CN111872457B - A multi-station double-end chamfering machine - Google Patents

Abstract

The invention relates to a multi-station double-end-face chamfering machine, which mainly solves the technical problems of complex transposition, low machining efficiency, incapability of machining a plurality of workpieces at the same time, low positioning precision and poor automation degree of the existing chamfering machine. The technical scheme of the invention is as follows: the utility model provides a multistation bi-polar face beveler, includes workstation, lift transposition mechanism, two cutter workbenches, unloading frame, two axial pusher devices, two radial clamping device, two supporting tables and removal cylinder, lift transposition mechanism sets up the upper plane middle part at the workstation, the removal cylinder sets up the centre at the upper plane front end of workstation, two supporting tables set up respectively on the upper plane of workstation, and two cutter workbenches set up respectively on the upper plane of workstation left and right sides both ends and be located the outside of two supporting tables, set up two axial pusher devices and two radial clamping device on the supporting platform. The chamfering machine can realize continuous operation of chamfering, and is high in efficiency and convenient to feed and discharge.

Description

A multi-station double-end chamfering machine

technical field

The invention belongs to the technical field of chamfering equipment, and in particular relates to a multi-station double-end chamfering machine.

Background technique

Many large-scale frame structures are composed of channel steel welding. The end face connection of channel steel needs to be milled and chamfered on the three faces at the front and rear ends, so as to leave a certain space for welding the end face of channel steel. The existing chamfering machine has small workpiece size, cumbersome transposition, low processing efficiency, cannot process multiple workpieces at the same time, and has low positioning accuracy and poor automation, so it cannot be applied to large channel steel end face chamfering.

Contents of the invention

The purpose of the present invention is to solve the technical problems existing in existing chamfering machines, such as cumbersome transposition, low processing efficiency, inability to process multiple workpieces at the same time, low positioning accuracy and poor automation, and provide a multi-station double-end chamfering machine .

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:

A multi-station double-end chamfering machine, including a workbench, a lifting and transposition mechanism, a first cutter workbench, a second cutter workbench, a blanking frame, a first axial push block device, and a second axial push block device, a first radial clamping device, a second radial clamping device, two support tables and a moving cylinder, the lifting and transposition mechanism is arranged in the middle of the upper plane of the workbench, and the moving cylinder is arranged on the workbench The middle of the front end of the plane and the telescopic rod of the moving cylinder are connected to the middle of the bottom of one side of the lifting transposition mechanism. The cutter workbench and the second cutter workbench are respectively arranged at the left and right ends of the upper plane of the workbench and are located outside the two support platforms, and the blanking frame is arranged at the rear end of the workbench; the first axial push block The device is arranged on the front side of the upper plane of the right support platform, the second axial push block device is arranged on the rear side of the upper plane of the left support platform, and the first radial clamping device is arranged on two supports The front edge of the plane on the table is perpendicular to the first axial pushing block device, and the second radial clamping device is arranged on the rear edge of the upper plane of the two supporting tables and is perpendicular to the second axial pushing block device.

Further, the lifting and transposition mechanism includes two card slot platforms, several lifting cylinders and two lifting bases, guide rails are provided on both sides of the bottom of the lifting base, and the guide rails of the lifting base are set on the workbench In the guide rail groove set in the middle of the upper plane, the several lifting cylinders are symmetrically arranged on both sides of the upper plane of the two lifting bases, and the slot platform is arranged above the lifting cylinder and connected with the telescopic rod of the lifting cylinder. Four card slots are uniformly arranged on the card slot platform, and the direction of the card slots is arranged parallel to the lifting base.

