Upper top inner cavity positioning and clamping device

Abstract

The utility model belongs to the technical field of mechanical linkage, and particularly discloses an upper top inner cavity positioning and clamping device which comprises a bottom plate, a positioning material ejecting and clamping assembly and a positioning, fixing and stripping assembly, the positioning material ejecting and clamping assembly and the positioning, fixing and stripping assembly are arranged on the bottom plate, the positioning material ejecting and clamping assembly is located below the bottom plate, and the positioning, fixing and stripping assembly is located above the bottom plate; the positioning ejection clamping assembly comprises an air cylinder, a cushion block and an ejection block, the air cylinder is fixed to the bottom plate, the cushion block is arranged at the output end of the air cylinder, the ejection block is arranged above the cushion block, and the cushion block can drive the ejection block to move by pushing the cushion block to move through the air cylinder; the positioning and fixing stripping assembly comprises a baffle, an upper cover plate, positioning blocks and bead screws, the baffle is located on the side edge of the top block and fixed to the bottom plate, the upper cover plate is fixed to the upper portion of the baffle, the positioning blocks are fixed to the lower portion of the upper cover plate, and a plurality of bead screws are arranged in each positioning block. The precise positioning effect is achieved through the positioning block, and the auxiliary material returning effect can be achieved by arranging the ball screw on the positioning block.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical linkage technical field, concretely is a kind of upper top inner cavity positioning clamping device. BACKGROUND

[0002] Numerical control lathe is one of more widely used numerical control machine tools. It is mainly used for the cutting processing of shaft parts or disc parts, such as inner and outer cylindrical surface, inner and outer conical surface of any taper angle, complex rotary inner and outer curved surface and cylindrical, conical thread, etc., and can also be used for cutting, drilling, reaming, reaming and boring, etc.

[0003] Precise product processing is an important guarantee for driving product transformation and upgrading. According to the structural characteristics of the product, the processing factory needs to customize or manufacture equipment suitable for the processed product according to the technical parameter requirements of the processed product, and one of the indispensable devices is the upper top inner cavity positioning clamping device.

[0004] The clamping and positioning device of the existing numerical control machining center is usually clamped directly by a clamping block during the working process. However, this clamping structure is prone to deformation during the machining process of irregular structure workpieces. When the workpiece is loosened after clamping, the workpiece is easily attached to the clamping block, which affects the material removal of the workpiece. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an upper top inner cavity positioning clamping device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an upper top inner cavity positioning clamping device, comprising a base plate and a positioning material clamping assembly and a positioning fixed material removal assembly arranged on the base plate, the positioning material clamping assembly is located below the base plate, and the positioning fixed material removal assembly is located above the base plate.

[0007] The positioning material clamping assembly comprises a cylinder, a cushion block and a top block. The cylinder is fixed with the base plate, the cushion block is arranged on the output end of the cylinder, and the top block is arranged above the cushion block. The cushion block is moved by the cylinder, so that the cushion block drives the top block to move.

[0008] The positioning fixed material removal assembly comprises a baffle, an upper cover plate, a positioning block and a wave bead screw. The baffle is located at the side of the top block and is fixed with the base plate. The upper cover plate is fixed above the baffle. The positioning block is fixed below the upper cover plate. A plurality of wave bead screws are arranged in each positioning block. The positioning block plays the role of accurate positioning, and the wave bead screw arranged on the positioning block can play the role of auxiliary material removal.

[0009] As preferred in the utility model, the top block is fixed with the cushion block by bolts, so as to facilitate disassembly and maintenance in later period.

[0010] As the utility model is preferred, the top block is provided with a positioning groove above, and the shape of the positioning groove can be customized according to actual requirements.

[0011] As the utility model is preferred, the positioning groove is used for placing a workpiece, so that the workpiece can be pushed upward.

[0012] As the utility model is preferred, the top block and the positioning block are located on the same axis, so that the workpiece coincides with the positioning block when being pushed upward.

[0013] As the utility model is preferred, the wave bead screw extends out of the positioning block, so that the workpiece can extrude the wave bead screw to shrink.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model realizes initial positioning, clamping, pressing and auxiliary support of the workpiece through the positioning and material pushing clamping assembly, and the positioning and fixed material pushing assembly can assist in material pushing, so that the utility model has the advantages of compact structure, stable working state and good practicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a sectional view structural schematic diagram of the utility model;

[0017] Fig. 2 It is an explosion structural schematic diagram of the utility model.

[0018] In the drawing: 1, bottom plate; 2, positioning and material pushing clamping assembly; 201, air cylinder; 202, cushion block; 203, top block; 3, positioning and fixed material pushing assembly; 301, baffle; 302, upper cover plate; 303, positioning block; 304, wave bead screw; 4, workpiece. DETAILED DESCRIPTION

[0019] 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, not 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 scope of protection of the utility model.

[0020] In the description of the utility model, it should be explained that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0021] In the description of the utility model, still need to explain, unless another explicit provision and limitation, the term '' set '', '' install '', '' connect '', '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning in the utility model.

[0022] Please refer to Figs. 1-2 The utility model provides a technical scheme: a kind of upper top inner cavity positioning clamping device, including bottom plate 1 and the positioning top material clamping assembly 2 and positioning fixed material removal assembly 3 being set on bottom plate 1, the positioning top material clamping assembly 2 is located below bottom plate 1, and positioning fixed material removal assembly 3 is located above bottom plate 1.

[0023] Further, the positioning top material clamping assembly 2 includes cylinder 201, cushion block 202 and top block 203, cylinder 201 is fixed with bottom plate 1, cushion block 202 is arranged at the output end of cylinder 201, top block 203 is arranged above cushion block 202, cushion block 202 is moved by cylinder 201 to push, so that cushion block 202 drives top block 203 to move.

