CN211565125U

CN211565125U - Centering clamping device

Info

Publication number: CN211565125U
Application number: CN201922030947.8U
Authority: CN
Inventors: 刘翔; 胡通
Original assignee: Ningbo Yituo Intelligent Technology Co ltd
Current assignee: Ningbo Yituo Intelligent Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-09-25
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a centering clamping device, including base plate, first pinch-off blades and second pinch-off blades can move setting up in both sides of base plate respectively, centering clamping device still includes first cylinder and link gear, the first cylinder level is fixed on the base plate, and lie in between first pinch-off blades and the second pinch-off blades, the piston rod of first cylinder is fixed with first pinch-off blades or second pinch-off blades, the link gear is connected between first pinch-off blades and second pinch-off blades, and be used for controlling first pinch-off blades and second pinch-off blades to be close to or keep away from simultaneously; the centering device has the advantages of low cost, small occupied space and good centering precision.

Description

Centering clamping device

Technical Field

The utility model relates to an anchor clamps technical field especially involves a centering clamping device.

Background

In the field of machining, in order to process a product with higher quality, a workpiece is often required to be clamped, and the problem of centering and aligning must be considered for clamping and fixing certain special parts.

The existing commonly used centering and clamping device adopts a two-side additional driving device, the two-side additional driving device drives clamping plates on two sides through two power sources, and the centering and clamping of a workpiece are completed through joint operation, but the device has the following problems: 1. two power sources are adopted, so that on one hand, the cost is high, the later maintenance cost is high, and on the other hand, the occupied space is large; 2. the device can not ensure the centering precision of the workpiece, and has the problem of delayed motion of a power source, thereby influencing the processing quality.

Therefore, it is important to develop a simple and efficient centering and clamping device.

Disclosure of Invention

The utility model aims to provide a centering clamping device that the cost is lower, occupation space is little and the centering precision is good.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a centering clamping device, includes base plate, first clamp plate and second clamp plate, first clamp plate with the second clamp plate respectively portable setting be in the both sides of base plate, centering clamping device still include first cylinder and link gear, first cylinder level fix the base plate on, and be located first clamp plate with the second clamp plate between, the piston rod of first cylinder with first clamp plate or the second clamp plate fixed mutually, link gear connect first clamp plate with the second clamp plate between, and be used for controlling first clamp plate with the second clamp plate be close to simultaneously or keep away from.

The linkage mechanism comprises a rotating shaft, a rotating rod, a first connecting rod and a second connecting rod, wherein the rotating shaft is rotatably arranged on the base plate, the rotating rod is fixed at the upper end of the rotating shaft, a first fixing seat is fixed at the lower end of the first clamping plate, a second fixing seat is fixed at the lower end of the second clamping plate, one end of the first connecting rod is hinged to the first fixing seat, the other end of the first connecting rod is hinged to one end of the rotating rod, one end of the second connecting rod is hinged to the second fixing seat, and the other end of the second connecting rod is hinged to the other end of the connecting rod. In this structure, but the bull stick passes through the pivot horizontal rotation and locates on the base plate, the piston rod of first cylinder is fixed with the inboard side of first pinch-off blades, when first pinch-off blades of first cylinder drive move inwards, effect through first connecting rod, the bull stick atress rotates clockwise, make the bull stick be in with first pinch-off blades or the horizontal state of second pinch-off blades, the other end of bull stick then is close to first pinch-off blades through second connecting rod pulling second pinch-off blades, thereby realize tight purpose, and when first cylinder outwards promoted first pinch-off blades, the bull stick atress anticlockwise rotation, the other end of bull stick promotes the outside motion of second pinch-off blades through the second connecting rod, the purpose of accomplishing to loosen.

The first clamping plate and the base plate are provided with a first guide mechanism between, the first guide mechanism comprises two first sliding blocks fixed on the first clamping plate and two first sliding rails fixed on the base plate, and the first sliding blocks can be slidably arranged on the corresponding first sliding rails. In this structure, adopt the cooperation of first slider and first slide rail, make first clamp plate remove comparatively smoothly from this, and be difficult for the dislocation.

