Clamping tool

Abstract

The utility model relates to the technical field of mold manufacturing, and discloses a clamping tool which comprises a placing base, a positioning structure is arranged in the placing base, a mold is arranged at the top end of the positioning structure, the bottom of the mold is movably connected with the top of the placing base, an inverted-L-shaped plate is fixedly installed at the top end of the placing base, and the inverted-L-shaped plate is fixedly connected with the top end of the placing base. A clamping groove is formed in the top end of the containing base, an arc-shaped groove is formed in the inner cavity wall of the clamping groove, an annular groove is formed in the bottom wall of an inner cavity of the arc-shaped groove, and the cross section of the annular groove and the cross section of the clamping groove are concentric circles. Inner cavities of the clamping groove, the arc-shaped groove and the annular groove are movably connected with the positioning structure, a positioning hole is formed in the bottom wall of an inner cavity of the annular groove, an inner cavity of the positioning hole is movably connected with the positioning structure, and the positioning structure comprises a positioning column. According to the utility model, the die can be conveniently fixed, and the operation is simple and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of mold manufacturing, in particular to a clamping tool. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by methods such as injection molding, blow molding, extrusion, die-casting or forging, smelting, stamping, etc. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material.

[0003] In actual use, traditional molds usually use fixed installation holes reserved on the mold, and use threaded connections such as bolts and nuts to keep the mold and the workbench relatively fixed. The above fixing method is complicated to install and operate, so we propose a clamping tool. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a clamping tool, which has the advantages of conveniently fixing the mold and being simple and quick to operate, and solves the problem of complicated installation operation of fixing methods using threaded connections such as bolts and nuts.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of conveniently fixing the mold and simple and quick operation, the utility model provides the following technical solutions: a clamping tool, including a placement seat, a positioning structure is arranged inside the placement seat, a mold is arranged on the top of the positioning structure, the bottom of the mold is movably connected to the top of the placement seat, an inverted L-shaped plate is fixedly installed on the top of the placement seat, and a pressing clamp is arranged on the inverted L-shaped plate to facilitate fixing the mold and simple and quick operation.

[0008] As a preferred technical solution of the utility model, a snap-in groove is provided inside the top end of the placement seat, an inner cavity wall of the snap-in groove is provided with an arc groove, an inner cavity bottom wall of the arc groove is provided with an annular groove, the cross-sections of the annular groove and the snap-in groove are concentric circles, and the inner cavities of the snap-in groove, the arc groove and the annular groove are all movably connected with the positioning structure to facilitate the snap-in installation of the positioning structure.

[0009] As a preferred technical solution of the utility model, a positioning hole is provided on the bottom wall of the inner cavity of the annular groove, and the inner cavity of the positioning hole is movably connected to the positioning structure to facilitate the clamping and installation of the positioning structure.

[0010] As a preferred technical solution of the utility model, the positioning structure includes a positioning column, the outer surface of the positioning column is movably plugged into the inner cavity of the positioning hole, the outer surface of the positioning column is fixedly installed with a connecting rib, and the end of the connecting rib away from the positioning column is fixedly installed with a rotating ring, the rotating ring and the inner cavity of the clamping groove and the annular groove are movably connected, the outer surface of the rotating ring is fixedly installed with an arc-shaped protrusion, and the arc-shaped protrusion is movably connected to the inner cavity of the arc groove and the annular groove, so as to fix the bottom end of the mold.

[0011] As a preferred technical solution of the utility model, a limiting groove is provided inside the inverted L-shaped plate, and the inner cavity of the limiting groove is movably connected to the pressing clamping member to facilitate the installation of the pressing clamping member.

[0012] As a preferred technical solution of the utility model, the pressure clamping part includes a hydraulic push rod, one end of the hydraulic push rod is fixedly connected to the inner top wall of the inverted L-shaped plate, the other end of the hydraulic push rod is fixedly installed with a connecting block, one side of the connecting block is fixedly installed with a limiting rod, the outer surface of the limiting rod is slidably connected to the inner cavity of the limiting groove, and the side of the connecting block away from the limiting rod is fixedly installed with a pressure plate, the bottom of the pressure plate is movably connected to the top of the mold, so as to fix the top of the mold, and the operation is simple and quick.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a clamping tool with the following beneficial effects:

[0015] 1. The clamping tool starts the hydraulic push rod and extends it. At this time, the hydraulic push rod drives the connecting block to move, and the connecting block drives the pressure plate to move and move toward the top of the mold until the pressure plate contacts the top of the mold and fixes the top of the mold by pressure clamping. During this period, the limit rod moves along the inner cavity of the limit groove and plays a role of limit guide, so that the top of the mold can be pressed and clamped conveniently, and the operation is simple and quick.

