CN214134855U - Intensive hole multi-station machining equipment for rectangular rack - Google Patents
Intensive hole multi-station machining equipment for rectangular rack Download PDFInfo
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- CN214134855U CN214134855U CN202023258776.3U CN202023258776U CN214134855U CN 214134855 U CN214134855 U CN 214134855U CN 202023258776 U CN202023258776 U CN 202023258776U CN 214134855 U CN214134855 U CN 214134855U
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Abstract
The utility model discloses a intensive hole multistation processing equipment of rectangle frame, include: the workbench is horizontally provided with a rectangular rack; the positioning mechanism is used for tightly jacking and positioning the four inner side edges of the rectangular frame; the clamping mechanism is used for pressing the rectangular frame on the workbench; the point hole processing stations are arranged in sequence, and point hole drills are arranged at the positions of the point hole processing stations; the first hole expanding processing station is provided with a first group of hole expanding drill bits aligned with the non-adjacent holes; the second hole expanding processing station is provided with a second group of hole expanding drill bits aligned with the residual holes; an orifice chamfering machining station, on which an orifice chamfering drill is arranged; a first tapping machining station on which a first set of tapping drills aligned with non-adjacent holes are provided; and the second tapping machining station is provided with a second group of tapping drill bits aligned with the residual holes. The utility model discloses aim at making rectangular frame type frame can fix a position, press from both sides tightly fast to carry out substep drilling processing to the edge of rectangular frame facade, improve machining efficiency.
Description
Technical Field
The utility model relates to a milling process anchor clamps technical field especially relates to a intensive hole multistation processing equipment of rectangle frame.
Background
The existing machine frame for a certain machine needs to be processed, the outline of the existing machine frame is a rectangular frame type structure, double-row threaded hole processing needs to be carried out on two side plates, the existing drilling equipment in the related technology can only carry out single-hole-position processing, and on one hand, due to the fact that the existing drilling equipment is heavy, the existing drilling equipment is not easy to adjust during operation; on the other hand, the efficiency is low, so that a special drilling device is needed to be designed for drilling of the product for easy operation, reduced working strength, improved production efficiency, mass flow line production and processing and the like.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an intensive hole multistation processing equipment of rectangle frame makes rectangle frame type frame can fix a position, press from both sides tightly fast to carry out substep drilling processing to the edge facade of rectangle frame afterwards, reduce working strength, improve machining efficiency.
For the purpose of realizing, the utility model provides a intensive hole multistation processing equipment of rectangle frame, include:
the workbench is horizontally provided with the rectangular rack and transversely reciprocates;
a positioning mechanism comprising at least: the positioning device comprises a first positioning block, a second positioning block, a third positioning block and a fourth positioning block, wherein the first positioning block is fixedly arranged on the workbench and abuts against the inner side of a first short edge of the rectangular rack; the third positioning block and the fourth positioning block are driven by an ejection mechanism;
clamping mechanism sets up in the rectangle frame and is close to each limit intersection inboard, includes: the device comprises a pressure plate and a telescopic cylinder, wherein one end of the telescopic cylinder is connected to a workbench, and the other end of the telescopic cylinder is connected to the pressure plate; one end of the pressing plate is hinged to the workbench in a rotating mode around the horizontal shaft, and the other end of the pressing plate is pressed to the upper end of the rectangular rack when retracting through the telescopic cylinder; and arranged in series along the direction of movement of the table
The point hole machining station comprises a first body which is movably arranged along the drilling feeding direction, and a plurality of point hole drill bits which are aligned with the holes are arranged on the first body;
the first hole expanding machining station comprises a second body which is movably arranged along the drilling feeding direction, and a first group of hole expanding drill bits which are aligned with the non-adjacent holes are arranged on the second body;
the second hole expanding machining station comprises a third body which is movably arranged along the drilling feeding direction, and a second group of hole expanding drill bits which are aligned with the residual holes are arranged on the third body;
the orifice chamfering machining station comprises a fourth body which is movably arranged along the drilling feeding direction, and a plurality of orifice chamfering drill bits which are aligned with the holes are arranged on the fourth body;
the first tapping machining station comprises a fifth body which is movably arranged along the drilling feeding direction, and a first group of tapping drill bits aligned with the non-adjacent holes are arranged on the fifth body;
and the second tapping machining position comprises a sixth body which is movably arranged along the drilling feeding direction, and a second group of tapping drill bits aligned with the residual holes are arranged on the sixth body.
