Lifting type machining clamp

Abstract

Comprising a conveying belt used for conveying workpieces, a push plate used for pushing the workpieces to a lifting table is arranged on the side portion of the conveying belt, a positioning plate is arranged on the upper portion of the lifting table and opposite to the push plate, and clamping plates are symmetrically arranged on the two sides of the positioning plate. The movable platform is of an L-shaped plate structure, lead screw nuts are arranged at the two ends of a connecting plate at the bottom of the movable platform and arranged on a lead screw in a matched mode, and one end of the lead screw is connected with the output shaft end of a motor. According to the lifting type machining clamp, automatic and mechanical feeding operation of workpieces can be achieved, the workpieces on the conveying belt can be pushed to the position between the two clamping plates, the driving motor and the movable platform do linear motion in the horizontal direction, the two clamping plates are close to each other, and clamping operation is conducted on the workpieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing fixture field, concretely is a lifting type mechanical processing fixture. BACKGROUND

[0002] At present, the clamping device for parts is various, through the retrieval, a kind of shaft part clamping device of prior art is known, application number is 201611113259.2, the following content is disclosed: the utility model is specifically related to a kind of shaft part clamping device, including bottom plate, with the first clamp of fixed connection of bottom plate, with the second clamp of movable connection of bottom plate, first clamp includes first connecting part, first clamping part and second connecting part, first connecting part and second connecting part are equipped with guide hole on;Second clamp includes third connecting part, second clamping part and fourth connecting part, third connecting part and fourth connecting part are equipped with guide column on adaptation with guide hole, the recess of corresponding each other on first clamping part and second clamping part is equipped with;The guide column on second clamp is slid in the guide hole on first clamp, ensure that clamping is firm, while, save clamping time.The connecting part of first clamp and second clamp can be matched by sawtooth and tooth, so that clamp clamping is more closely, avoid the relative sliding between first clamp and second clamp, to ensure the assembly quality of shaft part.

[0003] However, in actual production process, the clamping of workpiece in mechanical processing still has the following technical problems to be solved: for the workpiece conveyed by conveying belt, enterprise staff still need to convey workpiece from the part on conveying belt to workbench, need a special staff to be responsible for the operation of this matter, labor intensity is big, and work is boring and tasteless, and the technical content is lower, after workpiece is placed on workbench and clamped, fixed workbench cannot satisfy lifting operation, so that staff moves clamped to subsequent machining operation station, for the above problems, improvement is carried out. UTILITY MODEL CONTENT

[0004] The utility model aims at above problem, provide a kind of lifting type mechanical processing fixture, can realize workpiece automation, mechanization feeding operation, can realize the workpiece on conveying belt and push to between two clamping plates, drive motor, the linear motion of moving platform in horizontal direction, two clamping plates close to each other, workpiece is clamped, after completing clamping operation, drive second hydraulic cylinder, scissor folding rod drives lifting platform to descend, realize the motion of lifting platform and workpiece in vertical direction to another station, greatly reduce the labor intensity of staff, satisfy the actual demand of automation production.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a lifting type machining clamp, including the conveyer belt for conveying work piece, the conveyer belt side is equipped for pushing work piece to push board on the lifting platform, the lifting platform top and the opposite side of push board is equipped with the locating plate, the both sides of locating plate are symmetrically equipped with the clamping plate, the insert block of clamping plate side is inserted to set up in the mobile platform top, and the mobile platform is L type board structure and is equipped with the screw nut on the both ends of the connecting plate bottom, and the screw nut is matched to set up on the screw rod, and the one end of screw rod is connected motor output shaft end, when the screw rod does rotary motion, the screw nut drives the linear motion of connecting plate, mobile platform in horizontal direction, and two clamping plates for clamping work piece are close to each other, and the shearing type folding rod is arranged on the bottom of lifting platform, and the second hydraulic cylinder telescopic shaft end is connected shearing type folding rod.

[0007] As a further improvement of the above-mentioned scheme, a vertical plate structure baffle is arranged on the inner wall of the rack above the conveyer belt.

[0008] As a further improvement of the above-mentioned scheme, the push plate is connected with the first hydraulic cylinder telescopic shaft end on the side thereof, and the first guide rod arranged on the side of the push plate horizontally penetrates the support seat on the rack.

[0009] As a further improvement of the above-mentioned scheme, the sliding block arranged on the lower part of the connecting plate is matched with the guide rail on the lifting platform.

[0010] As a further improvement of the above-mentioned scheme, the guide plate is arranged on the upper surface of the lifting platform and is inclined near the conveyer belt.

[0011] As a further improvement of the above-mentioned scheme, the movable touch plate is arranged on the side of the push plate, the second guide rod arranged on the side surface of the movable touch plate penetrates the support plate, the limiting plate is arranged on the end of the second guide rod, the end of the travel switch contact arranged on the middle part of the support plate is in contact with the movable touch plate, and the spring is arranged between the movable touch plate and the support plate outside the second guide rod.

