Clamping tool for differential shell

Abstract

The utility model discloses a clamping tool for a differential shell, which comprises a mounting bracket, a clamping component before cleaning and a clamping component after cleaning are respectively arranged on two sides of the mounting bracket, the before-cleaning clamping assembly comprises a first two-claw air cylinder, first L-shaped mounting plates, a first mounting base, a first inner side positioning column table, an anti-skid ring mounting disc and an O-shaped anti-skid ring, the two first L-shaped mounting plates are arranged at the two ends of the first two-claw air cylinder correspondingly, and the first mounting base is fixedly mounted on the first L-shaped mounting plates; the first inner side positioning column table is installed on the first installation base, the outer edge of the first inner side positioning column table extends into side holes in the two sides of a product before cleaning, the anti-skid ring installation disc is arranged on the first inner side positioning column table, and the O-shaped anti-skid ring is arranged on the anti-skid ring installation disc in a sleeving mode. According to the utility model, the product can be prevented from being damaged when being carried.

Description

TECHNICAL FIELD

[0001] The utility model relates to differential mechanism processing field, in particular to a kind of clamping tool for differential mechanism shell. BACKGROUND

[0002] When clamping differential mechanism shell (hereinafter referred to as product), it is basically to use ordinary jaw, and the product is clamped by the positioning surface of jaw using friction force generated by strong force, but it is easy to hurt the product, especially before washing, the product has many burrs and is easy to scratch, and the service life of jaw is short. SUMMARY

[0003] The utility model mainly solves the technical problem to provide a kind of clamping tool for differential mechanism shell, can avoid damage to product when handling product.

[0004] To solve the above technical problem, one technical scheme of the utility model is: provide a kind of clamping tool for differential mechanism shell, it includes: installation support, the two sides of installation support are provided with pre-washing clamping assembly and post-washing clamping assembly, pre-washing clamping assembly includes first two-jaw air cylinder, first L-shaped mounting plate, first installation base, first inner side positioning column table, anti-skid ring mounting disc, O-shaped anti-skid ring, two first L-shaped mounting plates are respectively arranged at the two ends of first two-jaw air cylinder, first installation base is fixedly installed on first L-shaped mounting plate, first inner side positioning column table is installed on first installation base, the outer edge of first inner side positioning column table extends into the side hole of the two sides of product before washing, the outer diameter of the outer edge of first inner side positioning column table is slightly smaller than the inner diameter of side hole, anti-skid ring mounting disc is arranged on first inner side positioning column table, O-shaped anti-skid ring is sleeved on anti-skid ring mounting disc, when first inner side positioning column table extends into the side hole of product before washing, O-shaped anti-skid ring is in contact with the chamfer of the side hole of product before washing.

[0005] Preferably, the side of first inner side positioning column table close to product is provided with a sliding groove, and part of anti-skid ring mounting disc is arranged in the sliding groove and is in sliding cooperation with the sliding groove.

[0006] Preferably, the side of anti-skid ring mounting disc away from product is connected with a push bolt, and a return spring is arranged between the push bolt and first L-shaped mounting plate, so that anti-skid ring mounting disc is forced to be in first inner side positioning column table under the action of return spring.

[0007] Preferably, post-washing clamping assembly includes second jaw air cylinder, second L-shaped mounting plate, second installation base and post-washing clamping disc, two second L-shaped mounting plates are respectively arranged at the two ends of second jaw air cylinder, second installation base is arranged on second L-shaped mounting plate, and post-washing clamping disc is arranged on second L-shaped mounting plate and is arranged towards the side hole of product, and post-washing clamping disc is used for clamping product after washing.

[0008] Preferably, the clamping disc after cleaning is provided with a convex part and a flat part on the side close to the product, the convex part is arranged on the flat part, the convex part is matched with the side hole of the product to position the product, and the flat part is matched with the surface of the side of the product to be pressed on the surface of the product under the action of the second clamping jaw cylinder.

[0009] Preferably, the utility model also includes top clamping assembly, top clamping assembly is arranged in one end of installation support, top clamping assembly includes three claw cylinder and hook claw, three claw cylinder is connected with one end of installation support, hook claw is connected with three claw cylinder, three claw cylinder controls the opening and closing of hook claw, when hook claw is in closed state, hook claw can extend into the inner hole of the top of product and hook the product.

