CN214773149U

CN214773149U - Chamfering device

Info

Publication number: CN214773149U
Application number: CN202120548377.6U
Authority: CN
Inventors: 杨安均
Original assignee: Sichuan Xiongchen Technology Co ltd
Current assignee: Sichuan Xiongchen Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-19
Anticipated expiration: 2031-03-17

Abstract

The utility model relates to a chamfering device belongs to the mechanical equipment field. Including cavity cylindricality shell, the center pin, the locking pull rod, taper bearing, planar bearing, the connector, first drive arrangement and second drive arrangement, the inside of cavity cylindricality shell is provided with the center pin, the inside at the center pin is established to the locking pull rod cover, the length of locking pull rod is greater than the center pin, locking pull rod one end is used for the clamping work piece, the other end can be dismantled with the one end of connector and be connected, the one end that the connector was kept away from to the center pin is provided with the pin, the locking pull rod is provided with the cotter way, taper bearing is installed respectively at both ends about the center pin is located cavity cylindricality shell, the planar bearing is installed to the one end that the center pin is close to the connector, first drive arrangement is connected with the locking pull rod and is used for driving the locking pull rod and rotates, the second drive arrangement is connected with the connector and is used for driving the connector motion. Time and labor are saved, the efficiency is high, the stability is good, the concentricity is good, and the processing quality of the workpiece is high.

Description

Chamfering device

Technical Field

The utility model relates to a mechanical equipment technical field particularly, relates to a chamfering device.

Background

The diamond compact is formed by sintering diamond micro powder and a hard alloy matrix at high temperature and high pressure, has the high hardness, high wear resistance and heat conductivity of diamond and the strength and impact toughness of hard alloy, and is an ideal material for manufacturing drilling bits and other wear-resistant tools. In order to enable the diamond compact to exert effects better, reduce the influence of stress concentration generated during drilling or machining of the compact, prolong the service life of a product and improve the cutting performance, chamfering treatment is often performed on the compact. However, with the continuous development of scientific technology and social production, higher and higher requirements are put forward on the quality and productivity of machining, and the advantages of the traditional diamond compact with a regular shape in the aspects of drilling speed, abrasion resistance, impact resistance, production efficiency and the like are more and more unobvious, so that irregular-shaped composite sheets with irregular shapes are derived from the diamond compact, but the key problem of chamfering the irregular-shaped composite sheets is also solved.

CN207508908U discloses a chamfer device, its simple structure, convenient operation, manufacturing cost is reduced, add man-hour, through the rotation of clamping lever, can be with the terminal surface chamfer shape of chamfer template carve again on processing the work piece, equipment is difficult to damage when adding man-hour simultaneously, the life of equipment has been prolonged, but the device is locking or not hard up all with the hand twist grip at clamping work piece locking, locking or not hard up, it is comparatively time-consuming, comparatively extravagant manual work, and can influence its stability when manual operation, efficiency is not very high, and its concentricity is not very good, can influence its stability and the quality of work piece processing.

SUMMERY OF THE UTILITY MODEL

To foretell not enough among the prior art, the utility model provides a chamfering device, the device is simple, convenient to use, and is time-saving, and is efficient, and manpower sparingly that can also be great has better stability simultaneously, and the concentricity is good, and the processingquality of work piece is high.

In order to achieve the above object, the utility model discloses a solution is:

a chamfering device comprises a hollow cylindrical shell, a central shaft, a locking pull rod, a taper bearing, a plane bearing, a connector, a first driving device and a second driving device, wherein a first end cover and a second end cover are respectively arranged at two ends of the hollow cylindrical shell, a central shaft is arranged in the hollow cylindrical shell, two ends of the central shaft respectively extend out of the first end cover and the second end cover, the locking pull rod is sleeved in the central shaft, the length of the locking pull rod is greater than that of the central shaft, one end of the locking pull rod is used for clamping a workpiece, the other end of the locking pull rod is detachably connected with one end of the connector, a pin is arranged at one end of the central shaft far away from the connector, a pin groove matched with the pin is arranged at one end of the locking pull rod far away from the connector, the taper bearing is respectively arranged at the left end and the right end of the central shaft, which are positioned in the hollow cylindrical shell, the plane bearing is arranged at one end of the central shaft, which is close to the connector, the plane bearing is positioned between the taper bearing and the second end cover, the first driving device is connected with the locking pull rod and used for driving the locking pull rod to rotate, and the second driving device is connected with one end, far away from the locking pull rod, of the connector and used for driving the connector to move in the linear direction of the first end cover and the second end cover.