Further, the first tool table and the second tool table include the upper base of the headstock, the tool headstock, the milling cutter, the positioning block, the lower base of the headstock, the moving cylinder of the upper base, the spindle motor, four Lifting lead screw motor, four lifting lead screws, lower base moving cylinder and main shaft, the bottom surface of the lower base of the spindle box is provided with two guide rails, and the two guide rails are located on the horizontal guide rails set at the left and right ends of the upper plane of the workbench In the groove, the moving cylinder of the lower base is arranged on the upper plane of the workbench and its telescopic rod is connected with the front side of the lower base of the headstock, and the upper plane of the lower base of the headstock is provided with two rail grooves, And it is perpendicular to the guide rail direction of the lower plane, the lower plane of the upper base of the headstock is provided with two guide rails and the guide rails are located in the guide rail grooves arranged on the upper plane of the lower base of the headstock, and the moving cylinder of the upper base is set On the upper plane of the lower base of the spindle box and its telescopic rod is connected with the left side of the upper base of the spindle box, the tool spindle box is arranged on the upper plane of the upper base of the spindle box, and the lifting screw passes through The small squares arranged on the front and rear sides of the tool spindle box, the lower end of the lifting screw is arranged on the upper base of the spindle box, and the front side of the tool spindle box is provided with four small squares distributed in a rectangular shape, and the top of each lifting screw Connected with the lifting screw motor, the right side of the tool spindle box is provided with a milling cutter and a positioning block, the rear end of the milling cutter is connected with the main shaft, and the main shaft passes through the tool headstock and is located on the left side of the tool headstock Spindle motor connections on the side.

Further, the axial pushing block device includes a pushing block and a pushing cylinder, and the pushing block is connected with a telescopic rod of the pushing cylinder.

Further, the radial clamping device includes a clamping block and a clamping cylinder, and the clamping block is connected with the telescopic rod of the clamping cylinder.

Further, the support platform includes a baffle and a support base, the support base is L-shaped, and the baffle is arranged on one end surface of the L-shaped support base.

Further, the milling cutter is located on the same plane as the horizontal centerline of the positioning block.

Further, the number of the unloading racks is not less than two, which are evenly arranged at the rear end of the workbench, and the upper end surface of the unloading racks is higher than the upper plane of the workbench and lower than the bottom surface of the slot platform.

Further, the distance from the front end surface of the top of the unloading frame to the rear-end slot on the slot platform is smaller than the distance between each slot on the slot platform.

Compared with prior art, the beneficial effect of the present invention is:

1. The four card slots provided by the present invention correspond to four working areas respectively, which are the feeding area, the waiting area, the left end surface processing area and the right end surface processing area from front to back, through the repeated reciprocating movement of the lifting and transposition mechanism It can realize the continuous transposition of channel steel, thereby realizing the continuous operation of channel steel chamfering and realizing the automation of chamfering processing. In addition, the left and right section processing areas of channel steel can work at the same time, which improves the processing efficiency of the chamfering machine and can meet the requirements of The demand for batch chamfering of channel steel.

2. The axial pushing block device and the radial clamping device provided in the present invention can enable fast and accurate positioning of the channel steel.

3. The loading area and unloading frame provided by the present invention make the loading and unloading of channel steel convenient and quick.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the structural representation of lifting transposition mechanism of the present invention;

Fig. 3 is the structural representation of cutter workbench of the present invention;

Fig. 4 is a schematic structural view of the axial block pushing device of the present invention;

Fig. 5 is a schematic structural view of the radial pressing device of the present invention;

Fig. 6 is a structural schematic diagram of a support platform of the present invention;

Fig. 7 is a schematic structural view of the blanking rack of the present invention;

In the figure: 1-working table, 2-lifting and transposition mechanism, 3-channel steel, 4-first tool table, 5-second tool table, 6-feeding frame, 7-first axial push block Device, 8-second axial push block device, 9-first radial clamping device, 10-support table, 11-moving cylinder, 12-second radial clamping device;

21-Slot platform, 22-Elevating cylinder, 23-Elevating base, 41-Spindle box upper base, 42-Tool spindle box, 43-Milling cutter, 44-Positioning block, 45-Spindle box lower base, 46 - Upper base moving cylinder, 47-Spindle motor, 48-Elevating screw motor, 49-Elevating screw, 410-Lower base moving cylinder, 411-Spindle, 71-Push block, 72-Push cylinder, 91-Clamp Tight block, 92-clamping cylinder, 101-baffle plate, 102-support base.

Detailed ways

The present invention will be further described below in conjunction with drawings and embodiments.