[0012] As a further improvement of the above-mentioned scheme, the upper end of the upper guide pipe arranged on the bottom of the lifting platform is matched with the upper end of the lower guide column.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The work piece can be automatically and mechanically fed, the work piece on the conveyer belt can be pushed between the two clamping plates, the motor is driven, the mobile platform moves linearly in the horizontal direction, the two clamping plates are close to each other, the work piece is clamped, the second hydraulic cylinder is driven after the clamping operation is completed, the lifting platform is lowered by the shearing type folding rod, the lifting platform and the work piece move in the vertical direction to another station, the labor intensity of workers is greatly reduced, and the actual needs of automatic production are met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The utility model discloses a top view structure schematic diagram.

[0016] Figure 2 For Figure 1 The middle A-A section view structure schematic diagram.

[0017] Figure 3 For Figure 1 The middle activity touch board position place partial enlarged schematic view.

[0018] Figure 4 For Figure 1 The middle mobile platform position place partial enlarged schematic view.

[0019] The words in the drawing show that: 1, conveying belt, 2, baffle, 3, rack, 4, push plate, 5, support seat, 6, first guide rod, 7, first hydraulic cylinder, 8, second guide rod, 9, spring, 10, support plate, 11, limit plate, 12, travel switch, 13, movable touch plate, 14, positioning plate, 15, guide plate, 16, lifting platform, 17, clamping plate, 18, plug block, 19, mobile platform, 20, lead screw, 21, lead screw nut, 22, connecting plate, 23, sliding block, 24, guide rail, 25, motor, 26, scissor folding rod, 27, second hydraulic cylinder, 28, lower guide column, 29, upper guide pipe. DETAILED DESCRIPTION

[0020] In order for those skilled in the art to better understand the technical solutions, the utility model is described in detail below in conjunction with examples, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0021] As Figures 1-4 The specific scheme of the embodiment is as follows: a lifting type machining clamp, comprising a conveying belt 1 for conveying workpieces, a push plate 4 arranged on the side of the conveying belt 1 and used for pushing the workpieces to a lifting platform 16, a positioning plate 14 arranged on the upper part of the lifting platform 16 and opposite to the push plate 4, clamping plates 17 arranged symmetrically on the two sides of the positioning plate 14, plug blocks 18 arranged on the side of the clamping plates 17 and inserted into a mobile platform 19 arranged on the top of the mobile platform 19, the mobile platform 19 being in the form of an L-shaped plate structure and the connecting plates 22 arranged at the bottom of the mobile platform 19 being provided with lead screw nuts 21 at both ends, the lead screw nuts 21 being matched with lead screws 20, one end of the lead screw 20 being connected with the output shaft end of a motor 25, when the lead screw 20 rotates, the lead screw nut 21 drives the connecting plate 22 and the mobile platform 19 to move linearly in the horizontal direction, the two clamping plates 17 for clamping the workpieces move close to each other, a scissor folding rod 26 is arranged at the bottom of the lifting platform 16, and a second hydraulic cylinder 27 is connected with the scissor folding rod 26 through the telescopic shaft end.

[0022] The conveying belt 1 drives the workpiece to the direction of the push plate 4, when the conveying belt 1 touches the movable touch plate 13, the touch stroke switch 12 is touched, the conveying belt 1 stops conveying operation, the first hydraulic oil cylinder 7 is driven, the push plate 4 pushes the workpiece to the lifting platform 16, the positioning plate 14 plays the role of positioning and blocking, the motor 25 is driven, the screw nut 21 drives the connecting plate 22, the moving platform 19 and the clamping plate 17 to move linearly in the horizontal direction, the two clamping plates 17 clamp the workpiece, after the corresponding clamping operation is completed, when the workpiece needs to be transported to the next station, the second hydraulic cylinder 27 is driven, the lifting platform 16 is lowered, so that the lifting platform 16 and the workpiece are transported to the next station, and the machining requirements of the actual operation of the connection and transportation between different stations are realized

[0023] As shown in Figure 1 , as a preferred mode of the above embodiment, a baffle 2 in the form of a vertical plate is arranged on the inner wall of the rack 3 on the upper side of the conveying belt 1.

[0024] As shown in Figure 1 , as a preferred mode of the above embodiment, the first hydraulic oil cylinder 7 is connected to the side of the push plate 4, and the first guide rod 6 arranged on the side of the push plate 4 penetrates through the support seat 5 on the rack 3.

[0025] As shown in Figure 1 , as a preferred mode of the above embodiment, the sliding block 23 arranged on the lower part of the connecting plate 22 is matched with the guide rail 24 on the lifting platform 16.

[0026] As shown in Figure 1 , as a preferred mode of the above embodiment, the guide plate 15 is arranged on the upper surface of the lifting platform 16 close to the conveying belt 1.

