CN212419875U - Vertical broaching machine for deburring by broach - Google Patents

Abstract

The utility model relates to a vertical broaching machine field, concretely relates to vertical broaching machine of broach burring, including the lathe bed, be equipped with the actuating mechanism who is used for driving the broach and removes on the lathe bed, be equipped with the platform of placing that is used for placing the work piece on the lathe bed, be equipped with burring mechanism on the lathe bed, burring mechanism lies in the same one side of the broach direction of feed of placing the platform. This scheme can clear up burr, piece on the broach surface automatically.

Description

Vertical broaching machine for deburring by broach

Technical Field

The utility model relates to a vertical broaching machine field, concretely relates to vertical broaching machine of broach burring.

Background

The broaching machine is a device for processing round holes, spline holes or key slots on workpieces. In the working process of the existing broaching machine, a workpiece is firstly placed on the broaching machine, then one end of a broach penetrates through a hole in the workpiece, then the end part of the broach is fixed with a driving mechanism, the driving mechanism drives the broach to move relative to the workpiece to machine the workpiece, and finally the broach completely penetrates through the workpiece to complete machining. However, after each workpiece is machined by the broach, the broach needs to be manually pulled out from the driving mechanism, and the hand (with gloves) is used for cleaning up the scraps and burrs on the surface of the broach. Because of manual cleaning, the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vertical broaching machine of broach burring to can clear up broach burr, piece on the surface automatically.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a vertical broaching machine of broach burring, includes the lathe bed, is equipped with the actuating mechanism who is used for driving the broach to remove on the lathe bed, is equipped with the platform of placing that is used for placing the work piece on the lathe bed, is equipped with the burring mechanism who is located the platform outside of placing on the lathe bed.

The principle and the advantages of the scheme are as follows: the deburring mechanism is located the outside of placing the platform, and the broach is from the work piece through the back, through deburring mechanism afterwards, and like this the broach is through the work piece back, and the surface adhesion of broach has burr, piece, can get rid of burr, piece on the broach surface through deburring mechanism, need not the manual work and gets rid of the burr, and easy operation is convenient. In addition, the existing broaching machine is large in whole, and the broaching machine in the scheme is of a vertical structure and occupies less area.

Preferably, as an improvement, the deburring mechanism includes clearance ring and is used for driving clearance ring pivoted drive assembly, and the middle part of clearance ring can make the broach pass through, is equipped with the clearance piece on the clearance ring, and the position that the clearance piece was towards clearance ring center is clearance portion. From this, when the broach passes through in the clearance ring, drive assembly drives the clearance ring and rotates, and the clearance ring drives the clearance piece and rotates around the broach, and burr, the piece on the broach surface are scraped to clearance portion on the clearance piece to burr, the piece on the broach surface are cleared up.

Preferably, as a refinement, the drive assembly comprises an electric motor. Therefore, the cleaning ring is driven to rotate by the motor, and the structure is simple and convenient.

Preferably, as an improvement, the driving assembly further comprises a belt wheel and a belt, the belt is connected between the belt wheel and the cleaning ring, and the motor drives the belt wheel to rotate. From this, the motor drives the band pulley and rotates, and the band pulley passes through the belt and drives the rotation of clearance ring to the drive of clearance ring has been realized.

Preferably, as an improvement, the deburring mechanism further comprises a fixed ring, and the cleaning ring is rotatably connected to the fixed ring. Therefore, the fixing ring plays a supporting role for the rotation of the cleaning ring, so that the cleaning ring rotates stably. The fixing ring is annular, so that the broach can not be influenced to pass through the middle of the fixing ring.

Preferably, as an improvement, the outside of the cleaning block is covered with a cover. The cover is used for covering the clearance piece, avoids burr, the piece of clearance piece clearance to splash along with the rotation of clearance piece.

Preferably, as an improvement, actuating mechanism is including being located the first actuating mechanism and the second actuating mechanism of placing the upper and lower both sides of platform, is connected with the first broach coupling assembling that is used for dismantling the connection with the broach on the first actuating mechanism, is connected with the second broach coupling assembling that is used for dismantling the connection with the broach on the second actuating mechanism.

The first driving mechanism and the second driving mechanism are respectively positioned at two sides of the placing table, and both the first driving mechanism and the second driving mechanism can drive the broach to vertically move. The first broach connecting assembly and the second broach connecting assembly can be detachably connected with the broach, so that when the broach is connected with the first broach connecting assembly, the first driving mechanism can drive the broach to move, and when the broach is connected with the second broach connecting assembly, the second driving mechanism can drive the broach to move.

