Floating mechanism for induction quenching positioning of bell housing part

Abstract

The utility model discloses a floating mechanism for induction quenching positioning of a bell housing part, which relates to the technical field of induction quenching and comprises a fixed seat, a floating positioning unit and a positioning support clamp, the floating positioning unit comprises a guide sleeve, a supporting bottom plate and a fixed shaft; the guide sleeve is of a cylindrical structure with an open lower end; the supporting bottom plate comprises a plate body, the plate body is fixedly arranged on the fixing base, the middle of the plate body protrudes upwards to form a guide boss matched with the opening in the lower end of the guide sleeve, and a through hole is formed in the guide boss. The upper end of the fixing shaft is fixedly connected with the inner top wall of the guide sleeve, and the lower end of the fixing shaft penetrates out of the through hole and then is connected with an in-place detection piece. The part, located in the guide sleeve, of the fixing shaft is sleeved with a spring. The positioning and supporting clamp is arranged at the upper end of the guide sleeve and used for positioning a workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of induction quenching, in particular to a floating mechanism used for induction quenching positioning of bell-shaped housing parts. Background Art

[0002] Positioning mechanisms are widely used in industries such as automated production lines and robot end equipment to position and fix workpieces. There are various types of positioning devices on the market, but they have many different defects. For example, when the clamping claw places the workpiece inaccurately, the subsequent action will cause errors and damage the workpiece; when the clamping claw places the workpiece and the drop distance is too long, the workpiece squeezes the positioning mechanism and thus squeezes the clamping claw, causing damage to the clamping claw; the positioning fixture is integrated with the workpiece placement platform, and the scope of application is single, etc. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a floating mechanism for the induction quenching positioning of bell-shaped shell parts, which ensures the positioning accuracy by positioning the workpiece through the workpiece positioning fixture, thereby reducing the economic losses caused by positioning errors; the floating positioning mechanism can indirectly respond to whether the claw exceeds the stroke by detecting the position of the positioning support fixture, and the floating mechanism has a certain buffer, which will not damage the claw and reduce the economic losses caused by the claw; the workpiece positioning fixture adopts a detachable installation, which can be applied to workpieces of different shapes, and has good economic benefits and practical application value in promoting production.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a floating mechanism for induction quenching positioning of bell-shaped shell parts, including a fixed seat, a floating positioning unit and a positioning support fixture; the floating positioning unit includes a guide sleeve, a support base plate and a fixed shaft; the guide sleeve is a cylindrical structure with an open lower end; the support base plate includes a plate body, the plate body is fixedly arranged on the fixed seat, and the middle part of the plate body protrudes upward to form a guide boss that matches the open lower end of the guide sleeve, and a through hole is arranged in the guide boss; the upper end of the fixed shaft is fixedly connected to the inner top wall of the guide sleeve, and the lower end of the fixed shaft is connected to an in-place detection piece after passing through the through hole; the part of the fixed shaft located in the guide sleeve is provided with a spring; the positioning support fixture is arranged at the upper end of the guide sleeve for positioning the workpiece.

[0005] A further improvement is that the floating positioning unit further comprises an oil-free bushing located in the guide sleeve, the oil-free bushing is sleeved on the fixed shaft and fixedly connected to the supporting base plate, and is used to guide the fixed shaft.

[0006] A further improvement is that a first mounting hole for connecting to a fixing seat is provided at the edge of the plate body, a second mounting hole for connecting to an oil-free bushing is provided at the upper end of the guide boss, and a limiting step adapted to the oil-free bushing is provided at the upper end opening of the through hole.

[0007] A further improvement is that the guide sleeve includes a sleeve body and a block body arranged at the upper end of the sleeve body, the top of the block body is provided with a third mounting hole for connecting the positioning support fixture, and the bottom of the block body is provided with a mounting groove for installing the fixed shaft.

