CN217596921U

CN217596921U - Clamping tool for measuring worm deformation

Info

Publication number: CN217596921U
Application number: CN202221845337.9U
Authority: CN
Inventors: 周青峰; 张富红
Original assignee: Anhui Shenghuabo Auto Electric Co ltd
Current assignee: Anhui Shenghuabo Auto Electric Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-10-18
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a be used for worm to warp measuring centre gripping frock, include: the clamping jaw mechanism is provided with a plurality of clamping jaw blocks, gaps are reserved among the clamping jaw blocks for separation, the outer diameter of a first position of each clamping jaw block is larger than that of a second position, the first position is located on the upper side of the second position, and a through hole is formed in the center of each clamping jaw block and used for accommodating a workpiece to be inserted; the handle mechanism is sleeved outside the jaw mechanism from the lower part; the base, jack catch mechanism and handle mechanism all follow the coaxial and base spiro union in top, and through the height of rotatory adjustment handle mechanism and then extrude a plurality of jack catchs and press from both sides the worm tight. The clamping jaw mechanism and the handle mechanism are in threaded connection on the base, the relative position between the handle mechanism and the clamping jaw mechanism is adjusted by the aid of the threaded structure, the clamping jaw mechanism is extruded through the fastening ring on the handle mechanism, and the clamping jaw mechanism is tightened up to clamp a workpiece on the premise that the surface of the workpiece is not damaged.

Description

Clamping tool for measuring worm deformation

Technical Field

The utility model relates to a motor worm detection area, in particular to be used for worm to warp measuring centre gripping frock.

Background

After the output shaft of the motor and the worm are welded, the rod is usually subjected to a deformation test. The existing test clamping tool (as shown in fig. 1) is composed of a fixed table 1, a worm is inserted from an opening at the top of the fixed table 1, a plurality of fastening holes 2 formed in the side of the fixed table 1 are screwed in fixing screws, and the inside of the tool is locked by applying positive pressure to the worm.

The clamping tool is simple in structure and low in manufacturing cost, and a workpiece (worm) can be deformed in a locking mode of applying positive pressure at multiple points. Data obtained by the deformation test contain the numerical value of the locking screw, which is extruded and deformed on the worm, so that the quality inspection control hidden danger is caused. Meanwhile, different locking force values among a plurality of locking screws can be caused under manual locking, and the deviation of test data is further amplified.

SUMMERY OF THE UTILITY MODEL

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

a centre gripping frock for worm deformation measurement includes:

the clamping jaw mechanism is provided with a plurality of clamping jaw blocks, gaps are reserved among the clamping jaw blocks for separation, the outer diameter of a first position of each clamping jaw block is larger than that of a second position, the first position is located on the upper side of the second position, and a through hole is formed in the center of each clamping jaw block and used for accommodating a workpiece to be inserted;

the handle mechanism is sleeved outside the jaw mechanism from the lower part;

the base, jack catch mechanism with handle mechanism all from the top coaxial with base spiro union (in detail), through the high and then extrusion of rotatory adjustment handle mechanism a plurality of jack catchs will the worm presss from both sides tightly.

In a preferred embodiment of the present invention,

the handle mechanism also comprises a fastening ring arranged at the upper part, and the inner side of the fastening ring is provided with a contact surface;

the first position and the second position are connected through a transition surface;

the clamping ring moves along with the handle mechanism, and the transition surface is extruded through the contact surface to enable the clamping jaw block to tighten and fix the workpiece.

In a preferred embodiment of the present invention, the transition surface and the contact surface are both inclined surfaces.

In a preferred embodiment of the present invention, the spring is fixed

In a preferred embodiment of the present invention, the litigation base is provided with a first fixing shaft and a second fixing shaft, and the first fixing shaft is coaxially arranged outside the second fixing shaft;

the handle mechanism is coupled with the first fixed shaft, and the jaw mechanism is coupled with the second fixed shaft.

In a preferred embodiment of the present invention, the first fixing shaft is provided with an external thread, and the lower portion of the handle mechanism is provided with an internal thread.

In a preferred embodiment of the present invention, the second fixing shaft is provided with an external thread, and the lower portion of the jaw mechanism is provided with an internal thread.

In a preferred embodiment of the present invention, the base is provided with fixing holes at both sides.

In a preferred embodiment of the present invention, the handle mechanism is provided with a lever on a side wall thereof.

The beneficial effects of the utility model reside in that:

the utility model provides a be used for worm to warp measuring centre gripping frock uses the relative position between helicitic texture adjustment handle mechanism and jack catch mechanism with the equal spiro union of jack catch mechanism and handle mechanism on the base, through tight retainer ring extrusion jack catch mechanism on the handle mechanism, realizes tightening up jack catch mechanism and then pressing from both sides tight work piece under the prerequisite that does not harm workpiece surface.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below.

Fig. 1 is a prior art schematic of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic view of the jaw mechanism of the present invention.

Fig. 4 is a cross-sectional view of fig. 3 of the present invention.

Fig. 5 is a schematic structural view of the fastening ring of the present invention.

Fig. 6 is a schematic structural view of the handle mechanism of the present invention.

Fig. 7 is a cross-sectional view of fig. 6 of the present invention.

Fig. 8 is a cross-sectional view of the base of the present invention.

Fig. 9 is a schematic view of the overall structure of the present invention.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and the above description is for the convenience of description of the present invention and is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Exemplary embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood, however, that the present application may be embodied in many different forms and is not limited to the embodiments described below. It is also to be understood that the embodiments disclosed herein can be combined in various ways to provide further additional embodiments. Throughout the drawings, like reference numbers indicate identical or functionally identical elements.