[0010] Preferably, top clamping assembly also includes top installation bottom plate, pressing plate mounting plate, anti-rotation pressing plate, top installation bottom plate is connected with one end of installation support, three claw cylinder is installed on top installation bottom plate, anti-rotation pressing plate is installed on pressing plate mounting plate, top installation bottom plate is provided with pressing plate driving element, pressing plate mounting plate is connected with the piston rod of pressing plate driving element, and the pressing plate mounting plate is pressed and tightly pressed under the drive of the pressing plate driving element, so that the product is prevented from rotating in the carrying process.

[0011] Preferably, the pressing plate mounting plate is connected with a guide shaft, the guide shaft passes through the top installation bottom plate and is in sliding fit with the top installation bottom plate, the installation support is provided with a height sensor, and the end of the guide shaft close to the installation support is connected with a sensing sheet. The height sensor is used to detect the position of the sensing sheet to know the position of the pressing plate mounting plate.

[0012] The utility model discloses the beneficial effect is: through setting up the clamping assembly before cleaning and the clamping assembly after cleaning to carry the product before cleaning and the product after cleaning specifically, avoid the burr problem of the product before cleaning to cause the damage to the product when clamping and carrying the product before cleaning, improve the efficiency and the service life of tooling simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic diagram of the utility model;

[0014] Figure 2 It is the sectional view of the clamping assembly before cleaning of the utility model.

[0015] The marks of various components in the drawings are as follows:

[0016] 1, installation support;

[0017] 2, the clamping assembly before cleaning;21, first two claw cylinder;22, first L type mounting plate;23, first installation base;24, first inner side positioning column table;25, anti -skid ring mounting disc;26, O type anti -skid ring;

[0018] 27, push pin; 28, return spring;

[0019] 3, post cleaning clamping assembly; 31, second jaw cylinder; 32, second L-shaped mounting plate; 33, second mounting base; 34, post cleaning clamping disc; 341, boss part; 342, flat part;

[0020] 4, top clamping assembly; 41, three-jaw cylinder; 42, hook jaw; 43, top mounting base plate; 44, pressing plate mounting plate; 45, anti-rotation pressing plate; 46, pressing plate driving member;

[0021] 51, guide shaft; 52, height sensor; 53, inductive sheet. DETAILED DESCRIPTION

[0022] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of ways other than those specifically described herein, and it is to be understood that the present application is not limited in its application to the details of the description. Therefore, the description is not to be considered as limiting the scope of the present application.

[0023] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0025] In the utility model, unless another definite provision and limitation, the term "mount", "link", "connect", "fix" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, the above-mentioned term can be understood according to the specific meaning of the utility model.

[0026] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can be the direct contact of the first and second features, or the indirect contact of the first and second features through intermediate medium. Moreover, the first feature "on", "above" and "on" the second feature can be the first feature directly above or obliquely above the second feature, or just indicate that the horizontal height of the first feature is higher than the second feature. The first feature "under", "below" and "under" the second feature can be the first feature directly below or obliquely below the second feature, or just indicate that the horizontal height of the first feature is less than the second feature.

[0027] It should be noted that when an element is referred to as "fixed to" or "disposed to" another element, it can be directly on another element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only implementation.

[0028] The physical quantities in the formula, such as no single mark, should be understood as the basic quantity of the basic unit of the international unit system, or the derived quantity derived from the basic quantity by multiplication, division, differentiation or integration and other mathematical operations.

