CN111890069A - Multi-rod lifting support device for drilling machine - Google Patents

Abstract

The invention discloses a multi-rod lifting support device for a drilling machine, which comprises a drilling machine body and a workpiece support assembly, wherein two guide through holes are correspondingly sleeved on two guide sliding columns in a sliding mode, the guide sliding columns are vertically fixed on a main support frame, the bottom ends of two support transmission arms are respectively and correspondingly and rotatably hinged on the top side wall of a displacement walking sleeve, a third transmission gear and a second transmission gear, the gear radiuses of the fourth transmission gear and the fourth transmission gear are sequentially arranged from small to large, the distance between the fourth transmission gear and the third transmission gear is smaller than the distance between the second transmission gear and the first transmission gear, the main power motor is correspondingly and fixedly installed in the motor frame, the motor frame pushes left and right in the horizontal direction through the telescopic thrust rod, the indicating arrow is horizontally arranged, and the tip point of the indicating arrow points to the height scale mark. The invention performs quick adjustment and then fine adjustment, and has better applicability.

Description

Multi-rod lifting support device for drilling machine

Technical Field

The invention relates to the technical field of drilling machine equipment, in particular to a multi-rod lifting supporting device for a drilling machine.

Background

The drilling machine is a machine tool for processing holes on workpieces by using a drill bit. The drill bit rotates to be main power, the drill bit moves axially to be feeding motion, the drilling machine is simple in structure, machining accuracy is relatively high, through holes and blind holes can be drilled, special cutters can be replaced, and machining such as hole expanding, spot facing and reaming or tapping can be carried out. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates.

But traditional drilling machine workstation simple structure, highly uniform fixes unable the change, even if through many years's development, some lift brace tables that can carry out altitude mixture control have appeared in the market, but lift brace table adjustment inefficiency of traditional form, can't carry out slight adjustment again after the quick adjustment at all, and the adjustment accuracy is poor, can't finely tune, leads to having great error with the demand, and then influences the work piece machining effect, influences the processing quality.

Disclosure of Invention

The present invention is directed to a multi-rod elevating support device for a drilling machine to solve the problems set forth in the background art.

To achieve the above object, the present invention provides the technical solutions as set forth in claims 1 to 6:

a multi-rod lifting supporting device for a drilling machine comprises a drilling machine body and a workpiece supporting assembly, wherein the workpiece supporting assembly comprises a main supporting frame, a lifting supporting table which is horizontally arranged is arranged in a cavity of the main supporting frame, the corner positions of the side wall surfaces on the left side and the right side of the lifting supporting table are respectively and fixedly connected with a lifting guide sleeve, each lifting guide sleeve is correspondingly provided with two guide through holes, the two guide through holes are correspondingly sleeved on two guide sliding columns in a sliding mode, the guide sliding columns are vertically fixed on the main supporting frame, the middle position of the bottom table surface of the lifting supporting table is respectively and rotationally hinged with one supporting transmission arm in a bilateral symmetry mode, the bottom ends of the two supporting transmission arms are respectively and rotationally hinged on the top side wall of one displacement traveling sleeve in a corresponding mode, the displacement traveling sleeves on the left half part of external thread and the right half of external thread are respectively sleeved on the, half left part external screw thread line and half right part external screw thread line correspond to set up on the axle wall of main thread axle, the back shaft is horizontal rotation state through the bearing and installs on main tributary strut and on its left side part axis body still with axle center fixed mounting have a drive gear and No. two drive gears, No. two drive gears are in a drive gear's right side, have No. three drive gears with the gear engagement form cooperation on a drive gear's top end wheel edge, No. three drive gear is with axle center fixed mounting on the transmission pivot, still with axle center fixed mounting have No. four drive gear in the transmission pivot, No. four drive gear is in No. three drive gear's right side, No. three drive gear, No. two drive gear, No. four drive gear and No. four drive gear's gear radius sets gradually from small to big, the distance between No. four drive gear and the No. three drive gear is less than the distance between No. two drive, the transmission pivot level sets up and it is operated by the drive of main driving motor, and main driving motor corresponds fixed mounting and carries out the ascending left and right sides of horizontal direction promotion in motor frame and motor frame through flexible distance rod, still mark high scale mark on the right-hand member support body front side wall face of main tributary strut, the upper surface right-hand member corner position department of the lift uide bushing on right side still is fixed with an arrow point support, the support body cross-section of arrow point support sets up to "L" shape and has an instruction arrow point at its end fixing, the pointed end point that instructs the arrow point level setting and instruct the arrow point sets up at high scale mark.

