Pneumatic clamp capable of achieving integration of multiple stations

Abstract

The utility model discloses a pneumatic clamp capable of achieving integration of multiple stations. The pneumatic clamp comprises a supporting and positioning mechanism, a plurality of pressing claw mechanisms arranged around the supporting and positioning mechanism at intervals and a clamp installation head detachably connected with the supporting and positioning mechanism. The supporting and positioning mechanism comprises a supporting and positioning platform and is used for placing a product; the pressing claw mechanism comprises a pressing claw and a rotary pressing cylinder for driving the pressing claw; the rotary pressing cylinder is used for driving the pressing claw to press the product on the supporting and positioning platform; and the clamp mounting head is mounted and connected with a rotary table of CNC equipment. By arranging the fixture mounting head, the whole fixture can be mounted on a rotary table of CNC (Computer Numerical Control) equipment, so that the angle adjustment of the fixture is realized, multi-station integrated machining is completed, the times of repeatedly clamping products are reduced, the consistency of machining precision is better ensured, the machining efficiency and the yield of the products are improved, and the production cost is reduced. The steps of the processing technology and the number of used equipment are reduced, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of CNC machining, in particular to a pneumatic clamp capable of realizing multi-station integration. Background Art

[0002] When CNC milling a mobile phone's back cover, multiple angles are typically required. Existing milling fixtures are often non-rotatable, so each clamping can only mill a single angle. Complete milling requires multiple clampings, and multiple machines and stations are required for sequential processing. This makes clamping and machining accuracy difficult to guarantee, and labor costs are high. Utility Model Content

[0003] The purpose of this utility model is to provide a pneumatic clamp that can realize multi-station integration. By setting a clamp mounting head, the entire clamp can be installed on the turntable of the CNC equipment, thereby realizing the angle adjustment of the clamp and completing multi-station integration processing, reducing the number of repeated clamping of products, better ensuring the consistency of processing accuracy, improving processing efficiency and product yield, reducing the steps of the processing process and the number of equipment used, and reducing labor costs.

[0004] In order to achieve the above objectives, the following technical solutions are adopted:

[0005] A pneumatic clamp capable of realizing multi-station integration comprises a supporting and positioning mechanism, a plurality of pressure claw mechanisms spaced around the supporting and positioning mechanism, and a clamp mounting head detachably connected to the supporting and positioning mechanism; the supporting and positioning mechanism comprises a supporting and positioning platform for placing products; the pressure claw mechanism comprises a pressure claw and a rotary downward-pressing cylinder for driving the pressure claw; the rotary downward-pressing cylinder is used to drive the pressure claw to press the product onto the supporting and positioning platform; the clamp mounting head is mounted and connected to the turntable of a CNC device.

[0006] Preferably, it also includes at least one side push positioning mechanism, which is arranged on one of the outer sides in the length direction of the supporting positioning platform; the side push positioning mechanism includes a side push block arranged on the outer side of the supporting positioning platform, and a side push driving member for driving the side push block to move closer to or away from the outer side surface of the supporting positioning platform.

[0007] Preferably, the support and positioning mechanism further includes at least one positioning pin provided on the top of the support and positioning platform.

[0008] Preferably, the supporting and positioning mechanism further comprises at least one vacuum adsorption head provided on the top of the supporting and positioning platform for adsorbing and positioning the product.

[0009] Preferably, it also includes a blowing device arranged on the outside of one end of the supporting positioning platform, which is used to blow away waste chips on the surface of the product.

[0010] Preferably, it also includes a pneumatic switch for controlling the claw pressing mechanism.

[0011] Preferably, the fixture mounting head includes a platform plate connected to the bottom of the supporting positioning platform, and a mounting bracket connected to the bottom of the platform plate and extending to the outside of one end of the supporting positioning platform; a flange positioning ring is embedded in the outer end side of the mounting bracket; and the pressure claw mechanism is installed on the platform plate.

