CN213764302U - Machining device for inner hole key groove - Google Patents
Machining device for inner hole key groove Download PDFInfo
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- CN213764302U CN213764302U CN202022707189.1U CN202022707189U CN213764302U CN 213764302 U CN213764302 U CN 213764302U CN 202022707189 U CN202022707189 U CN 202022707189U CN 213764302 U CN213764302 U CN 213764302U
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Abstract
The utility model relates to a processingequipment for hole keyway, it includes the guide support post, tool bit subassembly and drive connecting rod, the connection support has a connecting groove, the spread groove is the front end, both sides all have open-ended cell body structure, the drive connecting rod front end has a connecting plate, the symmetry is equipped with a pair of first through-hole on the connection support, a pair of first through-hole link up with both ends about the spread groove respectively mutually, be equipped with the second through-hole on the connecting plate, the connecting plate is adorned in the spread groove, the stopper is beaten the screw and is passed a first through-hole in proper order, second through-hole and another first through-hole and outside stretch out and be connected with a nut. The utility model discloses a stopper is beaten the screw and will be connected support and drive connecting rod, and the connection support is beaten the screw along with the stopper and is floated about going on around the connecting plate about, makes tool bit assembly have certain degree of freedom in the right-hand direction from top to bottom, guarantees that the cutting adds the tool bit and keeps in close contact with the drive sleeve pipe hole all the time in man-hour, and the tool bit remains throughout along the cutting of hole axial motion.
Description
Technical Field
The utility model relates to a metalcutting processing machinery field, in particular to processingequipment for hole keyway.
Background
Be equipped with drive sleeve pipe on the tapping machine is pressed to large-scale oil gas pipeline area, as shown in fig. 1, it includes sleeve pipe body 1, two round holes 2 are radially seted up to 1 one end of sleeve pipe body, two round hole 2 symmetric distributions are in 1 axis both sides of sleeve pipe body, two waist type holes 3 are radially seted up to the 1 other end of sleeve pipe body, two waist type holes 3 distribute with 2 homonymies of two round holes respectively, 1 inside two symmetrical keyways 4 of having seted up of sleeve pipe body, keyway 4 extends to the round hole 2 of homonymy from waist type hole 3, keyway 4 length is not less than 3000 mm. For the symmetrical key groove in the driving sleeve shown in fig. 1, the existing key groove processing equipment has the following disadvantages: 1. the symmetry of the key slot cannot be guaranteed; 2. in the cutting process of the cutter head, the cutter head cannot always move and cut along the axial direction of the inner hole.
Therefore, it is desirable to provide a device for machining a key slot of an inner bore, which overcomes the above-mentioned disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a processingequipment for hole keyway to solve the tool bit cutting process that prior art exists, can not remain throughout along the problem of hole axial motion cutting.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a processingequipment for hole keyway, its includes the guide support post, installs the tool bit subassembly of guide support post front end and installing the drive connecting rod of guide support post rear end, the drive connecting rod with the guide support post is through stopping up and beating screwed connection, the connection support has a connecting groove, the connecting groove all has open-ended cell body structure for front end, both sides, the drive connecting rod front end has a connecting plate, the symmetry is equipped with a pair of first through-hole on the connection support, a pair of first through-hole respectively with both ends link up mutually about the connecting groove, be equipped with the second through-hole on the connecting plate, the connecting plate adorn in the connecting groove, the stopper is beaten the screw and is passed one in proper order first through-hole second through-hole and another first through-hole outwards stretches out and is connected with a nut.
The plug screw comprises a screw cap and a screw rod, the screw rod comprises a smooth section and a threaded section, the smooth section is close to the screw cap, the smooth section penetrates into the first through hole, the second through hole and the other first through hole, and the threaded section extends outwards and is connected with the screw cap.
The diameter of the second through hole is larger than that of the smooth section, and the smooth section of the screw rod horizontally rotates in the second through hole.
The connecting support comprises a base and two support plates fixed on the outer end face of the base at intervals, the two support plates are enclosed to form the connecting groove, the first through holes are symmetrically arranged on the two support plates, the distance between the two support plates is larger than the thickness of the connecting plate, and the smooth section of the screw rod moves up and down in the second through hole.
The outer terminal surface of guide support post front end is equipped with the guide rail, the tool bit subassembly includes a pair of tool bit, fixes respectively a pair of blade holder of tool bit, two the blade holder is all corresponding to be equipped with the spout, and two blade holders pass through the spout with guide rail sliding connection, two be equipped with the cushion between the blade holder, the cushion is fixed the outer terminal surface of guide support post front end, two blade holders are in slide on the guide rail of cushion both sides.
