Spring clamping jaw device for screw conveyor

Abstract

The spring clamping jaw device for the screw conveyor comprises an integrated shell, a first clamp and a second clamp are symmetrically arranged on one side of the integrated shell, a screw piece is clamped between the first clamp and the second clamp, and a limiting assembly is arranged in the integrated shell. The limiting assembly is used for applying elastic acting force to the first clamp and the second clamp, so that the first clamp and the second clamp elastically clamp the screw piece, the end of the spring is elastically extruded and attached to the connecting block, and one end of the outer wall of the positioning bolt is slidably connected with the spring in a sleeving mode. The integrated shell, the first clamp, the second clamp, the screw piece, the pin shaft and the limiting assembly are utilized, the limiting assembly can exert acting force on the first clamp and the second clamp, the first clamp and the second clamp conduct elastic detection on the screw piece, the first clamp and the second clamp are prevented from moving relatively when the screw piece is welded, and the welding quality is improved. And the welding part of the screw piece is broken and bent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of clamping jaw device, especially a kind of spring clamping jaw device for screw conveyor. BACKGROUND

[0002] When welding screw, it is usually to utilize a mechanical clamping jaw to clamp and limit screw, the mechanical clamping jaw drives screw and welding component to butt joint, and welding machine can weld screw.

[0003] The existing mechanical clamping jaw is usually composed of cylinder, shell, hinged piece, connecting piece and two clamping jaws, that is, cylinder drives two clamping jaws to rotate oppositely or reversely through connecting piece, so as to clamp or loosen screw.

[0004] Since cylinder is used to drive two clamping jaws to clamp screw, when cylinder does not drive two clamping jaws to loosen, two clamping jaws will firmly clamp screw, and then relative shaking between mechanical clamping jaw and the component welded with screw will occur when screw is welded, so that the welded screw will be bent and broken, thus having certain defectiveness. TECHNICAL SOLUTION

[0005] The utility model aims at providing a kind of spring clamping jaw device for screw conveyor to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of spring clamping jaw device for screw conveyor, comprising:

[0007] Integrated shell;

[0008] First clamp and second clamp, the first clamp and second clamp are symmetrically arranged on one side of integrated shell;

[0009] Screw piece, the screw piece is clamped between first clamp and second clamp;

[0010] Limiting assembly, the limiting assembly is arranged in the inside of integrated shell, the limiting assembly is used to give first clamp and second clamp elastic force, so that the first clamp and second clamp are elastically clamped to screw piece.

[0011] Preferably, the first clamp and second clamp all include:

[0012] Clamping head, the side of clamping head towards screw piece is provided with clamping groove, and the inner cavity of clamping groove is matched with screw piece;

[0013] Connecting plate, one end of connecting plate is fixedly connected with clamping head, and the outer wall of connecting plate is rotatably connected with integrated shell.

[0014] Preferably, the first clamp and the second clamp further comprise:

[0015] The connecting block is fixedly connected to one end of the connecting plate away from the clamping head, and the limiting assembly is arranged between the connecting blocks.

[0016] The pin shaft is rotationally connected to the outer wall of the connecting plate, and the pin shaft is installed on the integrated shell.

[0017] Preferably, the limiting assembly comprises:

[0018] The spring is elastically extruded and attached to the end of the connecting block;

[0019] The positioning bolt is threadedly installed on the connecting block, and one end of the outer wall of the positioning bolt is slidably sleeved with the spring.

[0020] Preferably, the integrated shell comprises:

[0021] The mounting block is provided with an assembly groove corresponding to the connecting block and the connecting plate on one side of the mounting block;

[0022] The connecting lug plate is fixedly connected to one side of the mounting block, and the pin shaft is symmetrically installed on the connecting lug plate.

[0023] Preferably, the integrated shell further comprises:

[0024] The mounting groove is provided on the other side of the mounting block, and the mounting groove is used for mounting the air cylinder;

[0025] The ejector rod is slidably installed in the interior of the assembly groove, and the end of the ejector rod is provided with a slot matched with the spring.