In the prior art, the existing vertical broaching machine is only provided with one driving mechanism for driving the broaching tool to move, the driving mechanism is positioned below the placing table, during machining, a workpiece is placed on the placing table, the bottom end of the broaching tool penetrates through a hole of the workpiece and a through channel on the placing table from the upper part of the workpiece, the bottom end of the broaching tool is connected with the driving mechanism, the driving mechanism pulls the broaching tool to move downwards, and the broaching tool processes the inner wall of the hole in the workpiece. When the top end of the broach moves downwards to the workpiece (at the moment, the top end of the broach still passes through the placing table), the machined workpiece is manually taken down from the placing table. Then the driving mechanism drives the broach to move upwards, the top end of the broach is gradually far away from the placing table, the bottom end of the broach is gradually close to the placing table, after the bottom end of the broach moves to the position of the placing table, the driving mechanism stops driving the broach to move upwards, at the moment, the broach is manually pulled out from the driving mechanism, then a new workpiece is placed on the placing table, and the bottom end of the broach penetrates through the hole of the workpiece and the hole on the placing table again to be fixed on the driving mechanism. The driving mechanism pulls the broach downwards to move, and therefore a new workpiece is machined. And the like in sequence to finish the processing of a plurality of workpieces.

Therefore, in the prior art, when each workpiece is machined, the broach needs to be pulled out from the driving mechanism manually to separate the broach from the driving mechanism, and after a new workpiece is placed after the broach is pulled out, the broach is connected to the driving mechanism, so that the working intensity of workers is high, the operation is complex, and the labor cost is high.

According to the scheme, when a workpiece is machined, the broach is fixed on the second driving mechanism through the second broach connecting assembly, the broach is not fixed on the first driving mechanism, then the second driving mechanism drives the broach to penetrate through a hole in the workpiece to machine the workpiece, after the broach moves upwards for a certain distance under the driving of the second driving mechanism, the top end of the broach moves to the first broach connecting assembly, the top end of the broach is connected with the first broach connecting assembly on the first driving mechanism above the workpiece, the top end of the broach is clamped through the first broach connecting assembly, the second broach connecting assembly on the second driving mechanism releases the broach, the first driving mechanism drives the broach to continuously move upwards, so that the broach is separated from the second driving mechanism, the broach can be moved out of the workpiece, and the broach is separated from the workpiece.

Or, when a workpiece is machined, the broach is fixed on the first driving mechanism through the first broach connecting assembly, the broach is not fixed on the second driving mechanism, then the first driving mechanism drives the broach to penetrate through a hole in the workpiece to machine the workpiece, after the broach moves downwards for a certain distance under the driving of the first driving mechanism, the bottom end of the broach moves to the second broach connecting assembly, the bottom end of the broach is connected with the second broach connecting assembly on the second driving mechanism below the workpiece, the bottom end of the broach is clamped through the second broach connecting assembly, the broach is loosened by the first broach connecting assembly on the first driving mechanism, the broach is driven by the second driving mechanism to continuously move downwards, so that the broach is separated from the first driving mechanism, the broach can be moved out of the workpiece, and the broach is separated from the workpiece.

From this, broach adds man-hour in this scheme, no matter adopt the working method of broach from up-moving, still the working method of broach from up-down moving, first broach coupling assembling and second broach coupling assembling are connected with the broach alone respectively, thereby make and need not the manual work and take down the broach from first actuating mechanism or second actuating mechanism, compare prior art, the broach need not every work piece of processing of workman and all need take down, the problem of every work piece of processing of workman all need take down the broach has been solved, workman's manipulation strength has been reduced, especially the broach that the volume is great, the body face is more obvious.

Preferably, as an improvement, the placing table is slidable in a radial direction of the broach, and the placing table is provided with a passage for passing the broach.

In the working process of a broaching machine in the prior art, a workpiece is placed on the broaching machine, one end of a broach penetrates through a hole in the workpiece, the end part of the broach is fixed with a driving mechanism, the driving mechanism drives the broach to move relative to the workpiece to machine the workpiece, and finally the broach penetrates through the workpiece completely to complete machining. However, in order to process the next workpiece, the broach needs to be reset again, but the workpiece which is processed at this time can stop the reset of the broach, so at present, the workpiece which is processed is usually taken down firstly, then the broach is reset, and then the next workpiece to be processed is put in. However, the speed of the broach resetting is limited, and a certain time is required for removing the machined workpiece, resetting the broach and placing the next workpiece to be machined, which may result in a reduction in machining efficiency.

