CN210938158U

CN210938158U - Bidirectional exhibition knife

Info

Publication number: CN210938158U
Application number: CN201922047736.5U
Authority: CN
Inventors: 杨小龙
Original assignee: Zhejiang Sheng Industry Science And Technology Co ltd
Current assignee: Zhejiang Sheng Industry Science And Technology Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-07-07
Anticipated expiration: 2029-11-23

Abstract

The utility model discloses a two-way exhibition sword belongs to work piece processing equipment technical field, be provided with axle bed (2) in frame (1), set up the through-hole on axle bed (2), set up main shaft (3) in the through-hole, set up actuating mechanism (4) and actuating mechanism two (5) on frame (1), set up exhibition sword installation mechanism (6) in the one end of main shaft (3), set up a pair of exhibition sword mount (61) on exhibition sword installation mechanism (6), exhibition sword mount (61) sets up on the same axis, set up driving piece (7) that drive exhibition sword mount (61) make opposite directions or move dorsad on the same axis on exhibition sword installation mechanism (6); the utility model discloses can make exhibition tool bit relative movement more stable, the location is more accurate, and is more convenient to circumferential direction slot class parts machining, can further improve product quality.

Description

Bidirectional exhibition knife

Technical Field

The utility model belongs to the technical field of the work piece processing equipment, a two-way exhibition sword that is used for processing the circumference direction of the columnar body, can also punch or the tapping at the central point of the columnar body simultaneously.

Background

The invention discloses a combined type exhibition knife which is disclosed in the Chinese invention patent with the application number of 201210517686.2 in the application date of 12 month and 06 month in 2012, and comprises a shaft seat, wherein a rotating shaft is arranged in a shaft hole of the shaft seat, an exhibition knife seat is arranged at the front end of the rotating shaft, a drill bit clamping seat is arranged at the front end of the exhibition knife seat, and an opening communicated with a hollow shaft cavity of the rotating shaft is also arranged on the exhibition knife seat; a first unfolding cutter head is embedded in the opening; the combined type exhibition knife is used for processing parts such as inserts, valves and pipe fittings, but the processing precision of the exhibition knife is to be further improved.

The Chinese utility model with application number 201820994259.6, whose application date is 2018, 26.06.78, discloses a cutter head for exhibition, which comprises a base, a pull rod, a slide seat and a press plate, wherein the base is internally provided with a guide hole, the front side of the guide hole is provided with a transverse groove communicated with the guide hole, and the transverse groove extends along the guide hole in the radial direction; the pull rod is arranged in the guide hole, the sliding seat comprises a sliding plate arranged in the transverse groove and a sliding block exposed outside the transverse groove, and the sliding plate and the sliding block are connected into a whole; a wedge mechanism is arranged between the pull rod and the sliding plate, so that the pull rod moves axially along the guide hole and drives the sliding plate to move in the transverse groove along the radial direction of the guide hole; an inlaid strip for adjusting a gap between the inner side wall on one side of the sliding chute and the side wall on the side corresponding to the sliding block is arranged between the inner side wall on one side of the sliding chute and the side wall on the side corresponding to the sliding block, and the inlaid strip can move along the extending direction of the chute of the sliding chute; and a locking mechanism for locking or unlocking the relative position of the gib on the sliding groove is also arranged between the gib and the pressure plate. The device adopts the gib to adjust the positioning gap, can reduce the positioning error and improve the processing precision and efficiency.

The application date is 2018, 10, 28 and application number 201821751203.4, the Chinese utility model discloses a bidirectional exhibition tool bit, which comprises an exhibition tool bit main body and a groove tool, wherein a positioning support is arranged at the rear of the exhibition tool bit main body, a transition flange for connection is arranged at the rear of the positioning support, a pull rod is arranged on the inner side of the transition flange for connection, a counter bore is arranged on the side surface of the pull rod, the groove tool is positioned in front of the exhibition tool bit main body, a tool mounting seat is arranged at the rear of the groove tool, a slide block is arranged at the rear of the tool mounting seat, a tool bit seat is arranged at the rear of the slide block, and a slide groove is arranged on the inner side of the tool bit seat; the device is provided with the sliding block and the sliding groove, so that the pull rod and the sliding block have movement continuity, the operation is stable, the stroke is large, the problems of large impact, back clearance, non-uniform linear motion and the like can be solved.

