Supporting and expanding type clamp for mechanical manufacturing

Abstract

The utility model discloses a mechanical manufacturing expanding type clamp, which relates to the technical field of mechanical manufacturing and comprises a base plate, a guide mechanism is movably mounted on the upper side of the base plate, a plurality of annularly distributed sliding blocks are slidably connected to the inner side of the guide mechanism, and clamping blocks are fixedly connected to the upper sides of the sliding blocks. The outer side of the guide mechanism is movably sleeved with a protective shell, the inner side of the protective shell is fixedly connected with four annularly-distributed fixing mechanisms, and the inner side of the upper wall of the protective shell is fixedly sleeved with a sealing mechanism. According to the supporting and expanding type clamp for mechanical manufacturing, the clamping plate is directly aligned to the lower side of the clamping base, then the protective shell is directly moved downwards, the protective shell can be rapidly installed on the base plate, a transmission block is rotated, then a rotating rod is rotated, the protective shell can be rapidly disassembled, installation is more convenient, disassembly is easy, and the machining efficiency is improved. And maintenance operation of parts on the clamp is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing technical field, especially mechanical manufacturing strutting formula clamp. BACKGROUND

[0002] Mechanical manufacturing fixture is an important tool indispensable in the mechanical manufacturing process, its main function is to fix workpiece, ensure the correct position and attitude of workpiece in the machining process, thereby guaranteeing machining precision, improving production efficiency and reducing labor intensity. According to different application scenarios and demands, fixture can be divided into multiple types, including general fixture, special fixture, adjustable fixture, combined fixture and follow-up fixture etc.

[0003] The prior art has the following problems:

[0004] The existing fixture needs to adopt protective shell to close the component for moving on it when manufacturing, avoids the running of component to be influenced by the entering of debris in the use process, but it usually adopts screw fixing, this way makes protective shell difficult to disassemble, needs to consume a lot of time in the process of screw disassembly and installation when maintaining. UTILITARY MODEL

[0005] The utility model provides a kind of mechanical manufacturing strutting formula clamp to solve the problems presented in the above background art.

[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0007] A kind of mechanical manufacturing strutting formula clamp, including base plate, the upper side of the base plate movably installs guide mechanism, the inner side of the guide mechanism is slidably connected with several ring-shaped distribution sliding blocks, the upper side of several sliding blocks is all fixedly connected with clamping block, the outer side of the guide mechanism movably sleeve joint has protective shell, the inner side of the protective shell is fixedly connected with four ring-shaped distribution fixed mechanisms, the inner side of the upper wall of the protective shell is fixedly sleeve jointed with closure mechanism;

[0008] The fixed mechanism includes clamping seat, the outer side of the clamping seat is fixedly connected in the inner side of protective shell, the inner side of the clamping seat movably sleeve joint has rotating rod, the upper end of the rotating rod is fixedly connected with clamping plate, the lower end of the rotating rod is rotatably connected in the position of the upper side of base plate near edge, first torsional spring is movably installed between the lower end of the rotating rod and the front upper side of base plate.

[0009] Preferably, the inner side of the rotating rod movably sleeve joint has transmission block, the inner side of the rotating rod movably sleeve joint has spring, and spring is located in the lower side of transmission block.

[0010] Preferably, the upper wall of the protective shell is rotationally connected with a cover plate near the edge, and the cover plate is located on the upper side of the transmission block, and a second torsion spring is movably installed between the lower side of the cover plate and the upper side of the protective shell.

[0011] Preferably, the closing mechanism comprises a sealing plate, the outer side of the sealing plate is fixedly sleeved on the inner side of the upper wall of the protective shell, the inner side of the sealing plate is rotationally connected with a plurality of rotating plates distributed in a ring shape, and a third torsion spring is movably installed between the rotating position of each of the plurality of rotating plates and the inner side of the sealing plate.

[0012] Preferably, the upper surface of the sealing plate is provided with a plurality of clamping holes distributed in a ring shape near the edge, the inner side of each of the plurality of rotating plates is movably sleeved with a limiting plate near the edge, and a spring sheet is movably installed on the lower side of each of the plurality of limiting plates.

[0013] Preferably, the inner side of the sealing plate is provided with a plurality of accommodating grooves distributed in a ring shape near the edge.

[0014] Preferably, the inner side of each of the plurality of clamping holes is fixedly sleeved with a rubber sheet near the upper side.

[0015] Due to the adoption of the above technical scheme, the technical progress achieved by the utility model relative to the prior art is:

[0016] 1. The utility model provides a kind of mechanical manufacturing expansion type clamp, adopt the cooperation of substrate, guide mechanism, slider, clamping block, protective shell, fixed mechanism, card seat, rotating rod, clamping plate, transmission block, spring and cover plate, by directly aiming at the lower side of card seat with clamping plate, then directly lower protective shell, so that protective shell can be quickly installed on substrate, rotating transmission block, and then make rotating rod rotate, so that protective shell can be quickly disassembled, installation is more convenient to disassemble simple, it is convenient to maintain the operation of the components on the clamp.