[0029] Embodiment:

[0030] Reference Figure 1 And Figure 2The utility model provides a clamping tool for differential housing, which comprises a mounting support 1, a pre-washing clamping assembly 2 and a post-washing clamping assembly 3 are bolted to the two sides of the mounting support 1 respectively, the pre-washing clamping assembly 2 comprises a first two-jaw pneumatic cylinder 21, a first L-shaped mounting plate 22, a first mounting base 23, a first inner side positioning column table 24, an anti-skid ring mounting disc 25 and an O-shaped anti-skid ring 26, the two first L-shaped mounting plates 22 are mounted on the sliding blocks at the two ends of the first two-jaw pneumatic cylinder 21 respectively, the first mounting base 23 is bolted to one side of the first L-shaped mounting plate 22, the first inner side positioning column table 24 is bolted to the first mounting base 23, the outer edge of the first inner side positioning column table 24 extends into the side hole on the two sides of a product before washing, the outer diameter of the outer edge of the first inner side positioning column table 24 is slightly smaller than the inner diameter of the side hole, so that a small gap is ensured between the outer edge of the first inner side positioning column table 24 and the side hole, for example, the outer diameter of the outer edge of the first inner side positioning column table 24 is 0.1 mm smaller than the inner diameter of the side hole, the anti-skid ring mounting disc 25 is mounted on the first inner side positioning column table 24, and the O-shaped anti-skid ring 26 is sleeved on the anti-skid ring mounting disc 25; when the first inner side positioning column table 24 extends into the side hole of the product before washing, the O-shaped anti-skid ring 26 abuts against the chamfer of the side hole of the product before washing, so that the stability of the position of the product before washing when being clamped is further stabilized, and the product before washing is prevented from rotating when being clamped and moved through the friction between the O-shaped anti-skid ring 26 and the side hole of the product;

[0031] For the product before washing, since the left and right two large side holes are the only suitable grabbing positions and the side hole before washing has residual burrs, in order to avoid hurting the product when grabbing, the first inner side positioning column table 24 does not rigidly cover the side edge of the product or rigidly insert into the side hole of the product, but is inserted into the side hole by 0.1 mm smaller than the inner hole of the product to prevent the product from falling, and the O-shaped anti-skid ring 26 is pressed into the chamfer of the product before washing to generate a friction force, so that the product is prevented from rotating and the important machined surface of the product is almost not contacted and damaged.

[0032] Reference Figure 1 And Figure 2 In order to facilitate replacement of the O-shaped anti-skid ring 26, a sliding groove is formed in the side close to the product of the first inner side positioning column table 24, part of the anti-skid ring mounting disc 25 is located in the sliding groove and is in sliding fit with the sliding groove, the anti-skid ring mounting disc 25 is connected with a pushing bolt 27 away from the product, and a return spring 28 is arranged between the pushing bolt 27 and the first L-shaped mounting plate 22, so that the anti-skid ring mounting disc 25 is forced to be located in the first inner side positioning column table 24 under the action of the return spring 28. When the O-shaped ring needs to be replaced, an operator presses the pushing bolt 27, so that part of the anti-skid ring mounting disc 25 extends out of the sliding groove of the first inner side positioning column table 24, and then the operator can take out the old O-shaped anti-skid ring 26 and sleeve the new O-shaped anti-skid ring 26, so that the O-shaped anti-skid ring 26 is easy to replace and very economical and inexpensive.

[0033] Reference Figure 1 When the product is cleaned, the post-washing clamping assembly 3 is needed to clamp and carry the product, the post-washing clamping assembly 3 includes a second jaw cylinder 31, a second L-shaped mounting plate 32, a second mounting base 33, and a post-washing clamping disc 34, the two second L-shaped mounting plates 32 are respectively mounted on the sliding blocks at the two ends of the second jaw cylinder 31, the second mounting base 33 is bolted on the second L-shaped mounting plate 32, the post-washing clamping disc 34 is bolted on the second L-shaped mounting plate 32 and is arranged towards the side hole direction of the product, and the post-washing clamping disc 34 is used to clamp the cleaned product under the action of the second jaw cylinder 31. The post-washing clamping disc 34 extends a boss part 341 and a flat part 342 on the side close to the product, the boss part 341 is arranged on the flat part 342, the boss part 341 cooperates with the side hole of the product to position the product, and the flat part 342 cooperates with the surface of the side of the product to press tightly on the surface of the product under the action of the second jaw cylinder 31;

[0034] After receiving the signal of clamping the product, the second jaw cylinder 31 clamps and drives the second L-shaped mounting plate 32 to act and synchronously drives the boss part 341 of the post-washing clamping disc 34 to enter the side holes on both sides of the product to position, and the flat part 342 of the post-washing clamping disc 34 is pressed tightly on the surface of both sides of the product, so as to prevent the product from rotating during carrying. At this time, the product is completely clamped.

