CN217193524U

CN217193524U - Skeleton welding clamping device

Info

Publication number: CN217193524U
Application number: CN202123353976.1U
Authority: CN
Inventors: 贾福进; 李小波; 朱华彬
Original assignee: Chongqing Liangyou Spring Co ltd
Current assignee: Chongqing Liangyou Spring Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-16
Anticipated expiration: 2031-12-29

Abstract

The utility model belongs to a skeleton welding clamping device is provided, include: the clamping mechanism comprises a fixed block, a clamping structure, a cylinder and a transmission structure; a cavity is arranged in the fixed block, a sliding chute is arranged on the fixed block, and the bottom of the sliding chute is communicated with the cavity; the clamping structure comprises two symmetrically arranged clamping blocks, one ends of the clamping blocks extend into the sliding grooves and are connected with the fixing blocks in a sliding mode, and limiting grooves are formed in the clamping blocks; the cylinder is fixed on the fixed block, and a piston rod of the cylinder extends into the cavity; the transmission structure is arranged in the cavity; the transmission structure comprises two transmission assemblies which are symmetrically arranged, and the two transmission assemblies can push the clamping blocks to slide. In the utility model, the air cylinder pushes the clamping blocks to slide in the sliding grooves through the transmission structure, and the parts are clamped through the two symmetrically arranged clamping blocks; the clamping device occupies small space, and can greatly reduce the condition that the arrangement space of the clamp mechanism is limited.

Description

Framework welding clamping device

Technical Field

The utility model relates to an automobile skeleton welding technology field, concretely relates to skeleton welding clamping device.

Background

The framework of the automobile mainly has the steel pipe modeling and welding assembly secondary, and is used for fixing the fixture with the framework welded as the standard, the fixture is one of indispensable tool equipment in a welding workshop, and the fixture can realize multiple functions of positioning, clamping, supporting and the like. The welding clamp is controlled by an air circuit or a circuit. The air cylinder drives the piston rod to transmit through compressed air so as to realize actions such as pressing and opening of the clamp mechanism.

The common clamp positioning and clamping mechanism is formed by independently controlling the clamping mechanism to be unidirectionally pressed or opened by the air cylinder, so that the occupied space is large, and if parts need to be bidirectionally positioned and clamped in a limited space range, the condition that the arrangement space of the clamp mechanism is limited can occur.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that prior art exists, the utility model discloses the main technical problem who solves is: the common clamp positioning and clamping mechanism is formed by independently controlling the clamping mechanism to be unidirectionally pressed or opened by the air cylinder, so that the occupied space is large, and if parts need to be bidirectionally positioned and clamped in a limited space range, the condition that the arrangement space of the clamp mechanism is limited can occur.

In order to solve the technical problem, the utility model adopts the following technical scheme: skeleton welding clamping device includes: the clamping mechanism comprises a fixed block, a clamping structure, a cylinder and a transmission structure; a cavity is arranged in the fixed block, a sliding chute is arranged on the fixed block, and the bottom of the sliding chute is communicated with the cavity; the clamping structure comprises two symmetrically arranged clamping blocks, one ends of the clamping blocks extend into the sliding grooves and are connected with the fixing blocks in a sliding mode, and limiting grooves are formed in the clamping blocks; the cylinder is fixed on the fixed block, and a piston rod of the cylinder extends into the cavity; the transmission structure is arranged in the cavity; the transmission structure comprises two transmission assemblies which are symmetrically arranged, and the two transmission assemblies correspond to the clamping blocks one by one; each transmission assembly comprises a push rod, an L-shaped transmission plate and a rotating rod; the push rod is fixed on a piston rod of the air cylinder; one end of the L-shaped transmission plate is provided with a sliding through groove; the pushing rod penetrates through the sliding through groove in a sliding mode and is movably connected with the sliding through groove; the corner of L type driving plate passes through dwang and fixed block rotatable coupling, the other end of L type driving plate be located the spacing inslot and with spacing groove swing joint, the other end of L type driving plate rotates and to promote to press from both sides tight piece slip.

In the utility model, the telescopic rod of the cylinder stretches out and draws back to drive the push rod fixedly connected with the cylinder to move, the push rod pushes the L-shaped transmission plate to rotate around the rotating rod, one end of the L-shaped transmission plate, which is positioned in the limiting groove, pushes the clamping block to slide in the chute, and the part is clamped by the two symmetrically arranged clamping blocks; the clamping device occupies a small space, and can greatly reduce the condition that the arrangement space of the clamp mechanism is limited if parts need to be positioned and clamped bidirectionally in a limited space range.