[0017] 2. The utility model provides a kind of mechanical manufacturing expansion type clamp, adopt the cooperation of slider, closing mechanism, sealing plate, rotating plate, clamping hole, limiting plate, spring sheet, accommodating groove and rubber sheet, by slider when moving, rotating plate is tightly attached to slider, so that sealing plate is closed in the position of slider away from each other, and then make the debris generated when machining mechanical component difficult to enter the lower side of sealing plate, so that it is protected, avoid the influence of debris on the service life of component. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the partial section three-dimensional structure schematic diagram of the utility model;

[0020] Figure 3 It is the partial section three-dimensional structure schematic view of the guide mechanism part of the utility model;

[0021] Figure 4 It is the utility model Figure 2 It is the enlarged structure schematic view of A part in the utility model;

[0022] Figure 5 It is the partial section three-dimensional structure schematic view of the clamping seat part of the utility model;

[0023] Figure 6 It is the partial section three-dimensional structure schematic view of the closed mechanism part of the utility model under the overhead state;

[0024] Figure 7 It is the partial section three-dimensional structure schematic view of the closed mechanism part of the utility model under the overhead state;

[0025] Figure 8 It is the utility model Figure 7 It is the enlarged structure schematic view of B part in the utility model.

[0026] In the drawing: 1, base plate; 2, guide mechanism; 3, sliding block; 4, clamping block; 5, protective shell; 6, fixed mechanism; 61, clamping seat; 62, rotating rod; 63, clamping plate; 64, transmission block; 65, spring; 66, cover plate; 7, closed mechanism; 71, sealing plate; 72, rotating plate; 73, clamping hole; 74, limiting plate; 75, elastic sheet; 76, accommodating groove; 77, rubber sheet. Specific implementation

[0027] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation modes.

[0028] As Figures 1-8 Shown, a kind of mechanical manufacturing stretch formula clamp, including base plate 1, the upper side of base plate 1 movably installs guide mechanism 2, the inner side of guide mechanism 2 is slidably connected with several annular distribution sliding blocks 3, the upper side of several sliding blocks 3 is all fixedly connected with clamping block 4, the outer side of guide mechanism 2 movably sleeve joint has protective shell 5, the inner side of protective shell 5 is fixedly connected with four annular distribution fixed mechanisms 6, the inner side of the upper wall of protective shell 5 is fixedly sleeve jointed with closed mechanism 7;

[0029] Fixed mechanism 6 includes clamping seat 61, the outer side of clamping seat 61 is fixedly connected in the inner side of protective shell 5, the inner side of clamping seat 61 movably sleeve jointed with rotating rod 62, the upper end of rotating rod 62 is fixedly connected with clamping plate 63, the lower end of rotating rod 62 is rotatably connected at the position of the upper side of base plate 1 close to edge, first torsional spring is movably installed between the lower end of rotating rod 62 and the front upper side of base plate 1.

[0030] It needs to be explained that the guide mechanism 2 is composed of a fixed circular plate with straight grooves and a rotating circular plate with arc grooves, the sliding block 3 is simultaneously slidingly connected in the arc grooves and the straight grooves, so that when the two circular plates relatively rotate, the sliding block 3 performs linear motion, so that the clamping block 4 can clamp the inner side of the mechanical part, the protective shell 5 is used for closing the guide mechanism 2, avoiding that the debris generated during part processing directly contacts the guide mechanism 2, causing the part to be damaged, the edges of the inner side of the clamping seat 61 on the upper and lower sides are consistent in shape, but there is a certain included angle between the two, and the two are smoothly connected, the first torsional spring is used for stabilizing the state of the rotating rod 62, so that the rotating rod 62 cannot rotate by itself, the plan view shape of the clamping plate 63 in the initial state coincides with the shape of the lower edge of the inner side of the clamping seat 61, so that the clamping plate 63 fixes the clamping seat 61, so that the protective shell 5 is fixed on the base plate 1, when the protective shell 5 is installed, the lower edge of the clamping seat 61 is aligned with the clamping plate 63, when the clamping plate 63 enters the inner side of the clamping seat 61, with the downward movement of the protective shell 5, the inner side of the clamping seat 61 guides the clamping plate 63, so that the rotating rod 62 rotates, so that the clamping plate 63 moves out of the clamping seat 61, and then the first torsional spring drives the rotating rod 62 to reset.