According to the scheme, the placing table can slide along the radial direction of the broach, so that after the broach completes processing of a workpiece and completely penetrates through the workpiece, the placing table moves transversely firstly, the placing table and the workpiece move to the side direction of the broach, then the broach can be controlled to reset, the processed workpiece can be taken down, the next workpiece to be processed is placed on the placing table, namely, the broach can reset and the workpiece can be replaced simultaneously, and the processing efficiency is effectively improved.

Preferably, as an improvement, first broach coupling assembling or second broach coupling assembling include set casing and a plurality of chucking piece, are equipped with the through-hole that is used for making the broach pass on the set casing, and chucking piece sliding connection is on the set casing, and the one end that chucking piece is close to the through-hole is for the chucking end that is used for chucking broach. The through hole on the fixing shell is used for enabling the broach to pass through, so that the broach can enter the fixing shell through the through hole. Because chucking piece sliding connection is on the set casing, consequently slide through the chucking piece for the chucking piece is to being close to the through-hole direction and removing, and the chucking of a plurality of chucking pieces is held and can be with the broach chucking, has realized the connection to the broach. When the broach is loosened, the clamping block moves towards the direction away from the broach, the clamping block becomes loose, the clamping block does not clamp the broach any more, and the broach can be taken out of the fixed shell at the moment. Because the chucking piece has a plurality ofly, through a plurality of chucking pieces with the broach chucking for the broach is located first broach coupling assembling or more stable on the second broach coupling assembling.

Preferably, as an improvement, a stopper is arranged above the placing table, and the stopper and the placing table can move close to each other. When the broach moves upwards from the bottom to process the workpiece, the blocking piece and the placing table can be close to each other, the blocking piece and the placing table clamp the workpiece together, so that the workpiece is positioned on the placing table more stably, and the broach is prevented from upwards pushing the workpiece out of the placing table when the broach moves upwards to process the workpiece without the blocking piece.

Drawings

Fig. 1 is a perspective view of a vertical broaching machine for deburring in example 1.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a perspective view of a first broach connection assembly.

Fig. 4 is an exploded view of a first broach connection assembly.

Fig. 5 is a plan view of the swivel ring in embodiment 1.

Fig. 6 is a perspective view of the upper mold of the baffle plate.

Fig. 7 is a perspective view of the deburring mechanism.

Fig. 8 is an exploded view of the deburring mechanism.

Fig. 9 is a plan view of the swivel ring in embodiment 2.

Fig. 10 is an exploded view of the driving plate in embodiment 3.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a hydraulic cylinder 1, a hydraulic rod 2, a first broach connecting assembly 3, a broach 4, a workpiece 5, a placing table 6, a second broach connecting assembly 7, an electric cylinder 8, a driving plate 9, a driving frame 10, a second cylinder 13, a cylinder rod 14, a pushing block 15, a driving block 16, a bolt 17, a rotating ring 18, a fixing cover 19, a clamping block 20, an elastic piece 21, a fixing part 22, a fixing block 23, a fixing ring 24, a fixing seat 25, a dust ring 26, a fixing sleeve 27, an oilless bearing 28, a sleeve 29, a pushing part 30, an upright post 31, a baffle 32, a lead screw 33, a cooling liquid tank 34, a cover 35, a belt 36, a motor mounting plate 37, a cleaning ring 38, a bearing 39, a belt wheel 40, a fixing ring 41, a motor 42, a cover post 43, a cleaning block 44, a cleaning part 45 and an upper die 51.

Substantially as shown in figures 1 to 5 of the accompanying drawings: the utility model provides a broach burring vertical broaching machine, includes vertical lathe bed, and the lathe bed in this embodiment includes a plurality of stands 31, and specifically the quantity of stand 31 is four in this embodiment, and four stands 31 are the rectangle and distribute, also means the lathe bed is four-column structure. A coolant tank 34 is fixed to the bottom of the bed by screws. The coolant tank 34 contains coolant, and the coolant is supplied to the workpiece 5 to be machined through the coolant tank 34 to cool and clean the workpiece 5 to be machined.

