Multifunctional clamp for part finish-milling machining

Abstract

The utility model relates to the technical field of numerical control milling machine machining, in particular to a multifunctional clamp for part finish-milling machining, which comprises a clamping platform and a machined part, and further comprises a lifting mechanism, a lifting limiting mechanism and two horizontal clamping moving mechanisms, the lifting mechanism is arranged on the clamping platform, the lifting limiting mechanism is fixed on the clamping platform, and the two horizontal clamping moving mechanisms are arranged on the clamping platform. And the two horizontal clamping and moving mechanisms are arranged on the two opposite sides of the lifting mechanism symmetrically and are connected with the lifting mechanism in a sliding and sleeving mode in the vertical direction. When the lifting mechanism is used, a machined part can be lifted through the lifting mechanism, displacement in the vertical direction is achieved, meanwhile, the lifting mechanism and the machined part are limited through the lifting limiting mechanism, and dislocation in the lifting process is avoided. The two horizontal clamping and moving mechanisms can stably clamp a machined part and can move the machined part in the horizontal direction at the same time, displacement of the machined part in different directions is achieved, the use flexibility is high, and the machining quality and efficiency can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control milling machine technical field, concretely relates to a kind of multifunctional fixture for part fine milling processing. BACKGROUND

[0002] Numerical control milling machine is also called CNC milling machine. English means that milling machine is controlled by electronic digital signal, and it is an automatic processing equipment based on electronic computer numerical control. It has similarities with ordinary milling machine in processing technology and structure, but numerical control milling machine realizes automation of processing process through digital signal control, greatly improves processing precision and production efficiency. Numerical control milling machine can be divided into two categories of with tool magazine and without tool magazine, and the numerical control milling machine with tool magazine is also called machining center, which is suitable for complex shape and high-precision part processing. This equipment integrates mechanical equipment and numerical control system, and automatically completes various processing functions such as milling, boring, drilling and tapping through program control, realizes automation and high efficiency of processing process. Therefore, as an important part of advanced manufacturing and automation technology, numerical control milling machine realizes automation and high efficiency of processing process through digital control, and is one of indispensable equipment in modern manufacturing industry.

[0003] During fine milling processing of parts, the workpiece often needs to be adjusted in multiple directions, including horizontal direction and vertical direction, that is, the workpiece is displaced in different directions to adapt to the fine milling processing of tool shaft. Most of the existing technology for adjusting the workpiece is horizontal adjustment, and the vertical adjustment is less. In actual use, the workpiece often needs to be adjusted in vertical and horizontal directions to achieve better processing effect and efficiency. In addition, the clamp needs to ensure the stability of clamping the workpiece to ensure the quality of processing. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of multifunctional fixture for part fine milling processing to reach the purpose that workpiece is stably clamped by clamp in milling machine while realizing the common adjustment of horizontal direction and vertical direction.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows: a kind of multifunctional fixture for part fine milling processing is provided, comprising clamping platform and workpiece, and the innovation point is that it further comprises lifting mechanism, lifting limiting mechanism and two horizontal clamping moving mechanisms, the lifting mechanism is placed on the clamping platform, the workpiece is placed on the lifting mechanism, the lifting limiting mechanism is fixed on the clamping platform of one side of the lifting mechanism, and is slidably connected with the lifting mechanism in vertical direction, and the lifting mechanism extends to the other side opposite to the lifting limiting mechanism;Two horizontal clamping moving mechanisms are symmetrically arranged on the other two sides opposite to the lifting mechanism, and clamp the workpiece.

[0006] Further, the lifting mechanism comprises a fixed sliding member, a moving lifting member and a pushing device, the fixed sliding member and the moving lifting member are the same in shape and size, and the vertical section of each is a right-angled trapezoid, and the two inclined surfaces of the fixed sliding member and the moving lifting member coincide with each other to form a cuboid, and the coincident parts are connected by a sliding connection structure; the fixed sliding member is located above, the lifting limiting mechanism is arranged on the side surface formed by the lower bottom of the fixed sliding member, and is connected with the fixed sliding member by sliding; the pushing device is connected to the side surface formed by the lower bottom of the moving lifting member, and can push or pull the moving lifting member forward or backward.