As shown in Figure 1-7, a multi-station double-end chamfering machine includes a workbench 1, a lifting and transposition mechanism 2, a first cutter workbench 4, a second cutter workbench 5, a blanking rack 6, a first An axial pushing block device 7, a second axial pushing block device 8, a first radial clamping device 9, a second radial clamping device 12, two supporting platforms 10 and a moving cylinder 11, the lifting transposition Mechanism 2 is arranged on the middle part of the upper plane of workbench 1, and the moving cylinder 11 is arranged in the middle of the front end of the upper plane of workbench 1 and the telescopic rod of moving cylinder 11 is connected with the middle of the bottom of one side of lifting transposition mechanism 2. Two supporting platforms 10 are respectively arranged on the upper plane of the workbench 1 and are located on both sides of the lifting and transposition mechanism 2. and is located on the outside of the two support platforms 10, the number of the blanking rack 6 is 2, which are evenly arranged on the rear end of the workbench 1, and the upper end surface of the blanking rack 6 is higher than the upper plane of the workbench 1 and Lower than the bottom surface of the draw-in slot platform 21; the first axial push block device 7 is arranged on the side of the plane front of the right support platform 10, and the second axial push block device 8 is arranged on the left support platform 10 On the rear side of the upper plane, the first radial clamping device 9 is arranged on the front of the upper plane of the two support platforms 10 and is perpendicular to the first axial pushing block device 7, and the second radial clamping device 12 is arranged on the rear edge of the upper plane of the two supporting platforms 10 and is perpendicular to the second axial pushing block device 8 .

Described lifting transposition mechanism 2 comprises two draw-in groove platforms 21, 8 lifting cylinders 22 and two lifting bases 23, and the both sides of described lifting base 23 bottoms are provided with guide rails, and the guide rails of described lifting bases 23 are provided with In the guide rail groove provided in the middle of the upper plane of the workbench 1, the eight lifting cylinders 22 are symmetrically arranged on both sides of the upper plane of the two lifting bases 23, and the slot platform 21 is arranged on the lifting cylinder 22 and connected with the lifting cylinder 22. The telescopic rods of the cylinder 22 are connected, and the slot platform 21 is evenly provided with four slots, and the slot direction is arranged parallel to the lifting base 23 .

Described first cutter workbench 4 and second cutter workbench 5 comprise headstock upper base 41, cutter headstock 42, milling cutter 43, positioning block 44, headstock lower base 45, upper base moving cylinder 46, Main shaft motor 47, four lifting lead screw motors 48, four lifting leading screws 49, lower base moving cylinder 410 and main shaft 411, the bottom surface of described main shaft box lower base 45 is provided with two guide rails, and these two guide rails are positioned at In the transverse guide rail grooves arranged at the left and right ends of the upper plane of the workbench 1, the lower base moving cylinder 410 is arranged on the upper plane of the workbench 1 and its telescopic rod is connected with the front side of the headstock lower base 45. The upper plane of the spindle box lower base 45 is provided with two guide rail grooves, and it is perpendicular to the guide rail direction of the lower plane, and the lower plane of the spindle box upper base 41 is provided with two guide rails and the guide rails are located In the guide rail groove set on the plane on the seat 45, the upper base moving cylinder 46 is arranged on the upper plane of the lower base 45 of the spindle box and its telescopic rod is connected with the left side of the upper base 41 of the spindle box. The spindle box 42 is arranged on the upper plane of the upper base 41 of the spindle box, and the lifting screw 49 passes through the small squares provided on the front and rear sides of the tool spindle box 42, and the lower end of the lifting screw is arranged on the upper base 41 of the spindle box , the front side of the tool spindle box 42 is provided with four small squares distributed in a rectangular shape, the top of each lifting screw 49 is connected to the lifting screw motor 48, and the right side of the tool spindle box 42 is provided with a milling block. Cutter 43 and positioning block 44, the horizontal center line of described milling cutter 43 and positioning block 44 is located on the same plane, and the rear end of described milling cutter 43 is connected with main shaft 411, and described main shaft 411 passes tool headstock 42 and is located at The spindle motor 47 on the left side of the tool spindle box 42 is connected.

The first axial pushing block device 7 includes a pushing block 71 and a pushing cylinder 72 , and the pushing block 71 is connected with a telescopic rod of the pushing cylinder 72 .

The first radial clamping device 9 includes a clamping block 91 and a clamping cylinder 92 , and the clamping block 91 is connected to the telescopic rod of the clamping cylinder 92 .

The support platform 10 includes a baffle 101 and a support base 102 , the support base 102 is L-shaped, and the baffle 101 is arranged on one end surface of the L-shaped support base 102 .