Preferably, a guide groove is formed in the sliding groove, a plurality of guide wheels matched with the guide groove are arranged in the guide groove, and each guide wheel is rotatably connected with the clamping block through a rotating shaft. When the clamping block moves, the clamping block drives the guide wheel to rotate in the guide groove, sliding friction is converted into rolling friction, the guide wheel can play a role in guiding the clamping block, and meanwhile abrasion between the clamping block and the fixing block can be reduced.

Preferably, the fixing block is fixedly provided with a connecting part. Can be fixed on other devices through the connecting part.

Preferably, each clamping block is provided with a clamping rod, each clamping block is provided with a through hole along the moving direction of the clamping block, and the clamping rod penetrates through the through holes and is in threaded connection with the clamping blocks. The clamping rod can be used for positioning and clamping parts with holes.

Preferably, the number of the through holes on each clamping block is multiple. Through installing the clamping rod in different through-hole departments for can carry out the centre gripping location to different kind parts.

Preferably, the number of the clamping rods on each clamping block is two. The rotation of the part can be effectively prevented through the two clamping rods.

Compared with the prior art, the utility model discloses at least, following advantage has:

the situation that the arrangement space of the clamp mechanism is limited can be greatly reduced. In the utility model, the telescopic rod of the cylinder stretches out and draws back to drive the push rod fixedly connected with the cylinder to move, the push rod pushes the L-shaped transmission plate to rotate around the rotating rod, one end of the L-shaped transmission plate, which is positioned in the limiting groove, pushes the clamping block to slide in the chute, and the part is clamped by the two symmetrically arranged clamping blocks; the clamping device occupies a small space, and can greatly reduce the condition that the arrangement space of the clamp mechanism is limited if parts need to be positioned and clamped bidirectionally in a limited space range.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a perspective view of a framework welding clamping device provided in an embodiment of the present invention.

Fig. 2 is a top view of the framework welding clamping device provided in the embodiment of the present invention.

Fig. 3 is a top view of a transmission structure according to an embodiment of the present invention.

Reference numerals: 1-fixed block, 11-sliding groove, 12-guide groove, 2-clamping structure, 21-clamping block, 22-limiting groove, 23-through hole, 3-air cylinder, 4-transmission structure, 41-pushing rod, 42-L-shaped transmission plate, 43-rotating rod, 44-sliding through groove, 5-guide wheel, 51-rotating shaft, 6-connecting part and 7-clamping rod.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

In the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: skeleton welding clamping device includes: the device comprises a fixed block 1, a clamping structure 2, a cylinder 3 and a transmission structure 4; a cavity is arranged in the fixed block 1, a chute 11 is arranged on the fixed block 1, and the bottom of the chute 11 is communicated with the cavity; the clamping structure 2 comprises two symmetrically arranged clamping blocks 21, one ends of the clamping blocks 21 extend into the sliding grooves 11 and are in sliding connection with the fixing blocks 1, and limiting grooves 22 are formed in the clamping blocks 21; the cylinder 3 is fixed on the fixed block 1, and a piston rod of the cylinder 3 extends into the cavity; the transmission structure 4 is arranged in the cavity; the transmission structure 4 comprises two transmission assemblies which are symmetrically arranged, and the two transmission assemblies correspond to the clamping blocks 21 one by one; each transmission assembly comprises a push rod 41, an L-shaped transmission plate 42 and a rotating rod 43; the push rod 41 is fixed on the piston rod of the cylinder 3; one end of the L-shaped transmission plate 42 is provided with a sliding through groove 44; the pushing rod 41 penetrates through the sliding through groove 44 in a sliding mode and is movably connected with the sliding through groove 44; l type driving plate 42's corner passes through dwang 43 and fixed block 1 rotatable coupling, L type driving plate 42's the other end be located spacing groove 22 and with spacing groove 22 swing joint, when L type driving plate 42 rotated, L type driving plate 42's the other end when spacing groove 22 internal rotation, L type driving plate 42's the other end slided from top to bottom in spacing groove 22 to can avoid L type driving plate 42 dead by the card. The other end of the L-shaped transmission plate 42 rotates to push the clamping block 21 to slide. Furthermore, in order to facilitate fixing on other devices, the fixing block 1 is fixedly provided with a connecting part 6.

