CN219881844U - Clamping mechanism for processing top hammer blank - Google Patents

Clamping mechanism for processing top hammer blank Download PDF

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Publication number
CN219881844U
CN219881844U CN202320769062.3U CN202320769062U CN219881844U CN 219881844 U CN219881844 U CN 219881844U CN 202320769062 U CN202320769062 U CN 202320769062U CN 219881844 U CN219881844 U CN 219881844U
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China
Prior art keywords
top hammer
anchor clamps
groove
elastic sheet
hammer blank
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CN202320769062.3U
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Chinese (zh)
Inventor
杜旭宾
郭伟波
方超群
吴丽萍
朱志华
李爱林
黄椿
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Zhejiang Hengcheng Cemented Carbide Co Ltd
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Zhejiang Hengcheng Cemented Carbide Co Ltd
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Priority to CN202320769062.3U priority Critical patent/CN219881844U/en
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Abstract

The utility model relates to the technical field of top hammer machining, in particular to a clamping mechanism for top hammer blank machining. The utility model provides a clamping machine constructs for processing of top hammer blank, includes anchor clamps one portion and anchor clamps two parts, anchor clamps one portion is equipped with towards anchor clamps two portion side open-ended storage tank, the circumference cell wall department of storage tank has the locating surface the same with top hammer blank inclined plane quantity, and a plurality of locating surfaces use the storage tank axis as the even interval setting of center annular, are at least in the locating surface is close to the part department of anchor clamps two parts and is equipped with first elastic sheet, a plurality of first elastic sheet uses the setting of the even interval of storage tank axis annular as the center. The utility model can improve the stability of the top hammer blank during clamping.