And a second guide mechanism is arranged between the second clamping plate and the substrate and comprises two second sliding blocks fixed on the second clamping plate and two second sliding rails fixed on the substrate, and the second sliding blocks can be slidably arranged on the second sliding rails correspondingly. In this structure, adopt the cooperation of second slider and second slide rail, make the second pinch-off blades remove comparatively smoothly from this, and be difficult for the dislocation.

The lower end of the rotating shaft is coaxially fixed with a bearing, and the outer ring of the bearing is fixed on the substrate. In this structure, the lower extreme of pivot is connected with the base plate through the bearing for the pivot rotates more smoothly like this, and in addition, the upper portion of pivot is special-shaped setting, compares traditional circular setting, and it is more reliable to fix between pivot and the bull stick.

The centering and clamping device further comprises a rack, and a pushing mechanism for pushing the substrate to horizontally and transversely displace is arranged on the rack. In the structure, the arrangement of the pushing mechanism is beneficial to the horizontal left-right movement of the substrate, thereby facilitating the subsequent processing treatment.

The base plate with the frame between be provided with third guiding mechanism, pushing mechanism include the second cylinder, the second cylinder fix the frame on, just the piston rod of second cylinder with one side of base plate fixed mutually. In this structure, the setting up of third mechanism makes base plate atress ability relative frame slip, and the second cylinder is fixed in the frame, because second cylinder and base plate are fixed, when the second cylinder motion, drives the base plate motion to make the work piece move to the region that needs processing, adopt cylinder control, control is accurate and steady.

The third guide mechanism comprises a third sliding block fixed at the lower end of the base plate and a third sliding rail fixed at the upper end of the rack, and the third sliding block can be slidably arranged on the third sliding rail. In this structure, adopt the cooperation of third slider and third slide rail, make the base plate remove comparatively smoothly from this, and be difficult for the dislocation.

The first clamping plate is provided with a plurality of first lightening holes, and the second clamping plate is provided with a plurality of second lightening holes. In the structure, the first lightening holes and the second lightening holes are arranged under the condition that the overall strength is not influenced, so that the weight is reduced, and the quick clamping is facilitated.

The left side and the right side of the middle part of the substrate respectively extend upwards to be fixed with a limiting seat. In the structure, the limiting seat is used for preventing the first clamping plate and the second clamping plate from being too close to each other, so that clamping damage to a workpiece is avoided.

Compared with the prior art, the utility model has the advantages of: the first air cylinder is arranged between the first clamping plate and the second clamping plate, so that the space between the first clamping plate and the second clamping plate is effectively utilized, the occupied space is saved, in addition, the first air cylinder is adopted to directly drive the first clamping plate or the second clamping plate, the response speed is higher, no dead point position exists, and the clamping is more firm; the linkage mechanism is arranged for driving the first clamping plate and the second clamping plate to simultaneously approach or separate after being stressed, so that the purpose of clamping or loosening a workpiece is realized; the device can realize the effect of simultaneous linkage of the first clamping plate and the second clamping plate by adopting one power source, and has the advantages of lower cost, small occupied space and good centering precision.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the utility model during operation;

fig. 2 is a schematic perspective view of the utility model when being matched with a frame;

fig. 3 is a schematic perspective view of the first embodiment of the present invention;

fig. 4 is a schematic perspective view of the second embodiment of the present invention;

fig. 5 is a plan view of the present invention.

Detailed Description

The invention is described in further detail below with reference to the embodiments of the drawings.

The first embodiment is as follows: as shown in the figure, the centering and clamping device comprises a base plate 1, a first clamping plate 2 and a second clamping plate 3, wherein the first clamping plate 2 and the second clamping plate 3 are respectively movably arranged on two sides of the base plate 1, the centering and clamping device further comprises a first air cylinder 4 and a linkage mechanism 5, the first air cylinder 4 is horizontally fixed on the base plate 1 and located between the first clamping plate 2 and the second clamping plate 3, a piston rod of the first air cylinder 4 is fixed with the first clamping plate 2, and the linkage mechanism 5 is connected between the first clamping plate 2 and the second clamping plate 3 and used for controlling the first clamping plate 2 and the second clamping plate 3 to be close to or far away from each other simultaneously.

