An isostatic graphite rod butt-jointing pressure-maintaining device

Abstract

The utility model discloses an isostatic graphite rod docking pressure-maintaining device, which includes: a base, a first floating ring, a second floating ring and a clamping assembly, wherein the first floating ring is arranged above the base, the second floating ring can be lifted and lowered above the first floating ring, the second floating ring is symmetrically provided with a threaded rod penetrating downwardly through the first floating ring, the bottom of the threaded rod is provided with a limit block located below the first floating ring, the clamping assembly is respectively arranged at the same position on the first floating ring and the second floating ring, the clamping assembly includes left-right symmetrically distributed clamping blocks and a driving mechanism that drives the clamping blocks to move synchronously and in reverse. The isostatic graphite rod docking pressure-maintaining device described in the utility model ensures the concentricity of two isostatic graphite rods and improves the convenience of docking pressure-maintaining operation.

Description

Technical Field

[0001] The utility model relates to the field of isostatic graphite rod processing equipment, in particular to an isostatic graphite rod butting pressure-maintaining device. Background Art

[0002] In the process of producing isostatic graphite rods, it is necessary to cut a longer isostatic graphite rod or to butt two shorter isostatic graphite rods to obtain an isostatic graphite rod of a specified length.

[0003] In the process of butt-joining two shorter isostatic graphite rods, it is necessary to first apply adhesive to the end of one of the isostatic graphite rods, then butt-join the two isostatic graphite rods, and maintain the pressure for a period of time. The butt-joining of the two isostatic graphite rods is achieved through the curing of the adhesive. The operation is relatively cumbersome, and it is difficult to ensure the concentricity of the two isostatic graphite rods, which needs to be improved. Utility Model Content

[0004] The utility model aims to provide an isostatic graphite rod butt joint pressure-maintaining device to ensure the concentricity of two isostatic graphite rods butt joint and improve the ease of operation.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] An isostatically pressed graphite rod butt-jointing pressure-maintaining device comprises: a base, a first floating ring, a second floating ring and a clamping assembly, wherein the first floating ring is arranged above the base, the second floating ring can be raised and lowered above the first floating ring, the second floating ring is symmetrically provided with threaded rods penetrating downwardly through the first floating ring, a limiting block located below the first floating ring is provided at the bottom of the threaded rod, the clamping assembly is respectively arranged at the same position on the first floating ring and the second floating ring, and the clamping assembly comprises clamping blocks symmetrically distributed on the left and right and a driving mechanism for driving the clamping blocks to move synchronously and in reverse.

[0007] Wherein, the driving mechanism adopts pneumatic fingers.

[0008] Wherein, V-shaped grooves are respectively arranged on the inner sides of the clamping blocks.

[0009] Wherein, a guide rod which upwardly penetrates the first floating ring piece and the second floating ring piece is arranged on the base.

[0010] Wherein, guide sleeves corresponding to the guide rods are arranged on the first floating ring piece and the second floating ring piece.

[0011] Wherein, a lifting device for driving the second floating ring piece to move up and down is arranged on the base.

[0012] Wherein, the lifting device includes a vertical frame, a reduction motor, a first synchronous wheel, a second synchronous wheel, a synchronous belt and a connecting block. The vertical frame is vertically arranged on the base, the first synchronous wheel and the second synchronous wheel are arranged on the vertical frame with an upper and lower interval, the synchronous belt is arranged between the first synchronous wheel and the second synchronous wheel, the reduction motor is connected to the second synchronous wheel, and the connecting block is arranged on the synchronous belt and connected to the edge of the second floating ring.

[0013] The connecting block has a C-shaped groove on one side facing the edge of the second floating ring piece, a pin vertically penetrating the edge of the second floating ring piece is arranged in the C-shaped groove, and a spring located above the edge of the second floating ring piece is arranged on the pin.

[0014] Wherein, the threaded rod is provided with nuts located above and below the second floating ring piece.