Referring to fig. 2, the bed body is provided with a support frame, which in this embodiment is a support plate fixed on four columns 31. Be equipped with the platform 6 of placing work piece 5 on the support frame and be used for the drive to place the first cylinder of platform 6 lateral shifting, it is concrete, place platform 6 and pass through guide rail sliding connection on the support frame, first cylinder passes through the fix with screw on the support frame, and the actuating lever of first cylinder passes through the fix with screw on the support frame, can drive through the flexible of first cylinder like this and place platform 6 and slide on the support frame. The supporting frame is provided with a broach hole, and the placing table 6 is provided with a passage for the broach to pass through. A lower die for placing the workpiece 5 is welded on the placing table 6. The lower die is provided with a V-shaped clamping groove matched with the workpiece 5, so that the workpiece 5 can be stably positioned on the lower die.

Be equipped with the actuating mechanism (actuating mechanism can be the cylinder, pneumatic cylinder 1 or electric cylinder 8 etc.) that is used for driving broach 4 vertical migration on the lathe bed, broach 4 in this scheme like this moves down and accomplishes the processing to work piece 5 and pass work piece 5 completely after, start first cylinder earlier, first cylinder drives places platform 6 lateral shifting on the support frame, will place platform 6 and work piece 5 and move to the side direction of broach 4 (place platform 6 in this embodiment and stretch out from the lathe bed), then control broach 4 rebound and reset, can take off the work piece 5 that the processing was accomplished from the bed die simultaneously, and put into the work piece 5 that the processing was waited to be processed next on the bed die of placing platform 6, broach 4 resets and changes work piece 5 and can go on simultaneously, machining efficiency has effectively been improved.

Specifically, actuating mechanism in this embodiment is including being located the first actuating mechanism and the second actuating mechanism of placing the upper and lower both sides of platform 6 respectively, and first actuating mechanism is vertical pneumatic cylinder 1, and second actuating mechanism is servo drive system (this embodiment is electric jar 8), is connected with on the first actuating mechanism to be used for dismantling the first broach coupling assembling 3 of being connected with broach 4, is connected with on the second actuating mechanism to be used for dismantling the second broach coupling assembling 7 of being connected with broach 4. A first driving member (in this embodiment, the first driving member is a driving plate 9) is fixedly connected to the hydraulic rod 2 of the hydraulic cylinder 1 through a screw, a second driving member (in this embodiment, the second driving member is a driving frame 10) is fixedly connected to the electric cylinder 8 through a screw, and the first broach connecting assembly 3 and the second broach connecting assembly 7 are respectively located on the driving plate 9 and the driving frame 10 in a screw fixing manner. The driving plate 9 is slidably connected to the upright column 31, and specifically, the driving plate 9 is provided with a sliding hole for the upright column 31 to pass through, so that the driving plate 9 is vertically slidably connected to the upright column 31. The first broach coupling assembly 3 and the second broach coupling assembly 7 in this embodiment have the same structure, and the structure and principle of the first broach coupling assembly 3 will be described in detail below by taking the first broach coupling assembly 3 as an example.

As shown in fig. 3-5: the first broach attachment assembly includes a rotating ring 18, a stationary housing, and a plurality of clamping blocks 20. As shown in fig. 4, the fixing housing in this embodiment sequentially includes a fixing base 25, a fixing block 23, a fixing ring 24, and a fixing cover 19 from bottom to top. The shape of fixing base 25 in this embodiment is circular, and the quantity of fixed block 23 is a plurality of, and the border of fixed block 23 in this embodiment is the arc, and a plurality of fixed blocks 23 are evenly distributed on fixing base 25 along the circumferencial direction in proper order around the centre of a circle of fixing base 25, and fixed block 23 passes through the fix with screw on fixing base 25, and fixed block 23 also can set up with fixing base 25 integrated into one piece. Adjacent fixing blocks 23 have a gap therebetween to form a sliding groove disposed in a radial direction of the fixing base 25. The rotating ring 18 is sleeved on the outer side of the fixed block 23, and the fixed cover 19 and the fixed ring 24 are coaxially fixed on the fixed block 23 through screws. When the fixing ring 24 is fixed on the fixing block 23, the fixing ring 24 abuts against the top of the rotating ring 18, so that the rotating ring 18 can be prevented from being separated from the fixing seat 25.