Further, the ejection mechanism includes: the telescopic rod is hinged to one end of the third connecting rod and one end of the fourth connecting rod, the other end of the third connecting rod is hinged to the third positioning block, and correspondingly, the other end of the fourth connecting rod is hinged to the fourth positioning block.
Furthermore, a guide inclined plane which is close to the rectangular edge from top to bottom is arranged on one side, close to the rectangular edge, of each positioning block.
Further, the first positioning block is arranged at the middle point on the inner side of the first short side close to the rectangular rack, the second positioning block A and the second positioning block B are respectively arranged at the two ends on the inner side of the second long side close to the rectangular rack, the third positioning block is arranged at the middle point on the inner side of the third short side close to the rectangular rack, and the fourth positioning block is arranged at the middle point on the inner side of the fourth long side close to the rectangular rack.
Further, the body transversely slides and is arranged on a first guide rail of the machine tool, and reciprocating movement is achieved through the first screw rod transmission assembly.
Furthermore, the workbench is transversely arranged on a second guide rail of the machine tool in a sliding mode and can realize reciprocating movement through a second lead screw transmission assembly, and the second guide rail is perpendicular to the length extending direction of the first guide rail.
Furthermore, the drill bits are installed at the end parts of the transmission rods, the transmission rods are transmitted through gears, and the rotation directions of the drill bits on the stations are the same.
Compared with the prior art, the beneficial effects of the utility model are that: the rectangular frame type frame can be quickly positioned and clamped, and then stepped drilling processing is carried out on the vertical faces at the corners of the rectangular frame, so that the working strength is reduced, and the processing efficiency is improved.
1. The utility model discloses in when the telescopic link is outwards released, through promoting third connecting rod, fourth connecting rod and then promote third locating piece, fourth locating piece expand outward and remove the tight rectangle frame in top, realize the top tight, when promoting for the single cylinder, its thrust, position self-adaptation regulation are better.
2. The utility model discloses in through just reversing in turn tapping processing, can break the drill chip extrusion, avoid forming longer continuous drill chip, do benefit to the chip removal.
Drawings
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic front view of an embodiment of the present invention;
fig. 2 is a schematic top view of the structure of fig. 1 according to the present invention;
FIG. 3 is a schematic front view of the positioning and clamping device of FIG. 1 according to the present invention;
fig. 4 is a front view schematically illustrating the drilling apparatus of fig. 1 according to the present invention;
fig. 5 is a schematic top view of the structure of fig. 4 according to the present invention.
In the figure: 11. a positioning mechanism; 111. a first positioning block; 112a and a second positioning block A; 112B and a second positioning block B; 113. a third positioning block; 114. a fourth positioning block; 115. a guide slope; 12. a clamping mechanism; 121. pressing a plate; 122. a telescopic cylinder; 13. a third link; 14. a fourth link; 15. a telescopic rod; 21. a hole punching machining station; 211. a point hole drill bit; 22. a first reaming processing station; 221. a first set of reamer bits; 23. a second reaming processing station; 231. a second set of reamer bits; 24. an orifice chamfering machining station; 241. an orifice chamfering bit; 25. a first tapping machining station; 251. a first set of tap bits; 26. a second tapping machining station; 261. a second set of tap bits; 27. a first guide rail; 28. a first lead screw transmission assembly; 29. a second guide rail; 30. and the second screw rod transmission assembly.
