CN212384672U - Conical shell machining device - Google Patents

Conical shell machining device Download PDF

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Publication number
CN212384672U
CN212384672U CN202021203578.4U CN202021203578U CN212384672U CN 212384672 U CN212384672 U CN 212384672U CN 202021203578 U CN202021203578 U CN 202021203578U CN 212384672 U CN212384672 U CN 212384672U
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Prior art keywords
template
conical shell
positioning
lower template
processing apparatus
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CN202021203578.4U
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Chinese (zh)
Inventor
刘小玲
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Guizhou Aerospace Electronic Technology Co Ltd
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Guizhou Aerospace Electronic Technology Co Ltd
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Abstract

The utility model provides a conical shell processing device, which comprises a lower template and an upper template; a positioning mandrel is arranged between the lower template and the upper template, and the lower template, the conical shell, the positioning mandrel and the upper template are sequentially stacked; the upper end of the middle part of the positioning core shaft is provided with a cylindrical convex supporting column. The processing of the flange surface and the upper surface mounting hole of the conical shell can be efficiently finished only by clamping once, the operation is convenient, the production efficiency is high, the workpiece is not deformed, the product quality is stable and consistent, and the interchangeability of the product is improved; simple structure, convenient manufacture, low cost and extremely strong economical efficiency and practicability in batch production.