[0007] Further, the pushing device comprises a lifting screw, a transmission fixed plate and a rotating handle, the transmission fixed plate is fixed on the clamping platform, the lifting screw is in transmission connection with the transmission fixed plate, one end of the lifting screw is connected with the rotating handle, and the other end is connected to the vertical side surface of the moving lifting member through a connecting block, and the lifting screw and the connecting block are in rotational connection.

[0008] Further, the sliding connection structure comprises a sliding rod, the upper inclined surface of the moving lifting member is provided with a connecting groove in the middle part and downward along the inclined direction, the sliding rod is fixed in the connecting groove, the lower surface of the fixed sliding member is provided with a sliding sleeve corresponding to the sliding rod, and the sliding sleeve and the sliding rod are in sliding sleeve connection.

[0009] Further, the lifting limiting mechanism comprises a limiting plate, the bottom end of the limiting plate is fixed on the clamping platform, the horizontal middle part of the limiting plate is provided with a sliding groove on the side surface away from the pushing device, the fixed sliding member is provided with a sliding member at the position corresponding to the sliding groove, and the sliding member is slidingly arranged in the sliding groove.

[0010] Further, the horizontal clamping moving mechanism comprises a fixed plate, a driving plate and a clamping plate arranged in sequence and in parallel, the clamping plate is arranged close to the workpiece, the clamping plate and the driving plate are fixedly connected through two connecting plates, the middle part of the driving plate is in transmission connection with a clamping screw, and the two ends of the driving plate are slidingly connected with limiting rods, the limiting rods and the clamping screw are arranged in parallel, the fixed plate is further provided with a clamping motor, the clamping platform is further fixed with two limiting fixed plates and a rotating plate, one end of the clamping screw is in transmission connection with the clamping motor, and the other end is in rotational connection with the rotating plate, one end of each of the two limiting rods is fixed on the fixed plate, and the other end is fixedly connected with the two limiting fixed plates.

[0011] Further, the horizontal clamping moving mechanism comprises a fixed plate, a driving plate and a clamping plate arranged in sequence and in parallel, the clamping plate is arranged close to the workpiece, the clamping plate and the driving plate are fixedly connected through two connecting plates, the middle part of the driving plate is in transmission connection with a clamping screw, and the two ends of the driving plate are slidingly connected with limiting rods, the limiting rods and the clamping screw are arranged in parallel, the fixed plate is further provided with a clamping motor, the clamping platform is further fixed with two limiting fixed plates and a rotating plate, one end of the clamping screw is in transmission connection with the clamping motor, and the other end is in rotational connection with the rotating plate, one end of each of the two limiting rods is fixed on the fixed plate, and the other end is fixedly connected with the two limiting fixed plates.

[0012] Further, the height of the clamping plate is: when the lifting mechanism is lifted to the maximum height, the clamping plate is higher than the lifting mechanism; the length of the clamping plate is less than or equal to the length of the corresponding clamping side of the workpiece.

[0013] Compared with the prior art, the utility model discloses the beneficial effects are:

[0014] The multifunctional clamp for part precision milling machining can lift the workpiece through the lifting mechanism to realize displacement in the vertical direction, and meanwhile, the lifting mechanism and the workpiece are limited through the lifting limiting mechanism to avoid displacement when lifting. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments will be simply introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0016] Figure 1 It is the whole structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model.

[0017] Figure 2 It is the whole structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model. Figure 1 It is the structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model without horizontal clamping moving mechanism.

[0018] Figure 3 It is the structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model without horizontal clamping moving mechanism. Figure 2 It is the structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model without horizontal clamping moving mechanism.

[0019] Figure 4 It is the structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model without horizontal clamping moving mechanism. Figure 3 It is the structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model without horizontal clamping moving mechanism.

[0020] Figure 5 It is the structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model without horizontal clamping moving mechanism. Figure 3 It is the structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model without horizontal clamping moving mechanism.

[0021] Figure 6 It is the structure schematic diagram of the multifunctional clamp for part precision milling machining of the utility model without horizontal clamping moving mechanism.

