Inverted-hook-shaped jig

Abstract

The utility model relates to the related technical field of jigs, in particular to an inverted-hook-shaped jig which comprises a bottom frame, two sliding grooves are formed in each of the left inner wall and the right inner wall of the bottom frame, every two corresponding sliding grooves in the left-right direction form a group, and the inner wall of each group of sliding grooves is connected with an angle adjusting assembly in a sliding mode. According to the barb-shaped jig, through the arrangement of the first barb assembly and the second barb assembly, when the barb-shaped jig is used, the inner buckle locking effect can be conducted on accessories of different sizes, a first barb clamp can drive a transverse plate to ascend through a first air cylinder, and therefore the clamping width of the first barb clamp is increased through rotation of two connecting rods and a rotating rod; and a second barb clamp can drive a top plate to ascend through a second air cylinder to ascend, the part above the positioning frame can be locked after descending, the small part can be locked, the machining process of the outer surface of the part cannot be affected by the two different clamping modes, and flexibility is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to jig related technical field, especially a kind of inverted hook shape jig. BACKGROUND

[0002] Jig is a woodworking, blacksmith, bench worker, machinery, electric control and other some handicrafts major tool, mainly as a kind of tool to assist control position or action.Jig can be divided into process assembly jig, project test jig and circuit board test jig three categories, in the production engineering of automobile, some automobile accessories need to be locked and positioned using jig during processing operation, to ensure the stability of accessory during processing, it is a common automobile accessory processing tool.

[0003] The existing automobile production accessory jig is mostly clamped and locked from the outer surface of the accessory during use, however, in some specific processing scenarios, such as during paint spraying of the accessory, the jig clamped from the outside will block the accessory to some extent, thereby directly affecting the processing quality of the accessory, and there is room for improvement. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an inverted hook shape jig to solve the problem of blocking the processing process caused by clamping the accessory from the outside during use of the existing jig as described in the background.

[0005] To achieve the above object, the utility model provides the following technical scheme: an inverted hook shape jig, comprising a chassis, two sliding grooves are formed in the left and right inner walls of the chassis, each two left and right corresponding sliding grooves form a group, an angle adjusting assembly is slidably connected to the inner wall of each group of sliding grooves, a positioning frame is rotatably connected to the upper surface of the angle adjusting assembly, a strip-shaped groove is formed in the upper surface of the positioning frame, a first inverted hook assembly is rotatably connected to the inner wall of the strip-shaped groove, and a second inverted hook assembly is fixedly connected to the inner bottom wall of the positioning frame.

[0006] The angle adjusting assembly comprises a driving structure and a rotating structure, and the driving structure is configured to drive the rotating structure to change the angle.

[0007] Preferably, the driving structure comprises a movable plate, a first screw rod and a second screw rod are rotatably connected to the inner bottom wall of each group of sliding grooves, a first sprocket and a second sprocket are fixedly connected to the surfaces of the first screw rod and the second screw rod respectively, a chain is transmissionally connected to the surfaces of the first sprocket and the second sprocket, each group of movable plates is threadedly connected to the surfaces of the first screw rod and the second screw rod respectively, a support block is fixedly connected to the upper surface of each group of movable plates, and a circular hole is formed in the side surface of the support block.

[0008] Preferably, the rotating structure comprises positioning frames, the number of the positioning frames is four, upper surfaces of the four positioning frames are connected with a lower surface of the positioning frame, inner walls of the positioning frames are fixedly connected with circular rods, the circular rods are rotationally connected with inner walls of the circular holes, and the positioning frames are rotationally connected with the supporting blocks through the circular rods and the circular holes.

[0009] Preferably, the first hook assembly comprises rotating rods, the number of the rotating rods is two, the two rotating rods are rotationally connected with inner walls of the strip-shaped grooves, surfaces of the rotating rods are fixedly connected with first hook clamps, and opposite surfaces of the two first hook clamps are rotationally connected with connecting rods.

[0010] Preferably, the inner bottom wall of the positioning frame is fixedly connected with a first air cylinder, an output end of the first air cylinder is fixedly connected with a horizontal plate, and left and right sides of the horizontal plate are rotationally connected with two ends of the two connecting rods away from the first hook clamps.

