groups of pull rods 43, wherein a pull material cylinder 44 is arranged at the bottom of each group of pull rods, the output shaft of each group of pull material cylinder is connected with the bottom of one pull rod, the pull material cylinder is arranged on the bottom surface of the supporting plate, and the pull rods penetrate through the supporting plate and the product placing block and are arranged right above the product placing block; a plurality of through holes are formed in the cover plate 4 and are opposite to the pull rod, and the top of the pull rod passes through the through holes and is arranged right above the cover plate and the sliding plate.
A screw head 45 is arranged at the top of the pull rod 43, and the diameter of the through hole is larger than or equal to that of the screw head; the sliding plate 5 is provided with a plurality of locking holes 46 which are opposite to the through holes, and the pull rod and the screw head pass through the locking holes and are arranged right above the sliding plate.
The locking hole 46 comprises a front locking hole 47 and a rear locking hole 48 which are communicated with each other, wherein the diameter of the front locking hole is larger than that of the rear locking hole, the diameter of the front locking hole is larger than or equal to that of the screw head, the diameter of the rear locking hole is smaller than that of the screw head, and the diameter of the rear locking hole is larger than or equal to that of the pull rod; when the pull rod is inserted into the rear side locking hole, the output shaft of the material pulling cylinder is retracted, so that the bottom surface of the screw head is propped against the top surface of the sliding plate.
In this embodiment, when the slide pushes the inner support block to limit the inner side of the skirt of the product, the outer side push block limits the outer side of the skirt of the product. After the apron is pressed on the product, the slide is normally behind the apron, namely pull rod and spiral shell head pass the via hole of apron, pass the front side locking hole of slide locking hole, then the slide slides forward and locks the inboard shirt rim of product, because the position of pull rod is fixed with the apron relatively, the slide is when moving forward like this, the locking hole moves forward, make the pull rod remove from front side locking hole to the rear side locking downthehole, after the slide moves in place, namely drive interior supporting shoe and tightly support the inboard of product shirt rim, the output shaft of pulling material cylinder is retracted, drive pull rod and spiral shell head decline, because the pull rod is in rear side locking Kong Nie this moment, the diameter of spiral shell head can be greater than the rear side locking screw, the bottom surface of spiral shell head can support on the top surface of slide like this, compress tightly the slide, in the in-process to the product processing, further prevent the slide from moving through the spiral shell head, namely carry out tight to interior supporting shoe, guarantee the compact quality of product, guarantee the product processing qualification rate. Wherein, set up a controller, be connected with drawing the material cylinder, control and draw the work of material cylinder.
Claims (8)
1. A fixture for machining a thin-wall product by a numerical control machine tool is characterized in that: the device comprises a base, a supporting plate, a product placing block, a cover plate and a sliding plate, wherein the four corners at the bottom of the supporting plate are connected with the four corners at the top surface of the base through a supporting column, the product placing block is fixedly arranged on the top surface of the supporting plate, the sliding plate is arranged on the cover plate in a sliding manner, the cover plate is arranged on the top surface of the product placing block, the cover plate is locked on the product placing block through a locking mechanism, and a product placing groove is formed in the top surface of the product placing block;
the left side and the right side of the supporting plate are respectively provided with an outer locking mechanism symmetrically, the outer locking mechanisms comprise a fixed plate, a transverse telescopic cylinder and outer pushing blocks, the inner side of the fixed plate is fixedly arranged on the top surface of the supporting plate, the bottom of the transverse telescopic cylinder is arranged on the fixed plate, the outer side of the outer pushing blocks is connected with an output shaft of the transverse telescopic cylinder, and the outer pushing blocks of the two groups of outer locking mechanisms are oppositely arranged;
the left side and the right side of the sliding plate are respectively provided with an inclined plane, and the inclined planes are arranged inwards from back to front in an inclined manner;