[0008] A further improvement is that a limiting groove is provided at the bottom of the block body, a limiting pad is provided at the oil-free bushing, the upper end of the spring abuts against the limiting groove, and the lower end of the spring abuts against the limiting pad.

[0009] A further improvement is that the positioning support fixture comprises a connecting plate, the bottom surface of which is fixedly connected to the block body, the top surface of which is provided with a positioning block, and the outer circle of the positioning block is tangent to the inner circle of the workpiece.

[0010] A further improvement is that a convex ring is arranged at the upper end of the block body, and a groove matching the convex ring is arranged at the bottom surface of the connecting plate.

[0011] A further improvement is that it also includes a detection unit, which includes a plurality of support plates, the lower ends of the support plates are fixedly connected to the fixing base, and a detection switch is arranged on at least one of the support plates.

[0012] A further improvement is that the fixing seat comprises a bottom plate, the top surface of the bottom plate is connected to a fixing plate via a column, and an opening is provided in the middle of the fixing plate.

[0013] A further improvement is that a cushion block is provided on the bottom surface of the bottom plate.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, the floating positioning mechanism is installed on the mechanism fixing seat, and the detection switch bracket on the mechanism fixing seat is installed oppositely, which is convenient for actual installation, and transmits electrical signals to indirectly detect the state of the clamping claw. The floating positioning mechanism realizes the buffering effect when the clamping claw exceeds the stroke through the spring. The workpiece positioning fixture on the top of the floating positioning mechanism can be customized according to workpieces of different shapes to increase the scope of application, and correct the position of the workpiece when the clamping claw is placed in the wrong position to ensure the smooth progress of the next process. The in-place inspection piece at the bottom of the floating positioning mechanism can directly determine the state of the clamping claw. The state of the clamping claw is detected by multiple methods to reduce the economic losses caused by the damage of the clamping claw. The workpiece positioning accuracy can be ensured by customizing the workpiece positioning fixture. The detachable installation method is adopted to increase the scope of application, which has practical application value to promote production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the working of the floating mechanism in the embodiment of the utility model;

[0017] Figure 2 This is a front view of the floating mechanism in the embodiment of the utility model;

[0018] Figure 3 A cross-sectional view of a floating mechanism in an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the support base plate in the embodiment of the utility model;

[0020] Figure 5 A cross-sectional view of the support base plate in an embodiment of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the guide sleeve in the embodiment of the utility model;

[0022] Figure 7 A cross-sectional view of a guide sleeve in an embodiment of the utility model;

[0023] Figure 8 A cross-sectional view of a positioning support fixture in an embodiment of the utility model;

[0024] Fig. 9 It is a structural schematic diagram of the connecting plate in an embodiment of the utility model.

[0025] Reference numerals:

[0026] 1-fixed seat; 11-bottom plate; 12-pad; 13-upright column; 14-fixed plate; 15-opening;

[0027] 2-floating positioning unit; 21-supporting bottom plate; 211-plate body; 212-through hole; 213-first mounting hole; 214-guide boss; 215-second mounting hole; 216-limiting step; 22-guide sleeve; 221-block body; 222-convex ring; 223-third mounting hole; 224-sleeve body; 225-mounting slot; 226-limiting slot; 23-fixed shaft; 24-position detection sheet; 25-spring; 26-oil-free bushing; 27-limiting pad;

[0028] 3-positioning support fixture; 31-connecting plate; 32-groove; 33-positioning block; 34-outer circle; 4-detection unit; 41-support plate; 42-detection switch. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0030] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0031] 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. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise specified and limited, the terms "assembly", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the utility model, unless otherwise specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "below" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the horizontal height of the first feature is higher than the height of the second feature. A first feature being "above", "below" and "below" a second feature includes that the first feature is directly below or obliquely below the second feature, or simply indicates that the horizontal height of the first feature is lower than the second feature.