[0022] Wherein, 1-holding platform, 2-workpiece, 3-lifting mechanism, 31-fixed sliding member, 32-moving lifting member, 33-push device, 331-lifting screw, 332-transmission fixed plate, 333-rotary handle, 334-connection block, 34-sliding connection structure, 341-sliding rod, 342-connection groove, 343-sliding sleeve, 4-lifting limiting mechanism, 41-limiting plate, 42-sliding groove, 43-sliding member, 5-horizontal clamping moving mechanism, 51-fixed plate, 52-driving plate, 53-clamping plate, 54-connection plate, 55-clamping screw, 56-limiting rod, 57-clamping motor, 58-limiting fixed plate, 59-rotary plate. DETAILED DESCRIPTION

[0023] 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 labor fall within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] The embodiment provides a multifunctional clamp for part fine milling processing, which comprises a clamping platform 1 and a workpiece 2, and the specific structure is as shown in Figure 1 It also comprises a lifting mechanism 3, a lifting limiting mechanism 4 and two horizontal clamping moving mechanisms 5. The lifting mechanism 3 is arranged on the clamping platform 1, the workpiece 2 is placed on the lifting mechanism 3, the lifting limiting mechanism 4 is fixed on the clamping platform on one side of the lifting mechanism 3, and is slidably connected with the lifting mechanism 3 in the vertical direction. The lifting mechanism 3 extends to the other side opposite to the lifting limiting mechanism 4. When in use, the lifting mechanism 3 lifts the workpiece 2 to realize the displacement in the vertical direction. At the same time, the lifting limiting mechanism 4 limits the lifting mechanism 3 and the workpiece 2 to avoid misplacement when lifting. The two horizontal clamping moving mechanisms 5 are symmetrically arranged on the other two opposite sides of the lifting mechanism 3, and clamp the workpiece 2. While stably clamping the workpiece 2, the horizontal clamping moving mechanisms 5 can also displace the workpiece 2 in the horizontal direction, realize the displacement of the workpiece 2 in different directions, and have high use flexibility, which can guarantee the processing quality and efficiency.

[0026] Embodiment 2

[0027] The lifting mechanism 3 of the embodiment comprises a fixed sliding member 31, a moving lifting member 32 and a push device 33. The fixed sliding member 31 and the moving lifting member 32 are the same in shape and size, as shown in Figures 2-4As shown, the vertical sections are all right-angled trapezoidal, and the two inclined surfaces of the fixed sliding member 31 and the movable lifting member 32 coincide to form a cuboid, and the coinciding part is connected by the sliding connection structure 34; wherein the fixed sliding member 31 is located at the upper part, the lifting limiting mechanism 4 is arranged on the side surface formed by the lower bottom of the fixed sliding member 31, and is connected with the fixed sliding member 31 by sliding; the pushing device 33 is connected to the side surface formed by the lower bottom of the movable lifting member 32, and can push or pull the movable lifting member 32 forward or backward.

[0028] The rest is the same as example 1.

[0029] In this embodiment, the side surface formed by the lower bottom is specifically: since the right-angled trapezoid is divided into an upper bottom and a lower bottom, the lower bottom is generally parallel to the upper bottom and longer than the upper bottom, and the side surface formed by the lower bottom is the side surface where the lower bottom is located or formed.

[0030] In use, the pushing device 33 controls the movement of the movable lifting member 32 in the horizontal direction, and further controls the lifting of the fixed sliding member 31, for example, the pushing device 33 pushes the movable lifting member 32 to move in the direction of the fixed sliding member 31, and the fixed sliding member 31 will continuously move upward due to the sliding connection with the movable lifting member 32, and further drive the workpiece 2 above it to move upward, on the contrary, if the movable lifting member 32 is pulled to move away from the fixed sliding member 31, the fixed sliding member 31 will gradually descend, and further drive the workpiece 2 to descend.

[0031] Example 3

[0032] The pushing device 33 of this embodiment includes a lifting screw 331, a transmission fixed plate 332 and a rotating handle 333, the transmission fixed plate 332 is fixed on the clamping platform 1, the lifting screw 331 is in transmission connection with the transmission fixed plate 332, one end of the lifting screw 331 is connected with the rotating handle 333, and the other end is connected to the vertical side surface of the movable lifting member 32 through a connecting block 334, and the lifting screw 331 and the connecting block 334 are in rotary connection.

[0033] The rest is the same as example 2.

[0034] In use, the rotating handle 333 is rotated to make the lifting screw 331 move in the horizontal direction through the transmission connection with the transmission fixed plate 332, and further control the movement of the movable lifting member 32 in the horizontal direction.