[0016] 2. The clamping tooling assembles the mold with the positioning structure fixed on the placement seat. At this time, the positioning column is clamped in the inner cavity of the positioning hole, the rotating ring enters the inner cavity of the annular groove through the inner cavity of the clamping groove, and the arc-shaped protrusion enters the inner cavity of the annular groove through the inner cavity of the arc-shaped groove, and then the mold is rotated. At this time, the mold drives the positioning structure to rotate in the inner cavity of the clamping groove with the positioning column as the axis, and the rotating ring drives the arc-shaped protrusion to rotate in the inner cavity of the annular groove until the arc-shaped protrusion is clamped in the inner cavity of the annular groove, and the bottom of the mold is clamped and fixed on the placement seat, so as to facilitate the clamping and fixing of the bottom of the mold, and the operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a main stereoscopic view of the utility model;

[0018] Figure 2 This is an exploded perspective view of the utility model;

[0019] Figure 3 This is a three-dimensional diagram of the connection between the mold and the positioning structure of the utility model;

[0020] Figure 4 This is a three-dimensional diagram of the connection between the inverted L-shaped plate and the pressing clamping member of the utility model.

[0021] In the figure: 1. placement seat; 11. clamping groove; 12. arc groove; 13. annular groove; 14. positioning hole; 2. positioning structure; 21. positioning column; 22. connecting rib; 23. rotating ring; 24. arc-shaped protrusion; 3. mold; 4. inverted L-shaped plate; 41. limiting groove; 5. pressing clamp; 51. hydraulic push rod; 52. connecting block; 53. limiting rod; 54. pressing plate. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] Example 1

[0024] Reference Figure 1-3 , which is the first embodiment of the utility model, provides a clamping tool, including a placement seat 1, a positioning structure 2 is arranged inside the placement seat 1, a mold 3 is arranged on the top of the positioning structure 2, the bottom of the mold 3 is movably connected to the top of the placement seat 1, an inverted L-shaped plate 4 is fixedly installed on the top of the placement seat 1, and a pressing clamp 5 is arranged on the inverted L-shaped plate 4.

[0025] A snap-fit ​​groove 11 is provided inside the top of the placement seat 1, an arc groove 12 is provided on the inner cavity wall of the snap-fit ​​groove 11, an annular groove 13 is provided on the inner cavity bottom wall of the arc groove 12, the cross-section of the annular groove 13 and the snap-fit ​​groove 11 are concentric circles, and the inner cavities of the snap-fit ​​groove 11, the arc groove 12 and the annular groove 13 are all movably connected to the positioning structure 2.

[0026] A positioning hole 14 is formed on the bottom wall of the inner cavity of the annular groove 13 , and the inner cavity of the positioning hole 14 is movably connected to the positioning structure 2 .

[0027] The positioning structure 2 includes a positioning column 21, and the outer surface of the positioning column 21 is movably plugged into the inner cavity of the positioning hole 14. A connecting rib 22 is fixedly installed on the outer surface of the positioning column 21, and a rotating ring 23 is fixedly installed on the end of the connecting rib 22 away from the positioning column 21. The rotating ring 23 is movably connected to the inner cavities of the clamping groove 11 and the annular groove 13. An arc-shaped protrusion 24 is fixedly installed on the outer surface of the rotating ring 23, and the arc-shaped protrusion 24 is movably connected to the inner cavities of the arc groove 12 and the annular groove 13.

[0028] During use, the mold 3 with the positioning structure 2 fixed thereon is assembled onto the placement seat 1. At this time, the positioning column 21 is clamped in the inner cavity of the positioning hole 14, the rotating ring 23 enters the inner cavity of the annular groove 13 through the inner cavity of the clamping groove 11, and the arc-shaped protrusion 24 enters the inner cavity of the annular groove 13 through the inner cavity of the arc-shaped groove 12, and then the mold 3 is rotated. At this time, the mold 3 drives the positioning structure 2 to rotate in the inner cavity of the clamping groove 11 with the positioning column 21 as the axis, and the rotating ring 23 drives the arc-shaped protrusion 24 to rotate in the inner cavity of the annular groove 13 until the arc-shaped protrusion 24 is clamped in the inner cavity of the annular groove 13, and the bottom of the mold 3 is clamped and fixed on the placement seat 1, thereby facilitating the clamping and fixing of the bottom of the mold 3, and the operation is simple and quick.

