CN219170236U - A machine tool rotating base for clamping sheet metal parts - Google Patents

Abstract

The utility model discloses a machine tool rotating base for clamping sheet metal parts. It includes a base and a substrate mounted on the base through a rotating shaft. The substrate rotates under the drive of the motor. There is at least one station on the substrate. It includes a first air cylinder, a connecting piece and a clamp arm. The bottom end of the clamp arm is connected with a slide block, and a guide rail for adapting to the slide block is arranged on the base plate. Cylindrical bosses are provided, and strip-shaped holes are opened on both side ends of the connecting piece. The utility model relies on the horizontal clamp, the corner cylinder and the push clamp to realize the multi-directional clamping effect on the horizontal and vertical directions of the sheet metal; at the same time, the horizontal clamp can realize the clamping drive of the two-way clamping arm only by relying on a single cylinder. , so that the use of cylinders can be reduced in design, and the space required for the driver can be reduced.

Description

A machine tool rotating base for clamping sheet metal parts

technical field

The utility model relates to the technical field of machine tool processing clamping seats, in particular to a machine tool rotating base for clamping sheet metal parts.

Background technique

As we all know, in the production of industrial workshops, it is more common to process sheet metal parts (such as back shells, front shells, frame plates, etc.), such as punching, cutting, polishing, etc., and when performing such processing on molds, It is necessary to place the mold firmly on the machine tool, that is, it is fixedly installed on the base of the machine tool, and the tools that will be used on the base are fixtures.

At present, the base on the existing machine tool is simply to satisfy the stable clamping function of the sheet metal parts, and for the clamping of the fixture, it is set up on the frame or inner frame of the sheet metal part or at a specific position. Cylinder fixtures, such as an adjustable cylinder fixture disclosed in Patent No. CN202022936900.0, and a cylinder fixture for workpiece processing disclosed in Patent No. CN202110163072.8. It can thus be seen that according to the number of clamping points, there is a corresponding number of cylinder clamps. This will make it necessary to install an equal number of drivers (cylinders), which will increase the footprint of the substrate, and there will be multiple numbers of air pump tubes, especially for the base that also has a rotating function, the number of air pump tubes Too much, it is easy to bring troubles in operation. Moreover, for the rotating base, the clamping function is not only enough to satisfy the left and right clamping, but also needs to satisfy the up and down clamping function, so that the whole has a multi-directional clamping function, thereby avoiding positional deviation during the rotation process.

Utility model content

In view of the deficiencies in the above-mentioned prior art, the purpose of this utility model is to provide a machine tool rotary base for clamping sheet metal parts that can provide multi-directional clamping functions.

In order to achieve the above object, the utility model adopts the following technical solutions:

A machine tool rotating base for clamping sheet metal parts, including a base and a base plate mounted on the base through a rotating shaft, the base plate rotates under the drive of a motor, and at least one station is arranged on the base plate. The base plate is provided with a transverse clamp, a corner cylinder and a push clamp at the station. The transverse fixture includes a first cylinder, four connecting pieces and two mutually symmetrical clamping arms. The first cylinder is located on the platform of the station. Below the plate, the two clamping arms are respectively located on the two sides of the station, the bottom end of the clamping arm is connected with a slider, the top of the clamping arm is provided with a detachable clamping head, and the base plate is provided with a useful On the guide rail adapted to the slider, the slider, the middle part of the connecting block and the pushing head of the first cylinder are all provided with cylindrical protrusions, the connecting piece is "L" shaped, and the connecting piece There are strip-shaped holes on the two side ends of the foot, and the base plate is provided with an avoidance cavity at the movable range of the connecting piece. In the shaped hole, the boss on the connecting piece is hinged on the cavity wall of the avoidance cavity;

The pushing head of the corner cylinder is placed above the station, the pushing fixture includes a second cylinder and a pushing block, a connecting rod is hinged in the middle of the pushing block, and the other end of the connecting rod is fixedly connected to On the second cylinder, the lower end of the push block is hingedly connected with the push head of the second cylinder, and the upper end of the push block is detachably equipped with a push head, and the station is relatively opposite to the push clamp. The symmetrical end is provided with a limit block, and the top surface of the limit block is adapted to the outer shape of the sheet metal part.

Preferably, support columns for touching the bottom of the sheet metal parts are uniformly arranged on the station.

Preferably, two ends of the substrate are respectively provided with receiving seats, and the receiving seats are connected to the base through a rotating shaft, and the rotating shaft of one of the receiving seats forms a fixed connection with the rotating shaft of the motor, and the rotating shaft on the other receiving seat The connection between the bearing seat and the base is formed, and the base plate is locked on the receiving seat by bolts.