[0011] Preferably, the second hook assembly comprises a second air cylinder, an output end of the second air cylinder is fixedly connected with a top plate, and an upper surface of the top plate is fixedly connected with two second hook clamps.

[0012] Preferably, the upper surface of the positioning frame is provided with a strip-shaped through hole, sizes of the two hook clamps are matched with a size of the strip-shaped through hole, and the two hook clamps are slidingly connected with an inner wall of the strip-shaped through hole.

[0013] Compared with the prior art, the hook-shaped jig has the beneficial effects that: through the arrangement of the first hook assembly and the second hook assembly, different sizes of accessories can be internally buckled and locked during use, the first hook clamp can be driven by the first air cylinder to ascend the horizontal plate, thereby rotating through the two connecting rods and the rotating rod, so as to expand the clamping width of the first hook clamp, thereby locking the wider accessories, the second hook clamp can be driven by the second air cylinder to ascend the top plate, and after descending, the second hook clamp can press and lock the accessories above the positioning frame, thereby locking the smaller accessories, the two different clamping modes will not affect the outer surface machining process of the accessories, the flexibility is high, the machining operation of the outer surface of the accessories will not be affected, through the arrangement of the angle adjusting assembly, the inclination angle of the accessories can be quickly changed according to actual needs during use, without the need for workers to manually disassemble the accessories, change the angle, and then re-process, thereby greatly improving the processing efficiency of the accessories, and the practicability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a front cross-sectional structure schematic view of the utility model;

[0016] Figure 3The utility model discloses angle adjusting assembly three-dimensional split structure schematic diagram.

[0017] Figure 4 The utility model discloses second inverted hook clamp assembly three-dimensional structure schematic diagram.

[0018] In the drawing: 1, underframe, 2, angle adjusting assembly, 3, positioning frame, 4, first inverted hook assembly, 5, second inverted hook assembly, 21, drive structure, 22, rotation structure, 2101, movable plate, 2102, first screw rod, 2103, second screw rod, 2104, first sprocket, 2105, second sprocket, 2106, chain, 2107, support block, 2201, positioning frame, 2202, round bar, 401, rotating rod, 402, first inverted hook clamp, 403, connecting rod, 404, first air cylinder, 405, cross plate, 501, second air cylinder, 502, top plate, 503, second inverted hook clamp. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a kind of inverted hook jig, including underframe 1, the left and right inner wall of underframe 1 is equipped with two sliding slots, every two left and right corresponding sliding slots are a group, the inner wall of each group of sliding slots is slidably connected with angle adjusting assembly 2, the upper surface of angle adjusting assembly 2 is rotatably connected with positioning frame 3, the upper surface of positioning frame 3 is equipped with strip slot, the inner wall of strip slot is rotatably connected with first inverted hook assembly 4, the inner bottom wall of positioning frame 3 is fixedly connected with second inverted hook assembly 5;

[0021] Angle adjusting assembly 2 includes drive structure 21 and rotation structure 22, drive structure 21 is used to drive rotation structure 22 to produce angle change.

[0022] Further, the driving structure 21 comprises movable plates 2101, the inner bottom walls of each set of sliding grooves are respectively rotationally connected with first lead screws 2102 and second lead screws 2103, the surfaces of the first lead screws 2102 and the second lead screws 2103 are respectively fixedly connected with first sprockets 2104 and second sprockets 2105, the surfaces of the first sprockets 2104 and the second sprockets 2105 are transmissionally connected with chains 2106, each set of movable plates 2101 is threadedly connected with the surfaces of the first lead screws 2102 and the second lead screws 2103, the upper surfaces of each set of movable plates 2101 are fixedly connected with support blocks 2107, the side surfaces of the support blocks 2107 are provided with circular holes, the first lead screw 2102 of one set is rotated, the first lead screw 2102 can drive the first sprocket 2104 to rotate, thereby driving the second lead screw 2103 to synchronously rotate through the first sprocket 2104, the second sprocket 2105 and the chain 2106, the first lead screw 2102 and the second lead screw 2103 drive the two movable plates 2101 to move upwards, thereby changing the inclination angle of the positioning frame 3 through the support blocks 2107 and the rotating structure 22.