Example two: as shown in the figure, the other structure is the same as the first embodiment, and the difference is that the linkage mechanism 5 includes a rotating shaft 51, a rotating rod 52, a first connecting rod 53 and a second connecting rod 54, the rotating shaft 51 is rotatably disposed on the substrate 1, the rotating rod 52 is fixed at the upper end of the rotating shaft 51, the lower end of the first clamping plate 2 is fixed with the first fixing seat 21, the lower end of the second clamping plate 3 is fixed with the second fixing seat 31, one end of the first connecting rod 53 is hinged on the first fixing seat 21, the other end of the first connecting rod 53 is hinged on one end of the rotating rod 52, one end of the second connecting rod 54 is hinged on the second fixing seat 31, and the other end of the second connecting rod 54 is hinged on the other end. In the structure, the rotating rod 52 is horizontally and rotatably arranged on the base plate 1 through the rotating shaft 51, the piston rod of the first cylinder 4 is fixed with the inner side of the first clamping plate 2, when the first cylinder 4 drives the first clamping plate 2 to move inwards, the rotating rod 52 is stressed to rotate clockwise through the action of the first connecting rod 53, so that the rotating rod 52 is in a state of being horizontal to the first clamping plate 2 or the second clamping plate 3, the other end of the rotating rod 52 pulls the second clamping plate 3 to be close to the first clamping plate 2 through the second connecting rod 54, thereby achieving the purpose of clamping, when the first cylinder 4 pushes the first clamping plate 2 outwards, the rotating rod 52 is stressed to rotate counterclockwise, and the other end of the rotating rod 52 pushes the second clamping plate 3 to move outwards through the second connecting rod 54, thereby achieving the purpose of loosening.

This device sets up first cylinder 4 between first clamp plate 2 and second clamp plate 3, effectively utilized the space between first clamp plate 2 and the second clamp plate 3, thereby do not occupy extra space, in this embodiment, the piston rod of first cylinder 4 is direct fixed with first clamp plate 2, adopt the first clamp plate of direct drive 2, rethread link gear 5 drives the motion of second clamp plate 3, corresponding speed is more rapid, compare the mode of drive pivot 51, adopt above-mentioned scheme, can make not loosen easily behind the centre gripping work piece, the centre gripping effect is better.

A first guide mechanism is arranged between the first clamping plate 2 and the substrate 1, the first guide mechanism comprises two first sliding blocks 22 fixed on the first clamping plate 2 and two first sliding rails 11 fixed on the substrate 1, and the first sliding blocks 22 are slidably arranged on the corresponding first sliding rails 11. In this structure, the first slide block 22 and the first slide rail 11 are matched, so that the first clamping plate 2 can move smoothly and is not easy to be dislocated.

A second guide mechanism is arranged between the second clamping plate 3 and the substrate 1, the second guide mechanism comprises two second sliding blocks 32 fixed on the second clamping plate 3 and two second sliding rails 12 fixed on the substrate 1, and the second sliding blocks 32 are slidably arranged on the corresponding second sliding rails 12. In this structure, the second slider 32 and the second slide rail 12 are engaged with each other, so that the second clamping plate 3 can move smoothly and is not easy to be dislocated.

A bearing 55 is coaxially fixed to the lower end of the rotating shaft 51, and the outer ring of the bearing 55 is fixed to the substrate 1. In this structure, the lower end of the rotating shaft 51 is connected with the substrate 1 through the bearing 55, so that the rotating shaft 51 can rotate more smoothly, and in addition, the upper part of the rotating shaft 51 is in a special-shaped arrangement, and compared with the traditional round arrangement, the fixing between the rotating shaft 51 and the rotating rod 52 is more reliable.

Example three: as shown in the figures, the other structure is the same as the embodiment, but the difference is that the centering and clamping device further includes a frame 6, and a pushing mechanism 7 for pushing the substrate 1 to horizontally and laterally displace is disposed on the frame 6. In this structure, the arrangement of the pushing mechanism 7 facilitates the horizontal movement of the substrate 1, thereby facilitating the subsequent processing.

A third guide mechanism is arranged between the substrate 1 and the frame 6, the pushing mechanism 7 comprises a second cylinder 71, the second cylinder 71 is fixed on the frame 6, and a piston rod of the second cylinder 71 is fixed with one side of the substrate 1. In this structure, the setting up of third mechanism makes base plate 1 atress ability slide relative to frame 6, and second cylinder 71 is fixed in frame 6, because second cylinder 71 is fixed with base plate 1, when second cylinder 71 moves, drives base plate 1 and moves to make the work piece move to the region that needs the processing, adopt cylinder control, control is accurate and steady.