The mechanism is the same as other mechanisms in the prior art, the relative movement of the cutter unfolding head is not stable enough, the positioning is not accurate enough, and the quality of a processed product is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome among the prior art exhibition tool bit relative movement unstable inadequately, fix a position technical problem accurate inadequately, provide one kind and make exhibition tool bit relative movement more stable, fix a position more accurate two-way exhibition sword.

In order to solve the technical problem, the utility model provides a bidirectional expanding knife, which comprises a frame, wherein a shaft seat is arranged on the frame, a through hole is arranged on the shaft seat, a main shaft is arranged in the through hole, a first driving mechanism for driving the main shaft to move in the axial direction is arranged on the frame, a second driving mechanism for driving the main shaft to rotate around the axial direction of the main shaft is arranged on the frame, an expanding knife mounting mechanism is arranged at one end of the main shaft, a pair of expanding knife fixing frames for fixing the expanding knife are arranged on the expanding knife mounting mechanism, the expanding knife fixing frames are arranged on the same axis, a driving piece for driving the expanding knife fixing frames to move oppositely or reversely on the same axis is arranged on the expanding knife mounting mechanism, the expanding knife fixing frames are arranged on the same axis, and the expanding knife moves on the same axis through the driving piece, thereby ensuring stable relative movement of the expanding knife head and accurate positioning, so as to improve the processing quality of the product.

As the utility model discloses a further improvement measure, foretell a two-way exhibition sword is provided with cutter fixing base on the exhibition sword casing, is provided with the cutter on cutter fixing base, and the cutter can be drill bit, tapping drill bit etc. can punch or tap etc. to the part that needs processing.

As a further improvement of the utility model, foretell a two-way exhibition sword, the one end of main shaft sets up rotary joint and interface one, and exhibition sword installation mechanism sets up the other end at the main shaft of keeping away from rotary joint, exhibition sword installation mechanism include the tube-shape casing, be provided with cavity two in the casing, set up interface two on the casing, interface one and interface two are connected through the connecting pipe, interface two and cavity two intercommunication, the one end and the main shaft fixed connection of casing, the other end and the exhibition sword mount sliding connection of casing, the driving piece sets up in cavity two, the utility model discloses a set up rotary joint and can make gas or liquid and interface one and be connected, rethread connecting pipe and interface two are connected, and the pressure through gas or the pressure of liquid promotes the driving piece and remove, like this, convenient operation, product processing is accurate.

As a further improvement of the present invention, the driving member is set to be circular, and the side wall of the driving member is connected to the inner wall of the cylindrical housing in a sealing manner. The driving piece can be pushed to move in the second cavity by the pressure of gas and liquid in the second cavity.

As a further improvement measure of the utility model, the bidirectional exhibition knife is characterized in that an inclined plane is arranged at the opposite position of two exhibition knife fixing frames, a wedge-shaped extrusion block is arranged between the exhibition knife fixing frames, the extrusion block is fixedly connected with a driving piece, a connecting part which enables the extrusion block to slide relative to the exhibition knife fixing frames is arranged between the surface of the extrusion block and the inclined plane of the exhibition knife fixing frames, the connecting part is arranged at the two sides of the extrusion block, 1 to 2 connecting parts are arranged at each side, the connecting part comprises a second bulge arranged on the wedge-shaped surface of the extrusion block and a second dovetail groove or a second T-shaped groove arranged on the inclined plane of the exhibition knife fixing frame, the second bulge is matched with the second dovetail groove or the second T-shaped groove, the two connecting parts are arranged at the two sides of the extrusion block, and the two dovetail grooves or the two T-shaped grooves arranged on the connecting parts are matched, so that the relative movement, prevent that the exhibition sword mount from appearing the skew or rocking in the course of working to make exhibition tool bit relative movement more stable, make the exhibition sword move on same axis, this has important effect to the precision that improves product processing.

As a further improvement of the utility model, foretell a two-way exhibition sword, exhibition sword mount be provided with the arch with exhibition sword casing junction, be provided with the cell body on the exhibition sword casing, arch and cell body cooperate.

As a further improvement of the present invention, the above-mentioned bidirectional expanding knife has a groove body that is a dovetail groove or a T-shaped groove, and the protrusion is a protrusion matched with the dovetail groove or the T-shaped groove.

