JP5272087B1 - Connecting block device - Google Patents

Abstract

A connection block device is provided.
In a connecting block device, a connecting device is combined with each tool holder, the connecting device includes a connecting block, and an end surface of the connecting block is provided with a stepped hole in an axial direction. The outer peripheral wall at the position of the stair hole is provided with a toothed portion, a fixing bolt is installed in the stair hole of the connecting block, and the feature is that a fixing sleeve is screwed into the stair hole. A second inner hexagonal hole having a female screw is provided at the center, and the connecting block can be easily taken out from the rotary tool turret by combining a detachable tool into the second inner hexagonal hole of the fixing sleeve.
[Selection] Figure 2

Description

  The present invention relates to a connecting device, and more particularly to a connecting block device that is used in a deep hole and can be easily attached and detached.

  In general, the rotary tool turret (10) includes a plurality of first mounting holes (12), as shown in FIGS. 8 to 10, so that the rotary tool can be replaced quickly. A tool holder (11) having an engagement tooth portion (111) is attached to one attachment hole (12), and corresponds to each first attachment hole (12) on the outer peripheral edge of the rotary tool turret (10). A second mounting hole (13) communicating with the first mounting hole (12) is obliquely provided at a position, and a screw hole (131) is provided at an inner bottom portion of the second mounting hole (13). (2) A connecting block (14) having an engaging tooth portion (141) is provided in the mounting hole (13), and a fixing bolt (15) is combined with a step hole (142) of the connecting block (14) to fix the connecting block (14). Bolt (15) is second mounting hole (13) By being screwed into the screw hole (131), the engaging tooth portion (141) of the connecting block (14) is brought into close engagement with the engaging tooth portion (111) of the tool holder (11), thereby A tool holder (11) is mounted in the first mounting hole (12) of the rotating tool turret (10) to prevent its escape, and close to the open end in the step hole (142) of the connecting block (14). A C-shaped snap ring (143) is provided, and the C-shaped snap ring (143) prevents the fixing bolt (15) from being detached from the step hole (142) of the connecting block (14).

  When the known connecting block (14) is to be withdrawn or replaced, the fixing bolt (15) must first be withdrawn from the screw hole (131) of the second mounting hole (13). As a result, the fixing bolt (15) pushes the C-shaped snap ring (143) of the step hole (142) to retract the entire connecting block (14) toward the opening of the second mounting hole (13), and the connecting block The engaging tooth part (141) of (14) is separated from the engaging tooth part (111) of the tool holder (11), thereby achieving the purpose of exchanging the tool holder (11).

  In the above prior art, when it is desired to replace the connecting block (14), as shown in FIG. 9, there is a distance between the connecting block (14) and the outlet of the second mounting hole (13). It is difficult to take out the direct connection block (14) from the second mounting hole (13).

  The problem to be solved by the present invention is how to make it possible to easily remove the connecting blocks from each other and from the relatively deep second mounting hole.

  In order to overcome the above-mentioned drawbacks, the main object of the present invention is to screw a fixing sleeve into the stepped hole of the connecting block, and to provide a thread on both the inside and outside of the fixing sleeve, and to attach and detach the tool to the fixing sleeve. By screwing in, the connecting block can be easily connected and removed from the deep hole.

  In order to achieve the above object, a connecting block device of the present invention includes a connecting block, and the connecting block is provided with a stair hole that is eccentric and parallel to the axial center in the axial direction on the end face, A large-diameter portion and a small-diameter portion are provided, a flat portion is provided at a connection portion between the large-diameter portion and the small-diameter portion, and the head is flattened after a fixing bolt having a head and a screw portion is passed through the step hole. The fixing bolt has a threaded portion projecting out of the staircase hole, and a slope is provided on the outer peripheral wall of the connecting block at a position approaching the threaded portion, and an engaging tooth portion is provided on the sloped surface. Separately, a first inner hexagon hole is provided on the head end surface of the fixing bolt, and a hexagon wrench can be inserted into the first inner hexagon hole to turn the fixing bolt.

