Inner conical surface measuring device

Abstract

The utility model relates to the technical field of measuring devices, and discloses an inner conical surface measuring device, which comprises a lower seat body, the supporting block is arranged at the top of the lower seat body; the movable rod is arranged on the supporting block; the connecting block is arranged at the bottom of the movable rod; the telescopic mechanism is arranged on the connecting block and the movable rod, the telescopic mechanism comprises a groove, a connecting rod, an abutting plate, a first connecting rope and a second connecting rope, the abutting plate is fixedly connected to one end of the connecting rod, and the groove is formed in the bottom of the connecting block; according to the utility model, a to-be-measured knife handle is inserted into the lower seat body, the pull rod is pulled, the pull rod pulls the two second connecting ropes through the second connecting ropes, the second connecting ropes pull the round sheet, the round sheet pulls the connecting rod, the connecting rod pulls the abutting plate, so that the abutting plate retracts to the connecting block, and then the abutting plate is placed into the knife handle, so that the following measurement is facilitated; the operation is convenient, the abutting plate can be quickly placed at a required position, and the measurement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring devices, in particular to an inner cone surface measuring device. Background Art

[0002] At present, high-speed cutting has become an important part of mechanical manufacturing technology. High-speed cutting requires the tool to be mounted on a tool holder, such as an HSK tool holder, and then the tool holder is mounted on a machine tool. The machine tool drives the tool holder and the tool to rotate at high speed to cut the workpiece. The tool holder has an inner cone and a reference surface. In order to firmly and stably connect the tool holder to the machine tool, the axial distance between the inner cone and the reference surface must be very precise, so a related measuring device is required.

[0003] For example, the Chinese patent publication number is CN212600647U, and the technical solution disclosed in this patent document is as follows: a device for measuring the axial position of the inner conical surface of a tool handle, the tool handle has an inner conical surface and a reference surface, it includes a conical surface abutment, a measuring seat and a measuring gauge with a measuring rod, one end of the conical surface abutment is used to extend into the tool handle and abut against the inner conical surface, and the other end of the conical surface abutment is used to extend out of the tool handle; one end of the measuring seat is used to abut against the reference surface; the measuring gauge is connected to the other end of the measuring seat, and the measuring rod is used to abut against the end of the conical surface abutment extending out of the tool handle.

[0004] The existing technology has the following problems:

[0005] In the prior art, the abutment part needs to be placed inside the tool handle during measurement so that the matching cone of the abutment part fits with the inner cone surface of the tool handle. However, the abutment part is larger than the opening of the tool handle, which makes it inconvenient to place it, affecting the efficiency of measurement. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the deficiencies in the prior art, the utility model provides an inner cone surface measuring device.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inner cone measuring device, comprising a lower seat body; a support block arranged on the top of the lower seat body; a movable rod arranged on the support block; a connecting block arranged at the bottom of the movable rod; and a telescopic mechanism arranged on the connecting block and the movable rod, the telescopic mechanism comprising a groove, a connecting rod, an abutment plate, a connecting rope 1 and a connecting rope 2, the abutment plate is fixedly connected to one end of the connecting rod, the groove is opened at the bottom of the connecting block, and one end of the connecting rope 1 is fixedly connected to one end of the connecting rope 2.

[0010] Preferably, the other end of the connecting rod passes through the outer wall of the connecting block and extends to the inside of the groove, and is fixedly connected with a disc. The connecting rod is movably connected to the connecting block, and the other end of the connecting rope 1 is fixedly connected to one side of the disc. By setting the connecting rope 1, the connecting rod can be pulled through the disc, and the number of abutment plates is two.

[0011] Preferably, a spring 1 is sleeved on the outer wall of the connecting rod, and two ends of the spring 1 are fixedly connected to the inner wall of the groove and the outer wall of the disc respectively, a fixed pulley is fixedly installed inside the groove, and the connecting rope 1 passes through the fixed pulley and is movably connected to the fixed pulley, and the abutment plate can be driven to reset by setting the spring 1, and the tension direction of the connecting rope 1 can be changed by setting the fixed pulley, and the number of the connecting rope 1 and the fixed pulley are both two, and one end of the two connecting ropes 1 is connected to one end of the connecting rope 2 at the same time.

[0012] Preferably, a hole is provided on the top of the connecting block, a movable groove is provided on the bottom of the movable rod, and the movable groove is connected to the hole, the other end of the connecting rope 2 passes through the hole, and penetrates the inner wall of the movable groove to extend to the outside of the movable rod, the connecting rope 2 is movably connected to the movable rod, and the other end is fixedly connected to a pull rod, and the setting of the pull rod facilitates pulling of the connecting rope 2.

[0013] Preferably, the outer wall of the movable rod is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with one end of spring 2, and the other end of spring 2 is fixedly connected to the top of the support block. By setting the connecting plate and spring 2, the movable rod can move up and down.