[0023] Further, the rotating structure 22 comprises positioning frames 2201, the number of the positioning frames 2201 is four, the upper surfaces of the four positioning frames 2201 are connected with the lower surface of the positioning frame 3, the inner walls of the positioning frames 2201 are fixedly connected with circular rods 2202, the circular rods 2202 are rotationally connected with the inner walls of the circular holes, the positioning frames 2201 are rotationally connected with the support blocks 2107 through the circular rods 2202 and the circular holes, the positioning frame 3 can relatively rotate with the support blocks 2107 through the positioning frames 2201 and the circular rods 2202, since the positions of the two sets of positioning frames 2201 below the positioning frame 3 are different, when one set of positioning frames 2201 is rotated, the other set of positioning frames 2201 will not produce the rotating effect, thereby being capable of performing the angle adjusting operation on the positioning frame 3 and the accessories above.

[0024] Further, the first barb assembly 4 comprises rotating rods 401, the number of the rotating rods 401 is two, the rotating rods 401 are rotationally connected with the inner walls of the strip-shaped grooves, the surfaces of the rotating rods 401 are fixedly connected with first barb clamps 402, the opposite surfaces of the two first barb clamps 402 are rotationally connected with connecting rods 403, the two first barb clamps 402 can rotate around the rotating rods 401.

[0025] Further, the inner bottom wall of the positioning frame 3 is fixedly connected with a first air cylinder 404, the output end of the first air cylinder 404 is fixedly connected with a horizontal plate 405, the left and right sides of the horizontal plate 405 are respectively rotatably connected with two connecting rods 403 away from one end of the first barb clamp 402, the first air cylinder 404 can drive the horizontal plate 405 to move up and down, the horizontal plate 405 can drive the two connecting rods 403 to be lifted upward, when the connecting rods 403 are lifted to a certain angle, the two first barb clamps 402 can be driven to rotate around the rotating rod 401, so that the accessory clamped above the positioning frame 3 can be pressed tightly.

[0026] Further, the second barb assembly 5 comprises a second air cylinder 501, the output end of the second air cylinder 501 is fixedly connected with a top plate 502, the upper surface of the top plate 502 is fixedly connected with two second barb clamps 503, the second air cylinder 501 can drive the top plate 502 to move up and down, so as to drive the second barb clamps 503 to move up and down.

[0027] Further, the upper surface of the positioning frame 3 is provided with a strip-shaped through hole, and the sizes of the two second barb clamps 503 are matched with the size of the strip-shaped through hole, the two second barb clamps 503 are slidably connected with the inner wall of the strip-shaped through hole, the second barb clamps 503 can move up and down in the strip-shaped through hole and will not sink into the strip-shaped through hole, if the accessory is clamped between the second barb clamps 503 and the upper surface of the positioning frame 3, the accessory inner buckle can be pressed tightly by the second barb clamps 503 after descending, so as to maintain the stability of the accessory during processing.