The sliding groove is arranged into a dovetail groove structure, and the guide rail is matched with the sliding groove.
The inner side of the tool apron is provided with a groove which is inwards sunken from the inner surface, when the tool apron is close to the cushion block, two sides of the cushion block are positioned in the grooves of the two tool aprons
The tool apron is further provided with a tool groove, a notch of the tool groove faces the outer side of the tool apron, and the tool bit is assembled to the inside of the tool groove from the notch.
Still be equipped with first locking hole, second locking hole on the blade holder, the sword groove is located between first locking hole, the second locking hole, be equipped with first locking screw in two first locking holes, be equipped with the second locking screw in two second locking holes, be equipped with the third through-hole on the cushion, the second locking screw passes one in proper order second locking hole third through-hole and another second locking hole is fixed with the nut.
The tool apron is further provided with a screw through hole, the screw through hole is located between the second locking hole and the tool groove, an ejection screw is arranged in the screw through hole, and the axis of the screw through hole is parallel to the axis of the second locking hole.
Compared with the prior art, the beneficial effects of the utility model are that: the connecting support is connected with the driving connecting rod through the plug screw, the connecting support floats up and down, left and right along with the plug screw around the connecting plate, so that the cutter head assembly can have a certain degree of freedom in the up-down, left-right directions, the cutter head is always kept in close contact with the inner hole of the driving sleeve during cutting, and the cutter head is always kept in axial motion cutting along the inner hole.
Drawings
FIG. 1 is a schematic view of a drive sleeve construction;
FIG. 2 is a schematic structural view of the inner hole key groove processing device of the present invention;
FIG. 3 is a partial schematic structural view of the cutter head assembly of FIG. 2;
FIG. 4 is a schematic view of the structure of the tool holder shown in FIG. 3;
fig. 5 is a schematic structural view of the connecting support and the driving connecting rod in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 2 to 5, the present invention relates to a processing device for inner hole key slot, which includes a guide supporting pillar 10, a tool bit assembly 20 installed at the front end of the guide supporting pillar 10, and a driving connecting rod 30 installed at the rear end of the guide supporting pillar 10, wherein the driving connecting rod 30 is fixedly connected to the guide supporting pillar 10 through a plug screw 40.
Referring to fig. 3 and 4, the guide rail 11 is disposed on the outer end surface of the front end of the guide support column 10, and the cutter head assembly 20 includes a pair of cutter heads 21 and a pair of tool holders 22 for respectively fixing the cutter heads 21. The inner end surfaces of the two tool holders 22 are respectively provided with a sliding groove 221, the two tool holders 22 are connected with the guide rail 11 in a sliding mode through the sliding grooves 221, a cushion block 23 is arranged between the two tool holders 22, the cushion block 23 is fixed on the outer end surface of the front end of the guide support column 10, and the two tool holders 22 slide on the guide rail 11 on the two sides of the cushion block 23. Wherein, the sliding groove 221 is arranged in a dovetail groove structure, and the guide rail 11 is matched with the sliding groove 221. When the tool bit 21 is adjusted, the symmetry of the key groove on the circumference is ensured by utilizing the guidance of a dovetail groove structure. The tool bit 21 has low use cost and is convenient to replace, and the processing of inner hole key grooves with different sizes and shapes is met.
Referring to fig. 2, the guide support column 10 includes a support column body 12, an end cover 13 disposed at a front end of the support column body 12, and a connection support 14 fixed at a rear end of the support column body 12, and the guide rail 11 is disposed on an outer end surface of the end cover 13. A stain resistant ring 121 and a wear resistant ring 122 are sequentially arranged between the support column body 12 and the end cover 13, the stain resistant ring 121 prevents cutting from extruding into an inner hole, and the wear resistant ring 122 isolates and reliably supports the guide support column 10 from the drive sleeve and improves the wear resistance of the guide support column 10.
Referring to fig. 5, the connection support 14 has a connection groove 141, the connection groove 141 has a groove body structure with an opening at the front end and at both sides, the front end of the driving connection rod 30 has a connection plate 31, the connection support 14 is symmetrically provided with a pair of first through holes 142, the pair of first through holes 142 are respectively communicated with the upper and lower ends of the connection groove 141, the connection plate 31 is provided with a second through hole 311, the connection plate 31 is installed in the connection groove 141, and the driving screw 40 sequentially passes through one first through hole 142, the second through hole 311 and the other first through hole 142 and extends outwards to be connected with the nut.