[0035] Example 4

[0036] The sliding connection structure 34 of this embodiment includes a sliding rod 341, such as Figure 5As shown, the middle of the upper inclined surface of the moving lifting piece 32 is provided with a connecting groove 342 along the inclined direction, the slide rod 341 is fixed in the connecting groove 342, the lower surface of the fixed sliding piece 31 is provided with a sliding sleeve 343 corresponding to the slide rod 341, and the sliding sleeve 343 and the slide rod 341 are slidingly sleeved.

[0037] The rest is the same as in Embodiment 2.

[0038] The sliding connection of the fixed sliding piece 31 and the moving lifting piece 32 on the contact inclined surface ensures that the fixed sliding piece 31 can efficiently realize lifting when the moving lifting piece 32 moves, avoiding friction resistance and affecting the lifting efficiency.

[0039] Embodiment 5

[0040] The lifting limiting mechanism 4 of the embodiment comprises a limiting plate 41, as shown in the figure. Figure 6 As shown, the bottom end of the limiting plate 41 is fixed on the clamping platform 1, the horizontal middle part (i.e. the middle part in the horizontal direction) of the limiting plate 41 is provided with a sliding groove 42 away from the side surface of the pushing device 33, the fixed sliding piece 31 is provided with a sliding piece 43 corresponding to the position of the sliding groove 42, and the sliding piece 43 is slidingly arranged in the sliding groove 42.

[0041] Preferably, the horizontal cross sections of the sliding groove 42 and the sliding piece 43 of the embodiment are both arc-shaped and the arc range is greater than 180° and less than 300°. In this setting, it can be ensured that the sliding piece 43 slides in the vertical direction in the sliding groove 42 while avoiding sliding out of the sliding groove 42 in the horizontal direction, thereby affecting the limiting effect.

[0042] The rest is the same as in Embodiment 2.

[0043] The lifting limiting mechanism 4 of the embodiment limits the lifting mechanism 3 and the workpiece 2 when the lifting mechanism 3 is lifting, avoiding deviation due to the force of the moving lifting piece 32.

[0044] Embodiment 6

[0045] The horizontal clamping moving mechanism 5 of the embodiment comprises a fixed plate 51, a driving plate 52 and a clamping plate 53 arranged in parallel in sequence, the clamping plate 53 is arranged close to the workpiece 2, the clamping plate 53 and the driving plate 52 are fixedly connected through two connecting plates 54, the driving plate 52 is drivingly connected with a clamping lead screw 55 in the middle part, and the two ends are slidingly connected with limiting rods 56, the limiting rods 56 and the clamping lead screw 55 are arranged in parallel, the fixed plate 51 is further provided with a clamping motor 57, the clamping platform 1 is further fixed with two limiting fixed plates 58 and a rotating plate 59, one end of the clamping lead screw 55 is drivingly connected with the clamping motor 57, the other end is rotationally connected with the rotating plate 59, and the two limiting rods 56 are fixed at one end on the fixed plate 51 and at the other end with the two limiting fixed plates 58.

[0046] The height of the clamping plate of the embodiment is that when the lifting mechanism 3 is lifted to the maximum height, the clamping plate 53 is higher than the lifting mechanism 3; the setting makes the clamping plate 53 can always clamp the workpiece 2. The length of the clamping plate 53 is less than or equal to the length of the corresponding clamping side of the workpiece 2, which avoids the workpiece 2 from being blocked by the lifting limiting mechanism 4 when the workpiece 2 is horizontally clamped and displaced.

[0047] The rest is the same as example 5.

[0048] In use, the clamping motor 57 rotates to drive the clamping lead screw 55 to rotate, and then drive the driving plate 52 connected with the clamping lead screw 55 to move, and then control the clamping plate 53 fixedly connected with the driving plate 52 to move to clamp or displace the workpiece 2. The size of the upper surface of the lifting mechanism 3 and the size (specifically the length) of the lifting limiting mechanism 4 are both greater than the size of the lower surface of the workpiece 2 in actual use, and the workpiece 2 can be displaced in the horizontal direction, and the displacement size is determined according to the size of the workpiece 2 and the processing requirements.

