Self-adaptive clamping device for cambered surface shell machining

Abstract

The utility model discloses a self-adaptive clamping device for processing a cambered surface shell, which relates to the technical field of processing equipment, and comprises a box body, two sides of the top end of the box body are respectively connected with two clamping components in a sliding manner, each clamping component comprises a mounting shell which is connected with one side of the top end of the box body in a sliding manner, and the inner wall of the mounting shell is connected with a sliding bracket in a sliding manner; a first spring is installed in the middle of the top end of the sliding support, a clamp is connected to the end, away from the sliding support, of the first spring, two rotating blocks abut against the two sides of the end, close to the first spring, of the clamp respectively, and the end, away from the clamp, of each rotating block abuts against one side of the top end of the sliding support. According to the automatic clamping device, the clamping assembly is utilized to enable the lower pressing plate to be matched with the clamp to automatically adapt to shells with different cambered surfaces, clamping parameters do not need to be frequently adjusted or a clamping device does not need to be frequently replaced, and the overall efficiency of a production line is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing equipment technical field, concretely is a kind of self-adapting clamping device for cambered surface shell processing. BACKGROUND

[0002] Clamping device is the device for fixing and clamping workpiece to carry out various processing operations, clamping device is widely used in machining, automobile manufacturing, aerospace, electronic manufacturing and so on many fields, in machining, clamping device is used to fix workpiece to carry out cutting, grinding and other processing operations;In automobile manufacturing, clamping device is used to assemble various parts on production line;In aerospace field, clamping device needs to withstand high temperature, high pressure and other extreme environment;In electronic manufacturing, clamping device is used to accurately clamp and position various tiny electronic components.

[0003] In automobile industry, there can be cambered surface shell that needs to be fixed by clamping device, the shell, interior trim and other parts of automobile can use cambered surface shell, cambered surface shell not only improves the overall aesthetic degree of automobile, but also can reduce vehicle weight to some extent and improve fuel economy.

[0004] In prior art, traditional clamping device can only adapt to shell of specific size or shape, when different size shell needs to be processed, clamping device needs to be replaced or clamping parameter needs to be adjusted, which affects the smoothness of production line, can cause processing cycle to be prolonged, cannot meet the market demand of rapid change, and also increases operation complexity, and reduces processing efficiency. UTILITY MODEL CONTENT

[0005] The utility model is to provide a kind of self-adapting clamping device for cambered surface shell processing to solve the problems raised in the above background.

[0006] To solve the above technical problems, the utility model provides a kind of self -adaptation clamping device for cambered shell processing, including box, two clamping components are slidably connected with the top of the box respectively, each clamping component includes the installation shell slidably connected with the top of the box, the inner wall of installation shell is slidably connected with sliding support, the top of sliding support is installed with first spring, the end of first spring away from sliding support is connected with clamp, clamp is pressed by shell, by the elastic action of first spring, it is moved downward and drives sliding support to slide along the inner wall of installation shell, the end of clamp close to first spring is respectively connected with two rotating blocks, the end of each rotating block away from clamp is connected with the top of sliding support, the inner wall of installation shell is respectively installed with second spring, the end of second spring is fixedly connected with installation shell, the other end of second spring is fixedly connected with the top of sliding support, the movement of sliding support simultaneously drives two rotating blocks to rotate, the rotation of rotating block further compresses second spring, the top of sliding support is installed with first slide, the top of installation shell is installed with second slide, the outer wall of two second slides is slidably connected with lower plate, the outer portion of second slide is equipped with third spring, lower plate is moved downward under the action of second slide and third spring, and self -adaptation clamping of workpiece is realized by cooperation with clamp.

[0007] Further, the inner wall of the installation shell is provided with a hydraulic rod, the output end of the hydraulic rod is connected with a fixed block, the top of the fixed block is fixedly connected with a first rack, the fixed block is driven to move after the hydraulic rod is started, the fixed block drives the first rack to slide along the top of the box, the outer wall of one side of the first rack is engagedly connected with a gear, the middle part of the gear is rotatably connected with a rotating shaft, the outer wall of one side of the gear away from the first rack is engagedly connected with a second rack, the movement of the first rack drives the second rack to move in the opposite direction through the transmission of the gear, so as to adjust the distance between the two clamping components.

[0008] Further, the end away from the first rack and the second rack of the first rack and the second rack is provided with a clamping component, the bottom of the two installation shells is fixedly connected with one end of the first rack and the second rack, and the clamping component is additionally provided at the end of the first rack and the second rack, so that the clamping range of the component is expanded, and the applicability of the device is improved.

[0009] Further, one end of the first spring is fixedly connected with the outer wall of the sliding support, and the other end of the first spring away from the sliding support is fixedly connected with the bottom of the clamp, so that the first spring can ensure that the clamp maintains a certain tension and stability when clamping the workpiece, and the clamp can closely fit the surface of the workpiece.

