Rapid clamping device for arc-shaped parts

Abstract

The utility model relates to the field of clamping of arc-shaped parts, in particular to a rapid clamping device for arc-shaped parts. Comprising a base, a placing cavity is formed in the top of the base, a threaded hole is formed in the center of the bottom of the base, two sets of object placing grooves are symmetrically formed in the top of the base, a set of arc-shaped parts are arranged in each set of object placing grooves, a pressing ring is arranged in the placing cavity, and a pressing plate is arranged over the base. A through hole is formed in the center of the top of the pressing plate, a locking screw is arranged over the through hole, and the output end of the locking screw penetrates through the through hole and then is in threaded connection with the interior of the threaded hole. According to the embodiment, the arc-shaped part is fixed through the action of tightening the locking screw, the preparation time and the workpiece replacement time can be shortened through the rapid and effective clamping process, therefore, the overall working efficiency is improved, the mechanical structure is simple, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to arc part clamping technical field, especially related to a kind of arc part quick clamping device. BACKGROUND

[0002] Arc part refers to the part with circular arc structure in machining, and the main purpose of arc part clamping is to ensure that the part remains stable during machining to prevent it from moving or deforming during machining, thereby ensuring machining accuracy and product quality.

[0003] Through retrieval, prior art, Chinese patent publication number: CN219853285U, authorized announcement date: October 20, 2023, discloses an arc part clamping device, which comprises a workbench, a motor is fixedly installed on the right side of the workbench, a double-thread rod is fixedly connected to the left side of the output shaft of the motor and extends through the inner wall of the workbench, two symmetrically distributed sliding blocks are screw-connected to the surface of the double-thread rod, a support column is fixedly installed on the top of each sliding block, a gas cylinder is fixedly installed in the support column, a pressure plate is fixedly installed on the top of the extension end of the gas cylinder and is slidingly connected to the support column, and two symmetrically distributed hydraulic push rods are fixedly installed on the top of the workbench. The above embodiment has the advantage of preventing the occurrence of defective products due to the depression of the arc part during machining by supporting the bottom of the arc part with a hydraulic push rod.

[0004] However, the device still has the following defects: the above-mentioned mechanical structure is complex and does not have a quick clamping effect. If it cannot be quickly clamped, it will result in slow fixing speed, thereby reducing work efficiency, which is not conducive to reducing preparation time and workpiece replacement time and increasing production cost. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the utility model provides a kind of arc part quick clamping device, including base, the top of the base is equipped with placing cavity, the bottom center of the base is equipped with screw hole, the top of the base is symmetrically equipped with two groups of storage groove, each group of storage groove is provided with a group of arc part, the placing cavity is provided with compression ring, the top of the base is provided with compression plate, the top center of the compression plate is equipped with through-hole, the through-hole is provided with locking screw above, the output end of the locking screw is connected in screw hole after penetrating through-hole.

[0006] Further, the screw hole is communicated with the placing cavity, and the two groups of storage grooves are communicated with the hollow groove.

[0007] Further, the top of the base is equipped with hollow groove, and the hollow groove is communicated with the placing cavity.

[0008] Further, the middle axis of the compression ring and the base is located on the same vertical line, and a rubber coating is arranged on the compression ring.

[0009] Further, the rubber coating increases the friction and protects the surface of the arc-shaped part from damage.

[0010] Further, the bottom of the compression ring is slidably attached to the inner wall of the bottom of the base, and the two groups of arc-shaped parts are attached to the outer wall of the compression ring on the side wall close to the compression ring, and an opening is arranged on the compression ring.

[0011] Further, the outer wall of the compression plate is attached to the inner wall of the compression ring, and the middle axis of the compression plate and the middle axis of the compression ring are located on the same vertical line.

[0012] The beneficial effects of the utility model are:

[0013] 1. After the rotating locking screw is screwed through the through hole and is screwed in the threaded hole or is penetrated through the threaded hole, all the components are locked to the base through the compression plate, the fixing of the arc-shaped part is completed through the action of tightening the locking screw, the quick and effective clamping process helps to reduce the preparation time and the workpiece replacement time, thereby improving the overall work efficiency, the mechanical structure is simple, and the production cost is reduced.

[0014] 2. With the increase of the pressure of the compression plate, the compression ring generates outward tension due to the pressure from above and the reaction force of the base, so that the arc-shaped parts of different sizes and shapes can be adapted, the application range of the device is enhanced, the inward wall of the compression ring is tightly attached and extruded to the arc-shaped parts, so that they are stably attached to the inner wall of the base, the rubber coating arranged on the compression ring increases the friction, and the surface of the part is protected from damage.

[0015] Other features and advantages of the utility model will be described in the subsequent description, and some of them will become apparent from the description, or will be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structure indicated in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0017] Figure 1 The utility model discloses a clamping device structure schematic diagram is shown.

[0018] Figure 2 A cross-sectional view of the clamping device is shown according to an embodiment of the utility model;

[0019] Figure 3 A split view of the clamping device is shown according to an embodiment of the utility model.