[0035] Reference Figure 1 And Figure 2 According to the actual production and processing procedure, the product needs to be carried from the rotating car where the product is placed to the pinning station before being carried to the cleaning station, and after passing through the pinning station, the product is clamped and carried to the cleaning station by the pre-washing clamping assembly 2. Therefore, the clamping tool also includes a top clamping assembly 4, which is bolted on one end of the mounting bracket 1. The top clamping assembly 4 includes a three-jaw cylinder 41 and a hook jaw 42, the three-jaw cylinder 41 is connected with one end of the mounting bracket 1, and the hook jaw 42 is connected with the three-jaw cylinder 41, so that the three-jaw cylinder 41 controls the opening and closing of the hook jaw 42. When the hook jaw 42 is in the closed state, the hook jaw 42 can extend into the inner hole of the top of the product and hook the product. The three hook jaws 42 are opened and the stroke of the opening of the hook jaw 42 is rigidly limited, so that the diameter of the outer circle formed by the three hook jaws 42 is just smaller than the diameter of the inner hole of the product to be grabbed by about 0.1 mm, so as to realize the positioning accuracy of the grabbed product less than 0.1 mm.

[0036] Reference Figure 1 And Figure 2The top clamping assembly 4 further comprises a top mounting base plate 43, a pressing plate mounting plate 44, and an anti-rotation pressing plate 45, the top mounting base plate 43 is bolted to one end of the mounting support 1, the three-jaw cylinder 41 is bolted to the top mounting base plate 43, the anti-rotation pressing plate 45 is mounted on the pressing plate mounting plate 44, the pressing plate mounting plate 44 is connected with a piston rod of a pressing plate driving element 46, the pressing plate driving element 46 can be a cylinder, and the pressing plate mounting plate 44 is pressed down to press the top end of the product under the driving of the pressing plate driving element 46, so as to prevent the product from rotating during the carrying process. The anti-rotation pressing plate 45 is made of plastic material, and the hardness thereof is far less than that of the product, so that the product will not be damaged when the anti-rotation pressing plate 45 is pressed. In this way, the product is not only precisely positioned and carried, but also the surface of the precision hole of the product is not damaged.

[0037] Reference Figure 1 In order to avoid the collision or scratch of the product caused by the height difference of the product, the pressing plate mounting plate 44 is connected with a guide shaft 51, the guide shaft 51 penetrates through the top mounting base plate 43 and is in sliding fit with the top mounting base plate 43, a height sensor 52 is mounted on the mounting support 1, an inductive sheet 53 is connected to one end of the guide shaft 51 close to the mounting support 1, and the height sensor 52 is used to detect the position of the inductive sheet 53, so as to know the position of the pressing plate mounting plate 44. When the product is grabbed, the anti-rotation pressing plate 45 is pushed out by the pressing plate driving element 46, an electromagnetic valve of the pressing plate driving element 46 is controlled to be in the middle leakage position, at this time, the anti-rotation pressing plate 45 stops at the lowermost position by gravity, the product height is slowly explored by the anti-rotation pressing plate 45 when the product is taken, when the anti-rotation pressing plate 45 touches the product, the anti-rotation pressing plate 45 moves upward relatively, so that the inductive sheet 53 moves upward, and then the height sensor 52 will have a signal, so that the height of the product can be known, the top clamping assembly 4 is controlled by the mechanical arm to grab the product at the appropriate height, so as to avoid the collision or scratch of the product caused by the height difference of the product.

