CN215880028U

CN215880028U - Multi-size step hole machining tool

Info

Publication number: CN215880028U
Application number: CN202122509679.5U
Authority: CN
Inventors: 范金波; 王常喜; 索飞; 廖愿愿
Original assignee: Jinzhou Dafang Intelligent Technology Co ltd
Current assignee: Jinzhou Dafang Intelligent Technology Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-02-22
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to the technical field of drilling tools, and discloses a multi-size step hole machining tool which comprises a tool handle, a tool bit and a connecting table, wherein the tool bit comprises a first cutting part and a second cutting part, the first cutting part and the second cutting part are fixedly connected to the tool handle through the connecting table, a sliding groove is formed in the connecting table, the first cutting part comprises a first sliding handle and a first tool bar, the second cutting part comprises a second sliding handle and a second tool bar, and the first sliding handle and the second sliding handle are detachably connected in the sliding groove in a sliding mode. The utility model has the following advantages and effects: by adopting the method that the first cutting part and the second cutting part are connected on the connecting table in a sliding manner, the machining of step-shaped drill holes with different apertures can be met by adjusting the distance between the first cutting part and the second cutting part, and the method has the advantages of wide application range and high machining precision.

Description

Multi-size step hole machining tool

Technical Field

The utility model relates to the technical field of drilling cutters, in particular to a multi-size step hole machining cutter.

Background

The rotating bracket is one of important parts in an automobile steering axle, and can enable an automobile to stably run and sensitively transmit the running direction. The rotating bracket is used for transmitting and bearing the front load of the automobile, supporting and driving the front wheel to rotate around the main pin so as to steer the automobile. In the driving state of the automobile, it bears variable impact load, therefore, it is required to have high strength, while a large-sized rotating bracket is often used on a special vehicle, when the rotating bracket is processed, a plurality of cutters are often required to be matched for use, for a hole with a step shape, a plurality of times of drilling are often required, and the cutters are required to be replaced, and the drilling is carried out by the cutters with different diameters.

The utility model discloses a chinese utility model patent that grant publication number is CN211102675U discloses a compound tool at integral processing step blind hole pore wall and hole bottom, this cutter can a clamping accomplish the finish machining of step blind hole, the machining precision is high, can make things convenient for compound tool's installation and dismantlement simultaneously, this cutter although can process the drilling of step type, but the device's application scope limitation is great, only can process to the drilling of single size, and can not adjust the working distance of cutter head, drilling machining dimension and working range are little, and at the drilling process of processing step type, often need adopt the process of heavy boring again of elder generation, the course of working is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-size step hole machining tool which has the effects of wide application range, one-step machining forming and high machining efficiency.

The technical purpose of the utility model is realized by the following technical scheme: a multi-size step hole machining tool comprises a tool handle, a tool bit and a connecting table, wherein the tool bit comprises a first cutting part and a second cutting part, the first cutting part and the second cutting part are fixedly connected to the tool handle through the connecting table, a sliding groove is formed in the connecting table, the first cutting part comprises a first sliding handle and a first tool bar, the second cutting part comprises a second sliding handle and a second tool bar, the first sliding handle and the second sliding handle are detachably connected in the sliding groove in a sliding mode, the first tool bar is vertically and fixedly connected to one end, away from the second tool bar, of the first sliding handle, the second tool bar is vertically and fixedly connected to one end, away from the first tool bar, of the second sliding handle, a plurality of steps are arranged on the outer sides of the first tool bar and the second tool bar, and the first tool bar and the second tool bar are the same in step shape at the same horizontal height, the step is internally and fixedly connected with a cutting edge, and the cutting edge protrudes out of the outer side walls of the first cutter bar and the second cutter bar.

Through adopting above-mentioned technical scheme, can adjust the distance between first cutting portion and the second cutting portion, can realize the processing of the drilling of the step type of equidimension not, and still be provided with a plurality of steps on the cutter arbor, still the fixed tool bit that is provided with in the step, this mode can carry out the trompil through the cutter head that adopts the minor diameter earlier, then the distance increase between the relative tool bit that sets up on the cutter arbor, can process into great drilling, this mode need not the process of heavy boring earlier then the fine boring, can be to step type drilling one shot forming, application scope is wide, the machining precision is high, and great improvement processing drilling efficiency.

The utility model is further provided with: the steps comprise a first step, a second step and a third step, and the cross sections of the first step, the second step and the third step are gradually increased in width.