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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a multi-station processing apparatus for intensive holes of a rectangular frame, including:
the workbench is used for horizontally placing the rectangular rack and is arranged in a transverse reciprocating manner; the rectangular frame comprises a first short-side frame, a third short-side frame, a second long-side frame and a fourth long-side frame, wherein as shown by a dotted line part in the figure, threaded holes in vertical surfaces of four corners need to be machined for machining, the threaded holes comprise two groups of holes in a transverse row and two groups of holes in a vertical row, the two groups of holes in the transverse row are 5 in the first row, and the two groups of holes in the second row are 4 in the second row; the two groups of vertical holes are 5 first vertical holes and 4 second vertical holes;
the positioning mechanism 11 includes at least: a first positioning block 111 which is fixedly arranged on the workbench and tightly abuts against the inner side of the first short side of the rectangular rack, a second positioning block A112a and a second positioning block B112B which are fixedly arranged on the workbench and tightly abut against the inner side of the second long side of the rectangular rack at intervals, a third positioning block 113 which is arranged on the workbench and moves from inside to outside along the direction of the long side of the rectangle and is used for tightly abutting against the inner side of the third short side of the rectangular rack, and a fourth positioning block 114 which is arranged on the workbench and moves from inside to outside along the direction of the short side of the rectangle and is used for tightly abutting against the inner side of the fourth long side of the rectangular rack; the third positioning block 113 and the fourth positioning block 114 are driven by an ejection mechanism; the positioning block is provided with a long slotted hole along the direction vertical to the vertical surface of each side of the rectangle, so that the positioning block can be conveniently adjusted correspondingly when being installed through a bolt;
and arranged at both sides in sequence along the moving direction of the workbench
The spot hole machining station 21 comprises a first body which is movably arranged along the drilling feeding direction, and a plurality of spot hole drill bits 211 aligned with the holes are arranged on the first body;
the first hole expanding processing station 22 comprises a second body which is movably arranged along the drilling feeding direction, and a first group of hole expanding drill bits 221 which are aligned with non-adjacent holes are arranged on the second body;
the second hole expanding processing station 23 comprises a third body which is movably arranged along the drilling feeding direction, and a second group of hole expanding drill bits 231 which are aligned with the residual holes are arranged on the third body;
the orifice chamfering machining station 24 comprises a fourth body which is movably arranged along the drilling feeding direction, and a plurality of orifice chamfering drill bits 241 aligned with the holes are arranged on the fourth body;
a first tapping machining station 25 comprising a fifth body arranged to move in the drilling feed direction, the fifth body having a first set of tapping bits 251 aligned with non-adjacent holes;
the second tapping machining station 26 includes a sixth body movably disposed along the drilling feeding direction, and a second tapping drill 261 aligned with the remaining hole is disposed on the sixth body.
Specifically, the rectangular frame is lifted above the workbench through a lifting device, is placed downwards to a processing station, moves leftwards in the figure through a fourth positioning block 114, realizes positioning of five degrees of freedom under the combined action of the fourth positioning block, a second positioning block A112a, a second positioning block B112B and the workbench, and moves and is tightly jacked through a third positioning block 113 to realize positioning of a sixth degree of freedom; secondly, when the telescopic cylinder 122 retracts, the upper end of the rectangular frame is pressed tightly by the pressing plate 121, the rectangular frame type frame can be quickly positioned and clamped by the positioning and clamping device, and the post-processing steps are as follows:
s1, spot hole: drilling all base holes with small diameters of 5-10 mm through one-time machining points; the base hole plays a role in guiding and positioning for the follow-up;
s2, first reaming: expanding and drilling base holes on non-adjacent hole sites to form bottom holes; one, three and five holes in the first row and one, three holes in the second row can be punched out first
S3, second reaming: expanding and drilling other bottom holes on the unprocessed residual hole positions in the S2; the aperture of the bottom hole punched twice is about 27 mm;
s4, chamfering the hole: chamfering the orifices of all the bottom holes by one-time processing;
s5, tapping the first group of holes: tapping the bottom holes on the non-adjacent hole sites; namely, one, three and five holes in the first row and one and three holes in the second row can be punched firstly;
s6, tapping the threaded hole by a second group: the pilot holes on the remaining hole sites left untreated in S5 were tapped.
In the tapping process in steps S5 and S6, the normal rotation of the tapping is more than 120 degrees, the reverse rotation is 60 to 75 degrees, and the processes are alternately performed until the thread machining is completed. The tapping processing is carried out through the positive and negative rotation in turn, so that the drill cuttings (threads) can be squeezed off, the formation of longer continuous drill cuttings is avoided, and the chip removal is facilitated. As shown in fig. 1, the combination drill at the plurality of hole machining positions may be provided in two sets, one set for machining the horizontal rows of holes and the other set for machining the vertical rows of holes.
The drilling force is relatively small, all holes can be machined at one time, when the hole is expanded and a threaded hole is tapped, the drilling force is relatively large, drilling is conducted step by step, namely, a large distance is reserved between hole positions in the machining process, on one hand, when intensive hole positions are machined, extrusion deformation of workpieces on the machining positions is reduced, machining precision of products is guaranteed, on the other hand, due to the fact that two adjacent drill bit transmission rods are connected through gear set transmission, requirements for the gear sets or deformation can be reduced due to the fact that the distance is increased. The opposite surface of the device is drilled step by step, so that the working strength is reduced, the assembly line production and processing are facilitated, and the processing efficiency is improved.
