Self-centering clamping rotating clamp

Abstract

The utility model relates to the technical field of machine tool automation, in particular to a self-centering clamping rotating clamp which comprises an outer sleeve, a rotating ring, a clamping block, a plug screw, a blocking rod, a shifting rod, a tension spring and a fixing bolt, the outer sleeve is made of a cylinder or a hexagon, and the end face of the outer sleeve is provided with equally-divided threaded holes, a threaded hole for fixing the tension spring and a central round hole. Threaded holes are formed in the side face of the outer sleeve, and the outer sleeve is formed by turning, milling and grinding steel and conducting heat treatment. According to the device, the problem that the automation unit is difficult to use during production changing can be solved, operators do not need to have professional skills, only proper workpieces need to be matched according to the compatible range of the rotating clamp, coordinates do not need to be adjusted during production changing, parts of the rotating clamp do not need to be adjusted, and true universality and practicability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool automation, in particular to a self-centering clamping rotating clamp. Background Art

[0002] At present, automatic loading and unloading of machine tools has become popular in the industry, especially cylindrical grinders and other machine tools as high-precision industrial mother machines, which are characterized by a wide variety of products and frequent production changes. In this case, automatic loading and unloading faces the problem of difficulty in automation and universalization of rotating clamp disassembly and assembly;

[0003] The existing device cannot realize automatic centering and clamping. Every time the product is changed, the position coordinates of the manipulator must be adjusted according to the size of the workpiece, which places high demands on the operator, is cumbersome, time-consuming, and has poor stability.

[0004] To this end, we have developed a rotating clamp product that can be applied to most products, making cylindrical grinders and other machine tools automated, universal, and practical; Utility Model Content

[0005] In view of the above problems, the utility model provides a self-centering clamping rotating clamp, which can solve the problem that manual and automated units are difficult to use universally when changing production.

[0006] In order to solve the above problems, the technical solution adopted by the utility model is:

[0007] A self-centering clamping rotating clamp, comprising an outer sleeve, a rotating ring, a clamping block, a plug screw, a shift rod, a lever, a tension spring, and a fixing bolt. The outer sleeve is made of a cylindrical or hexagonal shape. The end surface of the outer sleeve has equally divided threaded holes, threaded holes for fixing the tension spring, and a central circular hole. The side surface of the outer sleeve has threaded holes. The outer sleeve is made of steel by turning, milling, and heat treatment.

[0008] The rotating ring is made of a cylindrical shape, the end surface of the rotating ring is provided with equally divided threaded holes and avoidance holes, the side surface of the rotating ring is provided with threaded holes for fixing the tension spring, and the rotating ring is made of steel by turning, milling and grinding, and is heat treated;

[0009] Preferably, the clamping block is made of an arc shape, the arc-shaped end surface of the clamping block has an arc center offset circular hole and a sliding groove, and the clamping block is made of steel wire cutting and heat treatment.

[0010] Preferably, the driving screw is a steel driving screw.

[0011] Preferably, the shift rod adopts a steel half-thread bolt.

[0012] Preferably, the shift rod is a steel half-thread bolt.

[0013] Preferably, the tension spring is made of steel.

[0014] Preferably, the fixing bolt is a steel half-thread bolt.

[0015] The beneficial effects of the utility model are:

[0016] 1. This solution can solve the problem of difficulty in universalization when changing production of automation units.

[0017] 2This solution does not require the operator to have professional skills, but only needs to adapt the appropriate workpiece according to the compatible range of the rotating clamp.

[0018] 3. This solution does not need to adjust the coordinates or the parts of the rotating clamp when changing production, making it truly universal and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall exploded view of the utility model:

[0020] Figure 2 This is a structural diagram of the outer sleeve, rotating ring, and clamping block of the utility model;

[0021] Figure 3 This is the assembly diagram of the outer sleeve, rotating ring and clamping block of the utility model;

[0022] Figure 4 It is the overall structural diagram of the utility model;

[0023] Figure 5 This is an open state diagram of the utility model;

[0024] Figure 6 This is a clamping state diagram of the utility model;

[0025] Figure 7 It is a three-dimensional structural diagram of the clamping state of the utility model;

[0026] 1 outer sleeve, 2 rotating circle, 3 clamping block, 4 plug screw, 5 gear lever, 8 lever, 7 tension spring, 8 fixing bolt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0028] In the description of the present invention, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] Reference Figure 1-Figure 7 A self-centering clamping rotating clamp includes a jacket 1, a rotating ring 2, a clamping block 3, a plug screw 4, a gear lever 5, a lever 6, a tension spring 7, and a fixing bolt 8. The jacket 1 is made of a cylindrical or hexagonal shape. The end face of the jacket 1 has equally divided threaded holes, threaded holes for fixing the tension spring, and a cylindrical hole. The outer side of the jacket 1 has a threaded hole for fixing the gear lever. The jacket 1 can be made of steel by turning, milling, and heat treatment.