Preferably: and a clamp for clamping the workpiece is arranged on the table top of the lifting support table.

Preferably: the left supporting transmission arm and the right supporting transmission arm, and the left displacement walking sleeve and the right displacement walking sleeve are all arranged in a bilateral symmetry state.

Preferably: a first guide wheel mounting seat is fixed on the bottom wall surface of the displacement walking sleeve, a first guide wheel is mounted at the end of the first guide wheel mounting seat, and the first guide wheel is matched and limited in a first track.

Preferably: and a second guide wheel mounting seat is correspondingly fixed at each of the top corner and the bottom corner of the motor frame, a second guide wheel is mounted at the end of the second guide wheel mounting seat, the second guide wheel is matched and limited in a second track, the second track is correspondingly arranged on the inner side bottom wall surface of the supporting cross beam, and the supporting cross beam is fixed on the main supporting frame in a horizontal state.

Preferably: the height of the tip point of the indication arrow is the same as the height of the upper table top of the lifting support table.

Has the advantages that:

compared with the prior art, the lifting support device has the advantages that the purpose of height lifting adjustment of the whole lifting support platform is achieved, the purpose of height fine adjustment of the whole lifting support platform is achieved, the height fine adjustment effect of the lifting support platform is achieved, during use, rapid adjustment is performed firstly, then fine adjustment is performed, the requirement of high adjustment efficiency is met, the requirement of good adjustment accuracy is met, the practicability of the lifting support device is effectively improved, the applicability is better, the structural design is reasonable and reliable, safety and high efficiency are achieved, and good popularization and configuration values are achieved.

Drawings

Fig. 1 is a schematic structural view of a multi-rod elevating support device for a drilling machine.

Fig. 2 is a specific structure diagram of a workpiece supporting assembly in a multi-rod lifting supporting device for a drilling machine.

Fig. 3 is an enlarged structural view at point (r) in a multi-rod lifting support device for a drilling machine.

Fig. 4 is an enlarged schematic structural view of a multi-rod lifting support device for a drilling machine.

Fig. 5 is a schematic top view of a lifting guide sleeve in a multi-rod lifting support device for a drilling machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in an embodiment of the present invention, a multi-rod lifting support device for a drilling machine includes a drilling machine body 1 and a workpiece support assembly 2.

The workpiece supporting assembly 2 comprises a main supporting frame 3, a lifting supporting table 4 which is horizontally arranged is arranged in a frame cavity of the main supporting frame 3, a clamp 5 used for clamping a workpiece is arranged on a table top of the lifting supporting table 4, the clamp 5 is the most common clamp used in a traditional drilling machine, the specific structure of the clamp is already a part in the prior art, and repeated description is omitted.

