Clamping jig for metal shell

Abstract

The utility model discloses a clamping jig for a metal shell, and relates to the technical field of clamping jigs, the clamping jig for the metal shell comprises a jig base, and the upper end of the jig base is provided with the metal shell; according to the clamping jig for the metal shell, the metal shell is placed at the upper end of a jig base, four sets of positioning columns are used for clamping four sets of positioning grooves in the outer side of the metal shell, the output end of a clamping electric air cylinder is started to drive a clamping block to move downwards till the detection end of a pressure sensor makes contact with a shell bottom plate, and then the metal shell is clamped; pressure data are fed back to an external controller, when the pressure data reach a set value, operation of the output end of the clamping electric air cylinder is stopped, then the metal shell is clamped and fixed, the clamping pressure is adjusted according to the thickness of the shell, the clamping stability of the metal shell is improved, the structure is simple, operation is convenient, large clamping force application is avoided, and the working efficiency is improved. And the metal shell is deformed, so that the clamping efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping fixtures, in particular to a clamping fixture for a metal shell. Background Art

[0002] The metal shell needs to go through multiple processes during the production process, and it needs to be clamped during processing, so a clamping fixture is needed;

[0003] The clamping force of the existing clamping fixture is uncontrollable during use. When the clamping force is large, the shell is easily deformed. When the clamping force is small, the shell clamping is unstable, which makes subsequent processing inconvenient. Therefore, the utility model proposes a clamping fixture for a metal shell. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a clamping fixture for a metal shell, which solves the problems in the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a clamping fixture for a metal shell, comprising a fixture base, a metal shell is arranged at the upper end of the fixture base, a positioning groove, a shell bottom plate and a shell convex column are arranged on the outer side of the metal shell, and a support frame is arranged at the upper end of the fixture base;

[0006] A clamping electric cylinder is installed on the top of the support frame, a clamping block is provided at the output end of the clamping electric cylinder, a slot is opened on one side of the clamping block, a pressure sensor is installed at the bottom of the clamping block, and a base support block and a positioning column are installed at the upper end of the fixture base.

[0007] As a further technical solution of the utility model, the fixture base and the support frame are fixedly connected, the support frame is an inverted "L"-shaped structure, the clamping electric cylinder and the support frame are fixedly connected by bolts, and the clamping electric cylinder and the external controller are electrically connected.

[0008] As a further technical solution of the utility model, the output end of the clamping electric cylinder is fixedly connected to the clamping block, the clamping block is a rectangular structure, the height of the slot is equal to the height of the clamping block, and the slot is an arc-shaped column structure.

[0009] As a further technical solution of the utility model, the pressure sensor is fixedly connected to the clamping block, the pressure sensor is electrically connected to the external controller, and the base support block is fixedly connected to the fixture base.

[0010] As a further technical solution of the utility model, the positioning columns are fixedly connected to the fixture base, the number of the positioning columns is four and distributed in an array, the number of the positioning grooves is equal to the number of the positioning columns, and the positioning columns and the positioning grooves are adapted to each other.

[0011] As a further technical solution of the utility model, the shell bottom plate and the metal shell are an integrated structure, the bottom of the shell bottom plate fits with the top of the base support block, the shell boss and the metal shell are an integrated structure, and the shell boss fits with the inner wall of the slot.

[0012] The utility model provides a clamping fixture for a metal shell. Compared with the prior art, the utility model has the following beneficial effects:

[0013] A clamping fixture for a metal shell. During the clamping process of the metal shell, the user places the metal shell on the upper end of the fixture base, engages four groups of positioning grooves on the outside of the metal shell through four groups of positioning columns, and starts the clamping electric cylinder, so that the output end of the clamping electric cylinder drives the clamping block to move downward. During the downward movement, the clamping groove moves along the outside of the shell convex column until the detection end of the pressure sensor contacts the shell bottom plate, and the pressure data is fed back to an external controller. When the set value is reached, the operation of the output end of the clamping electric cylinder is stopped, and the metal shell is clamped and fixed, so that the clamping pressure is adjusted according to the thickness of the shell, thereby improving the clamping stability of the metal shell. The structure is simple and the operation is convenient, and the metal shell deformation phenomenon caused by large clamping force is avoided, thereby improving its clamping efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a clamping fixture for a metal shell;

[0015] Figure 2 This is a partial exploded view of a clamping fixture for a metal shell;

[0016] Figure 3 Another perspective view of a metal shell in a clamping fixture for a metal shell;

[0017] Figure 4 A top view of a clamping fixture for a metal shell;

[0018] Figure 5 A clamping fixture for a metal shell Figure 4 Partial side section view of AA.

[0019] In the figure: 1. fixture base; 2. metal shell; 3. support frame; 4. clamping electric cylinder; 5. clamping block; 6. slot; 7. pressure sensor; 8. base support block; 9. positioning column; 10. positioning slot; 11. shell bottom plate; 12. shell boss. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution for a clamping fixture of a metal shell: a clamping fixture of a metal shell, comprising a fixture base 1, a metal shell 2 is arranged on the upper end of the fixture base 1, a positioning groove 10, a shell bottom plate 11 and a shell convex column 12 are arranged on the outer side of the metal shell 2, and a support frame 3 is arranged on the upper end of the fixture base 1;

[0022] Among them, a clamping electric cylinder 4 is installed on the top of the support frame 3, a clamping block 5 is provided at the output end of the clamping electric cylinder 4, a slot 6 is opened on one side of the clamping block 5, a pressure sensor 7 is installed at the bottom of the clamping block 5, and a base support block 8 and a positioning column 9 are installed at the upper end of the fixture base 1.