[0031] As shown in Figure 5 , the inner side of the rotating rod 62 movably sleeves the transmission block 64, the inner side of the rotating rod 62 movably sleeves the spring 65, and the spring 65 is located on the lower side of the transmission block 64.

[0032] It needs to be explained that after the protective shell 5 is fixed, the transmission block 64 is located on the lower side of the upper wall of the protective shell 5, and the existing tool such as an internal hexagonal screwdriver is used to rotate the transmission block 64, so that the transmission block 64 drives the rotating rod 62 to rotate, when the clamping plate 63 is aligned with the upper inner edge of the clamping seat 61, the transmission block 64 is aligned with the corresponding insertion hole of the upper wall of the protective shell 5, the spring 65 pushes the transmission block 64 to move upward, so that the transmission block 64 is fixed, and then the rotating rod 62 is fixed, so that the rotating rod 62 cannot reset, so that the protective shell 5 is disassembled.

[0033] As shown in Figure 4 , the upper wall of the protective shell 5 is rotatably connected with the cover plate 66 near the edge, and the cover plate 66 is located on the upper side of the transmission block 64, and the second torsional spring is movably installed between the lower side of the cover plate 66 and the upper side of the protective shell 5.

[0034] It needs to be explained that the cover plate 66 is used to close the insertion hole for sleeving the transmission block 64, avoiding debris from entering.

[0035] As shown in Figure 6As shown, the closing mechanism 7 comprises a closing plate 71, the outer side of the closing plate 71 is fixedly sleeved in the inner side of the upper wall of the protective shell 5, the inner side of the closing plate 71 is rotationally connected with a plurality of rotating plates 72 distributed in a ring shape, and the rotating position of each of the plurality of rotating plates 72 is movably connected with the inner side of the closing plate 71.

[0036] It should be noted that the third torsional spring drives the rotating plate 72 to rotate, and the rotating plate 72 is in close contact with the sliding block 3 when the sliding block 3 moves, so that the closing plate 71 is closed at the position where the sliding blocks 3 are away from each other, avoiding the debris generated during component processing from entering.

[0037] As shown in Figure 8 the upper surface of the closing plate 71 is provided with a plurality of clamping holes 73 distributed in a ring shape near the edge, the inner side of each of the plurality of rotating plates 72 is movably sleeved with a limiting plate 74 near the edge, and the lower side of each of the plurality of limiting plates 74 is movably connected with a spring piece 75.

[0038] It should be noted that the sliding block 3 is moved to the position away from each other, so that the rotating plate 72 is pushed, and when the limiting plate 74 is aligned with the clamping hole 73, the spring piece 75 pushes the limiting plate 74, so that it enters the inner side of the clamping hole 73, so that the rotating plate 72 is fixed, so that when the protective shell 5 is disassembled and installed, the sliding block 3 is conveniently inserted into the inner side of the closing plate 71.

[0039] As shown in Figure 8 the inner side of the closing plate 71 is provided with a plurality of accommodating grooves 76 distributed in a ring shape near the edge.

[0040] It should be noted that the accommodating groove 76 is used to accommodate the limiting plate 74, so as to avoid the limiting plate 74 from contacting the closing plate 71 when the guide mechanism 2 rotates, thereby causing wear between the components.

[0041] As shown in Figure 8 the inner side of each of the plurality of clamping holes 73 is fixedly sleeved with a rubber piece 77 near the upper side.

[0042] It should be noted that the rubber piece 77 is used to block the clamping hole 73, so as to avoid the clamping hole 73 from being in an open state without affecting the pushing of the limiting plate 74 away from the clamping hole 73.