The lifting support platform comprises a lifting support platform 4, wherein the corners of the left side wall surface and the right side wall surface of the lifting support platform 4 are fixedly connected with a lifting guide sleeve 7, each lifting guide sleeve 4 is correspondingly provided with two guide through holes, the two guide through holes are correspondingly sleeved on two guide sliding columns 8 in a sliding mode, the guide sliding columns 8 are vertically fixed on a main support frame 3, the middle position of the bottom table surface of the lifting support platform 4 is respectively and rotatably hinged with a support transmission arm 6 in a bilateral symmetry mode, the bottom ends of the two support transmission arms 6 are respectively and rotatably hinged on the top side wall of a displacement walking sleeve 10 in a corresponding mode, a first guide wheel mounting seat 11 is fixed on the bottom wall surface of the displacement walking sleeve 11, a first guide wheel 12 is mounted at the end of the first guide wheel mounting seat 11, the first guide wheel 12 is matched and limited in a first track 13, the displacement walking sleeves 10 on the left side and the right side are respectively sleeved on a left half external thread, the left supporting transmission arm 6 and the right supporting transmission arm 6, the left displacement walking sleeve 10 and the right displacement walking sleeve 10 are arranged in a bilateral symmetry state, and the left half part external thread grain 91 and the right half part external thread grain 92 are correspondingly arranged on the shaft wall of the main threaded shaft 9.

The supporting shaft 9 is horizontally installed on the main supporting frame 3 in a rotating state through a bearing, a first transmission gear 16 and a second transmission gear 15 are further coaxially and fixedly installed on the shaft body of the left side part of the supporting shaft, the second transmission gear 15 is located on the right side of the first transmission gear 16, a third transmission gear 18 is matched on the wheel edge of the end part of the top end of the first transmission gear 16 in a gear meshing mode, the third transmission gear 18 is coaxially and fixedly installed on a transmission rotating shaft 19, a fourth transmission gear 17 is further coaxially and fixedly installed on the transmission rotating shaft 19, the fourth transmission gear 18 is located on the right side of the third transmission gear 18, gear radiuses of the third transmission gear 18, the second transmission gear 15, the fourth transmission gear 17 and the first transmission gear 16 are sequentially arranged from small to large, and the distance between the fourth transmission gear 17 and the third transmission gear 18 is smaller than the distance between the second transmission gear 15 and the first, the transmission rotating shaft 19 is horizontally arranged and driven by a main power motor 21 to operate, the main power motor 21 is correspondingly and fixedly installed in a motor frame 22, the motor frame 22 is horizontally pushed leftwards and rightwards through a telescopic thrust rod 23, four corners of the top and the bottom of the motor frame 22 are respectively and correspondingly fixed with a second guide wheel installation seat 24, a second guide wheel 25 is installed at the end of the second guide wheel installation seat 24, the second guide wheel 25 is matched and limited in a second rail 26, the second rail 26 is correspondingly arranged on the inner bottom wall surface of the supporting beam 20, and the supporting beam 20 is fixed on the main supporting frame 3 in a horizontal state.

The front side wall surface of the right frame body of the main support frame 3 is also marked with a height scale mark 14, an arrow support 27 is fixed at the corner position of the right end of the upper surface of the right lifting guide sleeve 7, the cross section of the frame body of the arrow support 27 is L-shaped, an indication arrow 271 is fixed at the end part of the arrow support 27, the indication arrow 271 is horizontally arranged, the tip point of the indication arrow 271 points to the height scale mark 14, and the height of the tip point of the indication arrow 271 is the same as the height of the upper table surface of the lifting support table 4.