Description

Clamping mechanism for processing top hammer blank
Technical Field
The utility model relates to the technical field of top hammer machining, in particular to a clamping mechanism for top hammer blank machining.
Background
The Chinese patent with the application number of 201410138113.8 discloses a clamping device for processing an outer cone of a hard alloy top hammer, which comprises a left top chuck and a right top plate; four clamping blocks which are circumferentially symmetrical at an angle of 90 degrees are arranged at the right end of the left top clamping head, the inclined surfaces of the clamping blocks are mutually attached to the two-layer tangential surfaces of the top hammer, the left end of the right top plate is provided with an end face attached to the conical bottom surface of the inverted cone of the top hammer, and the left end face of the right top plate is provided with three rubber pads or copper gaskets. In the scheme, the inclined plane of the clamping block is mutually attached to the inclined plane of the top hammer blank, so that the top hammer blank is stably clamped in the clamping block, and the top hammer blank is prevented from being displaced or loosened. However, the top hammer blank is formed by pressing and sintering, the flatness of four inclined planes of the top hammer blank is poor, even if the inclined planes of the four clamping blocks of the left top chuck are mutually attached to the inclined planes of the top hammer blank, the inclined planes of the top hammer blank cannot be fully and tightly contacted with the inclined planes of the four clamping blocks, and if the attaching degree of the inclined planes of the clamping blocks and the inclined planes of the top hammer blank is poor, the top hammer blank is unstable in clamping.
Disclosure of Invention
The utility model aims to provide a clamping mechanism for processing a top hammer blank, which can improve the stability of the top hammer blank during clamping.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a clamping machine constructs for processing of top hammer blank, includes anchor clamps one portion and anchor clamps two parts, anchor clamps one portion and anchor clamps two parts set up relatively, anchor clamps one portion is equipped with towards anchor clamps two part side open-ended storage tank, the width of storage tank is by keeping away from anchor clamps two part sides to being close to anchor clamps two part sides grow gradually, the circumference cell wall department of storage tank has the locating surface the same with top hammer blank inclined plane quantity, and a plurality of locating surfaces use the storage tank axis as the even interval of central annular setting, are in at least the locating surface is close to the part department of anchor clamps two parts is equipped with first elastic sheet, and a plurality of first elastic sheet uses the storage tank axis as the even interval of central annular setting.
When a worker clamps the top hammer blank, the mechanical clamp is used for placing the top hammer blank between the first clamp part and the second clamp part, one end of the top hammer blank is aligned to the first clamp part, the second clamp part is aligned to the other end of the top hammer blank, and then the second clamp part is propped against the top hammer blank, so that the top hammer blank moves to the first clamp part and contacts with the first elastic sheet on the positioning surface, and the self-adaptive deformation of the first elastic sheet is attached to the inclined surface of the top hammer blank, so that the stability of the top hammer blank in clamping is ensured.
By arranging the first elastic piece at least at the part of the positioning surface, which is close to the second part of the clamp, the first elastic piece can be ensured to be in full contact with the inclined surface of the top hammer blank; the top hammer blank is more stable in clamping, and friction force can be increased. Wherein, the first elastic sheet can be made of elastic materials such as copper or rubber.
The device can adapt to the poor condition of the inclined plane flatness of the top hammer blank through the first elastic sheet, so that the inclined plane of the top hammer blank is tightly attached to the first elastic sheet, and the stability of the top hammer blank in clamping is ensured.
Preferably, the positioning surfaces are provided with first grooves, and the first elastic piece part is located in the first grooves.
The first groove has a certain depth, so that the thickness of the first elastic sheet can be increased, the self-adaptability of the first elastic sheet is improved, and adhesive substances such as glue can be added into the first groove, so that the first elastic sheet can be fixed better, the first elastic sheet is partially positioned in the first groove, and the other part of the first elastic sheet protrudes out of the first groove and can be directly contacted with the inclined plane of the top hammer blank.
Preferably, the section of the first elastic piece in the first groove has the same outer edge section as the section of the first groove.
The part of the first elastic sheet located in the first groove can be attached to the groove wall of the first groove, and the first groove plays a role in positioning the first elastic sheet.
Preferably, the first elastic sheet is symmetrically arranged, and the symmetry axis of the first elastic sheet coincides with the center line of the positioning surface.
The first elastic piece can be uniformly contacted with the inclined plane of the top hammer blank, so that the situation that clamping is unstable due to the fact that one side of the inclined plane of the top hammer blank is contacted with the first elastic piece and the other side of the inclined plane of the top hammer blank is not contacted with the first elastic piece is avoided.
Preferably, the end face of the second clamp part, which faces the first clamp part, is provided with a second elastic piece.
The second elastic piece is arranged on the second clamp part, so that the situation that the flatness of the end face of the top hammer blank piece is different can be self-adapted, the end face of the top hammer blank piece is attached to the second elastic piece, and the friction force is increased. Wherein, the second elastic sheet can be made of elastic materials such as copper or rubber.
Preferably, an annular protrusion extends towards the first part of the clamp at the circumferential edge of the second part of the clamp, the annular protrusion surrounds to form a second groove, and the second elastic piece part is positioned in the second groove.
The second groove has a certain depth, so that the thickness of the second elastic sheet can be increased, and the self-adaptability of the second elastic sheet to the end face of the top hammer blank piece is enhanced.
Preferably, the section of the second elastic sheet located in the second groove has the same outer edge section as the section of the second groove, and the section of the second elastic sheet located outside the second groove has a width larger than the width of the second groove.