In this embodiment, preferably, the ejection mechanism includes: the third connecting rod 13, the fourth connecting rod 14 and the telescopic rod 15, which may be hydraulic cylinders, one end of the telescopic rod 15 is connected to the workbench, the other end of the telescopic rod is hinged to one end of the third connecting rod 13 and one end of the fourth connecting rod 14, the other end of the third connecting rod 13 is hinged to the third positioning block 113, and correspondingly, the other end of the fourth connecting rod 14 is hinged to the fourth positioning block 114. When the telescopic rod 15 is pushed outwards, the third connecting rod 13 and the fourth connecting rod 14 are pushed to further push the third positioning block 113 and the fourth positioning block 114 to expand outwards to move and tightly push the rectangular rack, so that the pushing is realized, and the pushing force and the position are better in self-adaptive adjustment when the telescopic rod is pushed relative to a single cylinder.
In this embodiment, preferably, a guide inclined plane 115 is disposed on one side of each positioning block, which is close to the rectangular edge, from top to bottom. The guide slope 115 serves as a guide when the rectangular frame is placed downward.
In this embodiment, preferably, the first positioning block 111 is disposed near the middle point of the inner side of the first short side of the rectangular frame, the second positioning block a112a and the second positioning block B112B are disposed near the two ends of the inner side of the second long side of the rectangular frame, respectively, the third positioning block 113 is disposed near the middle point of the inner side of the third short side of the rectangular frame, and the fourth positioning block 114 is disposed near the middle point of the inner side of the fourth long side of the rectangular frame. The stress is more balanced.
In this embodiment, preferably, the bodies are transversely slidably disposed on a first guide rail 27 of the machine tool, and are reciprocated by a first lead screw transmission assembly 28, that is, the bottom of each body is provided with the first guide rail 27 and the first lead screw transmission assembly 28 along a direction perpendicular to the forward movement direction of the worktable, wherein the lead screw transmission assembly may include a lead screw and a lead screw nut which are matched with each other, the lead screw is disposed on each body, the lead screw is rotatably mounted on the machine tool around a horizontal shaft, and the end of the lead screw is driven by a stepping motor, so as to implement the feeding and drilling of each body.
In this embodiment, the worktable is preferably arranged on a second guide rail 29 of the machine tool in a transverse sliding manner and is reciprocated through a second lead screw transmission assembly 30, and the second guide rail 29 is perpendicular to the length extension direction of the first guide rail 27. The screw rod transmission assembly can comprise a screw rod and a screw rod nut which are matched, the screw rod nut is arranged on the workbench, the screw rod is rotatably erected on the machine tool around a horizontal shaft and is consistent with the feeding direction, and the end part of the screw rod is driven by a stepping motor, so that the workbench can feed materials to each drilling machining position.
In this embodiment, preferably, the drill bits are installed at the ends of the transmission rods, the transmission rods are driven by gears, and the rotation directions of the drill bits at the stations are the same. The transmission rods are rotatably arranged on the bodies, the end part of at least one transmission rod is in transmission connection with a rotary drive, the transmission rods can be motors and are arranged conventionally, the transmission rods are not shown in the figure, the rod parts of the transmission rods can be coaxially provided with gears, an intermediate gear can be arranged between every two adjacent transmission rods, namely, the two adjacent transmission rods can be ensured to be transmitted through the intermediate gear, and the transmission rods enable the rotation direction and the rotation speed of each drill bit to be consistent, so that the structure is compact, the transmission efficiency is high, and the drill bit is easy to manufacture.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Claims (7)
1. The utility model provides a intensive hole multistation processing equipment of rectangle frame which characterized in that includes:
the workbench is horizontally provided with the rectangular rack and transversely reciprocates;
positioning mechanism (11) comprising at least: the positioning device comprises a first positioning block (111) which is fixedly arranged on the workbench and tightly abuts against the inner side of a first short side of the rectangular rack, a second positioning block A (112 a) and a second positioning block B (112B) which are fixedly arranged on the workbench at intervals and tightly abut against the inner side of a second long side of the rectangular rack, a third positioning block (113) which is arranged on the workbench and moved from inside to outside along the direction of the long side of the rectangle and used for tightly abutting against the inner side of a third short side of the rectangular rack, and a fourth positioning block (114) which is arranged on the workbench and moved from inside to outside along the direction of the short side of the rectangle and used for tightly abutting against the inner side of a fourth long side of the rectangular rack; the third positioning block (113) and the fourth positioning block (114) are driven by an ejection mechanism;