[0028] Working principle: first according to the size of the required processing accessories, select the first hook assembly 4 or the second hook assembly 5, when selecting the first hook assembly 4, the accessories are clamped on the position above the positioning frame 3, at this time the first cylinder 404 is started, the first cylinder 404 is started and can drive the horizontal plate 405 to rise, thereby driving two connecting rods 403 to lift up, at this time two first hook clamps 402 are rotated around the rotating rod 401 under the transmission action of the connecting rod 403, thereby locking the accessories with two first hook clamps 402, ensuring that the outer surface of the accessories will not be affected by the clamp blocking the machining operation, when selecting the second hook assembly 5, first start the second cylinder 501, make the second cylinder 501 drive the top plate 502 to rise to the limit height, at this time the accessories are placed on the position above the positioning frame 3, and the inner side wall is clamped on the position below the second hook clamp 503, start the second cylinder 501 again, the second cylinder 501 drives the second hook clamp 503 to descend, thereby locking the accessories through the second hook clamp 503, thereby facilitating the machining operation of the outer surface of the accessories, the flexibility is higher, can be suitable for different size accessories processing, at the same time, when the front angle of the accessories needs to be adjusted, rotate the front first screw rod 2102, make the first screw rod 2102 rotate through the first chain wheel 2104, the second chain wheel 2105 and the chain 2106 drive the second screw rod 2103 to rotate synchronously, thereby driving two movable plates 2101 to rise, drive the positioning frame 3 to rotate forward through the positioning frame 2201 and the circular rod 2202, when the forward angle of the accessories needs to be adjusted, rotate the rear first screw rod 2102, the forward adjustment of the accessories can be completed, the angle of the accessories can be adjusted quickly, thereby greatly improving the processing efficiency of the accessories.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A hook-shaped jig comprising a base frame (1), characterized in that: The left and right inner walls of the chassis (1) are each provided with two sliding grooves, every two left and right corresponding sliding grooves form a group, the inner wall of each group of sliding grooves is slidably connected with an angle adjusting assembly (2), the upper surface of the angle adjusting assembly (2) is rotatably connected with a positioning frame (3), the upper surface of the positioning frame (3) is provided with a strip-shaped groove, the inner wall of the strip-shaped groove is rotatably connected with a first barb assembly (4), the inner bottom wall of the positioning frame (3) is fixedly connected with a second barb assembly (5). The angle adjusting assembly (2) comprises a driving structure (21) and a rotating structure (22), and the driving structure (21) is arranged to drive the rotating structure (22) to change the angle.

2. The barb-shaped jig according to claim 1, wherein: The driving structure (21) comprises a movable plate (2101), the inner bottom wall of each group of sliding grooves is rotatably connected with a first screw rod (2102) and a second screw rod (2103) respectively, the surfaces of the first screw rod (2102) and the second screw rod (2103) are fixedly connected with a first sprocket (2104) and a second sprocket (2105) respectively, the surfaces of the first sprocket (2104) and the second sprocket (2105) are transmissionally connected with a chain (2106), each group of movable plates (2101) is threadedly connected with the surfaces of the first screw rod (2102) and the second screw rod (2103) respectively, the upper surfaces of each group of movable plates (2101) are fixedly connected with a supporting block (2107), and the side surface of the supporting block (2107) is provided with a circular hole.

3. The barb-shaped fixture of claim 1, wherein: The rotating structure (22) comprises a positioning frame (2201), the number of the positioning frame (2201) is four, the upper surfaces of the four positioning frames (2201) are connected with the lower surface of the positioning frame (3), the inner wall of the positioning frame (2201) is fixedly connected with a circular rod (2202), the circular rod (2202) is rotatably connected with the inner wall of the circular hole, and the positioning frame (2201) is rotatably connected with the supporting block (2107) through the circular rod (2202) and the circular hole.

4. The barb-shaped fixture of claim 1, wherein: The first barb assembly (4) comprises a rotating rod (401), the number of the rotating rod (401) is two, the two rotating rods (401) are rotatably connected with the inner wall of the strip-shaped groove, the surface of the rotating rod (401) is fixedly connected with a first barb clamp (402), and the opposite surfaces of the two first barb clamps (402) are rotatably connected with a connecting rod (403).

5. The barb-shaped fixture of claim 1, wherein: The inner bottom wall of the positioning frame (3) is fixedly connected with a first air cylinder (404), the output end of the first air cylinder (404) is fixedly connected with a horizontal plate (405), and the left and right sides of the horizontal plate (405) are rotatably connected with the ends of the two connecting rods (403) away from the first barb clamps (402).

6. The barb-shaped fixture of claim 1, wherein: The second barb assembly (5) comprises a second air cylinder (501), the output end of the second air cylinder (501) is fixedly connected with a top plate (502), and the upper surface of the top plate (502) is fixedly connected with two second barb clamps (503).

7. The barb-shaped fixture of claim 6, wherein: The upper surface of the positioning frame (3) is provided with a strip-shaped through hole, and the sizes of the two second barb clamps (503) are matched with the size of the strip-shaped through hole, and the two second barb clamps (503) are slidably connected with the inner wall of the strip-shaped through hole.

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