CN201644827U - Structure of boring tool bit - Google Patents

Abstract

The utility model discloses a structure of a boring tool bit, which comprises a tool post body, an inner ring body, a gasket and a partition board, wherein a sliding seat is arranged in a shaft hole of the tool post body, and an adjusting bolt is in threaded connection to one end of the sliding seat and is provided with a baffle ring and a convex part at the free end; the inner ring body is sleeved on the adjusting bolt between the baffle ring and the sliding seat, and external threads are formed on the circumference of the inner ring body; the gasket is sleeved on the adjusting bolt between the inner ring body and the convex part; the partition board is provided with external threads to be fixedly screwed with internal threads of the shaft hole, a hole is formed on the partition board and enables the penetration of the convex part to hold back the baffle ring, and internal threads are formed in a protruding manner on the partition board toward the inner ring body; and when the partition board locks the inner ring body via the internal threads, the baffle ring and the gasket between the partition board and the inner ring body can be clamped and fixed. The utility model can efficiently and precisely position the adjusting bolt, and the convex part of the adjusting bolt and the relevant matched positions can achieve the accuracy of positioning as required without particular requirements, so that the cost is reduced while the precision is improved.

Description

The Hole boring knife header structure

Technical field

The utility model relates to a kind of Hole boring knife, particularly relates to a kind of Hole boring knife header structure, and it makes the positioning accuracy of adjusting bolt promote, and cost reduces.

Background technology

As shown in Figure 1 and Figure 2, it is the Hole boring knife header structure of commonly using, it lies in the axis hole 13 of a tool rest body 10 and is provided with a sliding seat 11, this sliding seat 11 is provided with the bore a hole blade bearing 12 of blade of an installing in the one end, and sliding seat 11 in the other end then spiral shell establish one and adjust bolt 20, this adjusts bolt 20 and has a baffle ring 21 and a protuberance 22 in free end.One dividing plate 30, this dividing plate 30 is established external screw thread 31 and is got spiral shell admittedly to axis hole 13 internal threads 131, and this dividing plate 30 is provided with perforation and passes through for this protuberance 22, this protuberance 22 by behind the dividing plate 30 a sheathed shell fragment 33, it is affixed that this protuberance 22 supplies the embedding hole 321 of a dial 32 more thereafter.

Only, though the embedding hole 321 of its protuberance 22 and this dial 32 is precision prescribed as far as possible, but the precision of its dividing plate 30 and assembling process still can cause error, so assembling is finished and is still had the sensation of rocking the gap, and make whole accurate control produce discount, and the precision that it requires the embedding hole 321 of protuberance 22 and this dial 32 also can make cost increase, and has the disappearance that cost up does not but have precision improvement.

Be with, at the existing problem of above-mentioned conventional construction, how to develop a kind of innovation structure that has more desirable practicality, the ardent hope of real consumer institute also is that relevant dealer must make great efforts target and the direction that research and development break through.

In view of this, the creator this in manufacturing development and the design experiences of being engaged in Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually this creation of a true tool practicality.

The utility model content

Technical problem to be solved in the utility model provides a kind of Hole boring knife header structure, can improve positioning accuracy.

For solving the problems of the technologies described above, the utility model Hole boring knife header structure comprises:

One tool rest body is provided with a sliding seat in the axis hole of this tool rest body, this sliding seat is provided with the blade bearing of an installing cornish bit sheet in the one end, and sliding seat holds then spiral shell to establish one in other to adjust bolt, and this adjusts bolt and has a baffle ring and a protuberance in free end;

One inner ring body, this inner ring body are placed on the adjustment bolt between baffle ring and sliding seat, and this inner ring body periphery is established external screw thread;

One pad, this pad are sheathed on the adjustment bolt between inner ring body and this protuberance;

One dividing plate, this dividing plate are established external screw thread and are got spiral shell admittedly to axis hole one internal thread, and this dividing plate is provided with a perforation to be passed through for this protuberance, and stop this baffle ring, and this dividing plate is equipped with an internal thread towards inner ring body, when this dividing plate locks this inner ring body with internal thread, is simultaneously can clamping baffle ring and pad between the two.

The utility model Hole boring knife header structure, when this dividing plate locks this inner ring body with internal thread, be simultaneously can clamping baffle ring and pad between the two, and then reach the purpose of this adjustment bolt of effective precision positioning, and it adjusts the precision of the protuberance and the relevant cooperation position of bolt, do not need special requirement can reach the requirement positioning accuracy, cost is reduced and the precision enhancer.