[0031] The rotating ring 2 is made of a cylinder, and the end face is provided with equally divided threaded holes and cylindrical holes. The side of the rotating ring 2 is provided with threaded holes for fixing the tension spring. The rotating ring 2 can be made of steel by turning, milling and grinding, and then subjected to heat treatment.

[0032] The clamping block 3 is made of an arc shape, and the arc end surface is provided with an arc center offset circular hole and a sliding groove. The clamping block 3 is made of steel wire cutting and heat treatment.

[0033] The plug screw 4 is a steel plug screw.

[0034] The gear lever 5 adopts a steel half-thread bolt.

[0035] The lever 6 adopts a steel half-thread bolt.

[0036] The tension spring 7 is made of steel.

[0037] The fixing bolt 8 is a steel half-thread bolt.

[0038] It should be noted that the clamping block 3 and the plug screw 4 are adapted to the round hole and the waist-shaped hole.

[0039] A method for manufacturing an automatic centering clamping rotating clamp comprises the following steps:

[0040] S1. Use a plug screw to pass through the sliding groove of the clamping block and tighten it into the equally divided threaded holes on the end face of the outer sleeve. The clamping block is installed in the same direction;

[0041] S2. Check whether the clamping block can swing. If it can, the installation is complete. If it cannot, reassemble it.

[0042] S3. Tighten the lever into the lever fixing threaded hole on the side of the outer casing.

[0043] S4. Insert the rotating ring into the circular hole of the outer ring, which can rotate freely. Pass the plug screw through the circular hole of the clamping block and tighten it into the equally divided threaded holes of the rotating ring.

[0044] S5. Check whether the rotating ring and clamping block can swing. If they can swing, the installation is complete. If not, reassemble.

[0045] S6. Tighten one end of the tension spring into the tension spring fixing threaded hole on the end face of the outer sleeve with a fixing bolt.

[0046] S7. Tighten the other end of the tension spring into the tension spring fixing threaded hole on the side of the rotating circle with a lever;

[0047] S8. Check and see if the clamping block is open after the tension spring is stressed by pushing the lever. If it is open, the installation is complete. If not, reassemble it.

[0048] Furthermore, in steps S1, S3, S4, S6 and S7, after the screws and bolts are screwed into the threaded holes, anaerobic adhesive is used for bonding.

[0049] In summary, this product is used in automated equipment and is used in conjunction with a robot / person. First, clamp the hexagon of the outer sleeve 1 on the fixed seat, turn the lever 6, and the tension spring 7 is forced to open, keeping the rotating clamp in an open state. Insert the workpiece into the center position of the rotating clamp, release the lever 6, and the tension spring contracts, then the workpiece is automatically clamped.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-centering clamping rotating clamp, characterized in that: The invention comprises a jacket (1), a rotating ring (2), a clamping block (3), a plug screw, a shift rod (5), a lever (6), a tension spring (7), and a fixing bolt (8). The jacket (1) is made of a cylindrical or hexagonal shape. The end surface of the jacket (1) has equally divided threaded holes, a threaded hole for fixing the tension spring, and a central circular hole. The outer side surface of the jacket (1) has a threaded hole for fixing the shift rod. The jacket (1) is made of steel by turning, milling, and grinding, and is heat-treated. The rotating ring (2) is made of a cylindrical shape and is adapted to the central circular hole of the outer sleeve. The end surface of the rotating ring (2) is provided with equally divided threaded holes and air-avoiding holes. The side surface of the rotating ring (2) is provided with threaded holes for fixing tension springs. The rotating ring (2) is made of steel by turning, milling and grinding, and is heat-treated. The clamping block (3) is made of an arc shape, and the arc end surface has an arc center offset circular hole and a sliding groove. The clamping block (3) is made by steel milling wire cutting and heat treatment; The plug screw (4) is made of steel and is adapted to the circular hole, the sliding groove and the thickness of the center offset of the arc-shaped end surface of the clamping block; The shift rod (5) is made of steel half-thread bolt; The lever (6) is a steel half-thread bolt; The tension spring (7) is made of steel; The fixing bolt (8) is a steel half-thread bolt.

2. A self-centering clamping and rotating clamp according to claim 1, characterized in that: The cylindrical or hexagonal upper end surface of the outer sleeve (1) is provided with equally divided threaded holes and sliding grooves.

3. A self-centering clamping and rotating clamp according to claim 1, characterized in that: The cylindrical end surface of the rotating ring (2) is provided with equally divided threaded holes, air-avoiding holes and a threaded hole on the side for fixing a tension spring.

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