CN216228109U

CN216228109U - Quick centre gripping frock

Info

Publication number: CN216228109U
Application number: CN202122907665.9U
Authority: CN
Inventors: 杨超
Original assignee: Chengdu Chuangke Intelligent Control Automation Technology Co ltd
Current assignee: Chengdu Chuangke Intelligent Control Automation Technology Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-08
Anticipated expiration: 2031-11-25

Abstract

The application provides a quick centre gripping frock includes: side ejector pin, gear shaft, lead screw, silk cover, rotor plate and clamp plate. The side mandril is provided with a pair in parallel. The middle part and the two ends of the gear shaft are provided with gears, and the gear shaft is used for driving the side ejector rod to move. The screw rod is arranged in the middle of the pair of side mandrils. The screw sleeve is of a tubular structure, the outer side of the screw rod is sleeved with the screw sleeve in a threaded matching mode, and the screw sleeve is used for driving the gear shaft to rotate. The rotor plate quantity is a pair of, and the parallel silk braid both sides of locating, and the rotor plate rear end is fixed hinge structure, and the bar hole has been seted up along length direction to its middle section, and the silk braid both sides all are equipped with the round pin axle, and the round pin axle slides respectively and locates in the bar hole of both sides, and rotor plate the place ahead is located to the clamp plate for compress tightly the work piece top surface. Only one clamping driving structure is arranged, the top surface and the side surface of the workpiece can be simultaneously pressed, rapid clamping and loosening can be realized, and the clamping efficiency is higher.

Description

Quick centre gripping frock

Technical Field

The utility model belongs to the technical field of mechanical clamps, and particularly relates to a quick clamping tool.

Background

The mechanical clamp is widely applied in industrial production and manufacturing, the existing clamp, especially for the clamping mode of the top surface and the side surface of a workpiece, generally needs to be separately provided with a clamping driving structure, namely the top surface and the side surface of the workpiece are respectively pressed, an operator needs to operate at least two clamping driving structures when clamping and loosening the workpiece, the operation process is more complicated, and the clamping anxiety is lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a rapid clamping tool which is only provided with a clamping driving structure, can simultaneously compress the top surface and the side surface of a workpiece, can realize rapid clamping and loosening and has higher clamping efficiency.

In order to realize the purpose of the utility model, the following scheme is adopted:

the utility model provides a quick centre gripping frock, includes: side ejector pin, gear shaft, lead screw, silk cover, rotor plate and clamp plate.

The side mandrils are provided with a pair of side mandrils in parallel, and the outer walls of the back sections of the side mandrils on the same plane are processed with strip-shaped teeth along the length direction.

The middle part and the two ends of the gear shaft are respectively provided with a gear, the gear shaft is vertical to the side mandril, and the gears at the two ends of the gear shaft are respectively meshed with the strip-shaped teeth of the side mandril.

The screw rod is arranged in the middle of the pair of side ejector rods and is perpendicular to the side ejector rods and the gear shaft.

The screw sleeve is of a tubular structure, the outer side of the screw rod is sleeved with the screw rod in a threaded fit mode, the screw rod is rotationally driven to move along the axis direction, the relative circumferential position between the screw sleeve and the screw rod is kept fixed, the outer wall of the screw sleeve is provided with a bar-shaped tooth portion in a processing mode along the axis direction, and the bar-shaped tooth portion is meshed with a gear in the middle of the gear shaft.

The number of the rotating plates is a pair, the rotating plates are arranged on two sides of the screw sleeve in parallel, the rear end of each rotating plate is of a fixed hinged structure, strip-shaped holes are formed in the middle section of each rotating plate along the length direction, pin shafts are arranged on two sides of the screw sleeve and are respectively arranged in the strip-shaped holes in the two sides in a sliding mode, when a workpiece is loosened, the rotating plates are perpendicular to the screw sleeve, and the screw sleeve is located on the upper portion of the screw rod;

the pressing plate is arranged in front of the rotating plate and positioned above the side ejector rod and used for pressing the top surface of the workpiece.

Furthermore, the rotating plate front end rotates and is equipped with the connecting plate, and the pivoted axis is parallel with the axis of the articulated department of rotating plate rear end, and the clamp plate is equipped with a pair of arc, and the arc bottom is fixed articulated, and the connecting plate front end rotates to be connected in the middle section of arc, and the pivoted axis is parallel with the axis of the articulated department of rotating plate rear end, and the connecting plate is located between a pair of arc.

Further, still include the base for installation side ejector pin, gear shaft and lead screw, the clamp plate is located the top surface top of base, and the top surface of base is used for placing the work piece, and the base is equipped with a pair of baffle, and the baffle is located the place ahead that the side ejector pin compressed tightly the direction for the degree of freedom of restriction work piece another side.