Through holes for the broach 4 to pass through are formed in the fixing base 25 and the fixing cover 19, and as shown in fig. 5, a plurality of pushing portions 30 are formed on the inner wall of the rotating ring 18 in this embodiment, and the pushing portions 30 in this embodiment are arc-shaped grooves. The distance from one end of the push portion 30 to the center of the rotating ring 18 is smaller than the distance from the other end of the push portion 30 to the center of the rotating ring 18; the number of the pushing portions 30, the number of the clamping blocks 20, and the number of the fixing blocks 23 in this embodiment are all three, but may be set to other numbers according to actual situations. The chucking blocks 20 are positioned in the sliding grooves between the adjacent fixing blocks 23. One end of the clamping block 20 close to the rotating ring 18 is used for abutting against the inner wall of the pushing part 30, and the other end of the clamping block 20 is used for clamping the clamping end of the broach 4.

The clamping block 20 is provided with a receiving hole, the fixing seat 25 is fixedly connected with or welded with a fixing portion 22 penetrating through the receiving hole through a screw, the fixing portion 22 in the embodiment is a fixing plate, the fixing portion 22 is located at one end of the receiving hole far away from the rotating ring 18, an elastic member 21 is arranged in the receiving hole, and two ends of the elastic member 21 are respectively welded on the inner wall of one end of the receiving hole close to the rotating ring 18 and the fixing portion 22. The elastic member 21 in this embodiment is a compression spring. One end of the clamping block 20, which is far away from the rotating ring 18, is provided with a clamping groove matched with the circumferential side surface of the broach 4, so that the clamping block 20 can clamp the circumferential side surface of the broach 4.

As shown in fig. 3, a second cylinder 13 for driving the rotation ring 18 to rotate is fixed to the bottom surface of the driving plate 9 by screws. The outer side wall of the rotating ring 18 is fixedly connected with or welded with a driving block 16 through a screw, and a cylinder rod 14 of the second cylinder 13 is fixedly connected with a pushing block 15 movably connected with the driving block 16. The specific movable connection mode is as follows: a strip-shaped hole is formed in the driving block 16, a bolt 17 inserted into the strip-shaped hole is connected between the pushing block 15 and the driving block 16, and the bolt 17 can slide along the strip-shaped hole. This enables the second cylinder 13 to expand and contract, thereby driving the rotary ring 18 to rotate.

In addition, still be equipped with deburring mechanism on the lathe bed of broach 4 burring vertical broaching machine in this embodiment, deburring mechanism is located the same one side of the broach 4 feed direction of placing platform 6, and broach 4 adds man-hour to work piece 5 from upwards moving down promptly, and deburring mechanism is located the top of placing platform 6, and broach 4 adds man-hour to work piece 5 from upwards moving down, and deburring mechanism is located the below of placing platform 6. Specifically, in the present embodiment, a stopper is disposed above the placing table 6, the stopper in the present embodiment is a baffle 32, the baffle 32 is welded on the column 31, and the baffle 32 is provided with a broach hole through which the broach 4 passes; referring to fig. 7-8, the deburring mechanism includes a fixing ring 41, a cleaning ring 38 and a driving assembly for driving the cleaning ring 38 to rotate, the fixing ring 41 is fixed on the top of the baffle plate 32 through screws, the middle part of the fixing ring 41 is opposite to the broach hole on the baffle plate 32, and the cleaning ring 38 is rotatably connected to the fixing ring 41 through a bearing 39. Four cleaning blocks 44 are fixed on the top of the cleaning ring 38 through screws, the cleaning blocks 44 in the embodiment are uniformly distributed on the cleaning ring 38 in a circumferential manner, the cleaning blocks 44 are cleaning parts 45 facing the center of the cleaning ring 38, and the cleaning parts 45 in the embodiment are steel brushes fixed on the cleaning blocks 44 through screws. The driving assembly in this embodiment comprises a motor 42, a belt wheel 40 and a belt 36, the motor 42 is fixed on the baffle 32 through a motor mounting plate 37, the belt wheel 40 is fixed on an output shaft of the motor 42 through a flat key, anti-slip patterns are arranged on the outer side wall of the cleaning ring 38 in this embodiment, and the belt 36 is connected between the belt wheel 40 and the cleaning ring 38. The cover 35 is covered above the cleaning block 44, the cleaning ring 38, the belt 36 and the belt wheel 40, the cover column 43 is welded on the baffle 32, the cover 35 is inserted on the cover column 43, and the cover 35 is adsorbed on the cover column 43 through a magnet, so that the cover 35 is fixed stably. It will be readily appreciated that the drive of the pulley 40 may also be driven by the motor 42 via other linkages, such as a gear mechanism, a variable speed adjustment between the motor 42 and the pulley 40, etc.