The third guide mechanism comprises a third sliding block 13 fixed at the lower end of the substrate 1 and a third sliding rail 61 fixed at the upper end of the frame 6, and the third sliding block 13 is slidably arranged on the third sliding rail 61. In this structure, the third slider 13 and the third slide rail 61 are engaged with each other, so that the substrate 1 can move smoothly and is not easy to be dislocated.

The first clamping plate 2 is provided with a plurality of first lightening holes 23, and the second clamping plate 3 is provided with a plurality of second lightening holes 33. In the structure, the arrangement of the first lightening holes 23 and the second lightening holes 33 reduces the weight under the condition of not influencing the overall strength, thereby being beneficial to fast clamping.

The left and right sides of the middle part of the base plate 1 are respectively extended upwards to fix a limiting seat 14.

Claims

1. The utility model provides a centering clamping device, includes base plate, first clamp plate and second clamp plate, first clamp plate with the second clamp plate respectively portable setting in the both sides of base plate which characterized in that: the centering and clamping device further comprises a first air cylinder and a linkage mechanism, the first air cylinder is horizontally fixed on the base plate and is located between the first clamping plate and the second clamping plate, a piston rod of the first air cylinder is fixed with the first clamping plate or the second clamping plate, and the linkage mechanism is connected between the first clamping plate and the second clamping plate and is used for controlling the first clamping plate and the second clamping plate to be close to or far away from each other simultaneously.

2. A centering and clamping device, as claimed in claim 1, wherein: the linkage mechanism comprises a rotating shaft, a rotating rod, a first connecting rod and a second connecting rod, wherein the rotating shaft is rotatably arranged on the base plate, the rotating rod is fixed at the upper end of the rotating shaft, a first fixing seat is fixed at the lower end of the first clamping plate, a second fixing seat is fixed at the lower end of the second clamping plate, one end of the first connecting rod is hinged to the first fixing seat, the other end of the first connecting rod is hinged to one end of the rotating rod, one end of the second connecting rod is hinged to the second fixing seat, and the other end of the second connecting rod is hinged to the other end of the connecting rod.

3. A centering and clamping device, as claimed in claim 1 or 2, characterized in that: the first clamping plate and the base plate are provided with a first guide mechanism between, the first guide mechanism comprises two first sliding blocks fixed on the first clamping plate and two first sliding rails fixed on the base plate, and the first sliding blocks can be slidably arranged on the corresponding first sliding rails.

4. A centering and clamping device, as claimed in claim 1 or 2, characterized in that: and a second guide mechanism is arranged between the second clamping plate and the substrate and comprises two second sliding blocks fixed on the second clamping plate and two second sliding rails fixed on the substrate, and the second sliding blocks can be slidably arranged on the second sliding rails correspondingly.

5. A centering and clamping device, as claimed in claim 2, wherein: the lower end of the rotating shaft is coaxially fixed with a bearing, and the outer ring of the bearing is fixed on the substrate.

6. A centering and clamping device, as claimed in claim 1, wherein: the centering and clamping device further comprises a rack, and a pushing mechanism for pushing the substrate to horizontally and transversely displace is arranged on the rack.

7. A centering and clamping device, according to claim 6, characterized in that: the base plate with the frame between be provided with third guiding mechanism, pushing mechanism include the second cylinder, the second cylinder fix the frame on, just the piston rod of second cylinder with one side of base plate fixed mutually.

8. A centering and clamping device, as claimed in claim 7, wherein: the third guide mechanism comprises a third sliding block fixed at the lower end of the base plate and a third sliding rail fixed at the upper end of the rack, and the third sliding block can be slidably arranged on the third sliding rail.

9. A centering and clamping device, as claimed in claim 1, wherein: the first clamping plate is provided with a plurality of first lightening holes, and the second clamping plate is provided with a plurality of second lightening holes.

10. A centering and clamping device, as claimed in claim 1, wherein: the left side and the right side of the middle part of the substrate respectively extend upwards to be fixed with a limiting seat.