CN212329839U - Bilateral pulling type vertical broaching machine - Google Patents

Abstract

The utility model relates to a vertical broaching machine field, concretely relates to two side pull-type vertical broaching machines, including 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 on the lathe bed and be located the first actuating mechanism and the second actuating mechanism of placing bench top, lower both sides respectively, be connected with on the first actuating mechanism and be used for dismantling the first broach coupling assembling of being connected with the broach, be connected with on the second actuating mechanism and be used for dismantling the second broach coupling assembling of being connected with the broach. This scheme need not the workman and takes off and install the broach from actuating mechanism repeatedly.

Description

Bilateral pulling type vertical broaching machine

Technical Field

The utility model relates to a vertical broaching machine field, concretely relates to two side pull-type vertical broaching machines.

Background

The broaching machine is a device for processing round holes, spline holes or key slots on workpieces. The existing vertical broaching machine is only provided with a driving mechanism for driving a broaching tool to move, the driving mechanism is positioned below a placing table, a workpiece is placed on the placing table during machining, the bottom end of the broaching tool penetrates through a hole of the workpiece and a hole in the placing table from the upper side 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 machines 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, when each workpiece is machined, the broach needs to be pulled out of 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.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical broaching machine of two side pulling-types to need not the workman and take off the broach from actuating mechanism and install repeatedly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a vertical broaching machine of two side pulling-type, includes 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 first actuating mechanism and the second actuating mechanism that are located respectively and place bench upper and lower both sides on the lathe bed, is connected with on the first actuating mechanism to be used for dismantling the first broach coupling assembling of being connected with the broach, is connected with on the second actuating mechanism to be used for dismantling the second broach coupling assembling of being connected with the broach.

The principle and the advantages of the scheme are as follows: the placing table is used for placing the workpiece. 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.

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 onto 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, meanwhile, the second broach connecting assembly on the second driving mechanism loosens 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 be the broach from the up-down removal, still broach from the top down removes, first broach coupling assembling and second broach coupling assembling are connected with the broach alone respectively to make and need not the manual work and take off 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 off, has reduced workman's manipulation strength, especially the broach that the volume is great, the body face is more obvious. 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, 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, the fixed shell is rotatably connected with a rotating ring, the inner wall of the rotating ring is provided with a plurality of pushing parts, and the distance from one end of each pushing part to the center of the rotating ring is smaller than the distance from the other end of each pushing part to the center of the rotating ring; one end of the clamping block, which is far away from the through hole, is used for abutting against the inner wall of the pushing part.

Through making the rotating ring rotate, the tip that promotion portion on the rotating ring inner wall is nearer from the rotating ring center removes to being close to chucking piece direction, makes the inner wall of promotion portion and the tip of chucking piece offset like this, and the inner wall of promotion portion promotes the chucking piece and slides along the radial direction of rotating ring on the set casing, and the chucking piece slides to the central point position that is close to the rotating ring, and the chucking end of chucking piece offsets with the lateral wall of broach to with the broach chucking. When needs loosen the broach, the reverse is to the swivel becket rotation, and the tip that promotion portion on the swivel becket inner wall is nearer apart from the swivel becket center removes to keeping away from chucking piece direction gradually, and the inner wall of promotion portion no longer supports the chucking piece tightly, and the chucking piece becomes not hard up, and the chucking piece no longer is to the broach chucking, can take out the broach from the set casing this moment.

Preferably, as an improvement, an elastic member is connected between the stationary case and the clamping block. Therefore, when the clamping block moves towards the direction close to the center of the rotating ring, the clamping block drives the elastic piece to deform, and therefore the elastic piece stores force. When the rotating ring is not used for tightly supporting the clamping block, the clamping block is automatically away from the broach inserted into the fixed shell under the action of the elastic piece, so that a gap is reserved between the clamping block and the broach, and the broach is taken out of the fixed shell or is inserted into the fixed shell more smoothly without being blocked by the clamping block.

Preferably, as a modification, the clamping block is provided with a receiving hole, and the elastic member is located in the receiving hole. Therefore, the elastic piece is positioned in the accommodating hole, so that the assembly structure of the elastic piece and the clamping block is more compact.

