阅读说明：本技术 一种用于管板与折流板打孔后的孔两侧自动倒角机械设备 (Automatic chamfering mechanical equipment for two sides of hole after punching of tube plate and baffle plate ) 是由 谢金山 帅昱良 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种用于管板与折流板打孔后的孔两侧自动倒角机械设备,包括倒角机架和设置在倒角机架左右两侧的传送机架,所述倒角机架上安装有上下对称分布的倒角机构,倒角机构包括纵向滑动设置在倒角机架上的刀座、驱动刀座纵向移动的刀座驱动机构、刀头升降驱动机构以及刀头升降驱动机构端部安装固定的倒角刀头；所述传送机架上转动安装有多个用于支撑工件的传送辊轴,传送机架上还安装有用于带动工件移动的升降耙爪机构以及用于驱动升降耙爪机构横移的伺服驱动机构。本发明结构设计合理,能够改善倒角加工作业环境,减少工作人员劳动强度,提升产品加工质量,并有效提升生产效率,降低并减小工作环境上的安全隐患。(The invention discloses automatic chamfering mechanical equipment for two sides of a hole after punching of a tube plate and a baffle plate, which comprises a chamfering rack and transmission racks arranged on the left side and the right side of the chamfering rack, wherein the chamfering racks are provided with chamfering mechanisms which are distributed up and down symmetrically; the conveying rack is rotatably provided with a plurality of conveying roller shafts for supporting workpieces, and the conveying rack is also provided with a lifting rake claw mechanism for driving the workpieces to move and a servo driving mechanism for driving the lifting rake claw mechanism to transversely move. The chamfering machine is reasonable in structural design, the chamfering machining operation environment can be improved, the labor intensity of workers is reduced, the product machining quality is improved, the production efficiency is effectively improved, and the potential safety hazard in the working environment is reduced.)

1. The utility model provides a hole both sides automatic chamfer mechanical equipment that is used for tube sheet and baffling board to punch after, includes chamfer frame (6) and sets up transmission frame (7) in chamfer frame (6) left and right sides, its characterized in that: the chamfering machine is characterized in that chamfering mechanisms (5) which are symmetrically distributed up and down are installed on the chamfering rack (6), each chamfering mechanism (5) comprises a cutter holder (51) which is longitudinally slidably arranged on the chamfering rack (6), a cutter holder driving mechanism which drives the cutter holder (51) to longitudinally move, a cutter head lifting driving mechanism and a chamfering cutter head (93) which is fixedly installed at the end part of the cutter head lifting driving mechanism; the conveying machine is characterized in that a plurality of conveying roller shafts (2) used for supporting workpieces (100) are rotatably mounted on the conveying machine frame (7), and a lifting rake mechanism (1) used for driving the workpieces (100) to move and a servo driving mechanism (3) used for driving the lifting rake mechanism (1) to transversely move are further mounted on the conveying machine frame (7).

2. The automatic chamfering mechanical device for two sides of a perforated hole of a tube plate and a baffle plate as claimed in claim 1, wherein: the lifting rake claw mechanism (1) comprises a rake claw sliding seat (15), a lifting cylinder (14), an installation seat plate (13), a rake arm (11) and a rake column (12) which are arranged on a conveying rack (7) in a transverse sliding mode, the lifting cylinder (14) is installed and fixed on the rake claw sliding seat (15), the installation seat plate (13) is fixed at the telescopic end of the lifting cylinder (14), the rake arm (11) is fixed on the installation seat plate (13), the rake column (12) is fixed on the lower portion of the free end of the rake arm (11), and the rake column (12) is used for being inserted into a plurality of station holes (110) distributed on a workpiece (100).

3. The automatic chamfering mechanical device for two sides of the perforated hole of the tube plate and the baffle plate as claimed in claim 2, wherein: still be connected with lift direction telescopic link (16) between rake claw slide (15) and installation bedplate (13), lift direction telescopic link (16) pole includes that the lower extreme is fixed at the lift uide bushing on rake claw slide (15) and the lift guide arm of terminal surface under installation bedplate (13) is fixed to the upper end, and the slip cartridge of lift guide arm is in the lift uide bushing.