The distance from the top front end of the blanking rack 6 to the rear end of the slot platform 21 is smaller than the distance between the slots on the slot platform 21 .

Working process of the present invention:

Before the operation, the channel steel 3 to be processed is placed on the front end of the workbench 1, and then the control switch of the chamfering machine is turned on. Put it in the draw-in groove of the feeding area of the lifting transposition mechanism 2, and now the telescopic rods of the 8 lifting cylinders 22 stretch out simultaneously, the draw-in groove platform 21 is raised, and then the telescopic rods of the moving cylinder 11 are stretched out, and the lifting base The seat 23 pushes the distance of one station to the discharge direction, the lifting cylinder 22 descends, the channel steel 3 is unloaded on the support table 10 and enters the waiting area, and the lifting transposition mechanism rises again—moving—unloading operation, then the waiting material The channel steel 3 in the area is sent into the draw-in groove for processing the left end face, and then the telescopic rod of the push cylinder 72 in the first axial push block device 7 stretches out to push the push block 71 to move to the left and push the channel steel 3 to move to the left , so that the left side of the channel steel 3 is stuck on the positioning block 44 on the first tool table 4 to achieve axial positioning, and then the telescopic rod of the clamping cylinder 92 in the first radial clamping device 9 stretches out to push the clamp Tight block 91 carries out radial compression to channel steel 3, and after channel steel 3 is fully positioned, moves the telescoping rod of cylinder 46 by adjusting the upper base on the headstock lower base 45 in the first tool workbench 4 to make the first The tool table 4 moves in a direction away from the channel steel 3 as a whole, thereby separating the positioning block 44 from the channel steel 3. At this time, the milling cutter 43 works under the drive of the main shaft motor 47 and the main shaft 411. By repeatedly adjusting the lower base of the main shaft box 45. The upper base moves the cylinder 46 and the lifting screw 49 to control the displacement of the milling cutter 43 in all directions, and completes the chamfering processing on the three sides of the left end face of the channel steel 3. After the chamfering processing of the left end face is completed, the side face of the channel steel 3 The telescopic rod of the clamping cylinder 92 in the first radial clamping device 9 shrinks, pushes the clamping block 91 back, and loosens the clamping of the channel steel 3. At this time, the lifting and transposition mechanism 2 once again lifts and moves - For the unloading operation, move the channel steel 3 to the slot in the processing area at the rear end, repeat the operation steps on the left end surface of the channel steel 3, and complete the chamfering processing of the three sides of the right end surface of the channel steel 3, and finally, release the second The radial clamping device 12, the lifting and transposition mechanism 2 rise again—moving—unloading, drop the channel steel 3 onto the unloading rack 6 and slide down the workbench 1, and cycle the above working steps, thereby realizing the channel steel 3 continuous processing.

Claims (7)

1. A multi-station double-end-face chamfering machine is characterized in that: the automatic feeding device comprises a workbench (1), a lifting transposition mechanism (2), a first cutter workbench (4), a second cutter workbench (5), a blanking frame (6), a first axial pushing block device (7), a second axial pushing block device (8), a first radial clamping device (9), a second radial clamping device (12), two supporting tables (10) and a movable air cylinder (11), wherein the lifting transposition mechanism (2) is arranged in the middle of the upper plane of the workbench (1), the movable air cylinder (11) is arranged in the middle of the front end of the upper plane of the workbench (1), a telescopic rod of the movable air cylinder (11) is connected with the middle of one side bottom of the lifting transposition mechanism (2), the two supporting tables (10) are respectively arranged on the upper plane of the workbench (1) and are positioned on two sides of the lifting transposition mechanism (2), the first cutter workbench (4) and the second cutter workbench (5) are respectively arranged at the left end and the right end of the upper plane of the workbench (1) and are positioned on the outer sides of the two supporting tables (10), and the blanking frame (6) is arranged at the rear end of the workbench (1). The first axial pushing block device (7) is arranged on one side of the front edge of the upper plane of the right supporting table (10), the second axial pushing block device (8) is arranged on one side of the rear edge of the upper plane of the left supporting table (10), the first radial clamping device (9) is arranged on the front edge of the upper planes of the two supporting tables (10) and is perpendicular to the first axial pushing block device (7), and the second radial clamping device (12) is arranged on the rear edge of the upper planes of the two supporting tables (10) and is perpendicular to the second axial pushing block device (8);