[0015] The beneficial effects of the utility model include: an isostatically pressed graphite rod butt joint pressure-maintaining device, which clamps and positions the first isostatically pressed graphite rod through the clamping assembly on the first floating ring sheet, and clamps and positions the second isostatically pressed graphite rod through the clamping assembly on the second floating ring sheet, thereby ensuring the concentricity of the butt joint of the two isostatically pressed graphite rods, and realizing butt joint pressure-maintaining of the two isostatically pressed graphite rods by pressing down the second floating ring sheet, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the utility model for positioning the first isostatic graphite rod;

[0017] Figure 2 The utility model is a structural schematic diagram of butting and pressure-maintaining two isostatically pressed graphite rods. DETAILED DESCRIPTION

[0018] Combine the following Figure 1 to Figure 2 The technical solution of the utility model is further illustrated by specific embodiments.

[0019] like Figure 1 and Figure 2 The isostatically pressed graphite rod docking pressure-maintaining device shown comprises: a base 1, a first floating ring piece 11, a second floating ring piece 12 and a clamping assembly, wherein the first floating ring piece 11 is arranged above the base 1, and the second floating ring piece 12 is arranged above the first floating ring piece 11 in a liftable manner. In this embodiment, the base 1 is symmetrically provided with guide rods 5 which upwardly penetrate the first floating ring piece 11 and the second floating ring piece 12, and the first floating ring piece 11 and the second floating ring piece 12 are provided with guide sleeves 19 corresponding to the guide rods 5 to guide the lifting and lowering of the first floating ring piece 11 and the second floating ring piece 12.

[0020] The second floating ring piece 12 is symmetrically provided with a threaded rod 6 penetrating downwardly through the first floating ring piece 11, and the bottom of the threaded rod 6 is provided with a limit block 2 located below the first floating ring piece 11, so that the first floating ring piece 11 descends by its own weight and is limited in descending height by the limit block 2. In this embodiment, the threaded rod 6 is provided with nuts 18 located above and below the second floating ring piece 12, so as to facilitate the fixing and height adjustment of the threaded rod 6, change the height difference between the first floating ring piece 11 and the second floating ring piece 12, and adapt to the docking of two isostatic graphite rods of different heights.

[0021] The clamping assembly is respectively arranged at the same position on the first floating ring piece 11 and the second floating ring piece 12. The clamping assembly includes a clamping block 7 symmetrically distributed on the left and right and a driving mechanism 8 that drives the clamping block to move synchronously and in the opposite direction. In this embodiment, the driving mechanism 8 adopts a pneumatic finger, which can synchronously perform the clamping action of the two clamping blocks 7. V-shaped grooves are respectively arranged on the inner side of the clamping block 7, which has good adaptability to the outer diameter of the isostatic graphite rod, realizes the self-centering of the isostatic graphite rod, and ensures the concentricity of the upper and lower isostatic graphite rods.

[0022] In order to achieve pressure maintenance after the two isostatic graphite rods are butt-jointed, a lifting device for driving the second floating ring 12 to move up and down is provided on the base 1. In this embodiment, the lifting device includes a stand 9, a reduction motor 14, a first synchronous wheel, a second synchronous wheel, a synchronous belt 13 and a connecting block 10. The stand 9 is vertically arranged on the base 1, with a small footprint and a compact structure.

[0023] The first synchronous wheel 21 and the second synchronous wheel 15 are arranged on the stand 9 with an interval up and down, the synchronous belt 13 is arranged between the first synchronous wheel 21 and the second synchronous wheel 15, and the reduction motor 14 is connected to the second synchronous wheel 15 to drive the operation of the synchronous belt 13. The reduction motor 14 can be controlled by PLC to achieve accurate operation of the synchronous belt 13 and easy operation.

[0024] like Figure 1 As shown, the connecting block 10 is arranged on the synchronous belt 13 and connected to the edge of the second floating ring piece 12 to drive the lifting of the second floating ring piece 12. Figure 2 As shown, a C-shaped groove 20 is concavely provided on one side of the connecting block 10 facing the edge of the second floating ring piece 12, and a pin 4 is vertically provided in the C-shaped groove 20 and penetrates the edge of the second floating ring piece 12, and a spring 3 is provided on the pin 4 and is located above the edge of the second floating ring piece 12, and the spring 3 can elastically press down the second floating ring piece 12 to maintain the pressure after the two isostatically pressed graphite rods are butt-jointed.