4. The automatic chamfering mechanical device for two sides of the perforated hole of the tube plate and the baffle plate as claimed in claim 2, wherein: the servo driving mechanism (3) comprises a servo transverse moving motor (31) and a transverse moving driving lead screw, two ends of the transverse moving driving lead screw are rotatably installed on the conveying rack (7), the end part of the transverse moving driving lead screw is in driving connection with the output end of the servo transverse moving motor (31), a nut sleeve is fixed at the lower end of the rake claw slide seat (15), and the nut sleeve is sleeved on the transverse moving driving lead screw in a threaded fit mode.

5. The automatic chamfering mechanical device for two sides of a perforated hole of a tube plate and a baffle plate as claimed in claim 1, wherein: the cutter head lifting driving mechanism comprises a cutter head telescopic driving rod (97), a telescopic cylinder shell (95) and a cutter head rotating shaft (92), the telescopic cylinder shell (95) is inserted in the tool apron (51) in a sliding way, a pair of tool bit telescopic driving rods (97) are arranged in the tool apron (51), the end part of each tool bit telescopic driving rod (97) is fixedly connected with a cylinder shell ring edge (96) at the end part of the telescopic cylinder shell (95), a tool bit rotating shaft (92) is rotatably arranged in the telescopic cylinder shell (95) through a bearing, a fixed chamfering tool bit (93) is arranged at the free end of the tool bit rotating shaft (92), a lifting slot (94) is arranged at the other end of the tool bit rotating shaft (92), tool apron (51) internally mounted has tool bit driving motor (52), and the output of tool bit driving motor (52) is connected with drive pivot (53), and the vertical slip cartridge of the lower extreme of drive pivot (53) is in lift slot (94).

6. The automatic chamfering mechanical device for two sides of the perforated hole of the tube plate and the baffle plate as claimed in claim 5, wherein: the tool apron driving mechanism comprises a servo longitudinal movement motor and a longitudinal movement driving lead screw (62), two ends of the longitudinal movement driving lead screw (62) are rotatably installed on the chamfering rack (6), the end part of the longitudinal movement driving lead screw (62) is in driving connection with the output end of the servo longitudinal movement motor, a tool apron nut sleeve (63) is fixedly installed on the tool apron (51), the tool apron nut sleeve (63) is sleeved on the longitudinal movement driving lead screw (62) through thread matching, and the tool apron (51) is in longitudinal sliding matching connection with the chamfering rack (6) through a pair of linear slide rails (61).

7. The automatic chamfering mechanical device for two sides of a perforated hole of a tube plate and a baffle plate as claimed in claim 1, wherein: the chamfering machine further comprises an auxiliary machine frame (8), wherein the upper end of the auxiliary machine frame (8) extends to the inside of the chamfering machine frame (6), and a plurality of conveying roller shafts (2) used for supporting workpieces (100) are rotatably installed on the auxiliary machine frame.

8. The automatic chamfering mechanical device for two sides of a perforated hole of a tube plate and a baffle plate as claimed in claim 1, wherein: still including distribution mounting in the location hold-down mechanism (4) of chamfer frame (6) left and right sides, location hold-down mechanism (4) compress tightly frame (42) including fixing the location on the lateral wall about chamfer frame (6), a plurality of cylinders (41) that compress tightly, a plurality of swing arms (43) that compress tightly and be used for supporting compressing tightly pole (44) of work piece (100) upper surface, the upper end that compresses tightly cylinder (41) is articulated with location hold-down frame (42), the flexible end that compresses tightly cylinder (41) articulates there is swing arm (43) that compresses tightly, the middle part that compresses tightly swing arm (43) articulates on location compress tightly frame (42), the lower extreme that compresses tightly swing arm (43) with compress tightly pole (44) fixed connection.