[0024] Further, the positioning fixed material removal assembly 3 includes baffle 301, upper cover plate 302, positioning block 303 and wave bead screw 304, baffle 301 is located at the side of top block 203 and is fixed with bottom plate 1, upper cover plate 302 is fixed above baffle 301, positioning block 303 is fixed below upper cover plate 302, and a plurality of wave bead screws 304 are arranged in each positioning block 303. Precise positioning is played by positioning block 303, and the function of auxiliary material removal is played by arranging wave bead screw 304 on positioning block 303.

[0025] Further, the top block 203 is fixed with the cushion block 202 by bolt, so as to facilitate disassembly and maintenance in later period.

[0026] Further, a positioning groove is formed above the top block 203, and the shape of the positioning groove can be customized according to actual requirements.

[0027] Further, the workpiece 4 is placed in the positioning groove, and the positioning groove is used for placing the workpiece 4, so as to facilitate upwardly pushing the workpiece 4.

[0028] Further, the top block 203 and the positioning block 303 are located on the same axis, so as to coincide with the positioning block 303 when the workpiece 4 is upwardly pushed.

[0029] Further, the wave bead screw 304 extends out of the positioning block 303, so that the workpiece 4 can be pressed to shrink the wave bead screw 304.

[0030] In summary, the air cylinder 201 is mounted on the bottom plate 1 through screws at corresponding positions, the cushion block 202 is mounted on the air cylinder 201 push rod of the air cylinder 201, the top block 203 is located on the left and right sides of the upper part of the bottom plate 1, and the bottom part penetrates through the cushion block 202 and is connected with the corresponding air cylinder 201 through screws. The baffle 301 is symmetrically mounted on the side of the top block 203. The upper cover plate 302 is mounted on the baffle 301 through pins and screws, the positioning block 303 is mounted on the lower end of the upper cover plate 302 through screws, and the bead screw is mounted on the positioning block 303 through the upper cover plate 302 and is adjusted to the position. Thus, the entire assembly of the upper inner cavity positioning and clamping device is completed.

[0031] The various components of the upper inner cavity positioning and clamping device are connected to form the main part of the entire upper inner cavity positioning and clamping device. The device is a machining center auxiliary product pressing and fixing device, and the power source is pneumatic. The air cylinder 201 is connected to the air in sequence, at this time the air cylinder 201 rod is in a contracted state, the workpiece 4 is placed in the upper part of the top block 203, the pneumatic switch is clicked, the air cylinder 201 rod runs upward, driving the top block 203 and the workpiece 4 to run upward together, when the workpiece 4 runs to the position where the outer side and the bottom of the positioning block 303 coincide with the inner wall and the upper plane of the workpiece 4, the running is stopped due to the limiting of the positioning block 303. At this time, the front end head of the wave bead screw 304 is contracted due to the pressure of the workpiece 4. Thus, the workpiece 4 is completed. The upper inner cavity positioning and clamping device is completed. The air cylinder 201 rod is contracted again, driving the top block 203 to run downward, the front end head of the wave bead screw 304 pushes the workpiece 4 downward, the workpiece 4 follows the top block 203 to run downward to the starting position before the upper part of the bottom plate 1, and the workpiece 4 is taken out. Thus, a complete operation is completed.

[0032] The device can realize initial positioning, clamping, pressing, auxiliary support, interlocking and other functions. The upper inner cavity positioning and clamping device has a reasonable design and a compact structure. It is suitable for aluminum die casting parts, pouring forming parts and powder metallurgy parts, and is used for realizing the positioning and clamping of products. The working state is stable, and has good practicability. Compared with the prior art, it has outstanding substantial features.

[0033] It is worth noting that the entire device is controlled by a total control button. Since the control button matches a commonly used device, it belongs to existing mature technology, and the electrical connection relationship and specific circuit structure are not described here.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A top-mounted inner cavity positioning and clamping device, characterized in that: The utility model relates to a positioning and fixing material lifting and clamping device, which comprises a bottom plate (1) and a positioning and fixing material lifting and clamping assembly (2) and a positioning and fixing material lifting and clamping assembly (3) arranged on the bottom plate (1), wherein the positioning and fixing material lifting and clamping assembly (2) is arranged below the bottom plate (1), and the positioning and fixing material lifting and clamping assembly (3) is arranged above the bottom plate (1). The positioning and fixing material lifting and clamping assembly (2) comprises a cylinder (201), a cushion block (202) and a lifting block (203), the cylinder (201) is fixed to the bottom plate (1), the cushion block (202) is arranged at the output end of the cylinder (201), and the lifting block (203) is arranged above the cushion block (202). The positioning and fixing material lifting and clamping assembly (3) comprises a baffle (301), an upper cover plate (302), a positioning block (303) and a wave bead screw (304), the baffle (301) is arranged at the side of the lifting block (203) and is fixed to the bottom plate (1), the upper cover plate (302) is fixed above the baffle (301), the positioning block (303) is fixed below the upper cover plate (302), and a plurality of wave bead screws (304) are arranged in each positioning block (303).

2. An over-the-wire internal jugular positioning and clamping device according to claim 1, wherein: The lifting block (203) is fixed to the cushion block (202) through bolts.

3. An over-the-wire internal jugular positioning and clamping device according to claim 2, wherein: A positioning groove is formed above the lifting block (203).

4. An over-the-wire internal mandrel positioning clamp device according to claim 3, wherein: A workpiece (4) is arranged in the positioning groove.

5. An over-the-wire internal jugular positioning and clamping device according to claim 1, wherein: The lifting block (203) and the positioning block (303) are arranged on the same axis.

6. An over-the-wire internal jugular positioning and clamping device according to claim 1, wherein: The wave bead screw (304) extends out of the positioning block (303).

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