Positioning device with buffering function

Abstract

The utility model discloses a positioning device with a buffering function, which comprises a base, a positioning device, a buffering device and a positioning device, the guide column abuts against the side face of the workpiece; the horizontal positioning mechanism is used for clamping and positioning a connecting plate extending outwards from the side face of the workpiece and comprises a first base, a first clamping block and a second clamping block, and the first clamping block and the second clamping block are arranged on the first base; the vertical positioning mechanism is used for clamping and positioning the upper end face and the lower end face of the workpiece in cooperation with the guide column, the first positioning seat or the second positioning seat and comprises a second base and a pressing block, the center of the pressing block is hinged to the second base through a chain, a connecting rod is hinged to the rear end of the pressing block, and buffer blocks are arranged at the tops of the first positioning seat and the second positioning seat. Compared with a common positioning jig, the positioning device can realize quick, stable, multi-dimensional and quality-damage-free positioning of workpieces with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning fixtures, in particular to a positioning device with a buffering function. Background Art

[0002] The existing positioning jigs and devices have simple positioning structures and single positioning dimensions. They have poor positioning effects on complex workpieces with many surface protrusions. During positioning and processing, the workpiece is easily displaced on the jig, resulting in collisions between the jig and the workpiece, which damages the quality of the workpiece. In addition, the assembly positioning operation efficiency of the workpiece on the jig is low. Utility Model Content

[0003] The purpose of the utility model is to provide a positioning device with a buffering function to solve the problems that the existing positioning jigs and devices have simple positioning structures and single positioning dimensions, and have poor positioning effects on workpieces with many complex surface protrusion structures, so that the workpiece is easily displaced on the jig during positioning and processing, resulting in collisions between the jig and the workpiece, which damages the quality of the workpiece, and the assembly positioning operation efficiency of the workpiece on the jig is low.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a positioning device with a buffering function, comprising:

[0005] Base;

[0006] A guide pin abuts against a side surface of the workpiece;

[0007] A horizontal positioning mechanism, which is used for clamping and positioning the connecting plate extending outward from the side of the workpiece, and comprises a first base and a first clamping block and a second clamping block on the first base;

[0008] A vertical positioning mechanism, which cooperates with the guide column, the first positioning seat or the second positioning seat to clamp and position the upper and lower end surfaces of the workpiece, includes a second base, a pressure block hinged to the second base through a chain in the middle, a connecting rod hinged at the rear end of the pressure block, and a buffer block is arranged on the top of the first positioning seat and the second positioning seat.

[0009] As a further description of the above technical solution:

[0010] The guide column abuts against the notch on the side surface of the workpiece.

[0011] As a further description of the above technical solution:

[0012] A slide groove is arranged on the first base, and the second clamping block is slidably arranged on the slide groove through a first cylinder. The first clamping block is arranged relative to the second clamping block and assembled on the first base.

[0013] As a further description of the above technical solution:

[0014] The horizontal positioning mechanism is arranged inside the vertical positioning mechanism.

[0015] As a further description of the above technical solution:

[0016] The second base is assembled on the shell of the second cylinder, and the connecting rod is connected to the telescopic shaft of the second cylinder.

[0017] As a further description of the above technical solution:

[0018] The second positioning seat abuts against the connecting column of the workpiece.

[0019] As a further description of the above technical solution:

[0020] A support mechanism is arranged below the fin of the workpiece, a support block on the support mechanism abuts against the fin, and the support block is an elastic or flexible structure.

[0021] In summary, due to the adoption of the above technical solution, the utility model has the following advantages compared with the prior art:

[0022] Beneficial effects:

[0023] The positioning device uses guide columns to perform alignment guidance and horizontal limit, and the vertical positioning mechanism cooperates with the guide columns to accurately move and position the workpiece. During this period, the buffer block on the positioning seat performs movement buffering and pre-tightening positioning on the workpiece; the supporting mechanism elastically supports and embeds the fins of the workpiece for positioning; the horizontal positioning mechanism drives the connecting plate of the workpiece for adjustable clamping positioning. The above structure can realize fast, stable, multi-dimensional, and quality-damage-free positioning of workpieces of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 The figure is a usage status diagram of a positioning device with a buffering function.

[0026] Figure 2 This is a general state diagram of a positioning device with a buffering function.

[0027] Figure 3 The figure is a schematic diagram of the structure of a positioning device with a buffering function corresponding to a workpiece.

[0028] Legend:

[0029] 1. Base; 2. Guide column; 3. Horizontal positioning mechanism; 31. First base; 32. Slide groove; 33. First clamping block; 34. Second clamping block; 35. First cylinder; 4. Vertical positioning mechanism; 41. Second cylinder; 42. Second base; 43. Chain; 44. Pressing block; 5. First positioning seat; 6. Second positioning seat; 61. Buffer block; 7. Support mechanism; 71. Support block; 8. Workpiece; 81. Notch; 82. Connecting plate; 83. Connecting column; 84. Fin. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0032] See also Figure 1-3 The utility model provides a technical solution: a positioning device with a buffering function, comprising:

[0033] Base 1;

[0034] A guide post 2 abuts against a side surface of a workpiece 8;

[0035] A horizontal positioning mechanism 3, which is used for clamping and positioning the connecting plate 82 extending outward from the side of the workpiece 8, and includes a first base 31 and a first clamping block 33 and a second clamping block 34 on the first base 31;

[0036] The vertical positioning mechanism 4 cooperates with the guide column 2, the first positioning seat 5 or the second positioning seat 6 to clamp and position the upper and lower end surfaces of the workpiece 8, and includes a second base 42, a pressure block 44 hinged to the second base 42 through a chain 43 in the center, and a connecting rod is hinged at the rear end of the pressure block 44. A buffer block 61 is set on the top of the first positioning seat 5 and the second positioning seat 6.