  A feature of the present invention is that a first female screw is provided in a large diameter portion of the stair hole of the connection block, and a fixing sleeve is screwed into the large diameter portion, and the fixing sleeve has a headless screw shape. And a male screw is provided on the outer periphery, and the male screw of the fixing sleeve and the first female screw of the large-diameter portion are screwed together, whereby the fixing sleeve is screwed to the large-diameter portion, thereby fixing the fixing screw. The bolt is prevented from detaching from the large-diameter portion, and a second inner hexagonal hole is provided in the shaft center of the fixing sleeve, the second inner hexagonal hole is formed as a through hole, and a second female screw is provided. And the opposite side distance of the second inner hexagon hole in the fixing sleeve must be greater than the diagonal distance of the first inner hexagon hole provided at the head of the fixing bolt.

  In the present invention, a fixing sleeve is screwed into a stepped hole of a connecting block, a male screw is provided on the outer peripheral edge of the fixing sleeve, and a second inner hexagonal hole having a second female screw is provided at the center of the fixing sleeve. The connecting block can be easily taken out from the relatively deep second mounting hole of the rotary tool turret by providing and attaching the detachable tool to the second female screw of the fixing sleeve.

It is a three-dimensional combination diagram of the present invention. It is a three-dimensional exploded view of the present invention. It is sectional drawing of this invention. It is the three-dimensional display figure which applied this invention to the rotary tool turret. It is a partial plane sectional view which applied this invention to the rotary tool turret. It is an operation | movement display figure which loosens the connection block of this invention and retreats. It is a picking-up operation display figure of the connection block of this invention. It is a combined display figure of the rotary tool turret and tool holder of the present invention. It is an operation | movement display figure in the rotary tool turret of a well-known connection block. It is a well-known connection block taking-out operation display diagram.

  In order to describe in detail the technical contents, structural features, and objects to be achieved of the present invention, examples will be described below in combination with the drawings.

  As shown in FIGS. 1 to 7, the rotary tool turret (10) includes a plurality of first mounting holes (12), and each first mounting hole (12) includes an engaging tooth portion (111). A second attachment that is attached to the tool holder (11) and communicates with the first attachment hole (12) at a position corresponding to the first attachment hole (12) on the outer peripheral edge of the rotary tool turret (10). The hole (13) is recessed obliquely.

  The connecting block (20) mounted in the second mounting hole (13) of the rotary tool turret (10) is provided with a stair hole that is eccentric and parallel to the axial center in the axial direction on the end face. A large-diameter portion (21) and a small-diameter portion (22) are provided, and a flat portion (221) is provided at a connecting portion between the large-diameter portion (21) and the small-diameter portion (22), and the head ( 31), the large-diameter portion (21) is used to receive the head (31) of the fixing bolt (30), and the small-diameter portion (22) is that of the fixing bolt (30). The screw part (32) extended from the head (31) in the axial direction is accommodated and turned, and the connecting block (20) has a slope on the outer peripheral surface at a position corresponding to the small diameter part (22). Is installed, and the engaging tooth portion (24) is provided on the slope, and the screw portion (32) of the fixing bolt (30) It is exposed from one end of the small-diameter portion (22) of the connecting block (20), and the head (31) of the fixing bolt (30) is limited to the flat portion (221), and the head of the fixing bolt (30) ( A first inner hexagonal hole (311) is provided on the end face of 31), and is used for inserting and turning the hexagonal wrench (70).

  A first female screw (211) is provided in the large-diameter portion (21) of the stair hole, and a fixing sleeve (40) is screwed into the large-diameter portion (21), and the fixing sleeve (40) A male screw (41) is provided on the outer periphery of the headless screw, and the male screw (41) of the fixing sleeve (40) and the first female screw (211) of the large diameter portion (21) are screwed together. Thus, the fixing sleeve (40) is fixed in the first female screw (211), and the fixing bolt (30) is prevented from being detached from the large diameter portion (21). A second inner hexagonal hole (43) is provided in the axial center of the fixed sleeve (40), the second inner hexagonal hole (43) is formed in a through hole shape, and a hexagonal wrench (not shown) is passed through. The second internal hexagon hole (43) is provided with a second internal thread (42), and the second internal hexagon of the fixing sleeve (40) is provided to turn the fixing bolt (30). The opposite side distance of the hole (43) must be larger than the diagonal distance of the first inner hexagonal hole (311) in the head (31) of the fixing bolt (30).

  Next, please refer to FIGS. 1 to 4 and FIGS. 5 to 7 together. First, the fixing bolt (30) is placed in the stair hole, and the screw portion (32) of the fixing bolt (30) is inserted from one end of the connecting block (20). The fixing sleeve (40) can be exposed and screwed into the large diameter portion (21) to prevent the fixing bolt (30) from being detached from the large diameter portion (21).