The specific implementation process is as follows: in this embodiment, the workpiece 5 is machined in a manner that the broach 4 moves from bottom to top. That is, before a workpiece 5 is machined, the bottom end of the broach 4 is connected with the second broach connecting assembly 7, the broach 4 is fixed on the second driving mechanism through the second broach connecting assembly 7, the broach 4 is not fixed on the first driving mechanism, then the second driving mechanism drives the broach 4 to penetrate through a hole in the workpiece 5 to machine the workpiece 5, after the broach 4 moves upwards for a certain distance, the top end of the broach 4 is connected with the first broach connecting assembly 3 on the first driving mechanism above the workpiece 5, the top end of the broach 4 is clamped through the first broach connecting assembly 3, the second broach connecting assembly 7 on the second driving mechanism releases the broach 4, and the first driving mechanism drives the broach 4 to move upwards continuously, so that the broach 4 can penetrate through the workpiece 5 completely, and the workpiece machining is finished. After the workpiece 5 is machined, the placing table 6 is moved out of the lathe bed, the workpiece 5 is replaced, the broaching tool 4 is driven by the first driving mechanism to move downwards, the bottom end of the broaching tool 4 moves to the second broaching tool connecting assembly 7, the second broaching tool connecting assembly 7 clamps the broaching tool 4, the broaching tool 4 is loosened through the first broaching tool connecting assembly 3, the broaching tool 4 moves downwards under the driving of the second driving mechanism, the top end of the broaching tool 4 is separated from the first driving mechanism, and the broaching tool 4 resets downwards. After the broach 4 is reset, the placing table 6 drives the workpiece 5 to move into the lathe bed so as to process the next workpiece 5.

After the broach 4 comes out of the workpiece 5 during the process of machining the workpiece 5 by moving the broach 4 upward, burrs, chips, and the like adhere to the surface of the broach 4. At this moment, the motor 42 is started, the motor 42 drives the belt wheel 40 to rotate, the belt wheel 40 drives the cleaning ring 38 to rotate through the belt 36, the cleaning bad drive cleaning block 44 rotates around the circumference of the broach 4, and the cleaning part 45 on the cleaning block 44 brushes down burrs and chips on the surface of the broach 4, so that the burrs and the chips on the surface of the broach 4 are removed, manual removal is not needed, and the operation is simple and convenient. After the deburring mechanism is used for a period of time, the cleaning part 45 can contain more chips, and the chips on the cleaning part 45 can be cleaned later in time.

It is easy to understand that, in a manner that the broaching tool 4 moves from bottom to top to process the workpiece 5, the workpiece 5 on the placing table 6 is easy to be pushed upwards by the broaching tool 4, for this reason, in this embodiment, the bottom of the baffle 32 is welded with an upper die 51 as shown in fig. 6 for clamping the workpiece 5, and the bottom of the upper die 51 is also provided with a V-shaped clamping groove. The baffle 32 is provided with a broach hole, the baffle 32 or the placing table 6 can move to one side close to each other, the baffle 32 can move vertically downwards, the placing table 6 can move vertically upwards, or both the placing table 6 and the baffle 32 can move vertically in opposite directions. The platform 6 of placing that adopts in this embodiment can vertical migration, and is concrete, combine fig. 2 to show, stand 31 is the tubulose, is equipped with the chamber that holds that the axial set up on the stand 31, and lead screw 33 includes screw thread section and smooth section, and lead screw 33's smooth section passes through the bearing and rotates the connection on stand 31, and support frame threaded connection is equipped with on the lathe bed and is used for driving lead screw 33 pivoted motor on the lead screw 33. Like this when adopting broach 4 to add man-hour to work piece 5 from the mode of upwards moving down, the starter motor, the motor makes lead screw 33 rotate, lead screw 33 and support frame constitute the lead screw pair, lead screw 33 rotates and drives the support frame and upwards move, the support frame is close to and keeps off the piece, it carries out the centre gripping to work piece 5 jointly to keep off last mould 51 on the piece and place the bed die on the platform 6, work piece 5 is located and places the platform 6 more stably like this, broach 4 has been avoided when not keeping off the piece upwards moving adds man-hour to work piece 5, broach 4 releases work piece 5 from placing platform 6.