Description

Conical shell machining device
Technical Field
The utility model relates to a toper shell processingequipment.
Background
In modern electronic products, mechanical mounting base parts are often designed into a tapered housing in order to meet the special mounting and docking requirements of the product. The conical shell is thin in wall, mounting holes are formed in the flange face and the upper surface of the conical shell, and a hollow structure is arranged in the middle of the conical shell, as shown in figures 6 and 7. The conical shell is of a rotary structure, and in order to improve production efficiency, the flange and the mounting hole on the upper surface are machined by turning the appearance and the inner hole and then milling a point hole and drilling the hole.
Because the conical shell is of a hollow structure and is thin in wall, after the appearance and the inner hole are machined, when the flange surface and the upper surface mounting hole are machined, clamping is very inconvenient, workpieces are easy to deform, the quality is difficult to control, the mounting holes in the flange surface and the upper surface can be machined through point holes and drilling in a twice clamping mode, operation is complex, production efficiency is low, and product consistency is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a toper shell processingequipment, this toper shell processingequipment only need the clamping once just can accomplish the processing of toper shell flange face and last surface mounting hole by the efficient, the simple operation, production efficiency is high, and the work piece is indeformable moreover, and product quality is stable unanimous.
The utility model discloses a following technical scheme can realize.
The utility model provides a conical shell processing device, which comprises a lower template and an upper template; a positioning mandrel is arranged between the lower template and the upper template, and the lower template, the conical shell, the positioning mandrel and the upper template are sequentially stacked; the upper end of the middle part of the positioning core shaft is provided with a cylindrical convex supporting column.
The upper template is in a cross fork shape, and a support column penetrates through the upper template and the lower template and is fixed on the upper template and the lower template through knob nuts and knurled nuts at two ends.
The pillar is divided into three sections, namely a thread section at the upper end, a positioning section at the middle part and a matching section at the lower end, wherein the upper end penetrates through the upper template and is in threaded matching with the knob nut, the positioning section is positioned on the side of the conical shell and the positioning mandrel, the matching section is fixed in the knurled nut, a stud in the knurled nut penetrates through and is fixed on the guide sleeve, the hook-shaped pressing plate is sleeved in the guide sleeve, and the guide sleeve penetrates through the lower template.
The middle part of the lower end of the positioning mandrel is provided with a cylindrical raised positioning column, and the positioning column is sleeved in the lower template.
The support column up end has the rubber gasket, and the up end of support column is unanimous with the rubber gasket shape and is four fan-shaped along circumference equipartitions.
An upper drill bushing penetrates through the upper template and the conical shell to be installed and fixed.
The double-end stud is sleeved with a spring.
A lower drill bush passes through the lower template and is fixed with the conical shell.
The sum of the heights of the rubber gasket and the supporting column is 0.5mm higher than the height of the conical shell.
The beneficial effects of the utility model reside in that: the machining of the flange surface and the upper surface mounting hole of the conical shell can be efficiently completed only by clamping once, the operation is convenient, the production efficiency is high, the workpiece is not deformed, the product quality is stable and consistent, and the interchangeability of the product is improved; simple structure, convenient manufacture, low cost and extremely strong economical efficiency and practicability in batch production.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a rotational cross-sectional view A-A of FIG. 2;
FIG. 4 is a bottom view of FIG. 3;
FIG. 5 is a bottom view of FIG. 4;
FIG. 6 is a top view of a conical housing;
FIG. 7 is a sectional view taken along the plane B-B of FIG. 6
In the figure: 1-lower template, 2-upper template, 3-positioning mandrel, 4-rubber gasket, 5-supporting column, 6-positioning column, 7-guide sleeve, 8-stud, 9-hook-shaped pressing plate, 10-spring, 11-knurled nut, 12-supporting column, 13-matching section, 14-positioning section, 15-thread section, 16-knob nut, 17-upper drilling sleeve, 18-lower drilling sleeve, 19-set screw, 20-anti-rotation pin and 21-conical shell.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
Fig. 1 to 7 show a conical shell processing device, which comprises a lower template 1 and an upper template 2; a positioning mandrel is arranged between the lower template and the upper template, and the lower template, the conical shell, the positioning mandrel and the upper template are sequentially stacked; the upper end of the middle part of the positioning core shaft is provided with a cylindrical convex supporting column.
The upper template 2 is in a cross fork shape, and a pillar 12 penetrates through the upper template 2 and the lower template 1 and is fixed on the upper template 2 and the lower template 1 through knob nuts 16 and knurled nuts 11 at two ends.
The pillar 12 is divided into three sections, which are respectively a thread section 15 at the upper end, a positioning section 14 at the middle part and a matching section 13 at the lower end, wherein the upper end penetrates through the upper template 2 and is in thread matching with a knob nut 16, the positioning section 14 is positioned on the side of the conical shell 21 and the positioning mandrel 3, the matching section 13 is fixed in a knurled nut 11, a stud 8 in the knurled nut 11 penetrates through and is fixed on the guide sleeve 7, the hook-shaped pressing plate 9 is sleeved in the guide sleeve 7, and the guide sleeve 7 penetrates through the lower template 1.