Furthermore, the top of the screw rod is provided with a turntable.

The utility model has the beneficial effects that: the screw sleeve is driven to move through the screw rod, and the side ejector rod and the pressing plate are driven to move simultaneously, so that the top surface and the side surface of the workpiece are pressed or loosened simultaneously, the workpiece can be clamped quickly, and the clamping efficiency is high.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows a schematic structural view of a clamping tool when clamping a workpiece.

Fig. 2 shows another view of the schematic diagram of the holding tool holding the workpiece.

Fig. 3 shows an enlarged view at a in fig. 2.

Fig. 4 shows a schematic structural view of the clamping tool when the clamping tool releases the workpiece.

The labels in the figure are: the side ejector rod-1, the strip-shaped teeth-11, the gear shaft-2, the gear-21, the screw rod-3, the rotary disc-31, the thread sleeve-4, the strip-shaped teeth part-41, the pin shaft-42, the rotating plate-5, the strip-shaped holes-51, the pressing plate-6, the arc-shaped plate-61, the connecting plate-7, the base-8 and the baffle-81.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, a rapid clamping tool includes: side ejector pin 1, gear shaft 2, lead screw 3, silk cover 4, rotor plate 5 and clamp plate 6.

Specifically, a pair of side mandrils 1 are arranged in parallel, and the outer wall of the rear section of each side mandrill in the same plane is provided with a strip-shaped tooth 11 along the length direction.

Specifically, the gear shaft 2, its middle part and both ends all are equipped with gear 21, and the gear shaft 2 is perpendicular to side ejector pin 1, and the gear 21 at 2 both ends of gear shaft meshes with the bar tooth 11 of side ejector pin 1 respectively, and during operation, the gear shaft 2 is rotatory, through the gear 21 at 2 both ends of gear shaft and the mesh of bar tooth 11, drives the axis direction removal of side ejector pin 1 along self to the realization compresses tightly or loosens the work piece side.

Specifically, the screw rod 3 is arranged in the middle of the pair of side ejector rods 1, and the screw rod 3 is perpendicular to the side ejector rods 1 and the gear shaft 2.

Specifically, the silk braid 4 is the tubular structure, locate the 3 outsides of lead screw through the screw-thread fit cover, 3 rotary drive silk braids of lead screw 4 remove along the axis direction, relative circumference position between silk braid 4 and the lead screw 3 keeps fixed, 4 outer walls of silk braid have bar tooth portion 41 along the processing of axis direction, bar tooth portion 41 meshes with the gear 21 at 2 middle parts of gear shaft, in operation, remove along the axis of lead screw 3 through silk braid 4, through the cooperation of bar tooth portion 41 with the gear 21 at 2 middle parts of gear shaft, it is rotatory to drive gear shaft 2.

Specifically, 5 quantity of rotor plates are a pair of, and 4 both sides of silk braid are located to the parallel, and 5 rear ends of rotor plates are fixed hinge structure, and bar hole 51 has been seted up along length direction to its middle section, and 4 both sides of silk braid all are equipped with round pin axle 42, and round pin axle 42 slides respectively and locates in the bar hole 51 of both sides rotor plates 5, when loosening the work piece, rotor plates 5 perpendicular to silk braid 4, and silk braid 4 is in the upper portion of lead screw 3.

Specifically, the pressing plate 6 is arranged in front of the rotating plate 5 and above the side ejector rod 1 and used for pressing the top surface of the workpiece.

When a workpiece is loosened, the screw sleeve 4 moves towards the lower part of the screw rod 3, and the front end of the rotating plate 5 is stirred to swing downwards through the pin shaft 42, so that the pressing plate 6 moves upwards, and the workpiece is loosened.

When a workpiece is clamped, the screw sleeve 4 moves towards the upper part of the screw rod 3, so that the front end of the rotating plate 5 is driven to move upwards, the pressing plate 6 moves downwards, and the workpiece is pressed tightly.

The screw rod 3 and the screw sleeve 4 are used as a clamping driving mechanism of the clamping tool, the workpiece is clamped and loosened only by rotating the screw rod 3, and the screw sleeve 4 is driven to move through the screw rod 3, so that the side ejector rod 1 compresses the side surface of the workpiece, the pressing plate 6 compresses the top surface of the workpiece, or the side ejector rod 1 and the pressing plate 6 simultaneously loosen the workpiece.