Referring to fig. 2, the clamping tool for worm deformation measurement mainly comprises: a detent mechanism 10, a retaining ring 20, a spring ring 30, a handle mechanism 40, and a base 50.

Referring to fig. 3, the upper portion of the jaw mechanism 10 is provided with 4 jaw blocks 13. The jaw blocks 13 are distributed in 4 parts. Each jaw piece 13 is partitioned by a gap 12, and a through hole 11 is formed in the center of each jaw piece 13, and the workpiece 4 is vertically inserted into the through hole 11 from above. The first position 14 and the second position 16 refer to two opposite positions on the side wall of the jaw block 13, respectively, the first position 14 is located at the upper side of the second position 16, and the outer diameter of the jaw block 13 at the first position 14 is larger than that at the second position 16. A transition surface 15 is disposed between the first position 14 and the second position 16, the transition surface 15 being a ramped surface. At the bottom of the jaw mechanism 10 is provided a jaw mechanism internal thread 17, also provided.

Referring to fig. 4 and 5, the handle mechanism 40 is disposed on the underside of the jaw mechanism 10, and a retaining ring 20 is also disposed between the handle mechanism 40 and the jaw mechanism 10. A first aperture 21 is formed in the centre of the gripping ring 20, the first aperture 21 receiving the second location 16 of the detent mechanism 10 therethrough. The inner side of the first hole 21 is circumferentially provided with a contact surface 22, the contact surface 22 is also an inclined surface, and the fastening ring 20 is in contact interaction with the transition surface 15 through the contact surface 22. The lower portion of the fastening ring 20 is provided with a mounting groove 24 along the circumference of the outer surface thereof, and a spring ring 30 is clamped in the mounting groove 24.

The handle mechanism 40 is provided at the center with a second hole 41, and a ring of fixing bosses 41a are disposed on the inner surface of the second hole 41, and the fixing bosses 41a vertically divide the second hole 41 into a first portion 41b and a second portion 41c. The clamping ring 20 is snapped into the first portion 41b by the spring ring 30, the fastening projection 41a limiting the vertical position of the clamping ring 20. The second portion 41c has a handle mechanism internal thread 43 arranged therein for fixation of the handle mechanism 40 itself. The side wall of the handle mechanism 40 is also provided with an operating rod 42, which is convenient for personnel to rotate and operate the handle mechanism 40.

Referring to fig. 6 in combination, the base 50 is provided at the center thereof with a first fixed shaft 51 and a second fixed shaft 52, respectively, and both sides of the base 50 are provided with fixing holes 53. The first fixed shaft 51 is coaxially disposed outside the second fixed shaft 52, and external threads are disposed on outer surfaces of the first fixed shaft 51 and the second fixed shaft 52.

The handle mechanism 40 is coupled to the external thread of the first stationary shaft 51 through the handle mechanism internal thread 43 at the lower portion thereof, and the jaw mechanism 10 is coupled to the external thread of the second stationary shaft through the first hole 21 and the second hole 41 through the jaw mechanism internal thread 17 at the bottom thereof.

The handle mechanism 40 is rotated by the operation lever 42, so that the handle mechanism 40 is lifted upward. The contact surface 22 is used for pushing the transition surface 15 to enable the jaw blocks 13 to be close centripetally, and the workpiece 4 in the through hole 11 is clamped, so that the workpiece 4 is firmly fixed on the premise of not damaging the surface of the workpiece 4.

As used in this specification, the singular forms "a", "an" and "the" include plural referents unless the content clearly dictates otherwise. The terms "comprising," "including," and "containing" when used in this specification specify the presence of stated features, but do not preclude the presence or addition of one or more other features. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

In the description, when an element is referred to as being "on," "fixed to," "connected to," coupled to, "etc. another element, it can be directly on, fixed to, connected to, coupled to, or contacting the other element, or intervening elements may be present. In the description, one feature is disposed "adjacent" another feature, and may mean that one feature has a portion overlapping with or above or below an adjacent feature.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a first element could be termed a second element without departing from the teachings of the present concepts.

Claims

1. A centre gripping frock for worm deformation measurement, its characterized in that includes:

the handle mechanism is sleeved outside the jaw mechanism from the lower part;

the base, jack catch mechanism with handle mechanism all from the top coaxial with the base spiro union, through the high and then extrusion of rotatory adjustment handle mechanism a plurality of jack catchs will the worm presss from both sides tightly.

2. The clamping tool for worm deformation measurement as claimed in claim 1,

the upper part of the handle mechanism is provided with a fastening ring, and the inner side of the fastening ring is provided with a contact surface;

3. The clamping tool for worm deformation measurement according to claim 2, wherein the transition surface and the contact surface are both inclined surfaces.

4. The clamping tool for measuring the deformation of the worm according to claim 3, wherein the lower portion of the clamping ring is provided with a mounting groove, a spring ring is arranged in the mounting groove, and the outer diameter of the lower portion of the clamping ring is increased through the spring ring so that the clamping ring is clamped in the handle mechanism.

5. The clamping tool for measuring the deformation of the worm according to claim 1 or 2, wherein a first fixing shaft and a second fixing shaft are arranged on the base, and the first fixing shaft is coaxially arranged outside the second fixing shaft;

6. The clamping tool for worm deformation measurement according to claim 5, characterized in that the first fixed shaft is provided with an external thread and the lower part of the handle mechanism is provided with an internal thread.

7. The clamping tool for worm deformation measurement according to claim 5, wherein the second fixing shaft is provided with external threads, and the lower portion of the jaw mechanism is provided with internal threads.

8. The clamping tool for worm deformation measurement according to claim 1, wherein fixing holes are formed in two sides of the base.

9. The clamping tool for worm deformation measurement according to claim 1, characterized in that an operating rod is arranged on the side wall of the handle mechanism.