The driving screw 40 includes a nut and a screw rod, the screw rod includes a smooth section and a threaded section near the nut, the smooth section goes deep into the first through hole 142, the second through hole 311 and the other first through hole 142, and the threaded section extends outward to be connected with the nut.
The diameter of the second through hole 311 is larger than that of the smooth section, and the smooth section of the screw rod horizontally rotates in the second through hole 311, so that the connecting support 14 floats left and right around the connecting plate 31 along with the screw rod.
Referring to fig. 5, the connection holder 14 includes a base 143 and a pair of two holder plates 144 fixed to an outer end surface of the base 143 at intervals, the two holder plates 144 enclose a connection groove 141, and a pair of first through holes 142 are symmetrically disposed on the two holder plates 144. The inner end surface of the base 143 is fixed to the rear end of the support post body 12.
The distance between the two support plates 144 is larger than the thickness of the connecting plate 31, and the smooth section of the screw rod moves up and down in the second through hole 311, so that the connecting support 14 floats up and down around the connecting plate 31 along with the screw rod.
The connecting support 14 is connected with the driving connecting rod 30 through a plug screw 40, so that the cutter head assembly 20 can have certain freedom degree in the up-down left-right direction, the cutter head 21 is always kept in close contact with the inner hole of the driving sleeve during cutting, and the cutter head 21 is always kept in axial motion cutting along the inner hole.
Referring to fig. 4, the tool holder 22 is further provided with a tool slot 222, the notch of the tool slot 222 faces the outside of the tool holder 22, and the tool bit 21 is assembled into the tool slot 222 from the notch. By symmetrically assembling the two tool bits 21 in the two tool grooves 222, two symmetrical key groove processing can be synchronously completed, and the processing length is not limited.
Referring to fig. 4, the tool holder 22 is further provided with a first locking hole 223, the first locking hole 223 is located at the outer end of the tool slot 222, and the axis of the first locking hole 223 is parallel to the axis of the tool slot 222. First locking screws (not shown) are fitted into the two locking holes 223, and the front ends of the two tool holders 22 are fixed by the first locking screws.
The tool holder 22 is further provided with a second locking hole 224, the second locking hole 224 is located at the inner end of the tool slot 222, and the axis of the second locking hole 224 is parallel to the axis of the tool slot 222. Second locking screws 25 are assembled in the two second locking holes 224, third through holes 232 are formed in the cushion block 23, and the second locking screws 25 sequentially penetrate through one second locking hole 224, the third through hole 232 and the other second locking hole 224 to be fixed with the nuts.
Referring to fig. 3 and 4, the tool holder 22 is further provided with a screw through hole 225, the screw through hole 225 is located between the second locking hole 224 and the tool slot 222, and the interior of the tool holder is provided with the ejecting screw 26. The axis of the screw penetration hole 225 is parallel to the axis of the second locking hole 224. The ejecting screw 26 is screwed, the front end of the ejecting screw 26 abuts against the cushion block 23, and the corresponding tool apron 22 slides along the guide rail 11 in the direction away from the cushion block 23.
Referring to fig. 4, the inside of the holder 22 has a groove 226 recessed inward from the inner surface, the groove 226 is located at the inner end of the pocket 222, and the second locking hole 224 is connected to the groove 226. With the tool holders 22 adjacent to the spacer 23, the two sides of the spacer 23 are located in the grooves 226 of the two tool holders 22.
The utility model discloses a working process:
1) manually installing the tool bit 21 into the tool apron 22 and fastening;
2) loosening and withdrawing the ejection screws 26 on the tool apron 22, respectively tightening the first locking screws and the second locking screws 25 to enable the tool apron 22 to slide along the guide rail 11 until the tool bits 21 on two sides shrink to the positions on two sides of the tight cushion block 23;
3) the guide support column 10 is connected with a driving device through a driving connecting rod 30 through threads;
4) slowly pushing the guide support column 10 and the cutter head component 20 into the inner hole of the sleeve pipe body 1 and adjusting to enable the cutter head 21 to be aligned with the two waist-shaped through holes 3 on the sleeve pipe body 1;
5) loosening the first locking screw and the second locking screw 25 on the tool apron 22, tightening the ejection screw 26, and sliding the tool apron 22 along the guide rail 11 in the direction away from the cushion block 23 until the tool nose touches the inner hole wall to finish tool setting;
6) the first locking screw and the second locking screw 25 on the tool apron 22 are screwed; and finishing the feeding.
