Rolling device for improving hole surface roughness

Abstract

A rolling device for improving the hole surface roughness comprises a bench drill body, a bottom plate, a supporting column, a rolling cutter, a supporting frame, a supporting plate, a positioning sleeve, a fixing pin and a collecting box, the supporting column is detachably fixed to the top of the bottom plate, the bench drill body is detachably fixed to the top of the supporting column, and the rolling cutter is arranged on the bottom plate. The rolling cutter is detachably fixed to the cutter mounting seat, the supporting frame is arranged below the rolling cutter and detachably fixed to the top of the bottom plate, a stepped hole is formed in the middle of the supporting frame, the supporting plate is detachably installed in the stepped hole, a through hole corresponding to the rolling cutter is formed in the supporting plate, and a plurality of fixing pins are detachably fixed to the supporting plate. The upper portion of the fixing pin is in threaded connection with a positioning sleeve, and the top of the collecting box is open and arranged below the through hole. According to the utility model, the rolling operation on the assembly hole is facilitated, the roughness of the assembly hole is improved, and the cost can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of machining, in particular to a kind of rolling device of hole surface roughness promotion. BACKGROUND

[0002] ‌Steel piece has the characteristics of high strength, therefore has higher tensile, compression, bending and shear strength, is widely used in aerospace, automobile, machinery and other fields, for example, chassis and vehicle body of automobile, transmission components of mechanical equipment and other fields.In the assembly field for interference fit, assembly hole is provided on steel piece, corresponding workpiece is pressed into the assembly hole of workpiece, the roughness of assembly hole will affect the pressing quality, if the roughness of assembly hole is larger, it is easy to cause equipment to shake during pressing, pressing force is large, size is out of tolerance problem, reduce the service life of pressing equipment.

[0003] Patent publication No. CN202010615773.6, patent publication No. a kind of processing technology for improving the roughness of the hole of chemical equipment multi-hole plate patent disclosed technical scheme, mirror surface rolling cutter is used for rolling processing, the roughness of hole is improved, but the structure of rolling equipment is not specifically disclosed, the price of conventional rolling machine is relatively expensive, currently, some specifications of company relatively smaller parts need to be rolled and processed, if new rolling machine is purchased, the cost is higher, the utilization rate is lower, so the existing equipment in workshop, such as bench drill for drilling, is needed to be modified according to the needs, so as to facilitate the rolling operation of assembly hole, improve the roughness of assembly hole, and facilitate the pressing of parts into assembly hole. UTILITY MODEL CONTENT

[0004] The utility model aims at: provide a kind of rolling device of hole surface roughness promotion, it is convenient to carry out rolling operation to assembly hole, improve the roughness of assembly hole, and can also save cost.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A kind of rolling device of hole surface roughness promotion, including bench drill body, vertical downward cutter mounting seat is arranged on bench drill body, it further includes bottom plate, support column, rolling cutter, support frame, support plate, positioning sleeve, fixed pin and collection box, support column can be detachably fixed at the top of bottom plate, bench drill body can be detachably fixed at the top of support column, rolling cutter can be detachably fixed on cutter mounting seat, support frame is arranged below rolling cutter and can be detachably fixed at the top of bottom plate, the middle part of support frame is equipped with stepped hole, support plate can be detachably installed in stepped hole, through hole corresponding to rolling cutter is arranged on support plate, a plurality of fixed pins are detachably fixed on support plate, positioning sleeve is threadedly connected to the upper portion of fixed pin, the top of collection box is open and is arranged below through hole.

[0007] The collecting box comprises a bottom box with an open top, a transition box with open top and bottom is sleeved outside the bottom box, a first adjusting rod is fixed on one side of the bottom box, a first vertical hole corresponding to the first adjusting rod is arranged on the side of the transition box, and a first adjusting nut is threadedly connected to the outer end of the first adjusting rod extending out of the first vertical hole; the top of the transition box extends into the stepped hole and is attached to the bottom of the support plate, and a positioning groove corresponding to the bottom box is arranged on the bottom plate.