[0026] The technical effects and advantages of the utility model are as follows:

[0027] The utility model discloses an integrated shell, a first clamp, a second clamp, a screw piece, a pin shaft and a limiting assembly, the first clamp and the second clamp can be rotated relative to the integrated shell through the pin shaft, and the limiting assembly can apply force to the first clamp and the second clamp, so that the first clamp and the second clamp can elastically detect the screw piece, and the relative movement of the first clamp and the second clamp during the welding of the screw piece is avoided, and the fracture and bending of the welded part of the screw piece are avoided. DRAWINGS

[0028] Figure 1 It is the whole structure schematic diagram of the utility model.

[0029] Figure 2 It is the whole structure schematic diagram of the utility model first clamp and second clamp open.

[0030] Figure 3 It is a front structure schematic view of the utility model.

[0031] Figure 4 It is a bottom internal structure schematic view of the utility model.

[0032] In the figure: 1, integrated shell; 11, mounting block; 12, connecting lug; 13, assembly groove; 14, mounting groove; 2, first clamp; 21, clamping head; 22, connecting plate; 23, connecting block; 24, clamping groove; 3, second clamp; 4, screw piece; 5, pin shaft; 6, limiting assembly; 61, spring; 62, positioning bolt; 7, top rod. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] The utility model provides a kind of spring clamp jaw device for screw conveyor as Figures 1-4 As shown in a kind of spring clamp jaw device for screw conveyor, including integrated shell 1, first clamp 2, second clamp 3, screw piece 4 and limiting assembly 6, first clamp 2 and second clamp 3 are symmetrically arranged in the side of integrated shell 1, screw piece 4 is clamped between first clamp 2 and second clamp 3, limiting assembly 6 is arranged in the inside of integrated shell 1, limiting assembly 6 is used to give first clamp 2 and second clamp 3 elastic force, so that first clamp 2 and second clamp 3 are elastically clamped to screw piece 4, that is, when screw piece 4 is welded with welding component, first clamp 2 and second clamp 3 can elastically relax when first clamp 2 and second clamp 3 are shaken relative to welding component or screw piece 4, to avoid the situation that the screw piece 4 welded is bent or broken.

[0035] Further, first clamp 2 and second clamp 3 all include clamping head 21 and connecting plate 22, clamping groove 24 is opened in the side of clamping head 21 towards screw piece 4, the inner cavity of clamping groove 24 is matched with screw piece 4, as Figure 1 And Figure 2As shown, the screw piece 4 is located in the two clamping grooves 24, which can ensure the stability of the screw piece 4 clamped between the first clamp 2 and the second clamp 3, one end of the connecting plate 22 is fixedly connected with the clamping head 21, the outer wall of the connecting plate 22 is rotatably connected with the integrated shell 1, the first clamp 2 and the second clamp 3 further comprise a connecting block 23 and a pin shaft 5, the connecting block 23 is fixedly connected to one end of the connecting plate 22 away from the clamping head 21, the limiting assembly 6 is arranged between the connecting blocks 23, and the outer wall of the pin shaft 5 is rotatably connected with the connecting plate 22, and the pin shaft 5 is installed on the integrated shell 1, that is, the two connecting blocks 23 are subjected to an action force of opposite movement, so that the two clamping heads 21 have an action force of relative aggregation movement.

[0036] In particular, the limiting assembly 6 comprises a spring 61 and a positioning bolt 62, the end of the spring 61 is elastically extruded and attached to the connecting block 23, the spring 61 can provide the two connecting blocks 23 with a repulsive force in opposite directions, so that the two clamping heads 21 have a repulsive force of relative movement, thereby enabling the two clamping heads 21 to elastically clamp the screw piece 4, and the positioning bolt 62 is threadedly installed on the connecting block 23, one end of the outer wall of the positioning bolt 62 is slidably sleeved with the spring 61, and the positioning bolt 62 can ensure the stability of the spring 61 installed between the two connecting blocks 23.