More specifically, the structure that the rotating plate 5 drives the pressing plate 6 is as shown in fig. 1 and 4, the connecting plate 7 is rotatably arranged at the front end of the rotating plate 5, the rotating axis is parallel to the axis of the hinged position of the rear end of the rotating plate 5, the pressing plate 6 is provided with a pair of arc-shaped plates 61, the bottoms of the arc-shaped plates 61 are fixedly hinged, the front end of the connecting plate 7 is rotatably connected to the middle section of the arc-shaped plates 61, the rotating axis is parallel to the axis of the hinged position of the rear end of the rotating plate 5, and the connecting plate 7 is located between the pair of arc-shaped plates 61.

As shown in fig. 4, when the workpiece is loosened, the front end of the rotating plate 5 swings downward, so that the arc plate 61 is pulled through the connecting plate 7, and the arc plate 61 swings to one side of the rotating plate 5 around the hinged position of the bottom, so that the pressing plate 6 moves upward, and the loosening action of the workpiece is realized.

As shown in fig. 1 and 2, when a workpiece is clamped, the front end of the movable rotating plate 5 moves upward, and the connecting plate 7 pushes the arc-shaped plate 61 to rotate around the hinged position of the bottom part towards the direction of the pressing plate 6, so that the pressing plate 6 moves downward, and the workpiece is pressed.

Preferably, as shown in fig. 1, the clamping tool further comprises a base 8 for mounting the side mandril 1, the gear shaft 2 and the screw rod 3, the pressing plate 6 is located above the top surface of the base 8, and the top surface of the base 8 is used for placing a workpiece. The base 8 is provided with a pair of baffles 81, and the baffles 81 are provided in front of the pressing direction of the side lift pins 1 to restrict the degree of freedom of the other side surface of the workpiece.

Preferably, the top of the screw rod 3 is provided with a rotating disc 31 for facilitating manual operation.

The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the utility model. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the utility model.

Claims

1. The utility model provides a quick centre gripping frock which characterized in that includes:

the side ejector rods (1) are arranged in parallel, and the outer walls of the rear sections of the side ejector rods, which are positioned on the same plane, are provided with strip-shaped teeth (11) along the length direction;

the middle part and the two ends of the gear shaft (2) are respectively provided with a gear (21), the gear shaft (2) is vertical to the side ejector rod (1), and the gears (21) at the two ends of the gear shaft (2) are respectively meshed with the strip-shaped teeth (11) of the side ejector rod (1);

the screw rod (3) is arranged in the middle of the pair of side ejector rods (1), and the screw rod (3) is perpendicular to the side ejector rods (1) and the gear shaft (2) at the same time;

the screw sleeve (4) is of a tubular structure and is sleeved outside the screw rod (3) in a threaded fit mode, the screw rod (3) rotationally drives the screw sleeve (4) to move along the axis direction, the relative circumferential position between the screw sleeve (4) and the screw rod (3) is kept fixed, a strip-shaped tooth part (41) is machined on the outer wall of the screw sleeve (4) along the axis direction, and the strip-shaped tooth part (41) is meshed with a gear (21) in the middle of the gear shaft (2);

the rotary plates (5) are arranged on two sides of the screw sleeve (4) in parallel, the rear end of each rotary plate (5) is of a fixed hinged structure, strip-shaped holes (51) are formed in the middle section of each rotary plate along the length direction, pin shafts (42) are arranged on two sides of the screw sleeve (4), the pin shafts (42) are respectively arranged in the strip-shaped holes (51) on the two sides in a sliding mode, when a workpiece is loosened, the rotary plates (5) are perpendicular to the screw sleeve (4), and the screw sleeve (4) is located on the upper portion of the screw rod (3);

and the pressing plate (6) is arranged in front of the rotating plate (5), is positioned above the side ejector rod (1) and is used for pressing the top surface of the workpiece.

2. The quick clamping tool according to claim 1, wherein a connecting plate (7) is rotatably arranged at the front end of the rotating plate (5), the rotating axis is parallel to the axis of the hinged position of the rear end of the rotating plate (5), the pressing plate (6) is provided with a pair of arc plates (61), the bottoms of the arc plates (61) are fixedly hinged, the front end of the connecting plate (7) is rotatably connected to the middle section of the arc plates (61), the rotating axis is parallel to the axis of the hinged position of the rear end of the rotating plate (5), and the connecting plate (7) is located between the pair of arc plates (61).

3. The rapid clamping tool according to claim 1, further comprising a base (8) for mounting the side ejector rod (1), the gear shaft (2) and the screw rod (3), wherein the pressing plate (6) is located above the top surface of the base (8), the top surface of the base (8) is used for placing a workpiece, the base (8) is provided with a pair of baffles (81), and the baffles (81) are arranged in front of the pressing direction of the side ejector rod (1) and used for limiting the degree of freedom of the other side surface of the workpiece.

4. The quick clamping tool according to claim 1, wherein a turntable (31) is arranged at the top of the screw rod (3).