[0010] Further, the outer wall of the two first slides is slidably connected with the inner wall of the installation shell, and the top of the clamp is provided with a cambered surface, so that the clamp can fit more closely when contacting the workpiece, and the clamping force is dispersed at the same time, so as to avoid damage caused by excessive local pressure on the workpiece.

[0011] Further, the material of the clamp and the pressing plate is anti-skid material, and the opposite sides of the clamp and the pressing plate are paved with anti-skid lines, so that the friction between the clamp, the pressing plate and the workpiece is improved.

[0012] Further, the outer wall of the hydraulic rod is fixedly connected with the inner wall of the box body, and the output end of the hydraulic rod is fixedly connected with the outer wall of one side of the fixed block, so that the hydraulic rod is prevented from loosening or falling off due to vibration or external force interference, and the safety of the assembly is improved.

[0013] Further, the bottom end of the first rack and the second rack is slidably connected with the top end of the box body, and one end of the rotating shaft is fixedly connected with the top end of the mounting shell, so that the movement between the components is smooth.

[0014] Compared with the prior art, the beneficial effects of the utility model are that the cooperation of the pressing plate and the clamp of the clamping assembly automatically adapts to different arc shell bodies, frequent adjustment of clamping parameters or replacement of clamping devices is not needed, and the overall efficiency of the production line is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of a self-adaptive clamping device for arc shell body machining.

[0016] Figure 2 It is a structure schematic view of a clamping assembly in a self-adaptive clamping device for arc shell body machining.

[0017] Figure 3 It is a perspective view of a clamping assembly in a self-adaptive clamping device for arc shell body machining.

[0018] Figure 4 It is a perspective view of one side of a pressing plate in a self-adaptive clamping device for arc shell body machining.

[0019] Figure 5 It is a structure schematic view of the inside of a box body in a self-adaptive clamping device for arc shell body machining.

[0020] In the drawing:

[0021] 1, box body; 2, mounting shell; 3, sliding support; 4, first spring; 5, clamp; 6, rotating block; 7, second spring; 8, first sliding rod; 9, second sliding rod; 10, pressing plate; 11, third spring; 12, hydraulic rod; 13, fixed block; 14, first rack; 15, gear; 16, rotating shaft; 17, second rack. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0023] Please refer to Figure 1 - Figure 5 The utility model provides a kind of self-adaptive clamping device for processing cambered shell technical scheme:

[0024] In the embodiments of the present utility model, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 Including box 1, the top end both sides of box 1 are slidably connected with two clamping components respectively, each clamping component includes the installation shell 2 slidably connected with the top end one side of box 1, installation shell 2 is slidably connected with the top end of box 1, to adjust clamping point, the inner wall of installation shell 2 is slidably connected with sliding bracket 3, ensure that sliding bracket 3 can slide on the inner wall of installation shell 2, ensure the coherence between components, the top end middle part of sliding bracket 3 is equipped with first spring 4, provide elastic support, so that sliding bracket 3 can be linked with subsequent components, one end of first spring 4 away from sliding bracket 3 is connected with clamp 5, the top end of clamp 5 is provided with camber, increase the contact area between clamp 5 and workpiece, improve the stability of clamping, meanwhile, the material of clamp 5 is antiskid material, effectively prevent workpiece from falling due to vibration or external force when processing, one end of clamp 5 close to first spring 4 both sides is respectively connected with two rotating blocks 6, rotating block 6 is rotatably connected with the inner wall of installation shell 2, the top end one side of each rotating block 6 away from clamp 5 is rotatably connected with sliding bracket 3, the inner wall both sides of installation shell 2 are respectively equipped with second spring 7, one end of second spring 7 is fixedly connected with installation shell 2, the other end of second spring 7 is fixedly connected with the top end outer wall of sliding bracket 3, when clamp 5 is pressed by workpiece, rotating block 6 will rotate and compress second spring 7, realize self-adaptive clamping, and second spring 7 provides reset force for subsequent rotating block 6, the top end both sides of sliding bracket 3 are equipped with first slide bar 8, responsible for ensuring the stability of sliding bracket 3 in the inner wall sliding of installation shell 2, limit sliding direction, the top end both sides of installation shell 2 are equipped with second slide bar 9, the outer wall of two second slide bars 9 is slidably connected with lower pressing plate 10, second slide bar 9 is used to support lower pressing plate 10 and realize its up and down sliding, third spring 11 is provided on the outside of second slide bar 9.