As a further improvement of the present invention, the above-mentioned two-way expanding knife is characterized in that the first driving mechanism is fixedly connected with a fixing plate, the fixing plate is fixedly connected with the main shaft, and a limit screw is arranged on the shaft seat. The first driving mechanism can be set as an air cylinder, an oil cylinder or a servo motor.

Compared with the prior art, the beneficial effects of the utility model reside in that: 1. a pair of oppositely arranged unfolding knives are fixed on the unfolding knife fixing frame, and the extrusion block and the unfolding knife fixing frame are provided with connecting pieces which can slide relatively, so that the unfolding knife head can move relatively more stably and the positioning is more accurate.

2. The utility model discloses can make the exhibition sword carry out circumferential direction around the axis direction when doing the axial direction removal, can make a pair of exhibition sword do in opposite directions or remove dorsad simultaneously, it is more convenient to circumference direction slot type parts machining, can further improve product quality.

3. The utility model discloses utilize cylinder or servo motor, feed speed is stable, and feed speed is more convenient with the adjustment of stroke.

4. Through setting up cutter fixing base and cutter, can punch or the tapping when processing the slot to spare part circumference direction, can further improve production efficiency, improve product quality.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is an enlarged view of a portion I of fig. 3.

Fig. 5 is a sectional view taken along line B-B in fig. 3.

Fig. 6 is a perspective view of the present invention.

The reference numbers illustrate: 1-a rack, 2-a shaft seat, 21-a limiting screw, 3-a main shaft, 31-a cavity I, 32-a rotary joint, 33-a port I, 34-a shaft sleeve, 35-a bearing, 36-a cavity I, 4-a driving mechanism I, 5-a driving mechanism II, 6-a cutter unfolding installation mechanism, 60-a cutter unfolding, 61-a cutter unfolding fixing frame, 62-a shell, 63-a cavity II, 64-an extrusion block, 7-a driving piece, 8-a fixing plate, 9-a cutter fixing seat and 91-a cutter.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.

It should be noted that when two elements are referred to as being "fixedly connected" or "fixedly secured," the two elements may be directly connected or intervening elements may also be present.

Fig. 1 to 6 show a two-way exhibition sword, which includes a frame 1, be provided with a pair of axle bed 2 in frame 1, set up the through-hole on axle bed 2, set up main shaft 3 in the through-hole, set up fixed plate 8 on main shaft 3, fixed plate 8 and main shaft 3 fixed connection, fixed plate 8 sets up between two axle beds 2, set up drive mechanism one 4 that drive main shaft 3 removed in the axial direction on frame 1, this drive mechanism one 4 sets up to cylinder two, cylinder two can fix on frame 1, also can fix on one of them axle bed 2, fixed plate 8 and the piston rod fixed connection of cylinder two, piston rod drive fixed plate 8 through cylinder two removes, fixed plate 8 drives main shaft 3 and removes in the axial direction, thereby drive exhibition sword 60 and move forward. The cutter holder 9 is provided on the cutter expanding housing 62, the cutter 91 is provided on the cutter holder 9, and the cutter 91 may be a drill bit, a tapping bit, or the like, and may punch or tap a part to be processed. In order to accurately determine the moving distance of the spreader 60, the other shaft seat 2 is provided with a limiting screw 21, the limiting screw 21 is arranged opposite to the fixing plate 8, and the moving distance of the fixing plate 8 can be determined by adjusting the limiting screw 21, so that the moving distance of the spindle 3 can be determined, the moving distance of the spreader 60 can be determined, the groove cutting position of the spreader 60 in a workpiece to be processed is more accurate, and the punching precision can be improved.

As shown in fig. 1 to 4, a second driving mechanism 5 for driving the main shaft 3 to rotate around the axis direction of the main shaft 3 is arranged on the frame 1, the second driving mechanism 5 is a motor, a motor belt pulley is arranged on a driving shaft of the motor, a shaft belt pulley is arranged on the main shaft 3, a transmission belt is arranged between the motor belt pulley and the shaft belt pulley, and the main shaft 3 is driven to rotate by the motor. Thereby driving the spreader mounting mechanism 6 and the spreader 60 and the cutter 91 to rotate. The utility model discloses can make the exhibition sword carry out circumferential direction around the axis direction when doing the axial direction removal, can make a pair of exhibition sword do in opposite directions or remove dorsad simultaneously, it is more convenient to circumference direction slot type parts machining, can further improve product quality. Through setting up cutter fixing base 9 and cutter 91, can punch or the tapping when processing the slot to spare part circumferential direction, can further improve production efficiency.