Preferably, as an improvement, be equipped with the support frame on the lathe bed, place the platform and be located the support frame, be equipped with on the support frame and be used for the pulling to place the first cylinder that the platform removed. Thus, the support frame is used for supporting the placing table. The placing table can be pulled to move through the first air cylinder, so that the placing table can stretch out of the lathe bed, and a workpiece is conveniently placed on the placing table or a machined workpiece is taken down from the placing table. After the workpiece is placed on the placing table, the placing table is pulled to move through the first air cylinder, so that the hole of the workpiece is opposite to the broach, and the broach can conveniently process the workpiece.

After the broach in this scheme was accomplished the processing to the work piece and passed the work piece completely, earlier lateral shifting places the platform, will place platform and work piece and move to the side direction of broach, then steerable broach resets, can take off the work piece that processing was accomplished simultaneously to place the bench and put into the work piece that the next wait was processed, the broach resets promptly and changes the work piece and can go on simultaneously, compares prior art, need not to wait for the broach and gets the work piece again after whole resets, has effectively improved machining efficiency.

Preferably, as an improvement, a stopper is provided above the placing table, and a distance between the stopper and the placing table can be changed. Because keep off the piece and place the distance between the platform and can change, like this when adopting the broach from moving mode from bottom to top to add man-hour to the work piece, can make and keep off and place and be close to each other between the platform, keep off the piece and place the platform and carry out the centre gripping to the work piece jointly, the work piece is located and places the bench more stable like this, has avoided broach rebound when not keeping off the piece to add man-hour to the work piece, and the broach is released the work piece from placing the bench.

Preferably, as an improvement, a vertical screw is screwed on the supporting frame or the stopper. Therefore, the relative movement between the support frame and the stopper can be realized by rotating the screw rod.

Preferably, as a modification, the bed includes columns, and the number of the columns is at least three. The existing vertical broaching machine is generally a double-column machine, and in the scheme, the number of the columns is at least three, so that the vertical broaching machine is more stable, and the machining precision of equipment is higher.

Preferably, as an improvement, the lathe bed is provided with a cooling liquid tank. The cooling liquid box is used for containing cooling liquid, and can provide cooling liquid for workpieces in the machining process so as to play roles in cooling and cleaning.

Drawings

Fig. 1 is a perspective view of a double-sided pull type vertical broaching machine.

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 plan view of the swivel ring in embodiment 2.

Fig. 7 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, broaches 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 portion 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 portion 30, an upright column 31, a baffle 32, a lead screw 33 and a cooling liquid tank 34.

Example 1

Substantially as shown in figures 1 to 5 of the accompanying drawings: a double-side pull type vertical broaching machine comprises a vertical machine body, wherein the machine body comprises a plurality of stand columns 31, specifically, the number of the stand columns 31 is four in the embodiment, and the four stand columns 31 are distributed in a rectangular mode, namely, the machine body is of a four-stand-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 and the placing table 6 are both provided with broach holes. A die for placing the workpiece 5 is welded on the placing table 6.

All be equipped with first actuating mechanism and the second actuating mechanism that is located respectively and places the upper and lower both sides of platform 6 through the bolt fastening on the lathe bed, it is specific, 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 can 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 can 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.

The specific implementation process is as follows: the tip of the broach 4 is inserted into the fixing case of the first broach attachment assembly 3 through the through-hole of the fixing case. 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 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 broaching hole in the placing table 6 is opposite to a broaching hole in 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 and a broach hole of 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 is moved to the placing table 6, the workpiece 5 is completely machined, and the workpiece 5 is removed from the placing table 6.

Then, the second driving mechanism drives the broach 4 to move upwards, 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 5 is loosened by the first broach connecting assembly 3, the broach 4 is driven by the first driving mechanism to continue to move upwards, the bottom end of the broach is separated from the second broach connecting assembly 7, and therefore the broach moves to the upper side of the placing table 6, at the moment, a new workpiece 5 is placed on the placing table 6, the operation is repeated, and the next workpiece 5 is processed.