The middle part of the lower end of the positioning core shaft 3 is provided with a cylindrical raised positioning column 6, and the positioning column 6 is sleeved in the lower template 1.
The upper end face of the support column 5 is provided with a rubber gasket 4, and the upper end face of the support column 5 and the rubber gasket 4 are in the same shape and are uniformly distributed in four sectors along the circumference.
An upper drill bushing 17 is fixedly arranged through the upper template 2 and the conical shell 21.
The stud 8 is sleeved with a spring 10.
A lower drill sleeve 18 is fixed through the lower template 1 and the conical shell 21.
The sum of the heights of the rubber gasket 4 and the supporting column 5 is 0.5mm higher than the height of the conical shell 21.
Example 1
By adopting the scheme, the upper template 2 is connected with the lower template 1 into a whole through the support 12 and the knob nut 16; the positioning mandrel 3 is arranged at the center of the lower template 1 in an interference fit manner; rubber gasket 4 sets up the upper surface at positioning core axle 3, positioning core axle 3 and the coaxial arrangement of rubber gasket 4, and rubber gasket 4 passes through the adhesive and glues the upper surface at positioning core axle 3.
The lower template 1 is in a disc-shaped structure. A through hole in interference fit with the positioning mandrel 3 is formed in the center of the lower template 1; the lower template 1 is provided with mounting holes which are in sliding fit with the guide sleeves 7, and the mounting holes are equally distributed by taking the center of the lower template 1 as a reference; the lower template 1 is provided with 4 mounting holes which are in interference fit with the pillars 12, the holes are equally distributed by taking the center of the lower template 1 as a reference and are crossed with the guide sleeve mounting holes; the centers of the guide sleeve mounting hole and the pillar mounting hole are on the same circular ring; the center of the lower template 1 is used as a reference to be provided with drill bushing mounting holes corresponding to the mounting holes of the flange surface of the workpiece.
The upper template 2 is a cross-shaped fork-shaped structure. The cross-shaped position is matched with the position of the upper support mounting hole of the lower template 1. The cross-shaped support arm is provided with 4 mounting holes, the mounting holes correspond to the positions of the mounting holes of the support columns on the lower template 1, and the mounting holes and the support columns 12 form detachable sliding fit connection. The upper template 2 is provided with a through hole at the center position, and the through hole is used for facilitating the observation of a workpiece and is used as a processing reference of a drill bushing mounting hole. And a drill bush mounting hole corresponding to the workpiece upper surface mounting hole is formed by taking the center of the middle through hole as a reference.
The positioning core shaft 3 is of a stepped cylindrical structure and is provided with a flange plate, a support column 5 and a positioning column 6, and the flange plate, the support column 5 and the positioning column 6 are coaxial. The shape and size of the flange plate are matched with the holes in the flange surface of the conical shell, and the function of positioning a workpiece is achieved. The size of the positioning column 6 is matched with a mounting hole in the middle of the lower template 1 to form interference fit for fixed connection, and the length of the positioning column is consistent with the thickness of the lower template 1. The size of the support column 5 is matched with that of the small end of the hollow taper hole of the tapered shell so as to support the top of the thin wall of the workpiece and prevent deformation during machining. The 5 up end of support column is provided with the cross groove of partition, and the groove width is greater than toper shell upper surface mounting aperture, and the position is unanimous with toper shell upper surface mounting hole, and the groove depth is the twice in toper shell upper surface mounting aperture, is provided with the through hole in the middle of the support column 5, and cross groove and through hole play the effect of chip removal.
The rubber gasket 4 is equally divided into four fan-shaped blocks, the middle of the rubber gasket is provided with a through hole, and rectangular through grooves are formed between the fan-shaped blocks. The overall dimension and the groove width of the rubber gasket 4 are respectively consistent with the overall dimension of the positioning core shaft 3 and the width dimension of the cross groove arranged on the upper surface of the positioning core shaft 3. The sum of the thickness dimension of the rubber gasket 4 and the length dimension of the support column 5 arranged on the positioning mandrel is 0.5mm greater than the depth of the hollow taper hole of the tapered shell, and when a workpiece is compressed, the rubber gasket 4 is compressed, so that the effect of buffering and supporting is achieved, and the workpiece is prevented from deforming.
The guide sleeve 7 is of a step-shaped stepped cylindrical structure and is provided with a limiting flange and a positioning and mounting cylindrical section, the diameter of the guide sleeve is consistent with that of a mounting hole corresponding to the lower template 1, and the length of the guide sleeve 7 is larger than the thickness of the lower template 1. A step hole is formed in the center of the guide sleeve 7, the large hole is used for installing the hook-shaped pressing plate 9, the depth of the large hole is larger than the thickness of the hook-shaped pressing plate 9, and the hole diameter of the large hole is consistent with the size of the corresponding position of the hook-shaped pressing plate 9 to form sliding fit connection; the small hole is a threaded hole and is used for installing the stud 8 and is in threaded connection with the stud 8. The upper end face of the guide sleeve 7 is provided with a notch which is a semicircular ring, the notch face coincides with the axis of the guide sleeve 7, and the notch is used for enabling the hook-shaped pressing plate 9 to rotate 180 degrees. And an anti-rotation pin 20 is arranged on the radial joint surface of the flange of the guide sleeve 7 and the lower template 1 to prevent the guide sleeve 7 from rotating.