[0012] By adopting the above solution, the beneficial effects of the utility model are:

[0013] This utility model provides a fixture mounting head, allowing the entire fixture to be mounted on the turntable of the CNC equipment, thereby achieving angle adjustment of the fixture and completing multi-station integrated processing. This reduces the number of repeated product clamping times, better ensures the consistency of processing precision, improves processing efficiency and product yield, reduces the number of processing steps and the number of equipment used, and reduces labor costs. In addition, by providing a support positioning mechanism and a pressure claw mechanism, the product can be quickly positioned and clamped, further improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a three-dimensional diagram of the support positioning mechanism and the side push positioning mechanism of the utility model;

[0016] The accompanying drawings illustrate:

[0017] 1—support and positioning mechanism, 2—pressing claw mechanism,

[0018] 3—fixture installation head, 4—side push positioning mechanism,

[0019] 5—air blowing device, 6—pneumatic switch,

[0020] 11—support positioning platform, 12—positioning pin,

[0021] 13—vacuum adsorption head, 21—pressure claw,

[0022] 22—rotating downward pressure cylinder, 31—platform plate,

[0023] 32—Mounting bracket, 33—Flange positioning ring,

[0024] 41—side thrust block, 42—side thrust driving member. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0026] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0027] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0028] Reference Figures 1 to 2 As shown, the utility model provides a pneumatic clamp that can realize multi-station integration, including a supporting and positioning mechanism 1, a plurality of pressing claw mechanisms 2 arranged at intervals around the supporting and positioning mechanism 1, and a clamp mounting head 3 detachably connected to the supporting and positioning mechanism 1; the supporting and positioning mechanism 1 includes a supporting and positioning platform 11 for placing products; the pressing claw mechanism 2 includes a pressing claw 21, and a rotary pressing cylinder 22 for driving the pressing claw 21; the rotary pressing cylinder 22 is used to drive the pressing claw 21 to press the product onto the supporting and positioning platform 11, and the rotary pressing cylinder 22 has its own rotating rising and rotating pressing functions.

[0029] In a specific embodiment, the supporting and positioning platform 11 has a rectangular structure, and six pressing claw mechanisms 2 are provided, with two pressing claw mechanisms 2 corresponding to each long side of the supporting and positioning platform 11 and one pressing claw mechanism 2 corresponding to each short side of the supporting and positioning platform 11.

[0030] In addition, the pneumatic clamp provided by the present invention, which can realize multi-station integration, also includes at least one side push positioning mechanism 4, which is arranged on one outer side of the support positioning platform 11 in the longitudinal direction; the side push positioning mechanism 4 includes a side push block arranged on the outer side of the support positioning platform 11, and a side push driving member 42 for driving the side push block 41 toward or away from the outer side of the support positioning platform 11. Specifically, the side push driving member 42 is a cylinder installed at the bottom of the support positioning platform 11.

[0031] The support and positioning mechanism 1 further includes at least one positioning pin 12 and at least one vacuum adsorption head 13 provided on the top of the support and positioning platform 11. The vacuum adsorption head 13 is used to adsorb and position the product. Specifically, there are two positioning pins 12 and two vacuum adsorption heads 13.

[0032] It also includes a blowing device 5 arranged on the outside of one end of the supporting positioning platform 11, which is used to blow away waste chips on the surface of the product to prevent the waste chips from scratching the surface of the product.

[0033] Also comprise for controlling the pneumatic switch 6 of pressing claw mechanism 2. Specifically, pneumatic switch 6 pneumatic valve.By setting pneumatic switch 6, can control all rotation pressing cylinder 22 synchronous action.

[0034] The fixture mounting head 3 includes a platform plate 31 connected to the bottom of the supporting positioning platform 11, and a mounting bracket 32 ​​connected to the bottom of the platform plate 31 and extending to the outside of one end of the supporting positioning platform 11; a flange positioning ring 33 is embedded on the outer end side of the mounting bracket 32; the pressure claw mechanism 2 is installed on the platform plate 31.

[0035] The fixture mounting head 3 is connected to the turntable of the CNC equipment. Furthermore, the fixture mounting head 3 cooperates with the shaft motor on the turntable of the CNC equipment through its flange positioning ring 33, which can drive the entire fixture to rotate at an angle, so as to process multiple angles of the product, and realize the function of multi-angle processing in one clamping, thereby reducing the number of repeated clamping times, better ensuring the consistency of processing accuracy, and improving processing efficiency and product yield.