Technical Field

The invention relates to the technical field of chamfering equipment, in particular to automatic chamfering mechanical equipment for two sides of a hole after punching of a tube plate and a baffle plate.

Background

In the existing pressure vessel equipment industry, the operation mode of chamfering after punching a tube plate and a baffle plate still stays in the stage of the traditional operation mode, generally is not executed by an artificial chamfering rocker arm drill or an electric drill, and for the artificial chamfering, the chamfering processing efficiency and the chamfering quality are still slow, the labor intensity is high, one surface is turned over, the other surface is turned over, and the operation space and the environment are both greasy, so that certain potential safety hazards also exist. However, the tube plate and the baffle plate are perforated by using an NC machining center, and although the perforation efficiency is high, it is very troublesome to chamfer the hole.

How to improve the operation environment of chamfer processing, reduce staff intensity of labour, promote product processingquality to effectively promote production efficiency, reduce and reduce the potential safety hazard on the operational environment, become the problem that this application needs to be solved.

Disclosure of Invention

The invention aims to provide automatic chamfering mechanical equipment for two sides of a punched hole of a tube plate and a baffle plate, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a hole two-side automatic chamfering mechanical device used after punching of a tube plate and a baffle plate comprises a chamfering rack and transmission racks arranged on the left side and the right side of the chamfering rack, wherein chamfering mechanisms which are symmetrically distributed up and down are arranged on the chamfering rack, each chamfering mechanism comprises a cutter holder which is longitudinally slidably arranged on the chamfering rack, a cutter holder driving mechanism which drives the cutter holder to longitudinally move, a cutter head lifting driving mechanism and a chamfering cutter head which is fixedly arranged at the end part of the cutter head lifting driving mechanism; the conveying rack is rotatably provided with a plurality of conveying roller shafts for supporting workpieces, and the conveying rack is also provided with a lifting rake claw mechanism for driving the workpieces to move and a servo driving mechanism for driving the lifting rake claw mechanism to transversely move.

As a further scheme of the invention, the lifting rake claw mechanism comprises a rake claw slide seat, a lifting cylinder, an installation seat plate, a rake arm and a rake post, wherein the rake claw slide seat is transversely arranged on the conveying rack in a sliding manner, the lifting cylinder is fixedly arranged on the rake claw slide seat, the installation seat plate is fixedly arranged at the telescopic end of the lifting cylinder, the rake arm is fixedly arranged on the installation seat plate, the rake post is fixedly arranged at the lower part of the free end of the rake arm, and the rake post is used for being inserted into a plurality of station holes distributed on a workpiece.

As a further scheme of the invention, a lifting guide telescopic rod is further connected between the rake slide seat and the installation seat plate, the lifting guide telescopic rod comprises a lifting guide sleeve of which the lower end is fixed on the rake slide seat and a lifting guide rod of which the upper end is fixed on the lower end face of the installation seat plate, and the lifting guide rod is inserted in the lifting guide sleeve in a sliding manner.

As a further scheme of the invention, the servo driving mechanism comprises a servo transverse moving motor and a transverse moving driving lead screw, two ends of the transverse moving driving lead screw are rotatably arranged on the conveying rack, the end part of the transverse moving driving lead screw is in driving connection with the output end of the servo transverse moving motor, a nut sleeve is fixed at the lower end of the rake claw slide seat, and the nut sleeve is sleeved on the transverse moving driving lead screw in a threaded fit manner.

As a further scheme of the invention, the tool bit lifting driving mechanism comprises a tool bit telescopic driving rod, a telescopic cylinder shell and a tool bit rotating shaft, wherein the telescopic cylinder shell is slidably inserted into the tool apron, a pair of tool bit telescopic driving rods are arranged in the tool apron, the end part of each tool bit telescopic driving rod is fixedly connected with the cylinder shell ring edge of the end part of the telescopic cylinder shell, the tool bit rotating shaft is rotatably arranged in the telescopic cylinder shell through a bearing, a fixed chamfering tool bit is arranged at the free end of the tool bit rotating shaft, a lifting slot is formed in the other end of the tool bit rotating shaft, a tool bit driving motor is arranged in the tool apron, the output end of the tool bit driving motor is connected with the driving rotating shaft, and the.