[0014] Preferably, an upper seat is provided on the top of the support block, and a measuring rod and a measuring table are provided on the upper seat.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an inner cone surface measuring device, which has the following beneficial effects:

[0017] 1. This kind of inner cone measuring device, by inserting the tool handle to be measured into the interior of the lower seat body, pulling the pull rod, the pull rod pulls two connecting ropes 2 through connecting rope 2, the connecting rope 2 pulls the disc, the disc pulls the connecting rod, the connecting rod pulls the abutment plate, so that the abutment plate shrinks toward the connecting block, and then the abutment plate is placed into the interior of the tool handle, thereby facilitating the subsequent measurement, the operation is convenient, the abutment plate can be quickly placed in the required position, and the measurement efficiency is improved.

[0018] 2. This inner cone surface measuring device enables the movable rod to move up and down by setting a connecting plate and a spring. It cooperates with the measuring rod and the measuring table. When measuring, the bottom of the measuring rod is located at the top of the movable rod. After the abutment plate fits the inner cone surface of the tool handle, the qualified rate of the tool handle is measured according to the data on the measuring table. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a cross-sectional view of the utility model;

[0022] Figure 3 It is an enlarged view of A of the present utility model.

[0023] In the figure: 1. lower seat; 2. support block; 3. upper seat; 4. movable rod; 5. connecting block; 6. telescopic mechanism; 601. groove; 602. connecting rod; 603. abutment plate; 604. disc; 605. spring 1; 606. fixed pulley; 607. connecting rope 1; 608. connecting rope 2; 609. movable groove; 610. pull rod; 7. connecting plate; 8. spring 2; 9. measuring rod; 10. measuring table. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1

[0026] like Figure 1-3As shown, the utility model provides an inner cone surface measuring device, including a lower seat body 1; a support block 2 arranged on the top of the lower seat body 1; a movable rod 4 arranged on the support block 2; a connecting block 5 arranged at the bottom of the movable rod 4; and a telescopic mechanism 6 arranged on the connecting block 5 and the movable rod 4, the telescopic mechanism 6 includes a groove 601, a connecting rod 602, an abutment plate 603, a connecting rope 1 607 and a connecting rope 2 608, the abutment plate 603 is fixedly connected to one end of the connecting rod 602, and the groove 601 is provided at At the bottom of the connecting block 5, one end of the connecting rope 1 607 is fixedly connected to one end of the connecting rope 2 608; the other end of the connecting rod 602 penetrates the outer wall of the connecting block 5 and extends to the inside of the groove 601, and is fixedly connected with a disc 604. The connecting rod 602 is movably connected to the connecting block 5, and the other end of the connecting rope 1 607 is fixedly connected to one side of the disc 604. By setting the connecting rope 1 607, the connecting rod 602 can be pulled through the disc 604, and the number of the abutment plates 603 is two; the connecting rod 602 The outer wall is sleeved with a spring 605, and the two ends of the spring 605 are fixedly connected to the inner wall of the groove 601 and the outer wall of the disc 604 respectively. A fixed pulley 606 is fixedly installed inside the groove 601. A connecting rope 607 passes through the fixed pulley 606 and is movably connected to the fixed pulley 606. The spring 605 can be used to drive the abutment plate 603 to reset. The fixed pulley 606 can be used to change the pulling direction of the connecting rope 607. The number of the connecting rope 607 and the fixed pulley 606 are both two. One end of the connecting rope 1 607 is connected to one end of the connecting rope 2 608 at the same time; a hole is provided on the top of the connecting block 5, and a movable groove 609 is provided on the bottom of the movable rod 4, and the movable groove 609 is connected to the hole, and the other end of the connecting rope 2 608 passes through the hole and extends to the outside of the movable rod 4 through the inner wall of the movable groove 609. The connecting rope 2 608 is movably connected to the movable rod 4, and the other end is fixedly connected to a pull rod 610. The setting of the pull rod 610 facilitates pulling the connecting rope 2 608.

[0027] In this embodiment, the tool handle to be measured is inserted into the interior of the lower seat body 1, and the pull rod 610 is pulled. The pull rod 610 pulls the two connecting ropes 608 through the connecting rope 608. The connecting rope 608 pulls the disc 604. The disc 604 pulls the connecting rod 602. The connecting rod 602 pulls the abutment plate 603, so that the abutment plate 603 shrinks toward the connecting block 5, and then the abutment plate 603 is placed in the interior of the tool handle, so as to facilitate the subsequent measurement. The operation is convenient, and the abutment plate 603 can be quickly placed in the required position to improve the measurement efficiency.