The hook-shaped pressing plate 9 is provided with a cylinder and a rectangular supporting arm, and the cylinder is tangent with the supporting arm. The center of the cylinder is provided with a step hole, the small hole is a through hole of the stud 8, the large hole is a spring mounting socket of the spring 10, and the aperture is larger than the outer diameter of the spring. The outer diameter of the cylinder and the inner hole of the guide sleeve 7 form sliding fit. The hook-shaped press plate 9 can be rotated 180 degrees around the axis for mounting, pressing and dismounting the workpiece.
The stud 8 passes through the hook-shaped pressing plate 9 and is screwed down through the knurled nut 11 to enable the rectangular support arm to press the workpiece. The stud 8 is connected in the threaded hole of the guide sleeve 7 through threads, and a fastening screw 19 is arranged at the radial joint surface to prevent the stud from rotating.
The spring 10 is arranged in a socket of the hook-shaped pressing plate 9 through the stud 8, and two end faces of the spring 10 are respectively clung to the bottom surface of the inner hole of the guide sleeve 7 and the bottom surface of the inner hole of the hook-shaped pressing plate 9.
The support post 12 is provided with a threaded section 15, a positioning section 14, a supporting section and a matching section 13 from top to bottom. The matching section 13 penetrates through the lower template 1 to form fixed connection; the positioning section 14 is detachably and movably connected with the upper template 2, so that the correct position between the upper template 2 and the lower template 1 is ensured, and the length of the positioning section 14 is smaller than the thickness of the upper template 2; the threaded section 15 passes through the upper die plate 2 and is tightened with a knob nut 16.
The upper drill bushing 17 and the lower drill bushing 18 are respectively installed on the upper template 2 and the lower template 1 and are fixedly connected, drill bit guide holes penetrating through are formed in the centers of the drill bushings, and the guide holes are consistent with installation apertures on the upper surface of the conical shell and the flange surface.
The utility model discloses a theory of operation lies in: the workpiece is sleeved on the positioning mandrel 3, the flange plate of the positioning mandrel 3 is matched and positioned through the inner hole of the flange surface, and the upper end surface of the positioning mandrel 3 and the rubber gasket 4 play a supporting role. The rectangular arm of the hook-shaped pressure plate 9 is lapped on the flange surface of the conical shell, the knurled nut 11 is screwed, and the spring 10 is compressed, so that the workpiece is pressed. The upper template 2 is sleeved into the pillar 12, the knob nut 16 is screwed tightly, and the upper template 2 is pressed tightly, and on a bench drill, a drill bit can process a hole position on the upper surface of the conical shell as shown in figure 3 through a drill bush guide hole. Then the device is turned upside down to process the hole position on the flange surface of the conical shell as shown in figure 5. When the workpiece is disassembled, the knurled nut 11 and the knob nut 16 are unscrewed, the upper template 2 is removed, the hook-shaped pressing plate is rotated to enable the support arm to be separated from the flange surface of the conical shell, and then the workpiece can be removed from the positioning core shaft.
From this, the utility model discloses:
a. the combination of the support column and the rubber gasket is adopted, so that the workpiece is buffered and supported, and the workpiece is effectively prevented from deforming.
b. The lower template is of a disc-shaped structure, and the upper template is of a cross-shaped fork-shaped structure. The lower template and the upper template are connected into a whole through the support column and the knob nut, so that the positioning is accurate and the disassembly is convenient.
c. The positioning core shaft is of a stepped cylindrical structure, the upper end face of the positioning core shaft is provided with an equant cross groove, the groove width is larger than the diameter of the upper surface mounting hole of the conical shell, the position of the groove width is consistent with that of the upper surface mounting hole of the conical shell, the groove depth is twice of the diameter of the upper surface mounting hole of the conical shell, a through hole is formed in the middle of the groove width, and the cross groove and the through hole play a role in chip.
d. The rubber gasket is equally divided into four fan-shaped blocks, the middle of each fan-shaped block is provided with a through hole, and rectangular through grooves are formed between the fan-shaped blocks. The positioning core shaft and the rubber gasket are coaxially arranged, and the rubber gasket is glued on the upper surface of the positioning core shaft through adhesive.
e. The combined pressing mode of the guide sleeve, the hook-shaped pressing plate, the spring, the stud and the knurled nut is adopted, and the pressing device is quick, convenient, safe, reliable and high in efficiency.
f. Drill sleeves corresponding to the surface holes of the workpiece are arranged on the upper template and the lower template, mounting holes on the flange surface and the upper surface of the workpiece can be completed by one-time clamping, the quality is stable, and the product consistency is good. The production efficiency is high.