Through adopting above-mentioned technical scheme, the distance between the cutting edge on two relative first steps is less, and the aperture of drilling is less, carries out the trompil through the tool bit that adopts the cutter of minor diameter earlier, then the distance increase between the tool bit of relative setting on the cutter arbor can be processed into great drilling, and this mode need not to adopt the process of heavy boring again the fine boring earlier, just can be to step type drilling one shot forming.

The utility model is further provided with: one side of the connecting table, which is close to the tool bit, is provided with a threaded hole, the first sliding handle and the second sliding handle are provided with a strip-shaped hole, and the threaded hole and the strip-shaped hole are internally threaded with a screw rod.

Through adopting above-mentioned technical scheme, adjust the distance between first cutting portion and the second cutting portion, then pass the bar hole through the screw rod again and fix first cutting portion and second cutting portion on connecting the platform, can also adjust the distance between first cutting portion and the second cutting portion when realizing dismantling the connection, be applicable to the processing of the step type drilling of equidimension not.

The utility model is further provided with: the side surface of the connecting table is provided with a graduated scale, and the tool bit is provided with graduation lines.

Through adopting above-mentioned technical scheme, can confirm the distance between first cutting portion and the second cutting portion through the scale, improve the machining precision.

The utility model is further provided with: the connecting table is connected with the knife handle through a screw, and an inward concave groove is formed in the side wall, located at the position of the screw, of the knife handle.

By adopting the technical scheme, in the dismounting process, the screw is not installed in enough space in the screw fixing process, so that the groove is formed in the side surface of the cutter handle of the device, and the screw is convenient to install and dismount.

The utility model has the beneficial effects that:

1. the utility model is different from the mode of single-cutter-head processing, adopts the method that the first cutting part and the second cutting part are connected on the connecting table in a sliding way, and can meet the processing requirements of step-type drilling holes with different apertures by adjusting the distance between the first cutting part and the second cutting part, and has wide application range and high processing precision.

2. According to the utility model, the widths of the cross sections of the first step, the second step and the third step on the cutter head are gradually increased, the distance between the cutting edges on the two first steps is smaller, the aperture of the drilled hole is smaller, and then the cutting edges on the second cutter bar and the third cutter bar which are relatively arranged at a larger distance are adopted for subsequent processing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

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

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic diagram of the explosive structure of the tool bit of the present invention.

In the figure, 1, a knife handle; 2. a connecting table; 21. a chute; 22. a threaded hole; 3. a cutter head; 4. a first cutting portion; 41. a first sliding handle; 42. a first cutter bar; 5. a second cutting portion; 51. a second sliding handle; 52. a second cutter bar; 61. a first step; 62. a second step; 63. a third step; 7. a blade; 8. a strip-shaped hole; 81. a screw; 9. a groove; 91 screws.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

In an embodiment, as shown in fig. 1, the multi-size step hole machining tool comprises a tool shank 1, a tool bit 3 and a connecting table 2, wherein a graduated scale is marked on the side surface of the connecting table 2, graduated lines are marked on the tool bit 3, the distance between a first cutting part 4 and a second cutting part 5 is determined through the graduated scale, and machining precision is improved. Tool bit 3 includes first cutting portion 4 and second cutting portion 5, and first cutting portion 4, second cutting portion 5 are through connecting 2 fixed connection on handle of a knife 1 on the platform, connect and have seted up spout 21 on the platform 2, and first cutting portion 4, the connection can be dismantled in spout 21 to second cutting portion 5 to, can adjust first cutting portion 4, the distance between the second cutting portion 5, make it be close to each other and keep away from, thereby satisfy the processing of different aperture step type drilling.

As shown in fig. 3, the connection table 2 is connected with the tool holder 1 through a screw 91, the side wall of the tool holder 1 at the position of the screw 91 is provided with an inward concave groove 9, when the tool holder is disassembled and assembled, the screw 91 is not installed in a sufficient space in the fixing process by the screw 91, and therefore, the groove 9 is formed in the side surface of the tool holder 1 of the device, so that the screw 91 can be conveniently assembled and disassembled.

As shown in fig. 1, 2 and 3, the first cutting portion 4 includes a first sliding handle 41 and a first cutter bar 42, the second cutting portion 5 includes a second sliding handle 51 and a second cutter bar 52, the first cutter bar 42 is vertically and fixedly connected to one end of the first sliding handle 41 far away from the second cutter bar 52, the second cutter bar 52 is vertically and fixedly connected to one end of the second sliding handle 51 far away from the first cutter bar 42, a strip-shaped hole 8 is formed on the first sliding handle 41 and the second sliding handle 51, a threaded hole 22 is formed on one side of the connecting platform 2 close to the cutter head 3, the distance between the first cutting portion 4 and the second cutting portion 5 is adjusted, then a screw 81 passes through the strip-shaped hole 8 to be in threaded connection with the threaded hole 22 on the connecting platform 2, so that the first cutting portion 4 and the second cutting portion 5 are fixed on the connecting platform 2, the detachable connection of the cutter head 3 is realized, and the distance between the first cutting portion 4 and the second cutting portion 5 can also be adjusted, the method is suitable for machining step type drill holes with different sizes.