Description of drawings

Fig. 1 is a partial exploded view of commonly using Hole boring knife;

Fig. 2 is a local combination dissected figure of commonly using Hole boring knife;

Fig. 3 is the perspective exploded view of this creation one embodiment;

Fig. 4 is the partial exploded view of this creation;

Fig. 5 is the local combination dissected figure of this creation.

Description of reference numerals among the figure:

10---the tool rest body; 11---sliding seat; 12---blade bearing;

13---axis hole; 131---internal thread; 20---adjust bolt;

21---baffle ring; 22---protuberance; 30---dividing plate;

31---external screw thread; 32---dial; 321---the embedding hole;

33---shell fragment; 40---the tool rest body; 41---axis hole;

411---internal thread; 50---sliding seat; 51---blade bearing;

60---adjust bolt; 61---baffle ring; 62---protuberance;

63---inner ring body; 631---external screw thread; 632---pad;

64---dividing plate; 641---external screw thread; 642---internal thread;

65---dial; 651---the embedding hole.

The specific embodiment

Relevant this creation technology, means and effect thereof of being adopted are lifted after a preferred embodiment and conjunction with figs. be described in more detail in now, believe the above-mentioned purpose of this creation, structure and feature, when can by a deep and concrete understanding.

Consult Fig. 3 to shown in Figure 5, this creation system provides a kind of Hole boring knife header structure, comprising:

One tool rest body 40, be provided with a sliding seat 50 in the axis hole 41 of this tool rest body 40, this sliding seat 50 is provided with the blade bearing 51 of an installing cornish bit sheet in the one end, and sliding seat 50 in the other end then spiral shell establish one and adjust bolt 60,, this adjusts bolt 60 and has a baffle ring 61 and a protuberance 62 in free end;

One inner ring body 63, this inner ring body 63 are placed on the adjustment bolt 60 of 50 of baffle ring 61 and sliding seats, and these inner ring body 63 peripheries are established external screw thread 631;

One pad 632, this pad 632 are sheathed on the adjustment bolt 60 of 62 of inner ring body 63 and this protuberances;

One dividing plate 64, this dividing plate 64 is established external screw thread 641 and is got the solid internal thread 411 to axis hole 41 of spiral shell, this dividing plate 64 is provided with a perforation to be passed through for this protuberance 62, and stop this baffle ring 61, and this dividing plate 64 is equipped with an internal thread 642 towards inner ring body 63, this dividing plate 64 is during with the external screw thread 631 of these inner ring bodies 63 of internal thread 642 locking, be simultaneously can clamping baffle ring 61 and pad 632 between the two, and then reach the purpose of this adjustment bolt 60 of effective precision positioning, and it adjusts the precision of the protuberance 62 and the relevant cooperation position of bolt 60, do not need special requirement can reach the requirement positioning accuracy, cost is reduced and the precision raising.

Above-mentioned this dial 65 is solidly connected to this adjustment bolt 60 to protuberance 62 with embedding hole 651.

Preamble system is specifically described at the preferred embodiment of this creation; Only, be familiar with the personage of this technology when can under spirit that does not break away from this creation and principle, changing and revise to this creation; And these changes with revise, all should be covered by in the protection category that claims define.

Claims (2)

1. a Hole boring knife header structure is characterized in that, is to include:

One tool rest body is provided with a sliding seat in the axis hole of this tool rest body, and sliding seat in an end then spiral shell establish one and adjust bolt, this adjusts bolt and has a baffle ring and a protuberance in free end;

One inner ring body, this inner ring body are placed on the adjustment bolt between baffle ring and sliding seat, and this inner ring body periphery is established external screw thread;

One pad, this pad are sheathed on the adjustment bolt between inner ring body and this protuberance;

One dividing plate, this dividing plate are established external screw thread and are got spiral shell admittedly to axis hole one internal thread, and this dividing plate is provided with a perforation to be passed through for this protuberance, and stop this baffle ring, and this dividing plate is equipped with an internal thread towards inner ring body, when this dividing plate locks this inner ring body with internal thread, is simultaneously can clamping baffle ring and pad between the two.

2. Hole boring knife header structure according to claim 1 is characterized in that, wherein this sliding seat is provided with the blade bearing of an installing cornish bit sheet in a free-ended end.

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