Claims (9)

1. The utility model provides a toper shell processingequipment, includes lower bolster (1), cope match-plate pattern (2), its characterized in that: a positioning mandrel (3) is arranged between the lower template (1) and the upper template (2), and the lower template (1), the conical shell (21), the positioning mandrel (3) and the upper template (2) are sequentially stacked; the upper end of the middle part of the positioning core shaft (3) is provided with a cylindrical convex support column (5).
2. The tapered housing processing apparatus of claim 1, wherein: the upper template (2) is in a cross fork shape, and a support column (12) penetrates through the upper template (2) and the lower template (1) and is fixed on the upper template (2) and the lower template (1) through knob nuts (16) and knurled nuts (11) at two ends.
3. The tapered housing processing apparatus of claim 2, wherein: pillar (12) divide into the three-section, be screw thread section (15) of upper end respectively, locating section (14) and cooperation section (13) of lower extreme in the middle part, wherein the upper end passes cope match-plate pattern (2) and with knob nut (16) screw-thread fit, locating section (14) are located toper shell (21) and location dabber (3) side, cooperation section (13) are fixed in knurled nut (11), it has stud (8) to pass in knurled nut (11) to be fixed in guide pin bushing (7), and hook-shaped clamp plate (9) suit is in guide pin bushing (7), guide pin bushing (7) pass lower bolster (1).
4. The tapered housing processing apparatus of claim 1, wherein: the middle part of the lower end of the positioning core shaft (3) is provided with a cylindrical raised positioning column (6), and the positioning column (6) is sleeved in the lower template (1).
5. The tapered housing processing apparatus of claim 1, wherein: the rubber gasket (4) is arranged on the upper end face of the supporting column (5), and the upper end face of the supporting column (5) is identical to the rubber gasket (4) in shape and is uniformly distributed in a four-fan shape along the circumference.
6. The tapered housing processing apparatus of claim 1, wherein: an upper drill bushing (17) passes through the upper template (2) and the conical shell (21) to be installed and fixed.
7. The tapered housing processing apparatus of claim 3, wherein: the stud (8) is sleeved with a spring (10).
8. The tapered housing processing apparatus of claim 1, wherein: a lower drill bushing (18) passes through the lower template (1) and is fixed with the conical shell (21).
9. The tapered housing processing apparatus of claim 5, wherein: the sum of the heights of the rubber gasket (4) and the supporting column (5) is 0.5mm greater than the inner height of the conical shell (21).
CN202021203578.4U 2020-06-24 2020-06-24 Conical shell machining device Active CN212384672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021203578.4U CN212384672U (en) 2020-06-24 2020-06-24 Conical shell machining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021203578.4U CN212384672U (en) 2020-06-24 2020-06-24 Conical shell machining device

Publications (1)

Publication Number Publication Date
CN212384672U true CN212384672U (en) 2021-01-22

Family

ID=74255645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021203578.4U Active CN212384672U (en) 2020-06-24 2020-06-24 Conical shell machining device

Country Status (1)

Country Link
CN (1) CN212384672U (en)

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