[0027] As shown in Figure 1 , as a preferred mode of the above embodiment, the movable touch plate 13 is arranged on the side of the push plate 4, the second guide rod 8 arranged on the side surface of the movable touch plate 13 penetrates through the support plate 10, the limiting plate 11 is arranged at the end of the second guide rod 8, the contact end of the stroke switch 12 arranged in the middle of the support plate 10 is in contact with the movable touch plate 13, and the spring 9 is arranged outside the second guide rod 8 and between the movable touch plate 13 and the support plate 10.

[0028] As shown in Figure 1 , as a preferred mode of the above embodiment, the upper end of the upper guide pipe 29 arranged on the bottom of the lifting platform 16 is matched with the upper end of the lower guide column 28.

[0029] The specific working principle of the utility model is as follows:

[0030] The conveying belt 1 drives the workpiece to move in the direction of the push plate 4, when the conveying belt 1 touches the movable touch plate 13, the touch stroke switch 12 is touched, the conveying belt 1 stops conveying, the first hydraulic oil cylinder 7 is driven, the push plate 4 pushes the workpiece to the lifting platform 16, the positioning plate 14 plays a role of positioning and blocking, the motor 25 is driven, the screw nut 21 drives the connecting plate 22, the moving platform 19 and the clamping plate 17 to move linearly in the horizontal direction, the two clamping plates 17 clamp the workpiece, after the corresponding clamping operation is completed, when the workpiece needs to be transported to the next station, the second hydraulic cylinder 27 is driven, the lifting platform 16 is lowered, so that the lifting platform 16 and the workpiece are transported to the next station, and the processing requirements of the actual operation of the connection and transportation between different stations are realized.

[0031] It should be noted that in this paper, the terms include, contain or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. The principle and implementation mode of the technical scheme of the present application are described by applying specific examples in this paper, and the above example is only used to help understand the method and its core idea of the present application. The above description is only the preferred embodiment of the present application, it should be pointed out that, due to the limitation of language expression, there are infinite specific structures in objective, for ordinary skilled in the art, without departing from the principle of the present application, a number of improvements, refinements or changes can be made, the above technical features can also be combined in a proper way, these improvements, refinements, changes or combinations, or without improvement, the concept and technical scheme of the present application are directly applied to other occasions, all should be regarded as the protection scope of the present application.

Claims

1. A lifting machining fixture, characterized in that, The utility model provides a kind of workpiece conveying device, including the conveying belt (1) for conveying workpiece, the push plate (4) for pushing workpiece to the lifting platform (16) is provided in the side of conveying belt (1), positioning plate (14) is provided in the upper portion of lifting platform (16) and opposite push plate (4), clamping plate (17) is symmetrically arranged in the both sides of positioning plate (14), the insert block (18) of side of clamping plate (17) is inserted and is arranged in the top of moving platform (19), moving platform (19) is L-shaped plate structure, and the connecting plate (22) of bottom is provided with screw nut (21) in both ends, screw nut (21) is matched and arranged on screw rod (20), one end of screw rod (20) is connected with motor (25) output shaft end, when screw rod (20) does rotating motion, screw nut (21) drives connecting plate (22), moving platform (19) to do linear motion in horizontal direction, two clamping plates (17) for clamping workpiece are close to each other, the shearing type folding rod (26) is arranged in the bottom of lifting platform (16), and the telescopic shaft end of second hydraulic cylinder (27) is connected with shearing type folding rod (26).

2. A lifting machining jig according to claim 1, wherein The vertical plate structure baffle (2) is arranged on the inner wall of the rack (3) above the side of the conveying belt (1).

3. A lifting fixture for machining according to claim 2, wherein The telescopic shaft end of first hydraulic cylinder (7) is connected with the side of push plate (4), and the first guide rod (6) arranged on the side of push plate (4) penetrates through the support seat (5) on the rack (3) horizontally.

4. A lifting fixture for machining according to claim 3, wherein The slider (23) arranged on the lower portion of connecting plate (22) is matched with the guide rail (24) on the lifting platform (16).

5. A lifting fixture for machining according to claim 4, wherein The guide plate (15) is arranged obliquely on the upper surface of lifting platform (16) close to the position of conveying belt (1).

6. A lifting fixture for machining according to claim 5, wherein The movable contact plate (13) is arranged on the side of push plate (4), the second guide rod (8) arranged on the side surface of movable contact plate (13) penetrates through the support plate (10), the limiting plate (11) is arranged on the end of second guide rod (8), the contact end of travel switch (12) arranged on the middle portion of support plate (10) is in contact with movable contact plate (13), the spring (9) is arranged outside second guide rod (8) and between movable contact plate (13) and support plate (10).

7. A lifting fixture for machining according to claim 6, wherein The upper end of upper guide pipe (29) arranged on the bottom of lifting platform (16) is matched with the lower end of lower guide column (28).

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