Referring to fig. 1-3, in other embodiments, a guide groove 12 is formed in the sliding groove 11, a plurality of guide wheels 5 are disposed in the guide groove 12 and are matched with the guide groove 12, and each guide wheel 5 is rotatably connected with the clamping block 21 through a rotating shaft 51. When the clamping block 21 moves, the clamping block 21 drives the guide wheel 5 to rotate in the guide groove 12, sliding friction is converted into rolling friction, the guide wheel 5 can play a role in guiding the clamping block 21, and meanwhile abrasion between the clamping block 21 and the fixed block 1 can be reduced.

Referring to fig. 1 to 3, in a further embodiment, each clamping block 21 is provided with a clamping rod 7, the clamping blocks 21 are provided with through holes 23 along the direction of movement of the clamping blocks 21, and the clamping rods 7 pass through the through holes 23 and are threadedly coupled with the clamping blocks 21. The clamping rod 7 can be used for positioning and clamping parts with holes. Further, in order to clamp and position different kinds of parts, the number of the through holes 23 on each clamping block 21 is multiple. By mounting the clamping bar 7 at different through holes 23, different kinds of parts can be clamped in place. Furthermore, in order to effectively prevent the rotation of the parts, the number of the clamping rods 7 on each clamping block 21 is two.

The utility model discloses a theory of operation and use flow:

the telescopic rod of the cylinder 3 stretches to drive the push rod 41 fixedly connected with the telescopic rod to move, the push rod 41 pushes the L-shaped transmission plate 42 to rotate around the rotating rod 43, one end of the L-shaped transmission plate 42, which is positioned in the limiting groove 22, pushes the clamping block 21 to slide in the sliding groove 11, and the part is clamped by the two symmetrically arranged clamping blocks 21; the clamping device occupies a small space, and can greatly reduce the condition that the arrangement space of the clamp mechanism is limited if parts need to be positioned and clamped bidirectionally in a limited space range.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. Skeleton welding clamping device, its characterized in that includes: the device comprises a fixed block (1), a clamping structure (2), a cylinder (3) and a transmission structure (4);

a cavity is arranged in the fixed block (1), a sliding chute (11) is arranged on the fixed block (1), and the bottom of the sliding chute (11) is communicated with the cavity;

the clamping structure (2) comprises two symmetrically arranged clamping blocks (21), one ends of the clamping blocks (21) extend into the sliding grooves (11) and are connected with the fixing blocks (1) in a sliding mode, and limiting grooves (22) are formed in the clamping blocks (21);

the air cylinder (3) is fixed on the fixed block (1), and a piston rod of the air cylinder (3) extends into the cavity;

the transmission structure (4) is arranged in the cavity; the transmission structure (4) comprises two transmission assemblies which are symmetrically arranged, and the two transmission assemblies correspond to the clamping blocks (21) one by one; each transmission component comprises a push rod (41), an L-shaped transmission plate (42) and a rotating rod (43); the push rod (41) is fixed on a piston rod of the air cylinder (3); one end of the L-shaped transmission plate (42) is provided with a sliding through groove (44); the push rod (41) penetrates through the sliding through groove (44) in a sliding mode and is movably connected with the sliding through groove (44); the corner of L type driving plate (42) passes through dwang (43) and fixed block (1) rotatable coupling, the other end of L type driving plate (42) be located spacing groove (22) and with spacing groove (22) swing joint, the other end of L type driving plate (42) is rotated and is promoted to press from both sides tight piece (21) and slide.

2. The framework welding clamping device according to claim 1, characterized in that a guide groove (12) is arranged in the sliding groove (11), a plurality of guide wheels (5) matched with the guide groove (12) are arranged in the guide groove (12), and each guide wheel (5) is rotatably connected with the clamping block (21) through a rotating shaft (51).

3. The framework welding clamping device according to claim 1, characterized in that a connecting part (6) is fixedly arranged on the fixing block (1).

4. Skeleton welding clamping device according to claim 1, characterized in that each clamping block (21) is provided with a clamping rod (7), the clamping block (21) is provided with a through hole (23) in the direction of movement of the clamping block (21), and the clamping rod (7) passes through the through hole (23) and is in threaded connection with the clamping block (21).

5. The welding clamp of frameworks according to claim 4, characterized in that the number of through holes (23) on each clamping block (21) is multiple.

6. Skeleton welding clamping device according to claim 5, characterized in, that the number of clamping bars (7) on each clamping block (21) is two.