  Further, the connecting block (20) is inserted into the second mounting hole (13) of the rotary tool turret (10), and the hexagon wrench (70) is passed through the fixing sleeve (40), and the fixing bolt (30) is inserted into the second fixing hole (13). 1 The hexagonal hole (311) is inserted into the inner hexagonal hole (311) and the fixing bolt (30) is tightened. Thereby firmly fixing the tool holder (11) in the first mounting hole (12) of the rotary tool turret (10).

  Finally, another hexagon wrench (not shown) is inserted into the second inner hexagon hole (43) of the fixing sleeve (40) and turned to fix the fixing sleeve (40) in the large diameter portion (21). At the same time, the fixing bolt (30) is prevented from being detached from the large diameter portion (21).

  When loosening or removing the connecting block (20), as shown in FIG. 6, firstly, a hexagon wrench (70) is inserted into the first inner hexagon hole (311) of the fixing bolt (30) and turned. The bolt (30) is loosened and the fixing sleeve (40) is pushed by the head (31) of the fixing bolt (30), and the engaging teeth (24) of the connecting block (20) and the engaging teeth of the tool holder (11) The parts (111) are separated from each other. When the connecting block (20) is taken out, the process of removing the screw part (32) of the general fixing bolt (30) from the screw hole (131) is as follows: At the same time, it is insufficient to push the connecting block (20) out of the second mounting hole (13), so it is difficult for the operator to simply take out the connecting block (20) from the second mounting hole (13). In the structure of the present invention, in order to overcome this problem, the detachable tool (60) having the male screw (61) is first screwed into the second female screw (42) of the fixing sleeve (40) (see FIG. 7), the connecting block (20) can be easily taken out from the deep position of the second mounting hole (13).

  The above description is only an example of the present invention, and does not limit the scope of the present invention. Any equivalent changes and modifications that can be made based on the scope of the claims of the present invention are all described in the present invention. Shall belong to the scope covered by the rights.

DESCRIPTION OF SYMBOLS 10 Rotating tool turret 111 Engagement tooth part 11 Tool holder 12 1st attachment hole 13 2nd attachment hole 131 Screw hole 14 Connection block 141 Engagement tooth part 142 Stair hole 143 C-shaped snap ring 15 Fixing bolt 20 Connection block 21 Large diameter Part 211 First female screw 22 Small diameter part 221 Flat part 24 Engaging tooth part 30 Fixing bolt 31 Head 311 First inner hexagon hole 32 Screw part 40 Fixing sleeve 41 Male screw 42 Second female screw 43 Second inner hexagon hole 61 Male Screw 60 Removable tool 70 Hexagon wrench

Claims (3)

A connecting block device,
Provided for mounting in a rotating tool turret, a staircase hole is provided at the axial end face of the connecting block that is eccentric and parallel to the axis, the stairhole having a large diameter portion and a small diameter portion, and The connecting block, wherein a slope is provided at a position of an outer peripheral edge corresponding to the small diameter portion of the connecting block, and an engaging tooth portion is provided on the slope;
A fixing bolt inserted into the stair hole of the connecting block and having a head and a screw portion;
In the above connecting block device comprising
A first female screw is provided in the large-diameter portion of the staircase hole, a fixing sleeve is screwed into the large-diameter portion, and a male screw is provided on the outer peripheral edge of the fixing sleeve. The fixing sleeve is fixed in the large-diameter portion by screwing the screw with the first female screw of the large-diameter portion, and a second internal screw having a second female screw at the shaft center of the fixing sleeve. A hexagonal hole is provided, the second inner hexagonal hole has a through-hole shape, and the opposite side distance of the second inner hexagonal hole in the fixing sleeve is equal to that of the first inner hexagonal hole provided at the head of the fixing bolt. A connecting block device characterized by being larger than the diagonal distance.   The connecting block device according to claim 1, wherein the fixing sleeve has a headless screw shape.   The connecting block device according to claim 1, wherein a flat portion is provided at a connection portion between the large diameter portion and the small diameter portion of the stair hole, the head of the fixing bolt is brought into contact, and the fixed portion is fixed to the large diameter portion. The connecting block device is characterized in that a head of a bolt is accommodated and a screw portion of the fixing bolt is passed through the small diameter portion.

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