[0023] See also Figure 1-2 , Figure 5 The fixture base 1 is fixedly connected to the support frame 3, the support frame 3 is an inverted "L"-shaped structure, the clamping electric cylinder 4 and the support frame 3 are fixedly connected by bolts, and the clamping electric cylinder 4 and the external controller are electrically connected, which is conducive to the installation and use of the clamping electric cylinder 4.

[0024] See also Figure 2 and Figure 5 The output end of the clamping electric cylinder 4 is fixedly connected to the clamping block 5, the clamping block 5 is a rectangular structure, the height of the slot 6 is equal to the height of the clamping block 5, the slot 6 is an arc-shaped column structure, the pressure sensor 7 is fixedly connected to the clamping block 5, the pressure sensor 7 is electrically connected to the external controller, and the base support block 8 is fixedly connected to the fixture base 1, which is conducive to setting the pressure range value of the pressure sensor 7 through the external controller to clamp the metal shell 2.

[0025] See also Figure 2 The positioning posts 9 are fixedly connected to the fixture base 1 , the number of the positioning posts 9 is four groups and distributed in an array, the number of the positioning grooves 10 is equal to the number of the positioning posts 9 , and the positioning posts 9 are adapted to the positioning grooves 10 , which is conducive to quickly positioning the metal shell 2 .

[0026] See also Figure 2-3The shell bottom plate 11 and the metal shell 2 are an integrated structure, the bottom of the shell bottom plate 11 is in contact with the top of the base support block 8, the shell boss 12 and the metal shell 2 are an integrated structure, and the shell boss 12 is in contact with the inner wall of the slot 6, which is beneficial to auxiliary clamping of the metal shell 2 and improve its stability.

[0027] The working principle of the utility model is as follows: when the metal shell 2 needs to be clamped, the user places the metal shell 2 on the upper end of the fixture base 1, and engages the four groups of positioning grooves 10 on the outside of the metal shell 2 through the four groups of positioning columns 9, so as to make one side of the metal shell 2 contact, and then fits the shell bottom plate 11 at the bottom of the metal shell 2 with the base support block 8, so as to maintain the stability of the metal shell 2 during the support process, and then sets the pressure range value of the pressure sensor 7 through the external controller, and then starts the clamping electric cylinder 4, so that the clamping electric cylinder 4 The output end drives the clamping block 5 to move downward, and during the downward movement, the slot 6 moves along the outer side of the shell boss 12 until the detection end of the pressure sensor 7 contacts the shell bottom plate 11, and the pressure data is fed back to the external controller. When the set value is reached, the operation of the output end of the clamping electric cylinder 4 is stopped, and the metal shell 2 is clamped and fixed, so that the clamping pressure is adjusted according to the thickness of the shell, thereby improving the clamping stability of the metal shell 2. The structure is simple and the operation is convenient, and the large clamping force is avoided, which may cause the metal shell 2 to deform, thereby improving its clamping efficiency.

Claims

1. A clamping fixture for a metal shell, comprising a fixture base (1), wherein a metal shell (2) is arranged at the upper end of the fixture base (1), characterized in that: The outer side of the metal shell (2) is provided with a positioning groove (10), a shell bottom plate (11) and a shell convex column (12); the upper end of the fixture base (1) is provided with a support frame (3); a clamping electric cylinder (4) is installed on the top of the support frame (3); a clamping block (5) is provided at the output end of the clamping electric cylinder (4); a clamping groove (6) is opened on one side of the clamping block (5); a pressure sensor (7) is installed at the bottom of the clamping block (5); and a base support block (8) and a positioning column (9) are installed on the upper end of the fixture base (1).

2. A clamping fixture for a metal shell according to claim 1, characterized in that: The fixture base (1) and the support frame (3) are fixedly connected, the support frame (3) is an inverted "L"-shaped structure, the clamping electric cylinder (4) and the support frame (3) are fixedly connected by bolts, and the clamping electric cylinder (4) and an external controller are electrically connected.

3. A clamping fixture for a metal shell according to claim 1, characterized in that: The output end of the clamping electric cylinder (4) is fixedly connected to the clamping block (5); the clamping block (5) is a rectangular structure; the height of the clamping slot (6) is equal to the height of the clamping block (5); and the clamping slot (6) is an arc-shaped columnar structure.

4. A clamping fixture for a metal shell according to claim 1, characterized in that: The pressure sensor (7) and the clamping block (5) are fixedly connected, the pressure sensor (7) and the external controller are electrically connected, and the base support block (8) and the fixture base (1) are fixedly connected.

5. The metal shell clamping fixture according to claim 1, characterized in that: The positioning columns (9) are fixedly connected to the fixture base (1); the positioning columns (9) are provided in four groups and are distributed in an array; the number of the positioning grooves (10) is equal to the number of the positioning columns (9); and the positioning columns (9) and the positioning grooves (10) are matched with each other.

6. The metal shell clamping fixture according to claim 1, characterized in that: The shell bottom plate (11) and the metal shell (2) are an integral structure, the bottom of the shell bottom plate (11) fits with the top of the base support block (8), the shell boss (12) and the metal shell (2) are an integral structure, and the shell boss (12) fits with the inner wall of the slot (6).

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