As shown in fig. 3, a hollow cavity i 36 is arranged in the main shaft 3, so that a connecting pipe is conveniently arranged; a shaft sleeve 34 is arranged outside the main shaft 3, bearings 35 are arranged on two sides in the shaft sleeve 34, and the main shaft 3 is fixed on the bearings 35, so that the main shaft 3 rotates stably. One end of the main shaft 3 is provided with a rotary joint 32 and a first interface 33, the first interface 33 comprises an air inlet and an air outlet, and the rotary joint 32 is connected with the air pump to enable the air inlet in the first interface 33 to be used for air inlet or the air outlet to be used for air outlet.

As shown in fig. 1 to 3, a spreader mounting mechanism 6 is arranged on the main shaft 3, the spreader mounting mechanism 6 is arranged at the other end of the main shaft away from the rotary joint 32, the spreader mounting mechanism 6 includes a cylindrical housing 62, a cavity two 63 is arranged in the housing 62, a port two 31 is arranged on the housing 62, the port one 33 and the port two 31 are connected through a connecting pipe, the port two 31 is communicated with the cavity two 63, and one end of the housing 62 is fixedly connected with the main shaft 3; a pair of expanding knife fixing frames 61 for fixing the expanding knives 60 are arranged on the expanding knife mounting mechanism 6, the expanding knife fixing frames 61 are arranged on the same axis, and the other end of the shell 62 is in sliding connection with the expanding knife fixing frames 61; the driving piece 7 for driving the cutter unfolding fixing frame 61 to move in the opposite direction or in the opposite direction on the same axis is arranged on the cutter unfolding mounting mechanism 6, the driving piece 7 is arranged in the second cavity 63, the driving piece 7 is circular, and the side wall of the driving piece 7 is hermetically connected with the inner wall of the cylindrical shell 62, so that gas or liquid can be prevented from leaking; gas or liquid enters the second cavity 63 through the second interface 31 to form a certain pressure, and the driving member is pushed to move back and forth in the second cavity 63 at one side of the driving member 7.

The utility model discloses a set up rotary joint 32 and can make gas or liquid and interface 33 with be connected, the rethread connecting pipe is connected with interface two 31, through setting up a pair of exhibition sword mount 61 on same axis to pressure through gas or the pressure of liquid promotes driving piece 7 and removes, and driving piece 7 makes exhibition sword 60 move on same axis, guarantees like this that exhibition tool bit relative movement is stable, and the location is accurate, with the processingquality who improves the product.

As shown in fig. 5, inclined planes are arranged at the opposite positions of two scalpel holding frames 61, a wedge-shaped extruding block 64 is arranged between the scalpel holding frames 61, the extruding block 64 is fixedly connected with a driving part 7, a connecting part which enables the extruding block 64 and the scalpel holding frames 61 to relatively slide is arranged between the surface of the extruding block 64 and the inclined planes of the scalpel holding frames 61, the connecting part is arranged at two sides of the extruding block 64, each connecting part is 2, the connecting part comprises a second bulge arranged on the wedge-shaped surface of the extruding block 64 and a second dovetail groove or a second T-shaped groove arranged on the inclined planes of the scalpel holding frames 61, the second bulge is matched with the second dovetail groove or the second T-shaped groove, the relative movement between the extruding block 64 and the scalpel holding frames 61 can be more stable through the 2 connecting parts arranged at two sides of the extruding block 64 and through the second bulge arranged on the connecting part and the second dovetail groove or the, the utility model has the advantages of prevent that exhibition sword mount 61 from appearing skew or rocking in the course of working to make exhibition tool bit relative movement more stable, because exhibition sword 60 moves on same axis, this has important effect to improving the precision of product processing.

As shown in fig. 1 and 6, a first protrusion is arranged at a joint of the scalpel holding frame 61 and the scalpel housing 62, and a first groove body is arranged on the scalpel housing 62, and the first protrusion is matched with the first groove body. For convenience in processing, the first groove body is provided with a dovetail groove or a T-shaped groove, and the first bulge is matched with the dovetail groove or the T-shaped groove, so that the movement of the cutter holder 61 is more stable.