The section of the outer edge of the second elastic sheet in the second groove is the same as the section of the inner edge of the second groove, so that the second groove can conveniently position the second elastic sheet; the width of the part of the second elastic sheet outside the second groove is larger than that of the second groove, which is beneficial to increasing the contact area with the end face of the top hammer blank piece so as to increase the friction force.
Preferably, the second clamp part comprises a clamping block and a center, the clamping block comprises a wide part and a narrow part from the side close to the first clamp part to the side far from the first clamp part, the wide part and the narrow part are coaxially arranged, and a center hole for aligning with the center is formed in the center position of the narrow part.
The narrow portion is distant from the clamp by one portion with respect to the wide portion because the wide portion needs to be in contact with the end face of the top hammer blank, and the width of the wide portion must be larger than the width of the narrow portion to ensure friction force of the wide portion with the end face of the top hammer blank; the center of the narrow part is provided with a center hole, and the two parts of the clamp are positioned in a center positioning mode.
Preferably, the wide portion is centrosymmetric along a radial cross section of the central axis of the clamping block.
The radial section of the wide part along the central axis of the clamping block is arranged to be centrosymmetric, so that the end face of the top hammer blank piece is uniformly stressed when contacting with the wide part.
The utility model has the advantages of self-adapting to the condition of poor flatness of four inclined planes of the top hammer blank and ensuring the stability of the top hammer blank during clamping.
Drawings
Fig. 1 is a schematic structural view of the device of the present utility model.
Fig. 2 is a schematic structural view of the device of the present utility model when clamping a top hammer blank.
Fig. 3 is a cross-sectional view of the apparatus of the present utility model when clamping a top hammer blank.
Fig. 4 is a schematic view of a portion of a clamp in the apparatus of the present utility model.
Fig. 5 is a schematic structural view of two parts of the clamp in the device of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and specific embodiments.
As shown in fig. 1, 3 and 4, this embodiment discloses a clamping mechanism for processing a blank of a top hammer, which comprises a first clamp part 1 and a second clamp part 2, wherein the first clamp part 1 and the second clamp part 2 are oppositely arranged left and right, a mandrel 13 fixed with a grinding machine 200 is arranged at the left end of the first clamp part 1, a containing groove 14 opening towards the side of the second clamp part 2 is arranged at the first clamp part 1, the second clamp part 2 comprises a clamping block 21 and a center 22, the clamping block 21 is positioned at the left side of the center 22, the center 22 is fixed on a sliding table 300, and the sliding table 300 is in sliding fit on a sliding rail 301.
As shown in fig. 2 and 4, the width of the accommodating groove 14 gradually increases from left to right to form an open structure, four positioning surfaces 11 for clamping the inclined surface of the top hammer blank 100 are arranged at the circumferential groove wall of the accommodating groove 14, the four positioning surfaces 11 are uniformly arranged at intervals in a ring shape with the axis of the accommodating groove 14 as the center, and the four positioning surfaces 11 are all planes and inclined to the central axis of the accommodating groove 14.
The middle part of locating surface 11 all is equipped with first recess 12, and the outside edge of first recess 12 all is close to anchor clamps two portions 2, and four first recesses 12 regard holding groove 14 axis as the even interval setting of center annular, and the shape of first recess 12 is fan-shaped, and locating surface 11 and the inner edge cross-section shape of first recess 12 all are the symmetry setting, and first recess 12 and respective locating surface 11 have same symmetry axle.
As shown in fig. 3 and fig. 4, a part of the first elastic sheet 3 is disposed in the first groove 12, the first elastic sheet 3 includes a first elastic sheet portion 31 and a second elastic sheet portion 32, the first elastic sheet portion 31 is completely located in the first groove 12, and the second elastic sheet portion 32 protrudes out of the first groove 12 and is located on the positioning surface 11. Wherein the material of the first elastic sheet 3 is rubber.
As shown in fig. 3 and 5, the clamping block 21 includes a wide portion 211 and a narrow portion 212 from left to right, the wide portion 211 and the narrow portion 212 are coaxially disposed, and a center hole 221 for aligning with the center 22 is provided at a center position of the narrow portion 212. An annular protrusion 24 extends towards the clamp one part 1 at the circumferential edge of the wide part 211, the annular protrusion 24 surrounds to form a second groove 23, the second elastic sheet 4 is partially positioned in the second groove 23, and the other part of the second elastic sheet 4 towards the clamp one part 1 protrudes out of the second groove 23; the outer edge cross-sectional shape of the portion of the second elastic sheet 4 located in the second groove 23 is circular as the inner edge cross-sectional shape of the second groove 23, and the diameter of the portion of the second elastic sheet 4 located outside the second groove 23 is larger than the diameter of the second groove 23. Wherein the material of the second elastic sheet 4 is rubber.
When the top hammer blank needs to be processed, a worker firstly uses a mechanical clamp to place the top hammer blank between a first clamp part and a second clamp part, the first clamp part is aligned with the left side of the top hammer blank, and the second clamp part is aligned with the right side of the top hammer blank; the center slides leftwards, so that the wide part is propped against the right side of the top hammer blank, the top hammer blank moves to one part of the clamp and contacts with the first elastic sheet on the positioning surface, and the self-adaptive deformation of the first elastic sheet is attached to the inclined surface of the top hammer blank, so that the phenomenon of unstable fixation of the top hammer blank due to unstable angle and planeness of the inclined surface of the top hammer blank is avoided as far as possible; the second elastic piece in the wide part is contacted with the right end surface of the top hammer blank, the second elastic piece is self-adaptively deformed to be attached to the right end surface of the top hammer blank, and the friction force between the second part of the clamp and the top hammer blank is increased.