[0038] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation according to the content of the present application and the drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A clamping tool for a differential housing, characterized in that, The utility model relates to a kind of installation support (1), the two sides of the installation support (1) are respectively provided with cleaning front clamping assembly (2) and cleaning after clamping assembly (3), the cleaning front clamping assembly (2) includes first two jaw air cylinder (21), first L-shaped mounting plate (22), first mounting base (23), first inner side positioning column table (24), anti-skid ring mounting disc (25), O anti-skid ring (26), two first L-shaped mounting plate (22) are respectively arranged in the two ends of first two jaw air cylinder (21), the first mounting base (23) is fixedly installed on first L-shaped mounting plate (22), the first inner side positioning column table (24) is installed on first mounting base (23), the outer edge of the first inner side positioning column table (24) extends into the side hole of the two sides of product before cleaning, the outer diameter of the outer edge of the first inner side positioning column table (24) is slightly smaller than the inner diameter of side hole, the anti-skid ring mounting disc (25) is arranged on the first inner side positioning column table (24), the O anti-skid ring (26) is sleeved on anti-skid ring mounting disc (25), when the first inner side positioning column table (24) extends into the side hole of product before cleaning, the O anti-skid ring (26) is abutted with the chamfer of the side hole of product before cleaning. The first inner side positioning column table (24) is provided with a sliding groove on the side close to the product, and part of the anti-skid ring mounting disc (25) is arranged in the sliding groove and slidably connected with the sliding groove.

2. A clamping fixture for a differential case as defined in claim 1, wherein: The anti-skid ring mounting disc (25) is connected with a push pin (27) on the side away from the product, and a return spring (28) is arranged between the push pin (27) and the first L-shaped mounting plate (22), so that the anti-skid ring mounting disc (25) is forced to be in the first inner side positioning column table (24) under the action of the return spring (28).

3. A clamping fixture for a differential case as defined in claim 2, wherein: The cleaning after clamping assembly (3) includes second clamping jaw air cylinder (31), second L-shaped mounting plate (32), second mounting base (33) and cleaning after clamping disc (34), two second L-shaped mounting plates (32) are arranged at the two ends of the second clamping jaw air cylinder (31), the second mounting base (33) is arranged on the second L-shaped mounting plate (32), and the cleaning after clamping disc (34) is arranged on the second L-shaped mounting plate (32) and faces the side hole of the product, and the cleaning after clamping disc (34) is used for clamping the product after cleaning.

4. A fixture for clamping a differential case as defined in claim 2, wherein: The cleaning after clamping disc (34) is provided with a boss part (341) and a flat part (342) on the side close to the product, the boss part (341) is arranged on the flat part (342), the boss part (341) cooperates with the side hole of the product to position the product, and the flat part (342) cooperates with the surface of the side of the product to be pressed on the surface of the product under the action of the second clamping jaw air cylinder (31).

5. A clamping fixture for a differential case as defined in claim 4, wherein: ​ 6. A fixture for clamping a differential case as defined in claim 1, wherein: Also include the top clamping assembly (4), the top clamping assembly (4) is arranged in one end of the mounting bracket (1), the top clamping assembly (4) includes three jaw cylinder (41) and hook claw (42), the three jaw cylinder (41) is connected with one end of the mounting bracket (1), the hook claw (42) is connected with the three jaw cylinder (41), the three jaw cylinder (41) controls the opening and closing of the hook claw (42), when the hook claw (42) is in the closed state, the hook claw (42) can extend into the inner hole of the top of the product and hook the product.

7. A clamping fixture for a differential case as defined in claim 6, wherein: The top clamping assembly (4) further comprises a top mounting bottom plate (43), a pressing plate mounting plate (44) and an anti-rotation pressing plate (45), the top mounting bottom plate (43) is connected with one end of the mounting bracket (1), the three jaw cylinder (41) is mounted on the top mounting bottom plate (43), the anti-rotation pressing plate (45) is mounted on the pressing plate mounting plate (44), the top mounting bottom plate (43) is provided with a pressing plate driving element (46), the pressing plate mounting plate (44) is connected with the piston rod of the pressing plate driving element (46), under the drive of the pressing plate driving element (46), the pressing plate mounting plate (44) presses down and tightens the product, so as to prevent the product from rotating during the carrying process.

8. A clamping fixture for a differential case according to claim 7, wherein: The pressing plate mounting plate (44) is connected with a guide shaft (51), the guide shaft (51) passes through the top mounting bottom plate (43) and is in sliding fit with the top mounting bottom plate (43), the mounting bracket (1) is provided with a height sensor (52), the guide shaft (51) is connected with a sensing sheet (53) near one end of the mounting bracket (1), the height sensor (52) is used for detecting the position of the sensing sheet (53) so as to know the position of the pressing plate mounting plate (44).

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