As a further scheme of the invention, the tool apron driving mechanism comprises a servo longitudinal movement motor and a longitudinal movement driving lead screw, two ends of the longitudinal movement driving lead screw are rotatably mounted on the chamfering rack, the end part of the longitudinal movement driving lead screw is in driving connection with the output end of the servo longitudinal movement motor, a tool apron nut sleeve is fixedly mounted on the tool apron, the tool apron nut sleeve is sleeved on the longitudinal movement driving lead screw through thread matching, and the tool apron is in longitudinal sliding matching connection with the chamfering rack through a pair of linear slide rails.

As a further scheme of the invention, the chamfering machine further comprises an auxiliary frame, wherein the upper end of the auxiliary frame extends to the inside of the chamfering frame and is rotatably provided with a plurality of conveying roller shafts for supporting workpieces.

As a further scheme of the invention, the chamfering machine further comprises positioning and pressing mechanisms which are distributed and installed on the left side and the right side of the chamfering machine frame, each positioning and pressing mechanism comprises a positioning and pressing machine frame, a plurality of pressing air cylinders, a plurality of pressing swing arms and a pressing rod for abutting against the upper surface of a workpiece, the upper ends of the pressing air cylinders are hinged with the positioning and pressing machine frame, the telescopic ends of the pressing air cylinders are hinged with the pressing swing arms, the middle parts of the pressing swing arms are hinged on the positioning and pressing machine frame, and the lower ends of the pressing swing arms are fixedly connected with the pressing rods.

Compared with the prior art, the invention has the beneficial effects that: the workpiece is placed on the conveying roller shaft, and is pulled to be conveyed on the conveying roller shaft through the matching of the servo driving mechanism and the lifting rake claw mechanism; the chamfering machine frame is provided with chamfering mechanisms which are distributed up and down symmetrically, and the upper end surface and the lower end surface of the station hole can be chamfered simultaneously through the chamfering mechanisms which are distributed up and down symmetrically, so that the trouble of turning over a workpiece is avoided; the positioning and pressing mechanism applies external force to the workpiece after moving and positioning, and performs forced pressing and fixing on the workpiece to prevent the workpiece from displacing or lifting in the chamfering process, so that potential safety hazards in the working environment are reduced. The chamfering machine is reasonable in structural design, the chamfering machining operation environment can be improved, the labor intensity of workers is reduced, the product machining quality is improved, the production efficiency is effectively improved, and the potential safety hazard in the working environment is reduced.

Drawings

FIG. 1 is a schematic side view of an automatic chamfering machine for both sides of a perforated hole in a tube sheet and a baffle;

FIG. 2 is an enlarged schematic structural view of a position K in an automatic chamfering mechanical device for both sides of a hole after punching a tube plate and a baffle plate;

FIG. 3 is a schematic structural diagram of a front machining of an automatic chamfering mechanical device for both sides of a hole after punching of a tube plate and a baffle plate;

FIG. 4 is a schematic structural view of a front discharging or taking mechanism of an automatic chamfering mechanical device for both sides of a hole after punching a tube plate and a baffle plate;

FIG. 5 is a schematic structural diagram of a positioning and pressing mechanism in an automatic chamfering mechanical device for both sides of a hole after punching a tube plate and a baffle plate;

FIG. 6 is a schematic structural diagram of a chamfering mechanism in an automatic chamfering mechanical apparatus for both sides of a hole after punching a tube sheet and a baffle plate.