[0043] The utility model discloses a working principle: first, the inside upper and lower sides of the edge shape of card seat 61 are identical, but there is certain included angle between both, and both are smoothly connected, and first torsional spring is used for stabilizing the state of rotating lever 62, so that rotating lever 62 cannot rotate automatically, and the plan projection shape of clamping plate 63 under initial state coincides with the inside lower edge shape of card seat 61, so that clamping plate 63 is fixed to card seat 61, so that protective housing 5 is fixed on base plate 1, when installing protective housing 5, the lower edge of card seat 61 is aligned to clamping plate 63, when clamping plate 63 enters the inside of card seat 61, with the descending of protective housing 5, the inside of card seat 61 guides clamping plate 63, so that rotating lever 62 rotates, so that clamping plate 63 moves out from the inside of card seat 61, then first torsional spring drives rotating lever 62 to reset, after protective housing 5 is fixed, transmission block 64 is located at the lower side of the upper wall of protective housing 5, using existing tools, such as internal hexagonal screwdriver, rotating transmission block 64, so that transmission block 64 drives rotating lever 62 to rotate, when clamping plate 63 is aligned to the upper inside edge of card seat 61, transmission block 64 is aligned to the corresponding jack of the upper wall of protective housing 5, spring 65 pushes transmission block 64 to move up, so that transmission block 64 is fixed, further so that rotating lever 62 is fixed, so that rotating lever 62 cannot reset, so that protective housing 5 is disassembled, by directly aligning clamping plate 63 to the lower side of card seat 61, then directly descending protective housing 5, so that protective housing 5 can be quickly installed on base plate 1, rotating transmission block 64, further so that rotating lever 62 rotates, so that protective housing 5 can be quickly disassembled, installation is more convenient and disassembly is simple, and the components on the clamp are convenient for maintenance operation, finally, third torsional spring drives rotating plate 72 to rotate, when slider 3 moves, rotating plate 72 is close to slider 3, so that sealing plate 71 is located at the position of mutual separation of slider 3 and is closed, avoiding the debris generated when processing components to enter, moving slider 3 to the position of mutual separation, so that rotating plate 72 is pushed, when limiting plate 74 is aligned to clamping hole 73, elastic sheet 75 pushes limiting plate 74, so that it enters the inside of clamping hole 73, so that rotating plate 72 is fixed so that when disassembling protective housing 5, slider 3 is conveniently inserted into the inside of sealing plate 71, containing groove 76 is used for containing limiting plate 74, avoiding limiting plate 74 and sealing plate 71 contact when guiding mechanism 2 rotates, causing the wear between components, through the movement of slider 3, rotating plate 72 is close to slider 3, so that sealing plate 71 is located at the position of mutual separation of slider 3 and is closed, further so that the debris generated when processing mechanical components is difficult to enter the lower side of sealing plate 71, so that it is protected, avoiding the debris to affect the service life of components.

[0044] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A mechanical manufacturing expansion clamp comprising a base plate (1), characterized in that: The upper side of the substrate (1) is movably provided with a guide mechanism (2), the inner side of the guide mechanism (2) is slidably connected with a plurality of annularly distributed sliding blocks (3), the upper side of each of the plurality of sliding blocks (3) is fixedly connected with a clamping block (4), the outer side of the guide mechanism (2) is movably sleeved with a protective shell (5), the inner side of the protective shell (5) is fixedly connected with four annularly distributed fixing mechanisms (6), and the inner side of the upper wall of the protective shell (5) is fixedly sleeved with a sealing mechanism (7). The fixing mechanism (6) comprises a clamping seat (61), the outer side of the clamping seat (61) is fixedly connected to the inner side of the protective shell (5), the inner side of the clamping seat (61) is movably sleeved with a rotating rod (62), the upper end of the rotating rod (62) is fixedly connected with a clamping plate (63), the lower end of the rotating rod (62) is rotatably connected to the position close to the edge of the upper side of the substrate (1), and the first torsional spring is movably arranged between the lower end of the rotating rod (62) and the front upper side of the substrate (1).

2. A mechanical manufacturing expander clamp as defined in claim 1, wherein: The inner side of the rotating rod (62) is movably sleeved with a transmission block (64), the inner side of the rotating rod (62) is movably sleeved with a spring (65), and the spring (65) is located on the lower side of the transmission block (64).

3. A mechanical manufacturing expander clamp as defined in claim 2 wherein: The position close to the edge of the upper wall of the protective shell (5) is rotatably connected with a cover plate (66), and the cover plate (66) is located on the upper side of the transmission block (64), the second torsional spring is movably arranged between the lower side of the cover plate (66) and the upper side of the protective shell (5).

4. A mechanical manufacturing expander clamp as defined in claim 1 wherein: The sealing mechanism (7) comprises a sealing plate (71), the outer side of the sealing plate (71) is fixedly sleeved on the inner side of the upper wall of the protective shell (5), the inner side of the sealing plate (71) is rotatably connected with a plurality of annularly distributed rotating plates (72), and the third torsional spring is movably arranged between the rotating position of each of the plurality of rotating plates (72) and the inner side of the sealing plate (71).

5. A mechanical manufacturing expander clamp as defined in claim 4 wherein: The upper surface of the sealing plate (71) is provided with a plurality of annularly distributed clamping holes (73) close to the edge, the inner side of each of the plurality of rotating plates (72) is movably sleeved with a limiting plate (74) close to the edge, and the lower side of each of the plurality of limiting plates (74) is movably provided with a spring piece (75).

6. A mechanical manufacturing expander clamp as defined in claim 4 wherein: The inner side of the upper surface of the sealing plate (71) is provided with a plurality of annularly distributed accommodating grooves (76) close to the edge.

7. A mechanical manufacturing expander clamp as defined in claim 5 wherein: The inner side of each of the plurality of clamping holes (73) is fixedly sleeved with a rubber sheet (77) close to the upper side.

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