As shown in fig. 1, 2 and 3, a first step 61, a second step 62 and a third step 63 are arranged outside the first tool bar 42 and the second tool bar 52, the first step 61, the second step 62 and the third step 63 on the first tool bar 42 are respectively located at the same level as the first step 61, the second step 62 and the third step 63 on the second tool bar 52, the first step 61 is located at the end of the first tool bar 42 and the second tool bar 52, the third step 63 is located at the bottom of the first tool bar 42 and the second tool bar 52, the second step 62 is located between the first step 61 and the second step 62 on the first tool bar 42 and the second tool bar 52, a cutting edge 7 is fixedly connected to each of the first step 61, the second step 62 and the third step 63, the cutting edge 7 protrudes out of the outer side walls of the first tool bar 42 and the second tool bar 52, so that the cutting edge 7 can machine and drill a hole, and the first step 61, the second step 62 and the third step 63 on the cutting edge 3 are respectively located at the outside of the second tool bar 42 and the second tool bar 52, The widths of the cross sections of the second step 62 and the third step 63 are gradually increased, the distance between the cutting edges 7 on the two first steps 61 is relatively small, the hole diameter of the drilled hole is small, and then the cutting edges 7 on the second cutter bar 52 and the third cutter bar are oppositely arranged at a large distance for subsequent processing.

The working principle of the multi-size step hole machining tool is as follows: the distance between the first cutting part 4 and the second cutting part 5 is adjusted to be the same as the aperture of a step hole to be machined and formed, then the screw 81 penetrates through the strip-shaped hole 8 to be in threaded connection with the threaded hole 22 on the connecting platform 2, so that the first cutting part 4 and the second cutting part 5 are fixed on the connecting platform 2, in the drilling process, the widths of the cross sections of the first step 61, the second step 62 and the third step 63 on the middle cutter head 3 are gradually increased, the distance between the cutting edges 7 on the two first steps 61 is smaller, the aperture of the drilled hole is smaller, and then the cutting edges 7 which are relatively arranged on the second cutter bar 52 and the third cutter bar and have larger distance are adopted to perform subsequent machining.

Claims

1. The utility model provides a many sizes step spot facing work cutter which characterized in that: including handle of a knife (1), tool bit (3) and connection platform (2), tool bit (3) are including first cutting portion (4) and second cutting portion (5), first cutting portion (4), second cutting portion (5) are through connecting platform (2) fixed connection on handle of a knife (1), spout (21) have been seted up on connecting platform (2), first cutting portion (4) are including first sliding handle (41), first cutter arbor (42), second cutting portion (5) are including second sliding handle (51), second cutter arbor (52), sliding connection can be dismantled in spout (21) in first sliding handle (41), first cutter arbor (42) perpendicular fixed connection in first sliding handle (41) keep away from the one end of second cutter arbor (52), second cutter arbor (52) perpendicular fixed connection in the second sliding handle (51) is kept away from the one end of first cutter arbor (42), the outside of first cutter arbor (42), second cutter arbor (52) all is provided with a plurality of steps, the step shape on first cutter arbor (42) and the same level of second cutter arbor (52) is the same, fixedly connected with cutting edge (7) in the step, cutting edge (7) are outstanding the lateral wall of first cutter arbor (42), second cutter arbor (52).

2. The multi-size stepped bore machining tool of claim 1, wherein: the steps comprise a first step (61), a second step (62) and a third step (63), and the widths of the cross sections of the first step (61), the second step (62) and the third step (63) are gradually increased.

3. The multi-size stepped bore machining tool of claim 1, wherein: connect platform (2) to be close to threaded hole (22) have been seted up to one side of tool bit (3), first smooth handle (41) with bar hole (8) have been seted up on second smooth handle (51), threaded hole (22) with bar hole (8) female connection has screw rod (81).

4. The multi-size stepped bore machining tool of claim 1, wherein: the side surface of the connecting table (2) is provided with a graduated scale, and the tool bit (3) is provided with graduation lines.

5. The multi-size stepped bore machining tool of claim 1, wherein: the connecting table (2) is connected with the knife handle (1) through a screw (91), and a concave groove (9) is formed in the side wall, located at the position of the screw (91), of the knife handle (1).