The invention designs a multi-rod lifting support device for a drilling machine, when in actual use, only a telescopic thrust rod 23 needs to be started to extend, the extended telescopic thrust rod 23 pushes the whole motor frame 22 to move rightwards, a main power motor 21 moves rightwards subsequently, a second guide wheel mounting seat 24, a second guide wheel 25, a second track 26 and a support cross beam 20 which are additionally arranged at the top and the bottom of the whole motor frame 22 ensure the displacement stability of the whole motor frame 22, when the main power motor 21 moves rightwards, a third transmission gear 18 is separated from a first transmission gear 16, a fourth transmission gear 17 is meshed with the second transmission gear 15, the transmission rotating shaft 19 is driven to rotate by starting the main power motor 21, the fourth transmission gear 17 is fixedly arranged on the transmission rotating shaft 19 coaxially, the fourth transmission gear 17 rotates along with the rotation, so that the second transmission gear 15 is driven to rotate under the meshing and matching of gears, because the second transmission gear 15 is fixedly arranged on the main threaded shaft 9 coaxially, after the second transmission gear 15 rotates, the main threaded shaft 9 rotates along with the main threaded shaft, the left half part of external thread grains 91 and the right half part of external thread grains 92 rotate along with the main threaded shaft, because the displacement traveling sleeves 10 on the left side and the right side are respectively sleeved on the left half part of external thread grains 91 and the right half part of external thread grains 92 in an internal thread and external thread matching mode, under the limit matching of a first guide wheel mounting seat 11, a first guide wheel 12 and a first track 13 which are structurally and additionally arranged, the displacement traveling sleeves 10 on the left side and the right side are synchronously close to or far away from each other, and because the middle position of the bottom table surface of the lifting support table 4 is respectively and rotationally hinged with a support transmission arm 6 in a bilateral symmetry mode, and the bottom ends of two support transmission arms 8 are, when the displacement traveling sleeves 10 on the left side and the right side approach each other, the supporting transmission arms 6 on the left side and the right side deflect synchronously, the whole lifting support platform 4 is jacked upwards, the lifting support platform 4 rises, when the displacement traveling sleeves 10 on the left side and the right side are far away from each other, the supporting transmission arms 6 on the left side and the right side deflect synchronously, the whole lifting support platform 4 is pulled downwards, and the lifting support platform 4 descends, so that the purpose of height lifting adjustment of the whole lifting support platform 4 is realized, because the gear radius of the fourth transmission gear 17 is larger than that of the second transmission gear 15, the gear transmission principle shows that the rotating speed of the main threaded shaft 9 is faster than that of the transmission rotating shaft 19, the lifting speed of the lifting support platform 4 is faster, when the telescopic thrust rod 23 is started to shorten, the shortened telescopic thrust rod 23 pulls the whole motor frame 22 to move leftwards, the main power motor 21 then moves leftwards, the second guide wheel mounting seat 24, the second guide wheel 25, the second track 26 and the supporting beam 20 additionally arranged at the top and the bottom of the whole motor frame 22 ensure the displacement stability of the whole motor frame 22, when the main power motor 21 moves leftwards, the third transmission gear 18 is meshed with the first transmission gear 16, the fourth transmission gear 17 is separated from the second transmission gear 15, the same action flow as the above is adopted, when the displacement walking sleeves 10 at the left side and the right side are close to each other, the supporting transmission arms 6 at the left side and the right side synchronously deflect, the whole lifting support platform 4 is jacked upwards, the lifting support platform 4 is lifted, when the displacement walking sleeves 10 at the left side and the right side are far away from each other, the supporting transmission arms 6 at the left side and the right side synchronously deflect, the whole lifting support platform 4 is pulled downwards, the lifting support platform 4 is lowered, the difference is that the gear radius of the gear half-first transmission gear, therefore, according to the gear transmission principle, the rotating speed of the main threaded shaft 9 is much slower than that of the transmission rotating shaft 19, and the lifting speed of the lifting support platform 4 is very slow, so that the purpose of fine adjustment of the height of the whole lifting support platform 4 can be realized, the fine adjustment effect of the height of the lifting support platform 4 is achieved, and the height scale line 14, the arrow support 27 and the indication arrow 271 which are structurally arranged can further accurately know the actual specific height of the lifting support platform 4.