Of course, the workpiece 5 is machined by the broaching tool 4 in such a manner that the broaching tool 4 moves from the bottom to the top. In this embodiment, the workpiece 5 may be machined by moving the broach 4 from top to bottom. That is, the broach 4 is inserted into the fixing case of the first broach joint assembly 3 through the through hole of the fixing case before the workpiece 5 is machined by the broach 4. After broach 4 entered into the set casing, drive second cylinder 13, cylinder rod 14 drives and promotes piece 15 and remove, it drives actuating block 16 and removes to promote piece 15, thereby it rotates to drive swivel 18, the tip that promotion portion 30 on the swivel 18 inner wall is nearer apart from swivel 18 center is to being close to chucking piece 20 direction and removing, make the inner wall of promotion portion 30 and the tip of chucking piece 20 offset like this, the inner wall of promotion portion 30 promotes chucking piece 20 and slides along the radial direction of swivel 18 on the set casing, chucking piece 20 slides to the central point that is close to swivel 18, the chucking end of chucking piece 20 offsets with the lateral wall of broach 4, thereby with broach 4 chucking, broach 4 and corresponding actuating mechanism's fixed have been realized. Meanwhile, when the clamping block 20 moves toward the direction of the broach 4, the clamping block 20 presses the elastic member 21, so that the elastic member 21 is compressed and stores power.

The workpiece 5 is placed on a lower die of the placing table 6, the first air cylinder is driven to drive the placing table 6 to slide on the supporting frame, the placing table 6 drives the workpiece 5 to move towards the inside of the lathe bed, and the first air cylinder stops driving the placing table 6 to move when a passage on the placing table 6 is opposite to a broaching hole on the supporting frame.

The hydraulic cylinder 1 is started, the hydraulic rod 2 drives the broach 4 to move downwards, the bottom end of the broach 4 penetrates through a hole of the workpiece 5, a broach hole of the placing table 6, the broach hole passes through the channel and the supporting frame, and the broach 4 moves downwards to process the workpiece 5. As the broaching tool 4 is moved downward, the bottom of the broaching tool 4 is inserted into the through hole of the stationary case of the second broaching tool coupling assembly 7. At this time, the second broach joint assembly 7 clamps the broach 4 in the same principle as the first broach joint assembly 3 is implemented, so that the broach 4 is fixed to the second broach joint assembly 7. Simultaneously first broach coupling assembling 3 unclamps broach 4, and the mode of unclamping is: drive through second cylinder 13 and promote 15 reverse movement of piece, it drives 16 reverse movement of drive block to promote piece 15, drive block 16 drives swivel becket 18 reverse rotation, the tip that promotion portion 30 on the swivel becket 18 inner wall is nearer apart from swivel becket 18 center is gradually to keeping away from chucking piece 20 direction and removing, the inner wall of promotion portion 30 no longer supports chucking piece 20 tightly, chucking piece 20 becomes not hard up, chucking piece 20 is under the effect of pressure spring and keep away from broach 4, chucking piece 20 is no longer to broach 4 chucking, can take out broach 4 from the set casing of first broach coupling assembling 3 this moment.

Then, the second driving mechanism drives the second broach connecting component 7 to move downwards, and the broach 4 is separated from the first broach connecting component 3, so that the broach 4 continues to move downwards to machine the workpiece 5. When the top end of the broach 4 moves below the placing table 6, the workpiece 5 is finished, the first cylinder drives the placing table 6 to slide out of the bed, the workpiece 5 is taken off from the placing table 6, and a new workpiece is replaced.

Meanwhile, the second driving mechanism drives the broach 4 to move upwards and reset, after the broach 4 moves upwards for a certain distance, the top end of the broach 4 is connected with the first broach connecting assembly 3 on the first driving mechanism, the top end of the broach 4 is clamped through the first broach connecting assembly 3, the second broach connecting assembly 7 on the second driving mechanism is enabled to loosen the broach 4 according to the same mode that the workpiece is loosened by the first broach connecting assembly 3, the broach 4 is driven by the first driving mechanism to continuously move upwards, the bottom end of the broach is separated from the second broach connecting assembly 7, so that the bottom end of the broach moves to the upper side of the placing table 6, the placing table 6 is driven by the first cylinder to move into the lathe bed at the moment, and the operation is repeated to process the next workpiece.

It is easy to understand, adopt broach 4 from the top to move the mode to add man-hour to work piece 5, only need with burring mechanism install place the below of platform 6 can to make broach 4 move down add man-hour to work piece 5, burring mechanism can clear up the lateral wall of broach 4 that comes out from work piece 5.