[0025] like Figure 1As shown, the second floating ring 12 and the first floating ring 11 are first lowered, the first isostatic graphite rod 16 is hoisted onto the carrier on the base 1, the first isostatic graphite rod 16 is clamped and positioned using the clamping assembly on the second floating ring 12, then an adhesive is applied to the top of the first isostatic graphite rod 16, and then the second isostatic graphite rod 17 is hoisted onto the first isostatic graphite rod 16 for docking;

[0026] After docking, the clamping assembly on the second floating ring piece 12 is loosened, and the second floating ring piece 12 and the first floating ring piece 11 are raised, as shown in FIG. Figure 2 As shown, the clamping assembly on the first floating ring 11 is switched to clamp and position the first isostatic graphite rod 16, and the clamping assembly on the second floating ring 12 is switched to clamp and position the second isostatic graphite rod 17, thereby ensuring the concentricity of the two isostatic graphite rods when docked, and the elastic downward pressure of the second floating ring 12 by the spring 3 is used to achieve docking and pressure maintenance of the two isostatic graphite rods, and the operation is relatively simple.

[0027] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. An isostatic graphite rod butt-jointing pressure-maintaining device, characterized in that: include: A base, a first floating ring, a second floating ring and a clamping assembly, wherein the first floating ring is arranged above the base, the second floating ring can be raised and lowered above the first floating ring, the second floating ring is symmetrically provided with threaded rods penetrating downwardly through the first floating ring, a limit block located below the first floating ring is provided at the bottom of the threaded rod, the clamping assembly is respectively provided at the same position on the first floating ring and the second floating ring, and the clamping assembly includes clamping blocks symmetrically distributed on the left and right and a driving mechanism for driving the clamping blocks to move synchronously and in reverse.

2. The isostatic graphite rod butt-jointing pressure-maintaining device according to claim 1, characterized in that: The driving mechanism adopts pneumatic fingers.

3. The isostatic graphite rod butt-jointing pressure-maintaining device according to claim 1, characterized in that: The inner sides of the clamping blocks are respectively provided with V-shaped grooves.

4. The isostatic graphite rod butt-jointing pressure-maintaining device according to claim 1, characterized in that: The base is provided with a guide rod which penetrates upwards through the first floating ring piece and the second floating ring piece.

5. The isostatic graphite rod butt-jointing pressure-maintaining device according to claim 4, characterized in that: The first floating ring piece and the second floating ring piece are provided with guide sleeves corresponding to the guide rods.

6. The isostatic graphite rod butt-jointing pressure-maintaining device according to claim 1, characterized in that: The base is provided with a lifting device for driving the second floating ring piece to move up and down.

7. The isostatic graphite rod butt-jointing pressure-maintaining device according to claim 6, characterized in that: The lifting device includes a stand, a reduction motor, a first synchronous wheel, a second synchronous wheel, a synchronous belt and a connecting block. The stand is vertically arranged on the base, the first synchronous wheel and the second synchronous wheel are arranged on the stand with an interval up and down, the synchronous belt is arranged between the first synchronous wheel and the second synchronous wheel, the reduction motor is connected to the second synchronous wheel, and the connecting block is arranged on the synchronous belt and connected to the edge of the second floating ring.

8. The isostatic graphite rod butt-jointing pressure-maintaining device according to claim 7, characterized in that: A C-shaped groove is concavely arranged on one side of the connection block facing the edge of the second floating ring piece. A pin is arranged in the C-shaped groove and vertically penetrates the edge of the second floating ring piece. A spring is arranged on the pin and is located above the edge of the second floating ring piece.

9. The isostatic graphite rod butt-jointing pressure-maintaining device according to claim 1, characterized in that: The threaded rod is provided with nuts located above and below the second floating ring piece.

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