When the lifting support device is used, the quick adjustment is firstly carried out, and then the fine adjustment is carried out, so that the requirement of high adjustment efficiency is met, the requirement of good adjustment accuracy is met, the practicability of the lifting support device is effectively improved, the applicability is better, the structural design is reasonable and reliable, the lifting support device is safe and efficient, and the lifting support device has good popularization and configuration values.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a many poles lift strutting arrangement for rig, includes rig body (1) and work piece supporting component (2), its characterized in that, work piece supporting component (2) include main tributary strut (3), dispose a lift brace table (4) that the level set up in the frame chamber of main tributary strut (3), each correspondence of the left and right sides lateral wall corner position department of lift brace table (4) has linked firmly a lift uide bushing (7), and two guiding through-holes have been seted up on every lift uide bushing (4) correspondingly, and two guiding through-holes correspond the cover with the slip form and establish on two guiding sliding columns (8) and guiding sliding columns (8) are vertical to be fixed on main tributary strut (3), the bottom mesa middle part position of lift brace table (4) is with the bilateral symmetry form rotation respectively articulated have one support and pass arm of force (6), and the bottom of two support arm of force (8) is passed corresponds the rotation respectively and articulates on the top lateral wall of a displacement walking cover (10) The displacement walking sleeves (10) on the left side and the right side are respectively sleeved on a left half part of external thread grains (91) and a right half part of external thread grains (92) in an internal thread and external thread matching mode, the left half part of external thread grains (91) and the right half part of external thread grains (92) are correspondingly arranged on the shaft wall of a main thread shaft (9), the supporting shaft (9) is arranged on a main support frame (3) in a horizontal rotating state through a bearing, a first transmission gear (16) and a second transmission gear (15) are further fixedly arranged on the shaft body of the left side part of the supporting shaft in a coaxial mode, the second transmission gear (15) is positioned on the right side of the first transmission gear (16), a third transmission gear (18) is matched on the end wheel edge of the top end part of the first transmission gear (16) in a gear meshing mode, the third transmission gear (18) is fixedly arranged on a transmission rotating shaft (19), and a fourth transmission gear (17) is further, the fourth transmission gear (19) is positioned at the right side of the third transmission gear (18), the gear radiuses of the third transmission gear (18), the second transmission gear (15), the fourth transmission gear (17) and the first transmission gear (16) are sequentially arranged from small to large, the distance between the fourth transmission gear (17) and the third transmission gear (18) is smaller than the distance between the second transmission gear (15) and the first transmission gear (16), the transmission rotating shaft (19) is horizontally arranged and is driven to operate by a main power motor (21), the main power motor (21) is correspondingly and fixedly arranged in a motor frame (22), the motor frame (22) is horizontally pushed leftwards and rightwards through a telescopic thrust rod (23), a height scale line (14) is further marked on the front side wall surface of the right end frame body of the main support frame (3), an arrow support (27) is further fixed at the corner position of the right end of the upper surface of the right lifting guide sleeve (7), the frame body section of the arrow support (27) is arranged to be L-shaped, an indication arrow (271) is fixed at the end of the arrow support, the indication arrow (271) is horizontally arranged, and the tip point of the indication arrow (271) points to the height scale mark (14).

2. A multi-bar elevating support for drilling machines according to claim 1, characterized in that the table top of the elevating support table (4) is provided with a clamp (5) for clamping a workpiece.

3. The multi-rod elevating support device for drilling machine as claimed in claim 1, wherein the left support transmission arm (6) and the right support transmission arm (6), the left displacement traveling sheath (10) and the right displacement traveling sheath (10) are all arranged in a left-right symmetrical state.

4. The multi-rod lifting support device for the drilling machine is characterized in that a first guide wheel mounting seat (11) is fixed on the bottom wall surface of the displacement walking sleeve (11), a first guide wheel (12) is mounted at the end part of the first guide wheel mounting seat (11), and the first guide wheel (12) is matched and limited in a first track (13).

5. The multi-rod lifting support device for the drilling machine is characterized in that a second guide wheel mounting seat (24) is fixed on each of the top corner and the bottom corner of the motor frame (22), a second guide wheel (25) is mounted at the end of the second guide wheel mounting seat (24), the second guide wheel (25) is matched and limited in a second track (26), the second track (26) is correspondingly arranged on the inner bottom wall surface of the supporting cross beam (20), and the supporting cross beam (20) is fixed on the main support frame (3) in a horizontal state.

6. A multi-bar elevating support for drilling machines as claimed in claim 1, characterized in that the pointed point of the indication arrow (271) is at the same level as the upper table of the elevating support table (4).

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