[0028] Example 2

[0029] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the outer wall of the movable rod 4 is fixedly connected with a connecting plate 7, the bottom of the connecting plate 7 is fixedly connected with one end of a spring 8, and the other end of the spring 8 is fixedly connected to the top of the support block 2; an upper seat body 3 is provided on the top of the support block 2, and a measuring rod 9 and a measuring gauge 10 are provided on the upper seat body 3. When measuring, the tool handle is poured into the interior of the lower seat body 1, and the bottom of the lower seat body 1 is abutted against the reference surface of the tool handle, and then the support block 2 is placed on the top of the lower seat body 1, so that the cone on the abutment plate 603 fits with the inner cone surface of the tool handle, and the measurement is performed according to the extension and contraction amount of the movable rod 4.

[0030] In this embodiment, the movable rod 4 is able to move up and down by providing a connecting plate 7 and a spring 8, and cooperates with a measuring rod 9 and a measuring scale 10. When measuring, the bottom of the measuring rod 9 is located at the top of the movable rod 4. After the abutment plate 603 fits the inner conical surface of the tool handle, the qualified rate of the tool handle is measured according to the data on the measuring scale 10.

[0031] The working principle of this inner cone surface measuring device is described in detail below.

[0032] like Figure 1-3 As shown, when in use, the handle to be measured is inserted into the lower seat body 1, and the pull rod 610 is pulled. The pull rod 610 pulls the two connecting ropes 608 through the connecting rope 608, and the connecting rope 608 pulls the disc 604. The disc 604 pulls the connecting rod 602, and the connecting rod 602 pulls the abutment plate 603, so that the abutment plate 603 shrinks toward the connecting block 5, and then the abutment plate 603 is placed in the handle, so as to facilitate the subsequent measurement, the operation is convenient, and the abutment plate 603 can be quickly put into the required position, thereby improving the measurement efficiency; the initial position of the pull rod 610 is in contact with the outer wall of the movable rod 4 A cone is provided on the abutment plate 603. After the abutment plate 603 is put into the tool handle, when the cone fits with the inner cone surface of the tool handle, the pull rod 610 is located at the initial position. When the cone does not fit with the inner cone surface of the tool handle, the pull rod 610 is in a loose state, so as to judge whether the abutment plate 603 is placed in the measuring position; by arranging the connecting plate 7 and the spring 8, the movable rod 4 can move up and down, and cooperate with the measuring rod 9 and the measuring table 10, so that the bottom of the measuring rod 9 is located at the top of the movable rod 4 during measurement. After the abutment plate 603 fits with the inner cone surface of the tool handle, the qualified rate of the tool handle is measured according to the data on the measuring table 10.

Claims

1. An internal cone surface measuring device, comprising a lower seat (1); A support block (2) arranged on the top of the lower seat body (1); A movable rod (4) arranged on the supporting block (2); A connecting block (5) arranged at the bottom of the movable rod (4); and a telescopic mechanism (6) arranged on the connecting block (5) and the movable rod (4), characterized in that: The telescopic mechanism (6) comprises a groove (601), a connecting rod (602), an abutment plate (603), a connecting rope 1 (607) and a connecting rope 2 (608); the abutment plate (603) is fixedly connected to one end of the connecting rod (602); the groove (601) is provided at the bottom of the connecting block (5); and one end of the connecting rope 1 (607) is fixedly connected to one end of the connecting rope 2 (608).

2. An inner cone surface measuring device according to claim 1, characterized in that: The other end of the connecting rod (602) passes through the outer wall of the connecting block (5) and extends to the inside of the groove (601), and is fixedly connected to a disc (604). The connecting rod (602) is movably connected to the connecting block (5), and the other end of the connecting rope (607) is fixedly connected to one side of the disc (604).

3. The inner cone surface measuring device according to claim 2, characterized in that: The outer wall of the connecting rod (602) is sleeved with a spring 1 (605), and the two ends of the spring 1 (605) are respectively fixedly connected to the inner wall of the groove (601) and the outer wall of the disc (604), and a fixed pulley (606) is fixedly installed inside the groove (601), and the connecting rope 1 (607) passes through the fixed pulley (606) and is movably connected to the fixed pulley (606).

4. The inner cone surface measuring device according to claim 1, characterized in that: A hole is provided at the top of the connecting block (5), a movable groove (609) is provided at the bottom of the movable rod (4), and the movable groove (609) is connected to the hole. The other end of the second connecting rope (608) passes through the hole and penetrates the inner wall of the movable groove (609) to extend to the outside of the movable rod (4). The second connecting rope (608) is movably connected to the movable rod (4), and the other end is fixedly connected to a pull rod (610).

5. The inner cone surface measuring device according to claim 1, characterized in that: The outer wall of the movable rod (4) is fixedly connected to a connecting plate (7), the bottom of the connecting plate (7) is fixedly connected to one end of a second spring (8), and the other end of the second spring (8) is fixedly connected to the top of the support block (2).

6. The inner cone surface measuring device according to claim 5, characterized in that: An upper seat body (3) is arranged on the top of the support block (2), and a measuring rod (9) and a measuring gauge (10) are arranged on the upper seat body (3).

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