Claims (9)

1. The utility model provides a top hammer blank adds clamping machine construct for processing, includes anchor clamps one portion and anchor clamps two portions, anchor clamps one portion and anchor clamps two portions set up its characterized in that relatively: the first portion of anchor clamps is equipped with towards anchor clamps two portion side open-ended storage tank, the width of storage tank is by keeping away from anchor clamps two portion sides to be close to anchor clamps two portion sides grow gradually, the circumference cell wall department of storage tank has the locating surface the same with top hammer blank inclined plane quantity, and a plurality of locating surfaces use the storage tank axis as the even interval setting of center annular, are at least in the locating surface is close to the part department of anchor clamps two portions and are equipped with first elastic sheet, a plurality of first elastic sheet uses the storage tank axis as the even interval setting of center annular.
2. The clamping mechanism for processing a top hammer blank according to claim 1, wherein: the positioning surfaces are provided with first grooves, and the first elastic sheet parts are positioned in the first grooves.
3. The clamping mechanism for processing the top hammer blank according to claim 2, wherein: the section of the outer edge of the part of the first elastic sheet in the first groove is the same as the section of the inner edge of the first groove.
4. A clamping mechanism for processing a top hammer blank according to claim 2 or 3, wherein: the first elastic sheets are symmetrically arranged, and the symmetry axis of the first elastic sheets coincides with the center line of the positioning surface.
5. The clamping mechanism for processing a top hammer blank according to claim 1, 2 or 3, wherein: the end face of the second clamp part, which faces the first clamp part, is provided with a second elastic sheet.
6. The clamping mechanism for processing the top hammer blank according to claim 5, wherein: the circumferential edge of the second clamp part extends towards the first clamp part, the annular protrusion surrounds to form a second groove, and the second elastic piece part is positioned in the second groove.
7. The clamping mechanism for processing the top hammer blank according to claim 6, wherein: the section of the outer edge of the part of the second elastic sheet, which is positioned in the second groove, is the same as the section of the inner edge of the second groove, and the width of the part of the second elastic sheet, which is positioned outside the second groove, is larger than the width of the second groove.
8. The clamping mechanism for processing the top hammer blank according to claim 7, wherein: the second clamp part comprises a clamping block and a center, the clamping block comprises a wide part and a narrow part from the side close to the first clamp part to the side far away from the first clamp part, the wide part and the narrow part are coaxially arranged, and a center hole for aligning with the center is formed in the center of the narrow part.
9. The clamping mechanism for processing the top hammer blank according to claim 8, wherein: the wide part is centrosymmetric along the radial section of the central axis of the clamping block.
CN202320769062.3U 2023-04-10 2023-04-10 Clamping mechanism for processing top hammer blank Active CN219881844U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320769062.3U CN219881844U (en) 2023-04-10 2023-04-10 Clamping mechanism for processing top hammer blank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320769062.3U CN219881844U (en) 2023-04-10 2023-04-10 Clamping mechanism for processing top hammer blank

Publications (1)

Publication Number Publication Date
CN219881844U true CN219881844U (en) 2023-10-24

Family

ID=88396133

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320769062.3U Active CN219881844U (en) 2023-04-10 2023-04-10 Clamping mechanism for processing top hammer blank

Country Status (1)

Country Link
CN (1) CN219881844U (en)

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