Further, the utility model discloses in the embodiment of the preferred, first drive arrangement includes motor, driving gear, driven gear, gear belt and mounting bracket, the transmission shaft and the driving gear connection of motor, driven gear rotates with the mounting bracket to be connected, driving gear and driven gear pass through the gear belt transmission and are connected, driven gear and center pin connection, the one end of locking pull rod is passed the mounting bracket and is connected with the connector.

Further, in a preferred embodiment of the present invention, the second driving device includes a cylinder and a controller, a piston rod of the cylinder is connected to the connector, and the controller is electrically connected to the cylinder.

Further, in the preferred embodiment of the present invention, the connector is a rectangular ring, the connector includes a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, and the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are sequentially connected to form a rectangular ring.

Further, the utility model discloses in the embodiment of the preferred, the one end that the locking pull rod is close to the connector is provided with the external screw thread, and the middle part of head rod is seted up with locking pull rod matched with first through-hole, and the locking pull rod passes first through-hole and is provided with locking screw.

Further, the utility model discloses in the embodiment of the preferred, the third connecting rod be provided with adjusting screw and with adjusting screw matched with adjustable screw, the third connecting rod seted up with adjustable screw matched with second through-hole, adjustable screw's one end is connected with the piston rod of cylinder, the other end with adjusting screw connect and pass the second through-hole.

Further, the utility model discloses in the embodiment of the preferred, the one end of locking pull rod is provided with the tapered end that is used for the centre gripping work piece, and the tapered end is loudspeaker form, and the terminal surface center of tapered end extends to the bottom of tapered end and forms the accommodation space that is used for holding the work piece of waiting to process, and it has a plurality of recesses to distribute along its axial on the lateral wall of tapered end, and a plurality of recesses divide into a plurality of petal forms with the tapered end lateral wall to make the tapered end can follow radial shrink or expansion, so that the clamping waits to process the work piece.

Further, in a preferred embodiment of the present invention, a backing ring is disposed between the first end cap and the taper bearing.

Further, in a preferred embodiment of the present invention, the first end cap is further provided with a sealing ring.

The utility model provides a chamfer device's beneficial effect is: when the device is used, the connector is driven to move towards the direction far away from the hollow cylindrical shell through the second driving device, the locking pull rod is driven to move towards the direction far away from the hollow cylindrical shell through the connector to tighten a workpiece, meanwhile, the pin of the central shaft is clamped into the pin groove of the locking pull rod, so that the central shaft is connected with the locking pull rod, then the central shaft is driven to rotate through the first driving device, so that the locking pull rod is driven to rotate, and further the workpiece is driven to rotate, the clamping time is greatly saved, the locking and loosening are completed within 2 seconds each time, the speed is high, the efficiency is high, the stability of clamping can be greatly improved through the second driving device, the concentricity of the test workpiece, the central shaft and the locking pull rod can be improved through the taper bearing, the concentricity can be further ensured through the plane bearing, the function of unloading can also be realized, the condition that the central shaft does not rotate is avoided, and the concentricity of the clamping workpiece can be greatly improved through the combined action of the taper bearing and the plane bearing, the concentricity of the workpiece, the central shaft and the locking pull rod can reach 0.01 through testing, and the processing quality of the workpiece is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a chamfering device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a hollow cylindrical housing provided by an embodiment of the present invention.

Icon: 100-chamfering device; 200-a hollow cylindrical housing; 210-a first end cap; 220-a second end cap; 230-a backing ring; 240-sealing ring; 300-central axis; 400-locking the pull rod; 410-a lock head; 420-a groove; 430-external thread; 440-locking screws; 500-taper bearing; 600-plane bearings; 700-a connector; 710-a first connecting rod; 720-a second connecting rod; 730-a third connecting rod; 731-adjusting screw; 732-an adjustable screw; 740-a fourth connecting rod; 800-a first drive; 810-an electric machine; 820-a drive gear; 830-a driven gear; 840-gear belts; 850-mounting frame; 900-second driving means; 910-a cylinder; 920-controller.