the left side and the right side of the cover plate are respectively provided with a notch, and each notch is opposite to one outer push block; an inner supporting block is arranged in the gap in a sliding manner and is arranged in the gap, the inner supporting block is arranged opposite to the outer pushing block, two transverse strip-shaped through grooves are formed in a cover plate at the top of each inner supporting block and are parallel to an output shaft of the transverse telescopic cylinder, a supporting shaft is inserted in each transverse strip-shaped through groove, the bottom of the supporting shaft is connected with the top of the inner supporting block, a bearing is sleeved on the top of the supporting shaft, the bearing is arranged on the top surface of the cover plate, and the outer edge surface of the bearing abuts against the corresponding inclined surface;
the left side and the right side of the sliding plate are respectively provided with a vertical strip-shaped through groove, the vertical strip-shaped through grooves are perpendicular to the transverse strip-shaped through grooves, a sliding plate reset mechanism is arranged in each group of vertical strip-shaped through grooves, the sliding plate reset mechanism is fixedly arranged on the top surface of the cover plate, and the front end of the sliding plate reset mechanism is propped against the inner wall of the vertical strip-shaped through groove;
the middle part of the sliding plate is provided with a limiting notch, a sliding plate limiting mechanism is arranged in the limiting notch, the bottom of the sliding plate limiting mechanism is arranged on the cover plate, and the top of the sliding plate limiting mechanism passes through the limiting notch and is arranged right above the sliding plate; the limiting notch comprises a front notch and a rear notch which are communicated with each other, and the width of the rear notch is smaller than that of the front notch; the sliding plate limiting mechanism comprises a limiting plate, a limiting spring and a limiting column, wherein the limiting column is of a hollow structure with an opening at the bottom, a limiting hole is formed in the bottom of the limiting column, a through hole is formed in the cover plate, the limiting spring is inserted into the through hole, the limiting plate is fixed to the bottom of the cover plate, the bottom of the limiting spring penetrates through the through hole and is connected with the top of the limiting plate, the top of the limiting spring is inserted into the limiting hole of the limiting column, the limiting column is inserted into the limiting notch, and the diameter of the limiting column is smaller than the width of the rear side notch; a limiting ring is arranged at the top of the limiting column, and the diameter of the limiting ring is smaller than the width of the front side notch; the outer edge surface of the limit post is provided with a first annular bulge and a second annular bulge, the first annular bulge is arranged on the outer edge surface of the bottom of the limit post, the bottom of the second annular bulge is propped against the top surface of the first annular bulge, the diameter of the first annular bulge is larger than that of the second annular bulge, and the diameter of the second annular bulge is smaller than or equal to the width of the rear side notch; the first annular bulge is arranged below the cover plate, and the second annular bulge is inserted into the limit notch; the sliding plate reset mechanism comprises a positioning block, a reset rod and a reset spring, wherein the bottom of the positioning block is fixedly arranged on the cover plate, a reset installation groove is formed in the bottom of the positioning block, the front side surface of the reset installation groove is communicated with the front side surface of the positioning block, the reset rod is inserted into the reset installation groove, a reset hole is formed in the rear end surface of the reset rod, the rear end of the reset spring abuts against the rear end surface of the reset installation groove, the front end of the reset spring is inserted into the reset hole, and the front end of the reset rod abuts against the inner wall of the vertical strip-shaped through groove.
2. The fixture for machining thin-walled products by using a numerical control machine according to claim 1, wherein: the front side and the rear side of each inner supporting block are respectively provided with a reset through groove, each reset through groove is internally provided with a reset block and a transverse reset spring, the top of each reset block is fixed on the cover plate through a limiting pin, the left side of each transverse reset spring is connected with the right side surface of each reset block, and the right side of each transverse reset spring is propped against the right side inner wall of each reset through groove.
3. The fixture for machining thin-walled products by using a numerical control machine according to claim 1, wherein: the sliding plate is provided with a plurality of vertical through grooves, each vertical through groove is internally provided with a limit bearing, the outer edge surface of the limit bearing is propped against the inner wall of the vertical through groove, the limit bearing is connected with the top surface of the cover plate through a limit shaft, and the length of the vertical through groove is larger than the diameter of the limit bearing.