Example 2

It will be readily appreciated that the pushing portion on the rotating ring could also be an arcuate block projecting from the inner wall of the rotating ring 18 as shown in figure 9.

Example 3

As shown in fig. 10, the driving plate 9 in this embodiment is provided with sliding portions which are in sliding fit with the broaching machine, and the sliding portions in this embodiment include sliding holes which are located at four corners of the driving plate 9, and the vertical sliding of the driving plate 9 is realized by the cooperation of the sliding holes and the columns on the vertical broaching machine. The drive plate 9 is provided with an oilless bearing 28, a sleeve 29 and a fixed sleeve 27 which are coaxially connected with the sliding hole, the sleeve 29 is fixed on the lower surface of the drive plate 9 through screws, the fixed sleeve 27 is fixed on the upper surface and the lower surface of the drive plate 9 through screws, and the oilless bearing 28 is positioned in the sliding hole and the fixed sleeve 27. Thus, the drive plate 9 can slide more smoothly on the column of the vertical broaching machine by the oilless bearing 28.

In addition, the fixed cover 27 is equipped with dust ring 26 on keeping away from one end of drive plate 9, and dust ring 26 in this embodiment is frameless dust ring 26, through setting up dust ring 26, can play dirt-proof effect, avoids external dust to enter into fixed cover 27 in.

Example 4

It will be readily appreciated that rotation of the rotating ring 18 may also be driven by other means, such as by engagement of the outer side wall of the rotating ring 18 with a gear, by which rotation of the rotating ring 18 can be driven.

Example 5

It will be readily appreciated that other configurations of clamping mechanisms, such as a cam chuck, are possible for the first broach assembly 3 and second broach assembly 4 assembly attachment assemblies.

It is to be understood that the connection method described in the above embodiments is not exclusive, and for example, for the connection method by welding, the connection method by bolts and screws, and other assembly connection methods commonly used in the mechanical field may be adopted according to actual situations.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a vertical broaching machine of broach burring, includes the lathe bed, is equipped with the actuating mechanism who is used for driving the broach removal on the lathe bed, is equipped with the platform of placing that is used for placing the work piece on the lathe bed, its characterized in that: and the lathe bed is provided with a deburring mechanism positioned outside the placing table.

2. The broach deburring vertical broaching machine according to claim 1, characterized in that: the deburring mechanism comprises a cleaning ring and a driving assembly used for driving the cleaning ring to rotate, the middle of the cleaning ring can enable a broach to pass through, a cleaning block is arranged on the cleaning ring, and the part, facing the center of the cleaning ring, of the cleaning block is a cleaning part.

3. The broach deburring vertical broaching machine according to claim 2, characterized in that: the drive assembly includes a motor.

4. The broach deburring vertical broaching machine according to claim 3, characterized in that: the driving assembly further comprises a belt wheel and a belt, the belt is connected between the belt wheel and the cleaning ring, and the motor drives the belt wheel to rotate.

5. The broach deburring vertical broaching machine according to claim 2, characterized in that: the deburring mechanism further comprises a fixing ring, and the cleaning ring is rotatably connected to the fixing ring.

6. The broach deburring vertical broaching machine according to claim 2, characterized in that: the outer side of the cleaning block is covered with a cover.

7. The broach deburring vertical broaching machine according to any one of claims 1 to 6, characterized in that: the driving mechanism comprises a first driving mechanism and a second driving mechanism which are positioned on the upper side and the lower side of the placing table, the first driving mechanism is connected with a first broach connecting component which is used for being detachably connected with a broach, and the second driving mechanism is connected with a second broach connecting component which is used for being detachably connected with the broach.

8. The broach deburring vertical broaching machine according to any one of claims 1 to 6, characterized in that: the placing table can slide along the radial direction of the broach, and a passage for the broach to pass through is arranged on the placing table.

9. The broach deburring vertical broaching machine according to claim 7, characterized in that: first broach coupling assembling or second broach coupling assembling are equipped with the through-hole that is used for making the broach to pass including set casing and a plurality of chucking piece on the set casing, chucking piece sliding connection is on the set casing, and the chucking end of one end that the chucking piece is close to the through-hole is for being used for the chucking broach.

10. The broach deburring vertical broaching machine according to claim 8, characterized in that: a blocking piece is arranged above the placing table, and the blocking piece and the placing table can move close to each other.

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