[0034] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0035] See also Figure 1 to Figure 3 As shown, an embodiment of the utility model provides a floating mechanism for induction quenching positioning of a bell-shaped housing part, comprising a fixing seat 1 , a floating positioning unit 2 and a positioning support fixture 3 .

[0036] See also Figure 3 As shown, the floating positioning unit 2 includes a guide sleeve 22, a supporting base plate 21 and a fixed shaft 23; the guide sleeve 22 is a cylindrical structure with an open lower end; the supporting base plate 21 includes a plate body 211, the plate body 211 is fixedly arranged on the fixing seat 1, and the middle part of the plate body 211 protrudes upward to form a guide boss 214 which is adapted to the open lower end of the guide sleeve 22, and a through hole 212 is arranged in the guide boss 214; the upper end of the fixed shaft 23 is fixedly connected to the inner top wall of the guide sleeve 22, and the lower end of the fixed shaft 23 is connected to an in-position detection piece 24 after passing through the through hole 212; the in-position detection piece 24 is connected to the fixed shaft by bolts, and is normally in contact with the supporting base plate, indicating that the floating positioning mechanism has reached the initial position. The portion of the fixed shaft 23 located in the guide sleeve 22 is sleeved with a spring 25; specifically, the floating positioning unit 2 also includes an oil-free bushing 26 located in the guide sleeve 22, which is sleeved on the fixed shaft 23 and fixedly connected to the supporting base plate 21 for guiding the fixed shaft 23.

[0037] See also Figure 8 and Fig. 9 As shown, the positioning support fixture 3 is arranged at the upper end of the guide sleeve 22 for positioning the workpiece. Specifically, the positioning support fixture 3 includes a connecting plate 31, the bottom surface of the connecting plate 31 is fixedly connected to the block body 221, and the top surface of the connecting plate 31 is provided with a positioning block 33, and the outer circle 34 of the positioning block 33 is tangent to the inner circle of the workpiece. The upper end of the block body 221 is provided with a convex ring 222, and the bottom surface of the connecting plate 31 is provided with a groove 32 adapted to the convex ring 222.

[0038] See also Figure 4 and Figure 5 As shown, a first mounting hole 213 for connecting to the fixing seat 1 is provided at the edge of the plate body 211, a second mounting hole 215 for connecting to the oil-free bushing 26 is provided at the upper end of the guide boss 214, and a limiting step 216 adapted to the oil-free bushing 26 is provided at the upper end opening 15 of the through hole 212.

[0039] See also Figure 6 and Figure 7As shown, the guide sleeve 22 includes a sleeve body 224 and a block body 221 disposed at the upper end of the sleeve body 224. The top of the block body 221 is provided with a third mounting hole 223 for connecting the positioning support fixture 3, and the bottom of the block body 221 is provided with a mounting groove 225 for mounting the fixed shaft 23. Specifically, a limiting groove 226 is provided at the bottom of the block body 221, and a limiting pad 27 is provided at the oil-free bushing 26. The upper end of the spring 25 abuts against the limiting groove 226, and the lower end of the spring 25 abuts against the limiting pad 27. The spring 25 is normally in a compressed state.

[0040] See also Figure 3 As shown, the floating mechanism also includes a detection unit 4, which includes a plurality of support plates 41, the lower ends of the support plates 41 are fixedly connected to the fixing seat 1, and a detection switch 42 is provided on at least one of the support plates 41. In this embodiment, there are two support plates in total, which are symmetrically installed on both sides of the fixture fixing plate. In actual use, the switch can be installed on the corresponding side according to the on-site conditions.

[0041] See also Figure 2 and Figure 3 As shown, the fixing seat 1 comprises a bottom plate 11, the top surface of the bottom plate 11 is connected to a fixing plate 14 via a column 13, and an opening 15 is provided in the middle of the fixing plate 14. Specifically, a cushion block 12 is provided on the bottom surface of the bottom plate 11.