7) And starting the driving device to push the cutter head assembly 20 to advance for cutting, returning the cutter head assembly 20 to the waist-shaped hole 3 to adjust the feeding of the screw after the round hole 2 of the sleeve body 1 is cut, and repeating the above operations until the cutting of the key groove is finished.
8) And adjusting the tool apron 22, retracting the tool bit 21, and taking the tool bit assembly 20 out of the casing body 1 to finish machining.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a processingequipment for hole keyway which characterized in that: it includes the guide support post, installs the tool bit subassembly of guide support post front end and installing the drive connecting rod of guide support post rear end, the drive connecting rod with the guide support post is through stopping up and beating screwed connection, the connection support of guide support post has a connecting groove, the connecting groove all has open-ended cell body structure for front end, both sides, the drive connecting rod front end has a connecting plate, the symmetry is equipped with a pair of first through-hole on the connection support, a pair of first through-hole respectively with both ends link up mutually about the connecting groove, be equipped with the second through-hole on the connecting plate, the connecting plate adorn in the connecting groove, the stopper is beaten the screw and is passed one in proper order first through-hole second through-hole and another first through-hole outwards stretches out and is connected with a nut.
2. The machining device for an inner bore keyway according to claim 1, wherein: the plug screw comprises a screw cap and a screw rod, the screw rod comprises a smooth section and a threaded section, the smooth section is close to the screw cap, the smooth section penetrates into the first through hole, the second through hole and the other first through hole, and the threaded section extends outwards and is connected with the screw cap.
3. The apparatus of claim 2, wherein: the diameter of the second through hole is larger than that of the smooth section, and the smooth section of the screw rod horizontally rotates in the second through hole.
4. The apparatus of claim 2, wherein: the connecting support comprises a base and two support plates fixed on the outer end face of the base at intervals, the two support plates are enclosed to form the connecting groove, the first through holes are symmetrically arranged on the two support plates, the distance between the two support plates is larger than the thickness of the connecting plate, and the smooth section of the screw rod moves up and down in the second through hole.
5. The machining device for an inner bore keyway according to claim 1, wherein: the outer terminal surface of guide support post front end is equipped with the guide rail, the tool bit subassembly includes a pair of tool bit, fixes respectively a pair of blade holder of tool bit, two the blade holder is all corresponding to be equipped with the spout, and two blade holders pass through the spout with guide rail sliding connection, two be equipped with the cushion between the blade holder, the cushion is fixed the outer terminal surface of guide support post front end, two blade holders are in slide on the guide rail of cushion both sides.
6. The device of claim 5, wherein: the sliding groove is arranged into a dovetail groove structure, and the guide rail is matched with the sliding groove.
7. A machining device for a key groove of an inner hole according to claim 5 or 6, wherein: the inner sides of the tool holders are provided with grooves which are sunken inwards from the inner surfaces, and when the tool holders are close to the cushion blocks, two sides of the cushion blocks are positioned in the grooves of the two tool holders.
8. The device of claim 5, wherein: the tool apron is further provided with a tool groove, a notch of the tool groove faces the outer side of the tool apron, and the tool bit is assembled to the inside of the tool groove from the notch.
9. The apparatus of claim 8, wherein: still be equipped with first locking hole, second locking hole on the blade holder, the sword groove is located between first locking hole, the second locking hole, be equipped with first locking screw in two first locking holes, be equipped with the second locking screw in two second locking holes, be equipped with the third through-hole on the cushion, the second locking screw passes one in proper order second locking hole third through-hole and another second locking hole is fixed with the nut.
10. A tooling apparatus for a female keyway according to claim 9, wherein: the tool apron is further provided with a screw through hole, the screw through hole is located between the second locking hole and the tool groove, an ejection screw is arranged in the screw through hole, and the axis of the screw through hole is parallel to the axis of the second locking hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022707189.1U CN213764302U (en) | 2020-11-20 | 2020-11-20 | Machining device for inner hole key groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022707189.1U CN213764302U (en) | 2020-11-20 | 2020-11-20 | Machining device for inner hole key groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213764302U true CN213764302U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022707189.1U Active CN213764302U (en) | 2020-11-20 | 2020-11-20 | Machining device for inner hole key groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213764302U (en) |
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2020
- 2020-11-20 CN CN202022707189.1U patent/CN213764302U/en active Active
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