Sleeve piece forming clamp

Abstract

The utility model discloses a sleeve piece forming clamp which comprises a rotating tray, a lifting tray and a supporting table, the supporting table is composed of a plurality of layers of regular hexagon positioning blocks which are sequentially arranged from bottom to top, and the side length of the regular hexagon positioning block on the upper layer is smaller than that of the regular hexagon positioning block on the lower layer. The centers of all the regular hexagon positioning blocks are located on the central axis of the rotating tray, the lifting tray and the rotating tray are coaxially arranged, the rotating tray is driven by a rotating driving mechanism to rotate around the central axis of the rotating tray, and the lifting tray is driven by a lifting driving mechanism installed on the rotating tray to move in a lifting mode. And the lowermost regular hexagonal positioning block is fixedly connected with a lifting tray. The sleeve piece forming clamp can quickly adapt to sleeves of different models, and quick model changing without disassembly is achieved. Sleeves of various specifications can be accurately positioned, and machining equipment can be conveniently matched to machine and form the sleeves.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sleeve processing technical field, and specifically relates to sleeve piece forming clamp. BACKGROUND

[0002] The internal section of the sleeve on the torque wrench is regular hexagon, which is used for clamping the hexagonal nut. The external of the sleeve is generally circular, in order to control the sleeve to realize self-locking and other functions, the outer circumferential surface and the end surface of the sleeve need to be processed such as slotting, drilling and polishing. The sleeve needs to be clamped and positioned during the processing, so as to facilitate accurate processing with the processing equipment. Since the sizes of the sleeves are different, the existing sleeve clamp can generally only adapt to one size of the sleeve, and the clamp needs to be frequently changed, which affects the production efficiency. SUMMARY

[0003] In order to solve the above technical problems, the utility model adopts the technical scheme of sleeve piece forming clamp, which comprises rotating tray, lifting tray and support table. The support table is composed of a plurality of layers of regular hexagonal positioning blocks arranged from bottom to top. The side length of the upper layer of regular hexagonal positioning blocks is smaller than that of the lower layer of regular hexagonal positioning blocks. The centers of all the regular hexagonal positioning blocks are located on the central axis of the rotating tray. The lifting tray is coaxially arranged with the rotating tray. The rotating tray is driven by a rotating drive mechanism to rotate around the central axis of the rotating tray. The lifting tray is driven by a lifting drive mechanism installed on the rotating tray to move up and down. The lowermost layer of regular hexagonal positioning blocks is fixedly connected with the lifting tray.

[0004] As a preferred technical scheme of the above, the inside of all the regular hexagonal positioning blocks is provided with a hollow part in communication with each other. A lifting frame is arranged in the hollow part. The lifting frame moves up and down by a up-down drive mechanism installed on the lifting tray. A plurality of through holes are arranged on each of the regular hexagonal positioning blocks. A blanking rod is inserted into each of the through holes. The blanking rods are fixedly connected with the lifting frame.

[0005] As a preferred technical scheme of the above, the number of through holes on each of the regular hexagonal positioning blocks is three. The three through holes on the regular hexagonal positioning blocks form an equilateral triangle.

[0006] As a preferred technical scheme of the above, the rotating drive mechanism comprises a rotating motor. The output shaft of the rotating motor is fixedly connected with the rotating tray. The lifting drive mechanism comprises a lifting cylinder or a lifting electric push rod fixed on the rotating tray. The output shaft of the lifting cylinder or the output shaft of the lifting electric push rod is fixedly connected with the lifting tray. The up-down drive mechanism comprises an up-down cylinder or an up-down electric push rod fixed on the lifting tray. The output shaft of the up-down cylinder or the output shaft of the up-down electric push rod is fixedly connected with the lifting frame.

[0007] As the preferred technical scheme of the above, the rotating tray is fixed with a plurality of guide rods around, and the lifting tray is provided with a plurality of guide holes for the guide rods to pass through respectively.

[0008] The sleeve piece forming clamp has the advantages that: the sleeve piece forming clamp can quickly adapt to different models of sleeves, realizes quick model change without disassembly, can accurately position sleeves of various specifications, and facilitates processing equipment to process and form the sleeves. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 is a structural schematic view of the utility model;

[0010] Fig. 2 is a sectional structure schematic view of the utility model. DETAILED DESCRIPTION

[0011] The technical scheme of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are 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 belong to the protection scope of the utility model.

[0012] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0013] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0014] As Figs. 1-2As shown, the sleeve piece forming clamp comprises a rotating tray 1, a lifting tray 2 and a support table 3. The support table 3 is composed of a plurality of layers of hexagonal positioning blocks 4 arranged in sequence from bottom to top. The side length of the upper layer of hexagonal positioning blocks 4 is smaller than that of the lower layer of hexagonal positioning blocks 4. The centers of all the hexagonal positioning blocks 4 are located on the central axis of the rotating tray 1. The lifting tray 2 is coaxially arranged with the rotating tray 1. The rotating tray 1 is driven by a rotating drive mechanism to rotate around the central axis of the rotating tray 1. The lifting tray 2 is driven by a lifting drive mechanism installed on the rotating tray 1 to move up and down. The lowermost layer of hexagonal positioning blocks 4 is fixedly connected with the lifting tray 2. The sleeve is sleeved on the support table 3. The sleeve is sleeved by the corresponding hexagonal positioning blocks 4 and supported by the next hexagonal positioning block 4 to form fixation. The rotating drive mechanism drives the rotating tray 1 to rotate, thereby driving the sleeve to rotate. The lifting drive mechanism drives the lifting tray 2 to move up and down, thereby driving the sleeve to move up and down. The machining equipment such as drill and cutting tool is matched to perform drilling, slotting and sectioning operations on the circumferential surface of the sleeve.

