Pin extending and clamping synchronous positioning mechanism
By designing a synchronous positioning mechanism for extending pins and clamping with a four-link structure, the problem of inability to synchronize positioning and clamping actions in the prior art is solved, and the mechanism is simplified and space saving is achieved.
Patent Information
- Application Number
- CN202420171870.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-24
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-01-24
AI Technical Summary
In the prior art, the positioning of objects in the fixture design requires the use of a positioning pin and a clamping block, which results in the use of two cylinders and cannot be performed simultaneously, resulting in complex mechanisms and large space occupancy.
A synchronous positioning mechanism for the extension pin and clamping is designed, adopting a four-link structure, which drives the movement of the telescopic pin and the pressure plate through the cylinder to achieve synchronous operation of positioning and clamping.
The extension pin and clamping mechanism are simplified, the use of cylinders is reduced, the complexity and space occupancy of the mechanism are reduced.
Smart Images
Figure CN222472175U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile manufacturing equipment, and in particular relates to a synchronous positioning mechanism for extending and clamping a pin. Background Art
[0002] At present, in the process of fixture design, the positioning of the object is achieved by using a positioning pin and a clamping block in combination, but the two actions require the use of two cylinders and cannot be performed synchronously, the mechanism occupies a large space, and the mechanism is complex. Utility Model Content
[0003] The utility model aims to provide a pin extension and clamping synchronous positioning mechanism to solve the problems existing in the prior art.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pin extension and clamping synchronous positioning mechanism, comprising a cylinder, a main body, an active rod, an arc-shaped connecting rod, a supporting connecting rod, a telescopic pin, an upper base, a connecting plate, a connecting arm and a pressure plate; the cylinder is fixed on one side of the main body, the piston rod of the cylinder is connected to one end of the active rod, the upper base is fixed to the upper part of the main body, a coaxial through hole is provided in the middle of the two, the telescopic pin is slidably matched with the through hole and extends and retracts from the upper part of the upper base, The lower part of the telescopic pin is hinged to one end of the arc-shaped connecting rod, the other end of the arc-shaped connecting rod is hinged to the middle part of the active rod, the end of the active rod is hinged to one end of the supporting connecting rod, the other end of the supporting connecting rod is hinged to the lower end of the connecting arm, the side of the connecting arm is hinged to the connecting plate, the connecting plate consists of two pieces, which are respectively fixed to the side of the main body by bolts, the upper part of the connecting arm is fixed to the pressure plate, one end of the pressure plate has a strip groove, and the telescopic pin leaks out from the position of the strip groove.
[0005] Preferably, a stopper is provided on one side of the upper base.
[0006] Preferably, a handle is installed at the other end of the pressing plate.
[0007] Preferably, a protective cover is installed at the lower part of the main body.
[0008] Preferably, the two connecting plates are slidably matched with the connecting arms.
[0009] The beneficial effects of the utility model are as follows: the device adopts a four-link structure, can position the workpiece through the positioning pin, and can press the workpiece at the same time, simplifies the pin extension and clamping mechanism, reduces the use of cylinders, and reduces the space occupied by the mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a three-dimensional diagram of the utility model;
[0011] Figure 2 It is a cross-sectional view of the utility model;
[0012] Figure 3 A three-dimensional diagram of the utility model viewed from above;
[0013] Figure 4 A three-dimensional diagram of the installation of the protective cover in the utility model;
[0014] Figure 5 It is an application schematic diagram of the utility model. DETAILED DESCRIPTION
[0015] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings and preferred embodiments.
[0016] like Figure 1-2 As shown, a pin extension and clamping synchronous positioning mechanism comprises a cylinder 1, a main body 2, an active rod 3, an arc-shaped connecting rod 4, a supporting connecting rod 5, a telescopic pin 6, an upper base 7, a connecting plate 8, a connecting arm 9 and a pressure plate 10; the cylinder is fixed on one side of the main body, the piston rod of the cylinder is connected to one end of the active rod, the upper base is fixed to the upper part of the main body, and a coaxial through hole 11 is provided in the middle of the two, the telescopic pin slides with the through hole and extends and retracts from the upper part of the upper base, the lower part of the telescopic pin is hinged to one end of the arc-shaped connecting rod, the other end of the arc-shaped connecting rod is hinged to the middle part of the active rod, the end of the active rod is hinged to one end of the supporting connecting rod, the other end of the supporting connecting rod is hinged to the lower end of the connecting arm, the side of the connecting arm is hinged to the connecting plate, the connecting plate is two pieces, which are respectively fixed to the side of the main body by bolts, and the two connecting plates slide with the connecting arm. The upper part of the connecting arm is fixedly connected to the pressing plate, and one end of the pressing plate has a strip groove 12, and the telescopic pin leaks out from the position of the strip groove. The cylinder can drive the telescopic pin to move up and down, and at the same time can drive the pressing plate to press the workpiece.
[0017] In order to position the workpiece, a stopper 13 is provided on one side of the upper base.
[0018] In order to assist the cylinder, the other end of the pressing plate is provided with a handle 14. When in use, it is necessary to manually pull the handle upwards to drive the connecting rod to extend the positioning pin, and the cylinder is ventilated to keep the extended pin in a compacted state.
[0019] In order to protect the active connecting rod, the arc connecting rod and the supporting connecting rod, a protective cover 15 is installed at the lower part of the main body.
[0020] When the utility model is used for positioning, pre-compression is required, and the handle connected to the pressure arm end is manually pulled to drive the connecting rod to move, and the connecting rod drives the positioning pin to move synchronously. The pre-compression of the workpiece 16 is completed, and the cylinder is ventilated to maintain the compression state.
[0021] It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.
Claims
1. A pin extension and clamping synchronous positioning mechanism, characterized in that: The cam is connected with the upper and lower parts of the cam, and the lower part of the cam is connected with the upper and lower parts of the cam.
2. The pin extension and clamping synchronous positioning mechanism according to claim 1 is characterized in that: A stopper is provided on one side of the upper base.
3. The pin extension and clamping synchronous positioning mechanism according to claim 1 is characterized in that: A handle is installed at the other end of the pressing plate.
4. The pin extension and clamping synchronous positioning mechanism according to claim 1, characterized in that: A protective cover is installed at the lower part of the main body.
5. The pin extension and clamping synchronous positioning mechanism according to claim 1, characterized in that: The two connecting plates are slidably matched with the connecting arms.