Detailed Description

Make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, will combine the attached drawing in the embodiment of the present invention below, to the technical scheme in the embodiment of the present invention clearly, completely describe, obviously, the embodiment described is a partial embodiment of the present invention, rather than whole embodiment. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 and 2, the present embodiment provides a chamfering apparatus 100, which includes a hollow cylindrical housing 200, a central shaft 300, a locking pull rod 400, a taper bearing 500, a plane bearing 600, a connector 700, a first driving device 800, and a second driving device 900.

The hollow cylindrical housing 200 is provided at both ends thereof with a first end cap 210 and a second end cap 220, respectively, and the first end cap 210 and the second end cap 220 are connected to both ends of the hollow cylindrical housing 200 by bolts, respectively. The first end cap 210 and the second end cap 220 are annular plates with the same diameter as the hollow cylindrical shell 200, and cover the hollow cylindrical shell 200, and the hollow cylindrical shell 200, the first end cap 210 and the second end cap 220 form a main support framework of the whole device and provide support for the whole device.

The hollow cylindrical housing 200 is provided with a center shaft 300 inside, and both ends of the center shaft 300 extend to the outside of the first end cap 210 and the second end cap 220, respectively, that is, the center shaft 300 is longer than the hollow cylindrical housing 200, so that the center shaft 300 passes through the first end cap 210 and the second end cap 220, and since the first end cap 210 and the second end cap 220 are annular, the center shaft 300 can pass through a through hole in the middle of the first end cap 210 and the second end cap 220, respectively, so that the first driving device 800 is connected to the center shaft 300. The locking pull rod 400 is sleeved inside the central shaft 300, and the length of the locking pull rod 400 is larger than that of the central shaft 300, so that one end of the locking pull rod is used for clamping a workpiece, and the other end of the locking pull rod is connected with the connector 700.

One end of the locking pull rod 400 is used for clamping a workpiece, and the other end of the locking pull rod is detachably connected with one end of the connector 700.

Furthermore, one end of the locking pull rod 400 is provided with a lock head 410 for clamping a workpiece, the lock head 410 is in a horn shape, the center of the end surface of the lock head 410 extends towards the bottom of the lock head 410 to form an accommodating space for accommodating the workpiece to be processed, a plurality of grooves 420 are distributed on the side wall of the lock head 410 along the axial direction of the lock head, and the side wall of the lock head 410 is divided into a plurality of petal shapes by the plurality of grooves 420, so that the lock head 410 can be contracted or expanded along the radial direction to clamp the workpiece to be processed.

The tapered bearing 500 is installed respectively at both ends about the center pin 300 is located hollow cylindrical shell 200, planar bearing 600 is installed to the one end that center pin 300 is close to connector 700, planar bearing 600 is located between tapered bearing 500 and second end cover 220, can improve the test work piece through tapered bearing 500, the concentricity of center pin 300 and locking pull rod 400, can further ensure the concentricity through planar bearing 600, can also play the effect of unloading, avoid the not pivoted condition of center pin 300 to take place, the concentricity of improvement clamping work piece that can be great through the combined action of tapered bearing 500 and planar bearing 600, through the test work piece, the concentricity of center pin 300 and locking pull rod 400 can reach 0.01, great improvement the processingquality of work piece.

The first driving device 800 is connected to the locking rod 400 and is used to drive the locking rod 400 to rotate, and the second driving device 900 is connected to one end of the connector 700 away from the locking rod 400 and is used to drive the connector 700 to move in the linear direction of the first end cap 210 and the second end cap 220. The end of the central shaft 300 remote from the connector 700 is provided with a pin (not shown) and the end of the locking lever 400 remote from the connector 700 is provided with a pin slot (not shown) for engagement with the pin.