[0008] A plurality of strip-shaped mounting holes are arranged on the support plate, the bottom of the fixing pin extends below the mounting hole and is threadedly connected with a fixing nut, and the bottom of the positioning sleeve is tightly pressed against the top of the support plate.

[0009] A plurality of insertion columns are fixed on the bottom of the support plate, and an insertion slot corresponding to the insertion column is arranged on the step of the stepped hole.

[0010] The support column comprises a base, a first fixing plate is fixed on the bottom of the base, the first fixing plate is detachably fixed on the top of the bottom plate through a screw, a top column is slidably connected in the base, a second adjusting rod is fixed on the side of the top column, a second vertical hole corresponding to the second adjusting rod is arranged on the base, and a second adjusting nut is threadedly connected to the outer end of the second adjusting rod extending out of the second vertical hole; a second fixing plate is fixed on the bottom of the bench drill body, a third fixing plate is fixed on the top of the top column, and the second fixing plate and the third fixing plate are detachably fixedly connected through a bolt and a nut.

[0011] The beneficial effects of the utility model are:

[0012] (1) The existing bench drill in the workshop is transformed, workpieces are conveniently installed, the assembly holes of the workpieces can be conveniently rolled and pressed, costs are saved, the roughness of the assembly holes of the workpieces is improved, the workpieces are conveniently pressed and assembled, and the service life of the pressing and assembling equipment is improved.

[0013] (2) The support frame and the support plate support the workpiece, the positioning sleeve is used for cooperating with the positioning hole of the workpiece, plays a positioning role, and is detachably installed on the support plate through the fixing pin, so that the workpiece is conveniently adjusted according to the need, the top of the collecting box is open and is arranged below the through hole, and is used for collecting the debris generated in the machining. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a partial structural schematic view of the utility model;

[0016] Figure 3 It is a structural schematic view of the support plate (1);

[0017] Figure 4 It is a structural schematic view of the support plate (2);

[0018] Figure 5 Structure diagram of the collecting box.

[0019] In the figure: 1-bottom plate, 2-first fixed plate, 3-second adjusting rod, 4-second adjusting nut, 5-second vertical hole, 6-base, 7-top column, 8-third fixed plate, 9-second fixed plate, 10-drill body, 11-tool mounting seat, 12-rolling cutter, 13-positioning sleeve, 14-workpiece, 15-supporting frame, 16-collecting box, 17-assembly hole, 18-through hole, 19-mounting hole, 20-supporting plate, 21-insertion column, 22-step hole, 23-fixing nut, 24-fixing pin, 25-transition box, 26-first adjusting rod, 27-first adjusting nut, 28-bottom box, 29-positioning groove, 30-first vertical hole. DETAILED DESCRIPTION

[0020] As Figures 1-5 shown, a rolling device for improving hole surface roughness includes a drill body 10, which is a conventional small drilling device in a workshop, and the drill body 10 is provided with a vertically downward tool mounting seat 11 for mounting a drill bit or other tools. The drill body 10 is provided with an automatic driving device for driving the tool mounting seat 11 to rotate and a manual driving device for driving the tool mounting seat 11 to move up and down. The manual driving device is provided with a handle for operation. This is prior art and will not be described here. The device further includes a bottom plate 1, a supporting column, a rolling cutter 12, a supporting frame 15, a supporting plate 20, a positioning sleeve 13, a fixing pin 24, and a collecting box 16. The supporting column is detachably fixed on the top of the bottom plate 1, the drill body 10 is detachably fixed on the top of the supporting column, and the rolling cutter 12 is detachably fixed on the tool mounting seat 11 for rolling operation on the assembly hole 17 of the workpiece 14 to improve the roughness of the assembly hole 17. The supporting frame 15 is arranged below the rolling cutter 12 and is detachably fixed on the top of the bottom plate 1. The middle part of the supporting frame 15 is provided with a step hole 22, and the supporting plate 20 is detachably installed in the step hole 22 for easy installation. The top of the supporting plate 20 is flush with the top of the supporting frame 15 for placing the workpiece 14. The supporting plate 20 is provided with a through hole 18 corresponding to the rolling cutter 12, and the through hole 18 is larger than the inner diameter of the assembly hole 17 to be machined. A plurality of fixing pins 24 are detachably fixed on the supporting plate 20, and the upper part of the fixing pin 24 is threadedly connected with the positioning sleeve 13 for positioning and adjusting the position of the fixing pin 24 and the positioning sleeve 13 as needed. The top of the collecting box 16 is open and arranged below the through hole 18 for collecting debris.