Of course, the workpiece 5 is machined by the broach 4 in such a manner that the broach 4 moves from top to bottom. In this embodiment, the workpiece 5 may be machined by moving the broach 4 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 workpiece 5 is taken down from the placing table 6, 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 by the first broaching tool connecting assembly 3, the broaching tool 4 is driven by the second driving mechanism to move downwards, the top end of the broaching tool 4 is separated from the first driving mechanism, and the broaching tool 4 is reset downwards. After the broach 4 is reset, another workpiece 5 is placed on the placing table 6 to process the next workpiece 5.

It can be easily understood that, adopt broach 4 to follow the mode that upwards moves and process work piece 5 down, place work piece 5 on the platform 6 and be promoted by broach 4 easily, for this embodiment, the top of placing platform 6 is equipped with keeps off the piece, keep off in this embodiment and be baffle 32, the welding of the bottom of baffle 32 has the mould to the centre gripping of work piece 5, be equipped with the broach hole on the baffle 32, baffle 32 and the distance of placing between the platform 6 can change, can be for baffle 32 can vertical migration, perhaps place platform 6, baffle 32 homoenergetic vertical migration. The placing table 6 adopted in the embodiment can vertically move, specifically, as shown in fig. 2, the column 31 is tubular, the vertical screw 33 is rotatably connected to the column 31 through a bearing, the support frame is in threaded connection with the screw 33, and a motor for driving the screw 33 to rotate is arranged on the bed body. 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, keep off the piece and place the platform 6 and carry out the centre gripping to work piece 5 jointly, work piece 5 is located and places the platform 6 and go up more stably like this, avoided broach 4 to upwards move when not keeping off the piece and add man-hour to work piece 5, broach 4 releases work piece 5 from placing platform 6.

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 6.

Example 3

As shown in fig. 7, the driving plate 9 in this embodiment is provided with sliding portions which are in sliding fit with the broaching machine, 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 vertical 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 easily understood that, for the above embodiments, a person skilled in the art can select a suitable connection mode according to actual situations, for example, for a fixed connection mode, not only a welding mode, but also a bolt, a screw connection mode or other assembling connection modes common in the art, and the like.

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 two side pulling types, includes 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: the lathe bed is provided with a first driving mechanism and a second driving mechanism which are respectively positioned at 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 detachably connected with a broach, and the second driving mechanism is connected with a second broach connecting component which is detachably connected with the broach.

2. The double-sided pull type vertical broaching machine according to claim 1, wherein: 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.

3. The double-sided pull type vertical broaching machine according to claim 2, wherein: the fixed shell is rotatably connected with a rotating ring, the inner wall of the rotating ring is provided with a plurality of pushing parts, and the distance from one end of each pushing part to the center of the rotating ring is smaller than the distance from the other end of each pushing part to the center of the rotating ring; and one end of the clamping block, which is far away from the through hole, is used for abutting against the inner wall of the pushing part.

4. A double-sided pull type vertical broaching machine according to claim 3, characterized in that: an elastic piece is connected between the fixed shell and the clamping block.

5. The double-sided pull type vertical broaching machine according to claim 4, wherein: the clamping block is provided with a containing hole, and the elastic piece is positioned in the containing hole.

6. A double-sided pull type vertical broaching machine according to any one of claims 1 to 5, characterized in that: the lathe bed is provided with a support frame, the placing table is positioned on the support frame, and the support frame is provided with a first cylinder for pulling the placing table to move.

7. The double-sided pull type vertical broaching machine according to claim 6, wherein: a stopping piece is arranged above the placing table, and the distance between the stopping piece and the placing table can be changed.

8. The double-sided pull type vertical broaching machine according to claim 7, wherein: the supporting frame or the blocking piece is in threaded connection with a vertical screw rod.

9. The double-sided pull type vertical broaching machine according to claim 1, wherein: the lathe bed includes the stand, and the quantity of stand is three at least.

10. The double-sided pull type vertical broaching machine according to claim 1, wherein: and a cooling liquid tank is arranged on the lathe bed.

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