Due to the adoption of the above scheme, the utility model can realize the multi-directional clamping effect on the horizontal and vertical directions of the sheet metal parts by relying on the horizontal clamp, the corner cylinder and the push clamp, so that it can better meet the needs of the substrate during the rotation process. It is stable and can effectively avoid the deviation of sheet metal parts; at the same time, the horizontal clamp can realize the clamping drive of the two-way clamp arm only by relying on a single cylinder, so that the use of cylinders can be reduced in design, and the space required for the drive can be reduced , which can make the structure more in line with the design requirements of the rotating base.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model.

Fig. 2 is a schematic structural view of the substrate of the embodiment of the present invention.

Fig. 3 is a schematic structural view of a transverse clamp according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of the unfolded transverse clamp of the embodiment of the utility model.

Fig. 5 is a schematic structural view of the clamping of the lateral clamps according to the embodiment of the present invention.

Fig. 6 is a schematic diagram of the structure of the pushing fixture according to the embodiment of the present invention when it is in motion.

Fig. 7 is a schematic diagram of the structure of the pushing fixture according to the embodiment of the present invention after being reset.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Disassemble the connection, or connect in one piece. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

As shown in Figures 1 to 7, the present embodiment provides a machine tool rotating base for clamping sheet metal parts, including a base 1 and a base plate 2 mounted on the base 1 through a rotating shaft. Driven by the motor 11 to rotate, the substrate 2 is provided with at least one station 3, and the substrate 2 is provided with a transverse clamp 4, a corner cylinder 5 and a push fixture 6 at the station 3, and the transverse fixture 4 includes The first cylinder 41, four connecting pieces 42 and two mutually symmetrical clamping arms 43, the first cylinder 41 is located under the platen of the station 3, and the two clamping arms 43 are respectively located on both sides of the station 3 Side, the bottom end of the clamp arm 43 is connected with a slide block 44, the top end of the clamp arm 43 is provided with a detachable clamp head 45, the base plate 2 is provided with a guide rail 21 adapted to the slide block 44, The middle part of the slider 44, the connecting block 42 and the pushing head of the first cylinder 41 are all provided with a cylindrical boss 46, and the connecting piece 42 is "L" shaped, and the two connecting pieces 42 Strip holes 47 are provided on the side and end legs, and the base plate 2 is provided with an avoidance cavity 22 at the movable range of the connecting piece 42. The sliding block 44 and the boss 46 on the first cylinder 41 are respectively installed In the strip-shaped hole 47 on the connecting piece 42, the boss 46 on the connecting piece 42 is hinged on the cavity wall of the avoidance cavity 22;

The pushing head of the corner cylinder 5 is placed above the station 3, and the pushing fixture 6 includes a second cylinder 61 and a pushing block 62, and a connecting rod 63 is hinged in the middle of the pushing block 62, so that The other end of the connecting rod 63 is fixedly connected to the second cylinder 61, the lower end of the push block 62 is hingedly connected with the push head of the second cylinder 61, and the upper end of the push block 62 is detachably installed with a top The pushing head 64 , the symmetrical end of the station 3 relative to the pushing fixture 6 is provided with a limiting block 7 , and the top surface of the limiting block 7 is adapted to the outer shape of the sheet metal part 100 .

This embodiment mainly relies on the horizontal clamp 4, the corner cylinder 5 and the push clamp 6 to realize the multi-directional clamping effect on the horizontal and vertical directions of the sheet metal part 100, so that it can better meet the needs of the substrate 2 during the rotation process. It is stable and can effectively avoid the offset of the sheet metal part 100; at the same time, the four horizontal clamps can realize the clamping drive of the two-way clamp arm 43 by relying on a single cylinder, so that the use of cylinders can be reduced in design, and the cost of the drive can be reduced. Space is required, which can make the structure more in line with the design requirements of the rotating base.