[0029] Example 2

[0030] Reference Figure 1-4 , which is the second embodiment of the utility model. This embodiment is different from the first embodiment in that a limiting groove 41 is provided inside the inverted L-shaped plate 4, and the inner cavity of the limiting groove 41 is movably connected to the pressing clamp 5.

[0031] The pressing clamp 5 includes a hydraulic push rod 51, one end of which is fixedly connected to the inner top wall of the inverted L-shaped plate 4, and the other end of the hydraulic push rod 51 is fixedly installed with a connecting block 52, one side of the connecting block 52 is fixedly installed with a limiting rod 53, the outer surface of the limiting rod 53 is slidably connected to the inner cavity of the limiting groove 41, and a pressing plate 54 is fixedly installed on the side of the connecting block 52 away from the limiting rod 53, and the bottom of the pressing plate 54 is movably connected to the top of the mold 3.

[0032] During use, the hydraulic push rod 51 fixed on the inner top wall of the inverted L-shaped plate 4 is started and extended. At this time, the hydraulic push rod 51 drives the connecting block 52 fixed at the bottom end of the hydraulic push rod 51 to move, and the connecting block 52 drives the pressure plate 54 to move and move toward the top of the mold 3 until the pressure plate 54 contacts the top of the mold 3 and fixes the top of the mold 3 by pressing and clamping. During this period, the limiting rod 53 fixed on one side of the connecting block 52 moves along the inner cavity of the limiting groove 41 and plays a role of limiting guide, thereby facilitating the pressing and clamping of the top of the mold 3, and the operation is simple and quick.

[0033] The remaining structures are the same as those of Example 1.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A clamping tool, comprising a placement seat (1), characterized in that: A positioning structure (2) is provided inside the placement seat (1), a mold (3) is provided at the top of the positioning structure (2), the bottom of the mold (3) is movably connected to the top of the placement seat (1), an inverted L-shaped plate (4) is fixedly installed at the top of the placement seat (1), and a pressing clamp (5) is provided on the inverted L-shaped plate (4).

2. A clamping tool according to claim 1, characterized in that: A snap-fit ​​groove (11) is provided inside the top end of the placement seat (1), an arc-shaped groove (12) is provided on the inner cavity wall of the snap-fit ​​groove (11), an annular groove (13) is provided on the inner cavity bottom wall of the arc-shaped groove (12), the cross-section of the annular groove (13) and the snap-fit ​​groove (11) are concentric circles, and the inner cavities of the snap-fit ​​groove (11), the arc-shaped groove (12) and the annular groove (13) are all movably connected to the positioning structure (2).

3. A clamping tool according to claim 2, characterized in that: A positioning hole (14) is provided on the bottom wall of the inner cavity of the annular groove (13), and the inner cavity of the positioning hole (14) is movably connected to the positioning structure (2).

4. A clamping tool according to claim 3, characterized in that: The positioning structure (2) comprises a positioning column (21), the outer surface of the positioning column (21) is movably plugged into the inner cavity of the positioning hole (14), the outer surface of the positioning column (21) is fixedly mounted with a connecting rib (22), the end of the connecting rib (22) away from the positioning column (21) is fixedly mounted with a rotating ring (23), the rotating ring (23) is movably connected to the inner cavities of the clamping groove (11) and the annular groove (13), the outer surface of the rotating ring (23) is fixedly mounted with an arc-shaped protrusion (24), the arc-shaped protrusion (24) is movably connected to the inner cavities of the arc-shaped groove (12) and the annular groove (13).

5. The clamping tool according to claim 1, characterized in that: A limiting groove (41) is provided inside the inverted L-shaped plate (4), and an inner cavity of the limiting groove (41) is movably connected to the pressing clamping member (5).

6. A clamping tool according to claim 5, characterized in that: The pressing clamp (5) comprises a hydraulic push rod (51), one end of which is fixedly connected to the inner top wall of the inverted L-shaped plate (4), and the other end of which is fixedly installed with a connecting block (52), one side of which is fixedly installed with a limiting rod (53), the outer surface of which is slidably connected to the inner cavity of the limiting groove (41), and a pressing plate (54) is fixedly installed on the side of the connecting block (52) away from the limiting rod (53), and the bottom of which is movably connected to the top of the mold (3).

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