[0036] The workflow of this utility model is as follows:

[0037] 1) All the rotating downward pressing cylinders 22 are controlled to move simultaneously through the pneumatic switch 6, driving the corresponding pressing claws 21 to rotate and rise (the pressing claws 21 rotate to the outside of the supporting positioning platform 11 to avoid interfering with the placed product);

[0038] 2) The side push driving member 42 drives the side push block 41 away from the outer side surface of the supporting positioning platform 11;

[0039] 3) Place the product on the support and positioning platform 11 and position it using the positioning pins 12;

[0040] 4) The side push drive 42 drives the side push block 41 to approach the outer side of the support positioning platform 11, pressing and positioning the product from the side;

[0041] 5) Turn on the vacuum adsorption function and use the vacuum adsorption head 13 to adsorb the product on the supporting positioning platform 11;

[0042] 6) All the rotary pressing cylinders 22 are controlled to move simultaneously through the pneumatic switch 6, driving the corresponding pressing claws 21 to rotate and press down (the pressing claws 21 press the product from the top), pressing and positioning the product on the supporting positioning platform 11;

[0043] 7) CNC equipment performs milling on the product. During the processing, the fixture can be adjusted to the corresponding angle for processing through the CNC equipment turntable according to actual needs;

[0044] 8) During the processing, the waste chips from the milling are blown away by the blowing device 5;

[0045] 9) After the processing is completed, the pneumatic switch 6 controls all the rotary pressing cylinders 22 to move simultaneously, driving the corresponding pressing claws 21 to rotate and rise; the side push driving member 42 drives the side push block 41 away from the outer side of the supporting positioning platform 11;

[0046] 10) Take away the processed products.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention. Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A pneumatic clamp capable of realizing multi-station integration, characterized in that: It includes a supporting and positioning mechanism, a plurality of pressing claw mechanisms arranged at intervals around the supporting and positioning mechanism, and a fixture mounting head detachably connected to the supporting and positioning mechanism; the supporting and positioning mechanism includes a supporting and positioning platform for placing the product; the pressing claw mechanism includes a pressing claw and a rotary downward pressing cylinder for driving the pressing claw; the rotary downward pressing cylinder is used to drive the pressing claw to press the product onto the supporting and positioning platform; the fixture mounting head is installed and connected to the turntable of the CNC equipment.

2. The pneumatic clamp capable of realizing multi-station integration according to claim 1, characterized in that: It also includes at least one side push positioning mechanism, which is arranged on one of the outer sides in the length direction of the supporting positioning platform; the side push positioning mechanism includes a side push block arranged on the outer side of the supporting positioning platform, and a side push driving member for driving the side push block to approach or move away from the outer side surface of the supporting positioning platform.

3. The pneumatic clamp capable of realizing multi-station integration according to claim 1, characterized in that: The support and positioning mechanism further includes at least one positioning pin arranged on the top of the support and positioning platform.

4. The pneumatic clamp capable of realizing multi-station integration according to claim 3, characterized in that: The supporting and positioning mechanism further comprises at least one vacuum adsorption head arranged on the top of the supporting and positioning platform for adsorbing and positioning the product.

5. The pneumatic clamp capable of realizing multi-station integration according to claim 1, characterized in that: It also includes an air blowing device arranged on the outside of one end of the supporting positioning platform, which is used to blow away waste chips on the surface of the product.

6. The pneumatic clamp capable of realizing multi-station integration according to claim 1, characterized in that: Also included is a pneumatic switch for controlling the jaw mechanism.

7. The pneumatic clamp capable of realizing multi-station integration according to claim 1, characterized in that: The fixture mounting head includes a platform plate connected to the bottom of the supporting positioning platform, and a mounting bracket connected to the bottom of the platform plate and extending to the outside of one end of the supporting positioning platform; a flange positioning ring is embedded on the outer end side of the mounting bracket; and the pressure claw mechanism is installed on the platform plate.

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