[0049] The above-described embodiments are only preferred embodiments of the utility model for description, and do not limit the design concept and scope of the utility model. Without departing from the design concept of the utility model, various modifications and improvements of the technical scheme of the utility model made by ordinary engineering technicians in the art shall fall within the protection scope of the utility model. The technical content claimed by the utility model has been recorded in the technical requirements.

Claims

1. A multifunctional fixture for fine milling of a part, comprising a clamping platform and a workpiece, characterized in that: It also comprises a lifting mechanism, a lifting limiting mechanism and two horizontal clamping moving mechanisms, the lifting mechanism is placed on the clamping platform, the workpiece is placed on the lifting mechanism, the lifting limiting mechanism is fixed on the clamping platform on one side of the lifting mechanism and is slidably connected with the lifting mechanism in the vertical direction, and the lifting mechanism extends to the other side opposite to the lifting limiting mechanism; the two horizontal clamping moving mechanisms are symmetrically arranged on the other two opposite sides of the lifting mechanism and clamp the workpiece.

2. The multifunctional fixture for finish milling of parts according to claim 1, characterized in that: The lifting mechanism comprises a fixed sliding piece, a moving lifting piece and a pushing device, the fixed sliding piece and the moving lifting piece are the same in shape and size, and the vertical section is a right trapezoidal shape, and the two inclined surfaces of the fixed sliding piece and the moving lifting piece are coincided to form a cuboid shape, and the coincident parts are slidably connected through a sliding connection structure; wherein the fixed sliding piece is located at the upper part, the lifting limiting mechanism is arranged on the side surface formed by the lower bottom of the fixed sliding piece and is slidably connected with the fixed sliding piece; the pushing device is connected to the side surface formed by the lower bottom of the moving lifting piece and can push or pull the moving lifting piece forward.

3. The multifunctional fixture for finish milling of parts of claim 2, wherein: The pushing device comprises a lifting screw, a transmission fixed plate and a rotating handle, the transmission fixed plate is fixed on the clamping platform, the lifting screw is in transmission connection with the transmission fixed plate, one end of the lifting screw is connected with the rotating handle, and the other end is connected to the vertical side surface of the moving lifting piece through a connecting block, and the lifting screw and the connecting block are in rotational connection.

4. The multifunctional fixture for finish milling of parts of claim 2, wherein: The sliding connection structure comprises a sliding rod, the upper inclined surface of the moving lifting piece is provided with a connecting groove in the middle part and downward along the inclined direction, the sliding rod is fixed in the connecting groove, the lower surface of the fixed sliding piece is provided with a sliding sleeve corresponding to the sliding rod, and the sliding sleeve and the sliding rod are slidably connected.

5. The multifunctional fixture for finish milling of parts of claim 2, wherein: The lifting limiting mechanism comprises a limiting plate, the bottom end of the limiting plate is fixed on the clamping platform, the horizontal middle part of the limiting plate is provided with a sliding groove on the side surface away from the pushing device, the fixed sliding piece is provided with a sliding piece at the position corresponding to the sliding groove, and the sliding piece is slidably arranged in the sliding groove.

6. The multifunctional fixture for finish milling of parts of claim 5, wherein: The horizontal section of the sliding groove and the sliding piece is an arc shape corresponding to each other, and the range of the arc is greater than 180° and less than 300°.

7. The multifunctional fixture for finish milling of parts of claim 5, wherein: The horizontal clamping moving mechanism comprises a fixed plate, a driving plate and a clamping plate which are arranged in parallel, the clamping plate is arranged close to the workpiece, the clamping plate and the driving plate are fixedly connected through two connecting plates, the middle part of the driving plate is in transmission connection with a clamping screw, and the two ends are respectively slidably connected with limiting rods, the limiting rods and the clamping screw are arranged in parallel, the fixed plate is further provided with a clamping motor, the clamping platform is further fixed with two limiting fixed plates and a rotating plate, one end of the clamping screw is in transmission connection with the clamping motor, the other end is in rotational connection with the rotating plate, and one end of the two limiting rods is fixed on the fixed plate, and the other end is fixedly connected with the two limiting fixed plates.

8. The multifunctional fixture for finish milling of parts of claim 7, wherein: The height of the clamping plate is that when the lifting height of the lifting mechanism reaches the maximum, the clamping plate is higher than the lifting mechanism; and the length of the clamping plate is less than or equal to the length of the corresponding clamping side surface of the workpiece.

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