clamping mechanism (12), set up in that the rectangle frame is close to each limit intersection inboard, include: the device comprises a pressure plate (121) and a telescopic cylinder (122), wherein one end of the telescopic cylinder (122) is connected to a workbench, and the other end of the telescopic cylinder is connected to the pressure plate (121); one end of the pressure plate (121) is hinged on the workbench in a rotating mode around a horizontal shaft, and the other end of the pressure plate is pressed on the upper end of the rectangular rack when retracting through the telescopic cylinder (122); and arranged in series along the direction of movement of the table
The spot hole machining station (21) comprises a first body which is movably arranged along the drilling feeding direction, and a plurality of spot hole drill bits (211) which are aligned with the holes are arranged on the first body;
the first hole expanding machining station (22) comprises a second body which is movably arranged along the drilling feeding direction, and a first group of hole expanding drill bits (221) which are aligned with non-adjacent holes are arranged on the second body;
the second hole expanding machining station (23) comprises a third body which is movably arranged along the drilling feeding direction, and a second group of hole expanding drill bits (231) which are aligned with the residual holes are arranged on the third body;
the orifice chamfering machining station (24) comprises a fourth body which is movably arranged along the drilling feeding direction, and a plurality of orifice chamfering drill bits (241) which are aligned with the holes are arranged on the fourth body;
a first tapping machining station (25) comprising a fifth body arranged to move in a drilling feed direction, the fifth body having a first set of tapping bits (251) aligned with non-adjacent holes;
and the second tapping machining position (26) comprises a sixth body movably arranged along the drilling feeding direction, and a second group of tapping drill bits (261) aligned with the residual holes are arranged on the sixth body.
2. The multi-station machining equipment for the dense holes of the rectangular rack as claimed in claim 1, wherein the ejection mechanism comprises: the device comprises a third connecting rod (13), a fourth connecting rod (14) and a telescopic rod (15), wherein one end of the telescopic rod (15) is connected onto the workbench, the other end of the telescopic rod is hinged to one end of the third connecting rod (13) and one end of the fourth connecting rod (14), the other end of the third connecting rod (13) is hinged to a third positioning block (113), and correspondingly, the other end of the fourth connecting rod (14) is hinged to a fourth positioning block (114).
3. The multi-station machining equipment for the dense holes of the rectangular rack as claimed in claim 1, wherein one side of each positioning block close to the rectangular edge is provided with a guide inclined surface (115) which is close to the rectangular edge from top to bottom.
4. The multi-station machining equipment for the dense holes of the rectangular rack as claimed in claim 1, wherein the first positioning block (111) is disposed near the middle point of the inner side of the first short side of the rectangular rack, the second positioning blocks A (112 a) and B (112B) are respectively disposed near the two ends of the inner side of the second long side of the rectangular rack, the third positioning block (113) is disposed near the middle point of the inner side of the third short side of the rectangular rack, and the fourth positioning block (114) is disposed near the middle point of the inner side of the fourth long side of the rectangular rack.
5. The multi-station machining equipment for the intensive holes of the rectangular rack as claimed in claim 1, wherein the first body, the second body, the third body, the fourth body, the fifth body and the sixth body are respectively arranged on a first guide rail (27) of a machine tool in a transverse sliding manner and respectively realize reciprocating movement through a first screw rod transmission assembly (28).
6. The multi-station machining equipment for the dense holes of the rectangular machine frame is characterized in that the workbench is transversely arranged on a second guide rail (29) of the machine tool in a sliding mode and moves back and forth through a second lead screw transmission assembly (30), and the second guide rail (29) is perpendicular to the length extending direction of the first guide rail (27).
7. The multi-station machining equipment for the dense holes of the rectangular rack as claimed in claim 1, wherein the drill bits are mounted at the ends of the transmission rods, the transmission rods are driven by gears, and the rotation directions of the drill bits at the stations are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023258776.3U CN214134855U (en) | 2020-12-30 | 2020-12-30 | Intensive hole multi-station machining equipment for rectangular rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023258776.3U CN214134855U (en) | 2020-12-30 | 2020-12-30 | Intensive hole multi-station machining equipment for rectangular rack |
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| Publication Number | Publication Date |
|---|---|
| CN214134855U true CN214134855U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023258776.3U Active CN214134855U (en) | 2020-12-30 | 2020-12-30 | Intensive hole multi-station machining equipment for rectangular rack |
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|---|---|
| CN (1) | CN214134855U (en) |
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2020
- 2020-12-30 CN CN202023258776.3U patent/CN214134855U/en active Active
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