4. The fixture for machining thin-walled products by using a numerical control machine according to claim 1, wherein: the locking mechanism comprises a plurality of groups of pull rods, a pull rod cylinder is arranged at the bottom of each group of pull rods, an output shaft of each group of pull rod cylinder is connected with the bottom of one pull rod, the pull rod cylinder is arranged on the bottom surface of the supporting plate, and the pull rods penetrate through the supporting plate and the product placing block and are arranged right above the product placing block; and a plurality of through holes are formed in the corresponding cover plate and are opposite to the pull rod, and the top of the pull rod passes through the through holes and is arranged right above the cover plate and the sliding plate.
5. The fixture for machining thin-walled products by using a numerical control machine according to claim 4, wherein: the top of the pull rod is provided with a screw head, and the diameter of the through hole is larger than or equal to the diameter of the screw head; the sliding plate is provided with a plurality of locking holes which are opposite to the through holes, and the pull rod and the screw head pass through the locking holes and are arranged right above the sliding plate.
6. The fixture for machining thin-walled products by a numerical control machine according to claim 5, wherein: the locking hole comprises a front locking hole and a rear locking hole which are communicated with each other, the diameter of the front locking hole is larger than that of the rear locking hole, the diameter of the front locking hole is larger than or equal to that of the screw head, the diameter of the rear locking hole is smaller than that of the screw head, and the diameter of the rear locking hole is larger than or equal to that of the pull rod; when the pull rod is inserted into the rear side locking hole, the output shaft of the material pulling cylinder is retracted, so that the bottom surface of the screw head is propped against the top surface of the sliding plate.
7. The fixture for machining thin-walled products by using a numerical control machine according to claim 1, wherein: two handles are arranged on the top surface of the cover plate.
8. The fixture for machining thin-walled products by using a numerical control machine according to claim 1, wherein: the top surface rear side of the product placing block is provided with a baffle block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891386.8A CN108714806B (en) | 2018-08-07 | 2018-08-07 | Clamp for machining thin-wall product by numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891386.8A CN108714806B (en) | 2018-08-07 | 2018-08-07 | Clamp for machining thin-wall product by numerical control machine tool |
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| Publication Number | Publication Date |
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| CN108714806A CN108714806A (en) | 2018-10-30 |
| CN108714806B true CN108714806B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810891386.8A Active CN108714806B (en) | 2018-08-07 | 2018-08-07 | Clamp for machining thin-wall product by numerical control machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421365A (en) * | 2019-09-16 | 2019-11-08 | 无锡迈泽科技有限公司 | 5G communication filter cover board, which quickly positions, exchanges tooling |
| CN112276267B (en) * | 2020-10-16 | 2022-09-27 | 长春理工大学 | Titanium alloy weak-rigidity part precision linear cutting clamping device and working method thereof |
| CN112847200B (en) * | 2021-01-12 | 2022-08-02 | 苏州丰航精密金属有限公司 | Special fixture for easily-deformed parts |
| CN113787481A (en) * | 2021-07-27 | 2021-12-14 | 广德竹昌电子科技有限公司 | Assembling device and assembling method for notebook computer shell |
| CN115194210A (en) * | 2022-09-14 | 2022-10-18 | 徐州市舜瑞琪五金工具有限公司 | Drilling equipment is used in coupling processing |
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| JP2010179390A (en) * | 2009-02-04 | 2010-08-19 | Honda Motor Co Ltd | Clamp device and clamp method for flat thin plate-like work |
| CN202780557U (en) * | 2012-08-20 | 2013-03-13 | 珠海市润星泰电器有限公司 | Combined fixture for bearing hole in die casting piece |
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|---|---|
| CN108714806A (en) | 2018-10-30 |
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