[0037] Further, the integrated shell 1 comprises a mounting block 11 and a connecting lug plate 12, the mounting block 11 is provided with an assembly groove 13 corresponding to the connecting block 23 and the connecting plate 22 on one side, the connecting lug plate 12 is fixedly connected to one side of the mounting block 11, and the pin shaft 5 is symmetrically installed on the connecting lug plate 12, the integrated shell 1 further comprises a mounting groove 14 and a top rod 7, the mounting groove 14 is arranged on the other side of the mounting block 11, the mounting groove 14 is used for mounting a cylinder, and the top rod 7 is slidably installed in the assembly groove 13, the end of the top rod 7 is provided with a slot matched with the spring 61, so that the top rod 7 does not come into contact with the spring 61 when moving, and the cylinder installed in the mounting groove 14 is in transmission connection with the top rod 7, so that when the cylinder drives the top rod 7 to move towards the first clamp 2 and the second clamp 3, the top rod 7 can extrude the end of the opposite side of the two connecting plates 22, so that the two clamping heads 21 move away from each other, that is, the first clamp 2 and the second clamp 3 are in an open state, so as to clamp the screw piece 4 to be welded.

[0038] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A spring clamp jaw device for a screw conveyor, characterized in that The utility model relates to a kind of integrated shell and screw piece, it is including: Integrated shell (1); First clamp (2) and second clamp (3), first clamp (2) and second clamp (3) are symmetrically arranged in one side of integrated shell (1); Screw piece (4), screw piece (4) is clamped between first clamp (2) and second clamp (3); Limiting component (6), limiting component (6) is arranged in the inside of integrated shell (1), the elastic force of first clamp (2) and second clamp (3) is used to make first clamp (2) and second clamp (3) elastically clamp screw piece (4).

2. A spring chuck jaw assembly for a screw conveyor as defined in claim 1, wherein, First clamp (2) and second clamp (3) are including: Clamping head (21), the side of clamping head (21) is opened clamping groove (24) towards screw piece (4), the inner cavity of clamping groove (24) is matched with screw piece (4); Connecting plate (22), one end of connecting plate (22) is fixedly connected with clamping head (21), and the outer wall of connecting plate (22) is rotatably connected with integrated shell (1).

3. A spring chuck jaw assembly for a screw conveyor as defined in claim 2, wherein, First clamp (2) and second clamp (3) are also including: Connecting block (23), connecting block (23) is fixedly connected to one end of connecting plate (22) away from clamping head (21), and limiting component (6) is arranged between connecting block (23); Pin shaft (5), the outer wall of pin shaft (5) is rotatably connected with connecting plate (22), and pin shaft (5) is installed on integrated shell (1).

4. A spring chuck jaw assembly for a screw conveyor as defined in claim 3, wherein Limiting component (6) is including: Spring (61), the end of spring (61) is elastically extruded and attached to connecting block (23); Positioning bolt (62), positioning bolt (62) is threadedly installed on connecting block (23), and one end of the outer wall of positioning bolt (62) is slidably sleeved with spring (61).

5. A spring chuck jaw assembly for a screw conveyor as defined in claim 4, wherein, Integrated shell (1) is including: Mounting block (11), one side of mounting block (11) is opened with assembly groove (13) corresponding to connecting block (23) and connecting plate (22); Connecting lug plate (12), connecting lug plate (12) is fixedly connected to one side of mounting block (11), and pin shaft (5) is symmetrically installed on connecting lug plate (12).

6. A spring chuck jaw assembly for a screw conveyor as defined in claim 5, wherein, Integrated shell (1) is also including: Mounting groove (14), mounting groove (14) is opened in the other side of mounting block (11), and mounting groove (14) is used to install cylinder; Jacking rod (7), jacking rod (7) is slidably installed in the inside of assembly groove (13), and the end of jacking rod (7) is opened with slot matching with spring (61).

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