As another embodiment, the first driving mechanism 4 is a servo motor, a ball screw and a nut seat are arranged on a main shaft of the servo motor, the nut seat is fixedly connected with the fixing plate 8, the fixing plate 8 is fixedly connected with the main shaft 3, the shaft seat 2 is provided with a limit screw 21, and the servo motor is used for driving the moving distance of the main shaft 3 in the axial direction, so that the moving distance is more accurate, the feeding speed is stable, the adjustment of the feeding speed and the stroke is more convenient, and the processing quality can be further improved.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make modifications and improvements without departing from the scope of the present invention.

Claims

1. The utility model provides a two-way exhibition sword, includes frame (1), is provided with axle bed (2) in frame (1), sets up the through-hole on axle bed (2), sets up main shaft (3) in the through-hole, sets up driving spindle (3) in actuating mechanism (4) that axial direction removed in frame (1), sets up driving spindle (3) around main shaft axis direction pivoted actuating mechanism two (5), its characterized in that in frame (1): one end at main shaft (3) sets up exhibition sword installation mechanism (6) on set up a pair of exhibition sword mount (61) that are used for fixed exhibition sword (60), exhibition sword mount (61) set up on same axis, set up on exhibition sword installation mechanism (6) and drive exhibition sword mount (61) do driving piece (7) that move in opposite directions or dorsad on same axis.

2. The bidirectional surgical knife according to claim 1, wherein: a cutter fixing seat (9) is arranged on the cutter unfolding shell (62), and a cutter (91) is arranged on the cutter fixing seat (9).

3. A bidirectional surgical knife according to claim 1 or 2, wherein: the one end of main shaft (3) sets up rotary joint (32) and interface one (33), and exhibition sword installation mechanism (6) set up the other end of keeping away from the main shaft of rotary joint (32), exhibition sword installation mechanism (6) include tube-shape casing (62), be provided with cavity two (63) in casing (62), set up interface two (31) on casing (62), interface one (33) and interface two (31) are connected through the connecting pipe, interface two (31) and cavity two (63) intercommunication, the one end and the main shaft (3) fixed connection of casing (62), the other end and the exhibition sword mount (61) sliding connection of casing (62), driving piece (7) set up in cavity two (63).

4. A bidirectional surgical knife according to claim 3, wherein: the driving piece (7) is round, and the side wall of the driving piece (7) is hermetically connected with the inner wall of the cylindrical shell (62).

5. The bidirectional surgical knife according to claim 4, wherein: inclined planes are arranged at the opposite positions of the two expanding knife fixing frames (61), wedge-shaped extrusion blocks (64) are arranged between the expanding knife fixing frames (61), the extrusion blocks (64) are fixedly connected with the driving piece (7), and connecting parts which enable the extrusion blocks (64) and the expanding knife fixing frames (61) to slide relatively are arranged between the surfaces of the extrusion blocks (64) and the inclined planes of the expanding knife fixing frames (61).

6. The bidirectional surgical knife of claim 5, wherein: the connecting parts are arranged on two sides of the extrusion block (64), and the number of the connecting parts on each side is 1-2.

7. The bidirectional surgical knife of claim 6, wherein: the connecting part comprises a second bulge arranged on the wedge-shaped surface of the extrusion block (64) and a second dovetail groove or a second T-shaped groove arranged on the inclined surface of the spreading cutter fixing frame (61), and the second bulge is matched with the second dovetail groove or the second T-shaped groove.

8. A bidirectional surgical knife according to claim 3, wherein: the joint of the exhibition knife fixing frame (61) and the exhibition knife shell (62) is provided with a first protrusion, the exhibition knife shell (62) is provided with a first groove body, and the first protrusion is matched with the first groove body.

9. The bidirectional surgical knife of claim 8, wherein: the first groove body is provided with a dovetail groove or a T-shaped groove, and the first bulge is matched with the dovetail groove or the T-shaped groove.

10. The bidirectional surgical knife according to claim 1, wherein: a fixing plate (8) is fixedly connected to the first driving mechanism (4), the fixing plate (8) is fixedly connected with the main shaft (3), and a limit screw (21) is arranged on the shaft seat (2).