[0021] The collecting box 16 comprises a bottom box 28 with an open top, and a transition box 25 with open top and bottom is sleeved outside the bottom box 28, which plays a transition shielding role to avoid debris from splashing out. The bottom box 28 is fixed with a first adjusting rod 26 on one side, and the transition box 25 is provided with a first vertical hole 31 corresponding to the first adjusting rod 26 on the side. The outer end of the first adjusting rod 26 extends out of the first vertical hole 31 and is threadedly connected with a first adjusting nut 27, so as to conveniently adjust the height of the collecting box 16 and facilitate installation and disassembly. The top of the transition box 25 extends into the stepped hole 22 and is attached to the bottom of the support plate 20. The bottom plate 1 is provided with a positioning groove 29 corresponding to the bottom box 28, so as to conveniently place the collecting box 16.

[0022] The support plate 20 is provided with a plurality of strip-shaped mounting holes 19. According to the positioning hole positions of the workpieces 14 that are commonly processed, the corresponding positions of the mounting holes 19 on the support plate 20 are set. The mounting holes 19 can be horizontal strips, arc-shaped strips, etc. The same support plate 20 can meet the positioning requirements of multiple workpieces 14, and the adaptability is strong. The bottom of the fixing pin 24 extends below the mounting hole 19 and is threadedly connected with a fixing nut 23. The bottom of the positioning sleeve 13 is tightly pressed against the top of the support plate 20, so as to conveniently adjust the mounting position of the fixing pin 24. When the specifications of the positioning holes of different workpieces change, only the corresponding positioning sleeve 13 needs to be replaced. The positioning sleeve 13 is provided with a threaded hole corresponding to the fixing pin 24.

[0023] The bottom of the support plate 20 is fixed with a plurality of plug-in columns 21, and the steps of the stepped hole 22 are provided with plug-in grooves corresponding to the plug-in columns 21. The plug-in columns 21 are inserted into the corresponding plug-in grooves, so as to conveniently install and disassemble the support plate 20 and replace the appropriate support plate 20 according to needs.

[0024] The support column comprises a base 6, and the bottom of the base 6 is fixed with a first fixing plate 2. The first fixing plate 2 is detachably fixed on the top of the bottom plate 1 through a screw. The base 6 is slidably connected with a top column 7. The side of the top column 7 is fixed with a second adjusting rod 3. The base 6 is provided with a second vertical hole 5 corresponding to the second adjusting rod 3. The outer end of the second adjusting rod 3 extends out of the second vertical hole 5 and is threadedly connected with a second adjusting nut 4. The height of the bench drill body 10 can be adjusted according to needs. When the height of the bench drill body 10 needs to be adjusted, the second adjusting nut 4 is loosened, the bench drill body 10 is moved to an appropriate height, that is, the top column 7 is slid up and down along the base 6 to an appropriate height, and then the second adjusting nut 4 is tightened. The bottom of the bench drill body 10 is fixed with a second fixing plate 9, and the top of the top column 7 is fixed with a third fixing plate 8. The second fixing plate 9 and the third fixing plate 8 are detachably fixedly connected through a bolt and a nut, so as to facilitate installation and disassembly.