[0037] The guide post 2 abuts against a notch 81 on the side surface of the workpiece 8 .

[0038] The first base 31 is provided with a slide groove 32 , and the second clamping block 34 is slidably disposed on the slide groove 32 through a first cylinder 35 . The first clamping block 33 is disposed opposite to the second clamping block 34 and assembled on the first base 31 .

[0039] The horizontal positioning mechanism 3 is arranged inside the vertical positioning mechanism 4 .

[0040] The second base 42 is assembled on the housing of the second cylinder 41 , and the connecting rod is connected to the telescopic shaft of the second cylinder 41 .

[0041] The second positioning seat 6 abuts against the connecting column 83 of the workpiece 8 .

[0042] A support mechanism 7 is arranged below the fin 84 of the workpiece 8, and a support block 71 on the support mechanism 7 abuts against the fin 84. The support block 71 is an elastic or flexible structure, which can flexibly support the bottom of the fin, thereby further improving the support and positioning of the entire workpiece and avoiding a large squeezing force on the fin to cause damage to the workpiece quality.

[0043] The working principle of a positioning device with a buffering function in this embodiment includes: when in use, align the side surface of the workpiece 8 and the notch 81 with the guide column 2 and the first clamping block 33, and initially press in along the side surface thereof; the second cylinder 41 drives one side of the pressing block 44 to lift, so that the other side of the pressing block 44 abuts against the upper end surface of the workpiece 8 and the connecting plate 82, and cooperates with the guide column 2 to realize the vertical direction limit and positioning of the workpiece 8. During this period, the chain 43 cooperates with the pressing block 44 to move synchronously to realize stable guiding and positioning, the buffer block 61 on the first positioning seat 5 buffers and receives the workpiece 8 and the lower end surface of the connecting plate 82, the second positioning seat 6 buffers and abuts against the connecting column 83, and pre-tightens the workpiece 8 after positioning to ensure stable positioning; the support block 71 elastically supports the fin 84 of the workpiece 8, and can also be designed for embedded positioning; the first cylinder 35 drives the second clamping block 34 to slide toward the first clamping block 33 in the slide groove 32 to realize the clamping and positioning of the connecting plates 82 of different widths, thereby realizing the rapid positioning of the workpiece 8 as a whole. The guide column 2, the horizontal positioning mechanism 3, the vertical positioning mechanism 4, the first positioning seat 5, the second positioning seat 6 and the supporting mechanism 7 are all assembled on the base 1 in a quick-detachable manner, thereby enabling fast, stable and multi-dimensional positioning of workpieces 8 of different sizes.

[0044] In summary, due to the adoption of the above technical solution, the positioning device with a buffering function of this embodiment has the following beneficial effects compared with the prior art:

[0045] The positioning device uses guide columns to perform alignment guidance and horizontal limit, and the vertical positioning mechanism cooperates with the guide columns to accurately move and position the workpiece. During this period, the buffer block on the positioning seat performs movement buffering and pre-tightening positioning on the workpiece; the supporting mechanism elastically supports and embeds the fins of the workpiece for positioning; the horizontal positioning mechanism drives the connecting plate of the workpiece for adjustable clamping positioning. The above structure can realize fast, stable, multi-dimensional, and quality-damage-free positioning of workpieces of different sizes.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A positioning device with a buffering function, characterized in that: include: Base; A guide pin abuts against a side surface of the workpiece; A horizontal positioning mechanism, which is used for clamping and positioning the connecting plate extending outward from the side of the workpiece, and comprises a first base and a first clamping block and a second clamping block on the first base; A vertical positioning mechanism, which cooperates with the guide column, the first positioning seat or the second positioning seat to clamp and position the upper and lower end surfaces of the workpiece, includes a second base, a pressure block hinged to the second base through a chain in the middle, a connecting rod hinged at the rear end of the pressure block, and a buffer block is arranged on the top of the first positioning seat and the second positioning seat.

2. A positioning device with a buffering function according to claim 1, characterized in that: The guide column abuts against the notch on the side surface of the workpiece.

3. A positioning device with a buffering function according to claim 1, characterized in that: A slide groove is arranged on the first base, and the second clamping block is slidably arranged on the slide groove through a first cylinder. The first clamping block is arranged relative to the second clamping block and assembled on the first base.

4. A positioning device with a buffering function according to claim 1, characterized in that: The horizontal positioning mechanism is arranged inside the vertical positioning mechanism.

5. A positioning device with a buffering function according to claim 1, characterized in that: The second base is assembled on the shell of the second cylinder, and the connecting rod is connected to the telescopic shaft of the second cylinder.

6. A positioning device with a buffering function according to claim 1, characterized in that: The second positioning seat abuts against the connecting column of the workpiece.

7. A positioning device with a buffering function according to claim 1, characterized in that: A support mechanism is arranged below the fin of the workpiece, a support block on the support mechanism abuts against the fin, and the support block is an elastic or flexible structure.

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