In the figure: 100-workpiece, 110-station hole, 1-lifting rake mechanism, 11-rake arm, 12-rake column, 13-mounting base plate, 14-lifting cylinder, 15-rake slide seat, 16-lifting guide telescopic rod, 2-conveying roller shaft, 3-servo driving mechanism, 31-servo transverse moving motor, 4-positioning pressing mechanism, 41-pressing cylinder, 42-positioning pressing rack, 43-pressing swing arm, 44-pressing rod, 5-chamfering mechanism, 51-cutter seat, 52-cutter head driving motor, 53-driving rotating shaft, 6-chamfering rack, 61-linear sliding rail, 62-longitudinal moving driving screw rod, 63-nut sleeve, 7-conveying rack, 8-auxiliary rack, 9-cutter head lifting driving mechanism, 91-a positioning ring, 92-a cutter head rotating shaft, 93-a chamfering cutter head, 94-a lifting slot, 95-a telescopic cylinder shell, 96-a cylinder shell ring edge and 97-a cutter head telescopic driving rod.

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 to 6, the present invention provides a technical solution: a hole two-side automatic chamfering mechanical device used after punching of a tube plate and a baffle plate comprises a chamfering rack 6 and a conveying rack 7 arranged on the left side and the right side of the chamfering rack 6, wherein chamfering mechanisms 5 which are symmetrically distributed up and down are arranged on the chamfering rack 6, and each chamfering mechanism 5 comprises a cutter holder 51 which is longitudinally slidably arranged on the chamfering rack 6, a cutter holder driving mechanism which drives the cutter holder 51 to longitudinally move, a cutter head lifting driving mechanism and a chamfering cutter head 93 which is fixedly arranged at the end part of the cutter head lifting driving mechanism; a plurality of conveying roller shafts 2 used for supporting the workpieces 100 are rotatably mounted on the conveying rack 7, and a lifting rake mechanism 1 used for driving the workpieces 100 to move and a servo driving mechanism 3 used for driving the lifting rake mechanism 1 to transversely move are further mounted on the conveying rack 7.

The lifting rake claw mechanism 1 comprises a rake claw slide seat 15, a lifting cylinder 14, an installation seat plate 13, a rake arm 11 and rake columns 12 which are arranged on the conveying rack 7 in a transverse sliding mode, wherein the lifting cylinder 14 is installed and fixed on the rake claw slide seat 15, the installation seat plate 13 is fixed at the telescopic end of the lifting cylinder 14, the rake arm 11 is fixed on the installation seat plate 13, the rake columns 12 are fixed on the lower portions of the free ends of the rake arms 11, and the rake columns 12 are used for being inserted into a plurality of station holes 110 distributed on a workpiece 100.

A lifting guide telescopic rod 16 is further connected between the rake slide seat 15 and the installation seat plate 13, the lifting guide telescopic rod 16 comprises a lifting guide sleeve of which the lower end is fixed on the rake slide seat 15 and a lifting guide rod of which the upper end is fixed on the lower end face of the installation seat plate 13, and the lifting guide rod is inserted in the lifting guide sleeve in a sliding manner.

The servo driving mechanism 3 comprises a servo transverse moving motor 31 and a transverse moving driving lead screw, two ends of the transverse moving driving lead screw are rotatably mounted on the conveying rack 7, the end part of the transverse moving driving lead screw is in driving connection with the output end of the servo transverse moving motor 31, a nut sleeve is fixed at the lower end of the rake claw slide seat 15, and the nut sleeve is sleeved on the transverse moving driving lead screw in a threaded fit manner.

The lifting of the rake arm 11 and the rake column 12 is controlled by the lifting cylinder 14, the lifting rake claw mechanism 1 is driven by the servo driving mechanism 3 to transversely move, and when the rake column 12 is inserted into the station hole 110, the servo driving mechanism 3 can drive the workpiece 100 to be conveyed on the conveying roller shaft 2.

Tool bit lift actuating mechanism 9 includes flexible actuating lever 97 of tool bit, flexible shell 95 and tool bit pivot 92, the slip cartridge of flexible shell 95 is in blade holder 51, and the installation is provided with the flexible actuating lever 97 of a pair of tool bit in the blade holder 51, the tip of the flexible actuating lever 97 of tool bit and the shell ring limit 96 fixed connection of the 95 tip of flexible shell, flexible shell 95 is inside to be installed tool bit pivot 92 through the bearing rotation, and the fixed chamfer tool bit 93 of free end installation of tool bit pivot 92, lift slot 94 has been seted up to the other end of tool bit pivot 92, blade holder 51 internally mounted has tool bit driving motor 52, and tool bit driving motor 52's output is connected with drive shaft 53, and the vertical slip cartridge of lower extreme of drive shaft 53 is in lift slot 94. The bit shaft 92 can only move up and down relative to the driving shaft 53.