[0015] Further, the interiors of all the hexagonal positioning blocks 4 are provided with hollow parts 5 in communication with each other. The lifting frames 6 are arranged in the hollow parts 5. The lifting frames 6 move up and down by a up-down drive mechanism installed on the lifting tray 2. Except for the uppermost layer of hexagonal positioning blocks 4, all the other hexagonal positioning blocks 4 are respectively provided with a plurality of through holes 7. The blanking rods 8 are respectively inserted into the through holes 7 and fixedly connected with the lifting frames 6.

[0016] Further, the number of the through holes 7 on each hexagonal positioning block 4 is three. The three through holes 7 on the hexagonal positioning block 4 enclose an equilateral triangle. When the sleeve is blanked, the sleeve is lifted to a certain height by the three blanking rods 8, thereby facilitating the use of a mechanical hand or manual operation to take down the sleeve.

[0017] Further, the rotating drive mechanism comprises a rotating motor 9. The output shaft of the rotating motor 9 is fixedly connected with the rotating tray 1. The lifting drive mechanism comprises a lifting electric push rod 10 fixed on the rotating tray 1. The output shaft of the lifting electric push rod 10 is fixedly connected with the lifting tray 2. The up-down drive mechanism comprises an up-down electric push rod 11 fixed on the lifting tray 2. The output shaft of the up-down electric push rod 11 is fixedly connected with the lifting frame 6. In order to improve the control precision, the lifting electric push rod 10 can also be replaced by a screw rod structure. An electrical slip ring is installed on the circumferential surface of the rotating tray 1. The lifting drive mechanism and the up-down drive mechanism are connected with a power source or an air source through the electrical slip ring.

[0018] Further, a plurality of guide rods 12 are fixed around the rotating tray 1. A plurality of guide holes 13 for the guide rods 12 to pass through are arranged around the lifting tray 2. The cooperation of the guide rods 12 and the guide holes 13 makes the lifting tray 2 and the support table 3 on the lifting tray 2 move up and down stably.

[0019] It is worth mentioning that the rotating motor 9, the lifting electric push rod 10, the up and down electric push rod 11 and the like technical features involved in the utility model patent application should be regarded as the prior art, the specific structure, working principle and the control mode, spatial arrangement mode possibly involved of these technical features can be selected by the conventional selection in the field, and should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further expanded and described in detail.

[0020] The preferred embodiments of the utility model are described in detail above, and it should be understood that those skilled in the art can make many modifications and changes according to the concept of the utility model without creative labor, therefore, all the technical solutions obtained by logical analysis, reasoning or limited experiments on the basis of the prior art according to the concept of the utility model by those skilled in the art should be within the protection scope determined by the claims.

Claims

1. A sleeve forming jig characterized by, The device comprises a rotating tray, a lifting tray and a supporting table, the supporting table is composed of a plurality of layers of hexagonal positioning blocks arranged from bottom to top, the side length of the hexagonal positioning block in the upper layer is smaller than that of the hexagonal positioning block in the lower layer, the centers of all the hexagonal positioning blocks are located on the central axis of the rotating tray, the lifting tray is coaxially arranged with the rotating tray, the rotating tray is driven by a rotating driving mechanism to rotate around the central axis of the rotating tray, the lifting tray is driven by a lifting driving mechanism installed on the rotating tray to move up and down, and the lowest hexagonal positioning block is fixedly connected with the lifting tray.

2. The sleeve forming jig of claim 1, wherein The inside of all the hexagonal positioning blocks is provided with hollow parts in communication with each other, a lifting frame is arranged in the hollow part, the lifting frame moves up and down by an up-down driving mechanism installed on the lifting tray, a plurality of through holes are arranged on each of the hexagonal positioning blocks, a blanking rod is respectively inserted into each of the through holes, and the blanking rod is fixedly connected with the lifting frame.

3. The sleeve forming jig of claim 2 wherein, The number of the through holes on each of the hexagonal positioning blocks is three, and the three through holes on the hexagonal positioning block enclose an equilateral triangle.

4. The sleeve forming jig of claim 2 wherein, The rotating driving mechanism comprises a rotating motor, the output shaft of the rotating motor is fixedly connected with the rotating tray, the lifting driving mechanism comprises a lifting cylinder or a lifting electric push rod fixed on the rotating tray, the output shaft of the lifting cylinder or the output shaft of the lifting electric push rod is fixedly connected with the lifting tray, and the up-down driving mechanism comprises an up-down cylinder or an up-down electric push rod fixed on the lifting tray, the output shaft of the up-down cylinder or the output shaft of the up-down electric push rod is fixedly connected with the lifting frame.

5. The sleeve forming jig of claim 4 wherein, A plurality of guide rods are fixed around the rotating tray, and a plurality of guide holes through which the guide rods pass are arranged around the lifting tray.

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