In use, the second driving device 900 drives the connector 700 to move away from the hollow cylindrical housing 200, the connector 700 drives the locking pull rod 400 to move towards the direction far away from the hollow cylindrical shell 200 to clamp the workpiece (when the second driving device 900 drives the connector 700 to move towards the direction far away from the hollow cylindrical shell 200, the locking pull rod 400 is pulled backwards, the lock head 410 is contracted inwards by the radial force of the central shaft 300, so that the workpiece can be clamped), and at the same time, the pin of the central shaft 300 is snapped into the pin groove of the locking draw bar 400, so that the central shaft 300 is connected with the locking draw bar 400, then the first driving device 800 drives the central shaft 300 to rotate, thereby driving the locking pull rod 400 to rotate, and then drive the work piece and rotate, great saving the clamping time, locking and not hard up are accomplished in 2 seconds at every turn, and are fast, efficient, and the stability of improvement clamping that can be great through second drive arrangement 900.

Further, the first driving device 800 includes a motor 810, a driving gear 820, a driven gear 830, a gear belt 840 and a mounting rack 850, a transmission shaft of the motor 810 is connected with the driving gear 820, the driven gear 830 is rotatably connected with the mounting rack 850, the driving gear 820 and the driven gear 830 are connected through the gear belt 840 in a transmission manner, the driven gear 830 is connected with the central shaft 300, one end of the locking pull rod 400 penetrates through the mounting rack 850 and is connected with the connector 700, the driving gear 820 is driven to rotate through the transmission shaft of the motor 810, the driven gear 830 is driven to rotate through the gear belt 840, the central shaft 300 is driven to rotate through the rotation of the driven gear 830, and then the locking pull rod 400 is driven to rotate.

Further, the second driving device 900 includes an air cylinder 910 and a controller 920, a piston rod of the air cylinder 910 is connected to the connector 700, the controller 920 is electrically connected to the air cylinder 910, and the piston rod of the air cylinder 910 drives the connector 700 to move in a linear direction of the first end cap 210 and the second end cap 220, that is, to move forward or to move mutually in a radial direction, so that the locking pull rod 400 moves forward or to move mutually in a radial direction, and further locks or loosens the workpiece, which is stable and efficient.

Further, the connector 700 is a rectangular ring, the connector 700 includes a first connecting rod 710, a second connecting rod 720, a third connecting rod 730 and a fourth connecting rod 740, and the first connecting rod 710, the second connecting rod 720, the third connecting rod 730 and the fourth connecting rod 740 are sequentially connected in an ending manner to form the rectangular ring. The connector 700 is formed as a rectangular ring for the purpose of providing a clearance therebetween, facilitating the removal of the locking screw 440 and reducing the load.

Further, an external thread 430 is disposed at an end of the locking rod 400 close to the connector 700, a first through hole (not shown) is formed in the middle of the first connecting rod 710, and the locking rod 400 passes through the first through hole and is provided with a locking screw 440. The locking lever 400 is coupled to the connector 700 by a locking screw 440.

Further, the third connecting rod 730 is provided with an adjusting screw 731 and an adjustable screw 732 matched with the adjusting screw 731, the third connecting rod 730 is provided with a second through hole (not shown) matched with the adjustable screw 732, one end of the adjustable screw 732 is connected with the piston rod of the cylinder 910, the other end of the adjustable screw 732 is connected with the adjusting screw 731 and passes through the second through hole, the length of the locking pull rod 400 or the central shaft 300 has a certain tolerance, and the locking pull rod can be adjusted tightly by the adjusting screw 731.

Further, a backing ring 230 is arranged between the first end cap 210 and the taper bearing 500, the backing ring 230 can enhance the strength of the device, prevent the taper bearing 500 from being directly fixed on the first end cap 210, reduce the load of the first end cap 210, and prolong the service life of the device.

Further, the first end cap 210 is further provided with a sealing ring 240 in order to improve its tightness.