[0042] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0043] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A floating mechanism for positioning a bell housing part during induction hardening, comprising a fixing seat (1), characterized in that: It also includes a floating positioning unit (2) and a positioning support fixture (3); The floating positioning unit (2) comprises a guide sleeve (22), a supporting base plate (21) and a fixed shaft (23); The guide sleeve (22) is a cylindrical structure with an open lower end; The supporting bottom plate (21) comprises a plate body (211), the plate body (211) is fixedly arranged on the fixing seat (1), and the middle part of the plate body (211) protrudes upward to form a guide boss (214) adapted to the lower opening of the guide sleeve (22), and a through hole (212) is arranged in the guide boss (214); The upper end of the fixed shaft (23) is fixedly connected to the inner top wall of the guide sleeve (22), and the lower end of the fixed shaft (23) is connected to a position detection piece (24) after passing through the through hole (212); the part of the fixed shaft (23) located in the guide sleeve (22) is sleeved with a spring (25); The positioning support fixture (3) is arranged at the upper end of the guide sleeve (22) and is used for positioning the workpiece.

2. The floating mechanism for induction hardening positioning of bell housing parts according to claim 1, characterized in that: The floating positioning unit (2) further comprises an oil-free bushing (26) located in the guide sleeve (22); the oil-free bushing (26) is sleeved on the fixed shaft (23) and fixedly connected to the supporting base plate (21) for guiding the fixed shaft (23).

3. The floating mechanism for induction hardening positioning of bell housing parts according to claim 2, characterized in that: A first mounting hole (213) for connecting to a fixing seat (1) is provided at the edge of the plate body (211), a second mounting hole (215) for connecting to an oil-free bushing (26) is provided at the upper end of the guide boss (214), and a limiting step (216) adapted to the oil-free bushing (26) is provided at the upper end opening (15) of the through hole (212).

4. The floating mechanism for induction hardening positioning of bell housing parts according to claim 2, characterized in that: The guide sleeve (22) comprises a sleeve body (224) and a block body (221) arranged at the upper end of the sleeve body (224); a third mounting hole (223) for connecting a positioning support fixture (3) is arranged at the top of the block body (221); and a mounting groove (225) for mounting a fixed shaft (23) is arranged at the bottom of the block body (221).

5. The floating mechanism for induction hardening positioning of bell housing parts according to claim 4, characterized in that: A limiting groove (226) is provided at the bottom of the block body (221), a limiting pad (27) is provided on the oil-free bushing (26), the upper end of the spring (25) abuts against the limiting groove (226), and the lower end of the spring (25) abuts against the limiting pad (27).

6. The floating mechanism for induction hardening positioning of bell housing parts according to claim 4, characterized in that: The positioning support fixture (3) comprises a connecting plate (31), the bottom surface of which is fixedly connected to the block body (221), the top surface of which is provided with a positioning block (33), and the outer circle (34) of the positioning block (33) is tangent to the inner circle of the workpiece.

7. The floating mechanism for induction hardening positioning of bell housing parts according to claim 6, characterized in that: The upper end of the block body (221) is provided with a convex ring (222), and the bottom surface of the connecting plate (31) is provided with a groove (32) matched with the convex ring (222).

8. The floating mechanism for induction hardening positioning of bell housing parts according to claim 1, characterized in that: It also comprises a detection unit (4), the detection unit (4) comprising a plurality of support plates (41), the lower ends of the support plates (41) being fixedly connected to the fixing seat (1), and at least one of the support plates (41) being provided with a detection switch (42).

9. The floating mechanism for induction hardening positioning of bell housing parts according to claim 1, characterized in that: The fixing seat (1) comprises a bottom plate (11), the top surface of the bottom plate (11) is connected to a fixing plate (14) via a column (13), and an opening (15) is provided in the middle of the fixing plate (14).

10. The floating mechanism for induction hardening positioning of bell housing parts according to claim 9, characterized in that: A cushion block (12) is provided on the bottom surface of the bottom plate (11).

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