During specific clamping work, the motor 11 is first reset to the initial position, that is, the base plate 2 is in a horizontal state, and then the clamping work of the sheet metal part 100 can be prepared. When clamping, first place the sheet metal part 100 flat on the station 3, and then open the push fixture 6, as shown in Figure 6, the push block 62 is pushed back by the second cylinder 61 of the push fixture 6. Pull, so that the push block 62 rotates along a connecting rod 63 as a fulcrum, so that the push block 62 pushes the sheet metal part 100 toward the limit block 7, ensuring that the limit block 7 forms contact with the sheet metal part 100 , so that the position of the sheet metal part 100 can be corrected in this direction. At this time, the second cylinder 61 is held, so that there is a movement limit of the sheet metal part 100 in this direction. After the preliminary positioning of the sheet metal part 100, the transverse clamp 4 is opened to work, as shown in Figure 4 and Figure 5, that is, the first cylinder 41 retracts, that is, the pushing head of the first cylinder 41 moves downward, and at this time it will Under the action of the connecting piece 42 and the protruding post 46, the clamp arm 43 is moved synchronously and centered along the guide rail 21. During the movement, the sheet metal part 100 will be centered and aligned again, and then clamped. After the first cylinder 41 drives the clamp arm 43 to clamp the sheet metal part 100 , the second air cylinder 61 will reset so that the pushing head 64 on the pushing block 62 is placed on the lower end surface of the sheet metal part 100 . Finally, drive the corner cylinder 5 to work, according to the corner cylinder 5 (because the corner cylinder 5 is a standard part, its specific structure and internal driving principle are knowledge points well known to those skilled in the art, so no more details are given here). The working principle is that when turning to the top of the sheet metal part 100 and continuing to work, the sheet metal part 100 will be pressed down, and finally the overall clamping work for the sheet metal part 100 will be realized. Wherein, for the chuck 45 on the clamp arm 43 and the push head 64 on the push block 62, all adopt a detachable structure, which can be realized by using some hardware such as bolts, and this detachable structure According to the structural design of the clamped sheet metal parts 100, the chuck 45 and the push head 63 of different materials can be replaced correspondingly. If there is no need for special protection, the metal material can be directly used, and it needs to be played. For flexible protection, you can replace the soft rubber or rubber material.

Further, in order to facilitate the sheet metal parts 100 to be pushed more smoothly when they are in the proofreading position, support columns 31 are evenly arranged on the station 3 of this embodiment, and the top ends of the support columns 31 are used to form the supporting sheet metal parts 100 components, and the top of the support column 31 can be set to be a smooth surface.

Further, for the specific connection design of the substrate 2, the two ends of the substrate 2 in this embodiment are respectively provided with receiving seats 23, and the receiving seats 23 are connected to the base 1 through a rotating shaft, and the rotating shaft of one of the receiving seats 23 is connected to the The rotating shaft of the motor forms a fixed connection, and the rotating shaft on the other receiving seat 23 forms a connection with the base 1 through the bearing seat 24 , and the base plate 2 is locked on the receiving seat 23 by bolts. With this design, when necessary, the base plate 2 with the corresponding structure for clamping the sheet metal part 100 can be selected and replaced according to the difference of the sheet metal part 100 .

The above are only preferred embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process conversion made by using the description of the utility model and the contents of the accompanying drawings, or directly or indirectly used in other related All technical fields are all included in the scope of patent protection of the utility model in the same way.

Claims (3)

1. The utility model provides a lathe swivel base to sheet metal component centre gripping which characterized in that: the base plate rotates under the drive of a motor, at least one station is arranged on the base plate, a transverse clamp, a corner cylinder and a pushing clamp are arranged at the station, the transverse clamp comprises a first cylinder, four connecting pieces and two clamping arms which are symmetrical to each other, the first cylinder is positioned below a bedplate of the station, the two clamping arms are respectively positioned at two side edges of the station, the bottom end of each clamping arm is connected with a sliding block, the top end of each clamping arm is provided with a detachable chuck, a guide rail which is used for being matched with the sliding block is arranged on the base plate, cylindrical protruding columns are arranged on the middle parts of the sliding blocks, the connecting blocks and the pushing heads of the first cylinder, the connecting pieces are L-shaped, holes are formed in two side end feet of the connecting pieces, the base plate is positioned in a moving range of the connecting pieces, the protruding columns on the sliding blocks and the first cylinder are respectively penetrated in the holes in the connecting pieces, and the protruding columns on the connecting pieces are hinged to the bar-shaped walls of the bar-shaped cavities;

the top of station is arranged in to the top pressure head of corner cylinder, push away anchor clamps and push away the piece including second cylinder, the middle part of pushing away the piece articulates there is a connecting rod, the connecting rod other end fixed connection is on the second cylinder, the lower limit of pushing away the piece is articulated with the promotion head of second cylinder and is connected, the upper limit of pushing away the piece is detachably installed and is pushed away the head, the station is provided with a stopper for pushing away the symmetry end of anchor clamps, the top face and the external shape adaptation of sheet metal component of stopper.

2. A machine tool rotating base for sheet metal part clamping as claimed in claim 1, wherein: support columns for propping against the bottom of the sheet metal part are uniformly distributed on the stations.

3. A machine tool rotating base for sheet metal part clamping as claimed in claim 2, wherein: the two ends of the base plate are respectively provided with a bearing seat, the bearing seats are connected with the base through rotating shafts, the rotating shaft of one bearing seat is fixedly connected with the rotating shaft of the motor, the rotating shaft of the other bearing seat is connected with the base through a bearing seat, and the base plate is locked on the bearing seats through bolts.

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