To sum up, the chamfering device of the utility model, when in use, drives the connector to move towards the direction far away from the hollow cylindrical shell through the second driving device, drives the locking pull rod to move towards the direction far away from the hollow cylindrical shell through the connector to tighten the workpiece, meanwhile, the pin card of the central shaft is clamped into the pin groove of the locking pull rod, so that the central shaft is connected with the locking pull rod, then the central shaft is driven to rotate through the first driving device, thereby driving the locking pull rod to rotate, further driving the workpiece to rotate, greatly saving the clamping time, completing the locking and loosening within 2 seconds each time, having high speed and high efficiency, greatly improving the stability of the clamping through the second driving device, improving the concentricity of the test workpiece, the central shaft and the locking pull rod through the taper bearing, further ensuring the concentricity through the plane bearing, and playing the role of unloading, the condition that the central shaft does not rotate is avoided, the concentricity of the clamped workpiece can be greatly improved under the combined action of the taper bearing and the plane bearing, the concentricity of the tested workpiece, the central shaft and the locking pull rod can reach 0.01, and the processing quality of the workpiece is greatly improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A chamfering device is characterized by comprising a hollow cylindrical shell, a central shaft, a locking pull rod, a taper bearing, a plane bearing, a connector, a first driving device and a second driving device, wherein a first end cover and a second end cover are respectively arranged at two ends of the hollow cylindrical shell, the central shaft is arranged in the hollow cylindrical shell, two ends of the central shaft respectively extend out of the first end cover and the second end cover, the locking pull rod is sleeved in the central shaft, the length of the locking pull rod is larger than that of the central shaft, one end of the locking pull rod is used for clamping a workpiece, the other end of the locking pull rod is detachably connected with one end of the connector, a pin is arranged at one end of the central shaft far away from the connector, a pin groove matched with the pin is arranged at one end of the locking pull rod far away from the connector, and the taper bearing is respectively arranged at the left end and the right end of the central shaft, which are positioned in the hollow cylindrical shell, the locking device comprises a locking pull rod, a central shaft, a first driving device, a second driving device, a planar bearing, a taper bearing and a second end cover, wherein the central shaft is close to one end of the connector, the planar bearing is located between the taper bearing and the second end cover, the first driving device is connected with the central shaft and used for driving the central shaft to rotate, and the second driving device is connected with one end, far away from the locking pull rod, of the connector and used for driving the connector to move in the linear direction of the first end cover and the second end cover.

2. The chamfering device according to claim 1, wherein the first driving device includes a motor, a driving gear, a driven gear, a gear belt and a mounting bracket, a transmission shaft of the motor is connected with the driving gear, the driven gear is rotatably connected with the mounting bracket, the driving gear is connected with the driven gear through the gear belt, the driven gear is connected with the central shaft, and one end of the locking pull rod penetrates through the mounting bracket to be connected with the connector.

3. The chamfering apparatus according to claim 1, wherein the second driving means includes a cylinder having a piston rod connected with the connector and a controller electrically connected with the cylinder.

4. The chamfering apparatus according to claim 3, wherein the connector is a rectangular ring, the connector comprising a first connecting rod, a second connecting rod, a third connecting rod, and a fourth connecting rod, the first connecting rod, the second connecting rod, the third connecting rod, and the fourth connecting rod ending in sequence to form a rectangular ring.

5. The chamfering device according to claim 4, wherein an external thread is provided at one end of the locking pull rod close to the connector, a first through hole matched with the locking pull rod is provided at the middle part of the first connecting rod, and the locking pull rod passes through the first through hole and is provided with a locking screw.

6. The chamfering device according to claim 4, wherein the third connecting rod is provided with an adjusting screw and an adjustable screw rod matched with the adjusting screw, the third connecting rod is provided with a second through hole matched with the adjustable screw rod, one end of the adjustable screw rod is connected with the piston rod of the cylinder, and the other end of the adjustable screw rod is connected with the adjusting screw and penetrates through the second through hole.

7. The chamfering device according to claim 1, wherein a lock for clamping a workpiece is disposed at one end of the locking pull rod, the lock is in a horn shape, the center of the end surface of the lock extends towards the bottom of the lock to form an accommodating space for accommodating the workpiece to be machined, a plurality of grooves are distributed on the side wall of the lock along the axial direction of the lock, and the side wall of the lock is divided into a plurality of petal shapes by the plurality of grooves, so that the lock can contract or expand along the radial direction to clamp the workpiece to be machined.

8. The chamfer device of claim 1, wherein a backing ring is disposed between the first end cap and the taper bearing.

9. The chamfering apparatus according to claim 1, wherein the first end cap is further provided with a sealing ring.