The tool bit driving motor 52 drives the driving rotating shaft 53 to rotate, the driving rotating shaft 53 drives the tool bit rotating shaft 92 to rotate, and the chamfering tool bit 93 at the end part of the tool bit rotating shaft 92 performs end face chamfering on the station hole 110; the tool bit telescopic driving rod 97 can adopt a telescopic cylinder, a telescopic oil cylinder or an electric telescopic rod, and the tool bit telescopic driving rod 97 can drive the telescopic cylinder shell 95 and the tool bit rotating shaft 92 to move up and down, so that the chamfering tool bit 93 can be lifted up and down; the chamfering tool bit 93 is further sleeved with a positioning ring 91, and the lower surface of the positioning ring 91 is in contact with the surface of the workpiece 100 for limiting, so that the chamfering depth is controlled.

The tool apron driving mechanism comprises a servo longitudinal moving motor and a longitudinal moving driving lead screw 62, two ends of the longitudinal moving driving lead screw 62 are rotatably installed on the chamfering rack 6, the end part of the longitudinal moving driving lead screw 62 is in driving connection with the output end of the servo longitudinal moving motor, a tool apron nut sleeve 63 is fixedly installed on the tool apron 51, the tool apron nut sleeve 63 is sleeved on the longitudinal moving driving lead screw 62 through thread matching, and the tool apron 51 is in longitudinal sliding matching connection with the chamfering rack 6 through a pair of linear slide rails 61.

Preferably, the present embodiment further includes an auxiliary frame 8, and an upper end of the auxiliary frame 8 extends into the chamfering frame 6 and is rotatably mounted with a plurality of transfer roller shafts 2 for supporting the workpiece 100.

Preferably, the embodiment further includes the positioning and pressing mechanisms 4 distributed on the left and right sides of the chamfering frame 6, each positioning and pressing mechanism 4 includes a positioning and pressing frame 42 fixed on the left and right side walls of the chamfering frame 6, a plurality of pressing cylinders 41, a plurality of pressing swing arms 43 and a pressing rod 44 for abutting against the upper surface of the workpiece 100, the upper ends of the pressing cylinders 41 are hinged to the positioning and pressing frame 42, the telescopic ends of the pressing cylinders 41 are hinged to the pressing swing arms 43, the middle portions of the pressing swing arms 43 are hinged to the positioning and pressing frame 42, and the lower ends of the pressing swing arms 43 are fixedly connected to the pressing rod 44.

During pressing, the pressing cylinder 41 contracts to drive the pressing swing arm 43 to swing, so that the pressing rod 44 is pressed on the upper surface of the workpiece 100; and the lower surface of the workpiece 100 at this position is supported on the conveying roller shaft 2 above the sub-frame 8.

The working principle of the invention is as follows: the workpiece 100 is placed on the conveying roller shaft 2, and the workpiece 100 is pulled to be conveyed on the conveying roller shaft 2 through the matching of the servo driving mechanism 3 and the lifting rake mechanism 1; the chamfering machine frame 6 is provided with the chamfering mechanisms 5 which are symmetrically distributed up and down, and the upper end surface and the lower end surface of the station hole 110 can be chamfered simultaneously through the chamfering mechanisms 5 which are symmetrically distributed up and down, so that the trouble of turning over the workpiece 100 is avoided; the positioning and pressing mechanism 4 applies external force to the workpiece 100 after moving and positioning, and performs forced pressing and fixing on the workpiece 100, so as to prevent the workpiece 100 from displacing or lifting in the chamfering process, and reduce potential safety hazards in the working environment.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.