[0025] In use, according to the position of the positioning hole on the workpiece 14 to be processed and the size of the positioning hole, a proper number of positioning sleeves 13 are selected, the corresponding fixing pins 24 are fixed at the bottom of the positioning sleeves 13, after the workpiece 14 is placed in position, the positioning sleeves 13 are arranged in the positioning holes, the corresponding fixing nuts 23 are threadedly connected at the bottom of the fixing pins 24 from the bottom of the support plate 20, the position of the positioning sleeves 13 is determined, and then the workpiece 14 can be processed in batches; when the workpiece 14 is placed in position, the table drill body 10 is powered on, the handle is gripped and operated, the rolling press knife 12 is used to roll and press the assembly hole 17, the generated debris is entered into the collecting box 16, after the processing is completed, the handle is reversely operated, the rolling press knife 12 is moved out of the assembly hole 17, and then the workpiece 14 can be taken away.

[0026] When the collecting box 16 needs to be cleaned, the first adjusting nut 27 is loosened, the transition box 25 is moved downward to a proper position, the first adjusting nut 27 is tightened again, the collecting box 16 is taken out of the positioning groove 29, and then the collecting box 16 is cleaned; after the cleaning is completed, the collecting box 16 is placed back to the initial position.

[0027] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] The above embodiment is a description of the utility model, not a limitation of the utility model, and any simple transformation of the utility model belongs to the protection range of the utility model.

Claims

1. A rolling device for hole surface roughness enhancement, comprising a table drill body, a vertically downward cutter mounting seat is arranged on the table drill body, characterized in that: It also includes the bottom plate, support column, rolling cutter, support frame, support plate, positioning sleeve, fixed pin and collection box, the support column is detachably fixed on the top of the bottom plate, the drill body is detachably fixed on the top of the support column, the rolling cutter is detachably fixed on the cutter mounting seat, the support frame is arranged below the rolling cutter and is detachably fixed on the top of the bottom plate, the middle part of the support frame is provided with a stepped hole, the support plate is detachably installed in the stepped hole, the support plate is provided with a through hole corresponding to the rolling cutter, a plurality of fixed pins are detachably fixed on the support plate, the upper part of the fixed pin is threadedly connected with the positioning sleeve, and the top of the collection box is open and arranged below the through hole.

2. The hole surface roughness enhancing roll-pressing apparatus of claim 1, wherein: The collection box comprises a bottom box with an open top, a transition box with open top and bottom is sleeved outside the bottom box, a first adjusting rod is fixed on one side of the bottom box, a first vertical hole corresponding to the first adjusting rod is arranged on the side surface of the transition box, and the outer end of the first adjusting rod extends out of the first vertical hole and is threadedly connected with a first adjusting nut; the top of the transition box extends into the stepped hole and is attached to the bottom of the support plate, and the bottom plate is provided with a positioning groove corresponding to the bottom box.

3. The hole surface roughness enhancing roll-pressing apparatus of claim 1, wherein: A plurality of strip-shaped mounting holes are arranged on the support plate, the bottom of the fixed pin extends below the mounting hole and is threadedly connected with a fixed nut, and the bottom of the positioning sleeve is tightly pressed against the top of the support plate.

4. The hole surface roughness enhancing roll-pressing apparatus of claim 1, wherein: The bottom of the support plate is fixed with a plurality of insertion columns, and the steps of the stepped hole are provided with insertion grooves corresponding to the insertion columns one by one.

5. The hole surface roughness enhancing roll-pressing apparatus of claim 1, wherein: The support column comprises a base, a first fixing plate is fixed on the bottom of the base, the first fixing plate is detachably fixed on the top of the bottom plate through screws, a top column is slidably connected in the base, a second adjusting rod is fixed on the side surface of the top column, a second vertical hole corresponding to the second adjusting rod is arranged on the base, and the outer end of the second adjusting rod extends out of the second vertical hole and is threadedly connected with a second adjusting nut; a second fixing plate is fixed on the bottom of the drill body, a third fixing plate is fixed on the top of the top column, and the second fixing plate and the third fixing plate are detachably fixed and connected through bolts and nuts.

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