[0020] In the figure: 1, base; 2, placing cavity; 3, threaded hole; 4, empty slot; 5, storage slot; 6, arc-shaped part; 7, compression ring; 8, opening; 9, compression plate; 10, through hole; 11, locking screw; 12, rubber coating. DETAILED DESCRIPTION

[0021] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely explained below in combination with the drawings in the embodiments of the utility model. 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 fall within the protection scope of the utility model.

[0022] The embodiments of the utility model provide a kind of arc-shaped part quick clamping device, including base 1, exemplary, as shown in Figure 1 , Figure 2 And Figure 3 As shown, the top of the base 1 is provided with a placing cavity 2, the bottom center of the base 1 is provided with a threaded hole 3, the threaded hole 3 is communicated with the placing cavity 2, the top of the base 1 is provided with an empty slot 4, the empty slot 4 is communicated with the placing cavity 2, the top of the base 1 is symmetrically provided with two groups of storage slots 5, two groups of the storage slots 5 are communicated with the empty slot 4, a group of arc-shaped parts 6 is arranged in each group of the storage slots 5, a compression ring 7 is arranged in the placing cavity 2, the compression ring 7 and the central axis of the base 1 are located on the same vertical line, a rubber coating 12 is arranged on the compression ring 7, the rubber coating 12 increases friction, protects arc-shaped part 6 surface from damage, the bottom of the compression ring 7 is slidably attached to the inner wall of the bottom of the base 1, the side wall of two groups of the arc-shaped parts 6 close to the compression ring 7 is attached to the outer wall of the compression ring 7, the compression ring 7 is provided with an opening 8, the compression plate 9 is arranged above the base 1, the through hole 10 is arranged in the top center of the compression plate 9, the locking screw 11 is arranged above the through hole 10, the output end of the locking screw 11 is screwed into the threaded hole 3 after penetrating the through hole 10, the outer wall of the compression plate 9 is attached to the inner wall of the compression ring 7, the central axis of the compression plate 9 and the central axis of the compression ring 7 are located on the same vertical line.

[0023] Working principle: first, two arc-shaped parts 6 are placed in two groups of storage slots 5, then the compression ring 7 is placed in the placement cavity 2, the opening 8 on the compression ring 7 allows it to generate outward tension under stress, then the compression plate 9 is placed on the compression ring 7, the compression plate 9 can uniformly apply pressure to the entire surface of the compression ring 7, thereby ensuring balanced distribution of clamping force, rotate the locking screw 11 through the through hole 10 and threadedly connect it in the threaded hole 3 or pass through the threaded hole 3, lock all components together through the compression plate 9 to the base 1, complete the fixation of the arc-shaped parts 6 through the action of tightening the locking screw 11, simple and convenient operation, at the same time, if necessary Adjust the clamping force, it can also be easily achieved by adjusting the screw.

[0024] When tightening the locking screw 11, the locking screw 11 will force the compression plate 9 to move downward, thereby exerting downward pressure on the compression ring 7, as the pressure of the compression plate 9 increases, the compression ring 7 will generate outward tension due to the pressure from above and the reaction force of the base 1, thus it can adapt to different sizes and shapes of arc-shaped parts 6, enhancing the application range of the device, this tension will make the inner wall of the compression ring 7 tightly adhere to and extrude the arc-shaped parts 6, so that they are firmly against the inner wall of the base 1, achieving fast and effective clamping.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A quick clamping device for arc-shaped parts, comprising a base (1), characterized in that: The base (1) has a placement cavity (2) at the top and a threaded hole (3) at the center of the bottom. The base (1) has two sets of storage slots (5) symmetrically arranged at the top. Each set of storage slots (5) is provided with a set of arc-shaped parts (6). The placement cavity (2) is provided with a clamping ring (7). The base (1) is provided with a clamping plate (9) directly above it. The clamping plate (9) has a through hole (10) at the center of the top. The through hole (10) is provided with a locking screw (11) directly above it. The output end of the locking screw (11) passes through the through hole (10) and is threaded into the threaded hole (3).

2. The quick clamping device for arc-shaped parts according to claim 1, characterized in that: The top of the base (1) is provided with a slot (4), which is connected to the placement cavity (2).

3. The quick clamping device for arc-shaped parts according to claim 2, characterized in that: The threaded hole (3) is connected to the placement cavity (2), and both sets of the placement slots (5) are connected to the empty slot (4).

4. The quick clamping device for arc-shaped parts according to claim 2, characterized in that: The central axes of the clamping ring (7) and the base (1) are located on the same vertical line, and the clamping ring (7) is provided with a rubber coating (12).

5. The quick clamping device for arc-shaped parts according to claim 4, characterized in that: The rubber coating (12) increases friction and protects the surface of the arc-shaped part (6) from damage.

6. The quick clamping device for arc-shaped parts according to claim 5, characterized in that: The bottom of the clamping ring (7) is slidably attached to the bottom inner wall of the base (1), and the two sets of arc-shaped parts (6) are attached to the outer wall of the clamping ring (7) on the side wall of the clamping ring (7). An opening (8) is provided on the clamping ring (7).

7. The quick clamping device for arc-shaped parts according to claim 1, characterized in that: The outer wall of the pressing plate (9) is in contact with the inner wall of the pressing ring (7), and the central axis of the pressing plate (9) and the central axis of the pressing ring (7) are on the same vertical line.

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