[0025] Please refer to Figure 5The inner wall of the mounting shell 2 is provided with a hydraulic rod 12, the outer wall of the hydraulic rod 12 is fixedly connected with the inner wall of the box body 1, so that the stability of the connection is guaranteed, the output end of the hydraulic rod 12 is connected with a fixing block 13, when the hydraulic rod 12 is started, the fixing block 13 is pushed to move linearly along the inner wall of the mounting shell 2, the top end of the fixing block 13 is fixedly connected with a first rack 14, when the fixing block 13 moves, the first rack 14 also moves, one side of the outer wall of the first rack 14 is engagedly connected with a gear 15, the middle part of the gear 15 is rotatably connected with a rotating shaft 16, when the first rack 14 moves and engages with the gear 15, the gear 15 starts to rotate, the outer wall of the side, away from the first rack 14, of the gear 15 is engagedly connected with a second rack 17, in the same way, when the gear 15 rotates, it drives the second rack 17 to move linearly, and the direction is opposite to that of the first rack 14.

[0026] Referring to Figure 1 The far ends of the first rack 14 and the second rack 17 are both provided with clamping assemblies, the bottom ends of the two mounting shells 2 are fixedly connected with the ends of the first rack 14 and the second rack 17, and the two clamping assemblies can expand the clamping range, so that the applicability and practicality of the device are improved.

[0027] Working principle: the worker only needs to lift the lower pressing plate 10, places the workpiece between the lower pressing plate 10 and the clamp 5, and then releases the lower pressing plate 10, so that the third spring 11 drives the lower pressing plate 10 to press the workpiece downward, then the clamp 5 is displaced downward while the sliding support 3 is lifted, so that the workpiece is stably clamped, the clamping parameters do not need to be frequently adjusted, self-adaption is realized, the machining cycle is shortened, and the overall efficiency of the production line is improved.

Claims

1. A self-adaptive clamping device for processing a cambered shell, comprising a box body (1), characterized in that: The top end of the box (1) is slidably connected with two clamping assemblies respectively, each clamping assembly comprises an installation shell (2) slidably connected with one side of the top end of the box (1), the inner wall of the installation shell (2) is slidably connected with a sliding support (3), the top end of the sliding support (3) is provided with a first spring (4), the end of the first spring (4) away from the sliding support (3) is connected with a clamp (5), the two sides of the end of the clamp (5) close to the first spring (4) are respectively abuttingly connected with two rotating blocks (6), the end of each rotating block (6) away from the clamp (5) is abuttingly connected with one side of the top end of the sliding support (3), the inner wall of the installation shell (2) is provided with a second spring (7) on both sides, one end of the second spring (7) is fixedly connected with the installation shell (2), the other end of the second spring (7) is fixedly connected with the top end of the outer wall of the sliding support (3), the top end of the sliding support (3) is provided with a first sliding rod (8) on both sides, the top end of the installation shell (2) is provided with a second sliding rod (9) on both sides, the outer wall of the second sliding rod (9) is slidably connected with a pressing plate (10), the third spring (11) is arranged outside the second sliding rod (9).

2. The self-adapting clamping device for processing a cambered shell according to claim 1, characterized in that: The inner wall of the installation shell (2) is provided with a hydraulic rod (12), the output end of the hydraulic rod (12) is connected with a fixed block (13), the top end of the fixed block (13) is fixedly connected with a first rack (14), the outer wall of one side of the first rack (14) is meshingly connected with a gear (15), the middle part of the gear (15) is rotatably connected with a rotating shaft (16), the outer wall of one side of the gear (15) away from the first rack (14) is meshingly connected with a second rack (17).

3. The self-adapting clamping device for processing a surface of a cambered shell according to claim 2, characterized in that: The end of the first rack (14) and the second rack (17) away from each other is provided with a clamping assembly, the bottom end of the installation shell (2) is fixedly connected with one end of the first rack (14) and the second rack (17).

4. The self-adapting clamping device for processing a surface of a cambered shell according to claim 3, characterized in that: One end of the first spring (4) is fixedly connected with the outer wall of the sliding support (3), the end of the first spring (4) away from the sliding support (3) is fixedly connected with the bottom end of the clamp (5).

5. The self-adapting clamping device for processing a surface of a cambered shell according to claim 4, characterized in that: The outer wall of the first sliding rod (8) is slidably connected with the inner wall of the installation shell (2), the top end of the clamp (5) is provided with an arc surface.

6. The self-adapting clamping device for processing a surface of a cambered shell according to claim 5, characterized in that: The materials of the clamp (5) and the pressing plate (10) are anti-skid materials, the opposite sides of the clamp (5) and the pressing plate (10) are paved with anti-skid lines.

7. The self-adapting clamping device for processing a surface of a cambered shell according to claim 6, characterized in that: The outer wall of the hydraulic rod (12) is fixedly connected with the inner wall of the box (1), the output end of the hydraulic rod (12) is fixedly connected with one side of the outer wall of the fixed block (13).

8. The self-adapting clamping device for processing a surface of a cambered shell according to claim 7, characterized in that: The bottom end of the first rack (14) and the second rack (17) is slidably connected with the top end of the box (1), one end of the rotating shaft (16) is fixedly connected with the top end of the installation shell (2).

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