the lifting transposition mechanism (2) comprises two clamping groove platforms (21), a plurality of lifting cylinders (22) and two lifting bases (23), guide rails are arranged on two sides of the bottom of each lifting base (23), the guide rails of each lifting base (23) are arranged in guide rail grooves formed in the middle of the upper plane of the workbench (1), the lifting cylinders (22) are symmetrically arranged on two sides of the upper plane of each lifting base (23), the clamping groove platforms (21) are arranged on the lifting cylinders (22) and are connected with telescopic rods of the lifting cylinders (22), four clamping grooves are uniformly formed in the clamping groove platforms (21), and the clamping groove directions are parallel to the lifting bases (23);

the first tool workbench (4) and the second tool workbench (5) comprise a main shaft box upper base (41), a tool main shaft box (42), a milling cutter (43), a positioning block (44), a main shaft box lower base (45), an upper base moving cylinder (46), a main shaft motor (47), four lifting screw motors (48), four lifting screw motors (49), a lower base moving cylinder (410) and a main shaft (411), two guide rails are arranged on the bottom surface of the main shaft box lower base (45), the two guide rails are positioned in transverse guide rail grooves arranged at the left and right ends of the upper plane of the workbench (1), the lower base moving cylinder (410) is arranged on the upper plane of the workbench (1) and connected with the front side surface of the main shaft box lower base (45), the upper plane of the main shaft box lower base (45) is provided with two guide rail grooves which are perpendicular to the guide rail direction of the lower plane, the lower plane of the main shaft box upper base (41) is provided with two guide rails which are arranged in the guide rail grooves arranged on the upper plane of the main shaft box lower base (45), the upper base moving cylinder (46) is arranged on the upper plane of the main shaft box lower base (45) and connected with the main shaft box upper side surface (41) of the main shaft box upper base (42), the utility model discloses a cutter spindle box, including cutter spindle box (42), cutter spindle box, lifting screw (49), cutter spindle box, main shaft (42) and main shaft (411), lifting screw (49) pass the little square that sets up on the front and back side of cutter spindle box (42), lifting screw lower extreme sets up on base (41) on the headstock, cutter spindle box (42) front side is provided with four little squares that are the rectangle and distribute, the top and the lifting screw motor (48) of every lifting screw (49) are connected, be equipped with milling cutter (43) and locating piece (44) on the right flank of cutter spindle box (42), milling cutter (43) rear end links to each other with main shaft (411), main shaft (411) pass cutter spindle box (42) and are connected with main shaft motor (47) of establishing on cutter spindle box (42) left surface.

2. The multi-station double-end-face chamfering machine according to claim 1, wherein: the first axial pushing block device (7) comprises a pushing block (71) and a pushing air cylinder (72), and the pushing block (71) is connected with a telescopic rod of the pushing air cylinder (72).

3. The multi-station double-end-face chamfering machine according to claim 1, wherein: the first radial clamping device (9) comprises a clamping block (91) and a clamping cylinder (92), and the clamping block (91) is connected with a telescopic rod of the clamping cylinder (92).

4. The multi-station double-end-face chamfering machine according to claim 1, wherein: the supporting table (10) comprises a baffle plate (101) and a supporting base (102), wherein the supporting base (102) is L-shaped, and the baffle plate (101) is arranged on one end face of the L-shaped supporting base (102).

5. The multi-station double-end-face chamfering machine according to claim 1, wherein: the milling cutter (43) and the horizontal center line of the positioning block (44) are positioned on the same plane.

6. The multi-station double-end-face chamfering machine according to claim 1, wherein: the number of the blanking frames (6) is not less than 2, the blanking frames are uniformly arranged at the rear end of the workbench (1), and the upper end face of each blanking frame (6) is higher than the upper plane of the workbench (1) and lower than the bottom face of the clamping groove platform (21).

7. A multi-station double-ended chamfering machine according to any of claims 1-6, wherein: the distance from the front end surface of the top end of the blanking frame (6) to the rear end clamping groove on the clamping groove platform (21) is smaller than the distance between all clamping grooves on the clamping groove platform (21).

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