Flatness detection jig

Abstract

The utility model relates to the technical field of detection equipment, in particular to a flatness detection jig, which comprises a lower mounting support part structure, a mounting support end is formed above the mounting support part structure, and a horizontally arranged mounting plate is mounted and fixed on the mounting support part structure; a workpiece placement station is formed on the mounting plate and is used for mounting and placing a to-be-detected workpiece, and the working surface of the workpiece is attached to the workpiece placement station; quick pressing mechanisms are arranged on the mounting plate and correspond to the two ends of the workpieces on the workpiece placement stations respectively, and the quick pressing mechanisms are provided with pressing ends and can be arranged on the upper sides of the two ends of the workpieces in a pressing mode respectively; according to the utility model, clamping adjustment can be more convenient, the dial indicator can be conveniently adjusted, and detection can be more convenient and rapid.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field, in particular to a flatness detection fixture. BACKGROUND

[0002] As Figure 1 And Figure 2 It is an assembly part for electric appliance, which comprises assembly part body 1, the assembly part body includes one side work part 2, the lower surface of work part is the work surface 3 which is horizontally arranged, and further comprises the other side mounting part 4, the lower surface of mounting part has the mounting groove 5 which is arranged in concave, and the threaded mounting hole 6 which is arranged through the mounting part is arranged on the bottom surface of mounting groove, because the bottom surface of mounting groove is the important assembly surface 7, which makes it necessary to detect and ensure the flatness of assembly surface with work surface as reference during processing and manufacturing.

[0003] It is necessary to detect the flatness of assembly surface of the assembly part for electric appliance in Figure 1 And 2 The flatness detection fixture should have the following characteristics: 1. convenient adjustment of the vertical position of the dial gauge; 2. convenient adjustment of the clamping of the workpiece; 3. better guarantee of the reliability of workpiece clamping after multiple detections. CONTENT OF THE UTILITY MODEL

[0004] In view of the above defects of the prior art, the technical problem to be solved by the utility model is how to provide a flatness detection fixture which has a simpler and more reasonable structure design, can be more conveniently clamped and adjusted, can be conveniently adjusted, and can detect more conveniently and quickly.

[0005] To achieve the above object, the utility model provides a flatness detection fixture, which comprises a lower mounting support part structure, a horizontally arranged mounting plate is installed and fixed on the upper side of the mounting support part structure to form a mounting support end, characterized in that: a workpiece placing station is formed on the mounting plate and used for installing and placing a workpiece to be detected, and the work surface on the workpiece is arranged on the workpiece placing station in a close manner; a quick pressing mechanism is arranged on the mounting plate and at the two ends of the workpiece placing station respectively, and the quick pressing mechanism has a pressing end and can press the upper side of the two ends of the workpiece respectively; a dial gauge is arranged on the mounting plate through a mounting structure, the dial gauge is two or more than two and arranged in a spaced manner along the length direction of the mounting groove on the workpiece, and the dial gauge is arranged in a vertical upward manner and the detection end of the dial gauge can abut against the bottom surface of the mounting groove on the workpiece.

[0006] In this way, the flatness detection jig described above is used to install and place the workpiece to be detected on the workpiece placing station formed on the mounting plate, and the working surface on the workpiece is arranged on the workpiece placing station. Then the quick pressing mechanism is operated, so that the pressing ends of the quick pressing mechanism press the upper sides of the workpiece on both ends respectively. After the workpiece is pressed, the bottom surface of the mounting groove abuts against the detection end of the dial gauge, and the detection end of the dial gauge is displaced and can be read on the dial gauge. The readings of each dial gauge are observed to determine whether the difference between the readings of the dial gauges is within the predetermined range to determine the parallelism of the bottom surface of the mounting groove. The device described above can more quickly complete the detection of the workpiece, the entire detection operation is simple, and the detection efficiency can be improved.

[0007] As an optimization, three vertically penetrating adjustment holes are arranged in the long strip-shaped area on the mounting plate and opposite the mounting groove of the workpiece on the workpiece placing station; the mounting structure includes a mounting tube mounted in the adjustment hole, and the mounting tube has a vertically penetrating deformation opening on one side; the dial gauge is arranged below the mounting tube, and the detection rod of the dial gauge is inserted into the mounting tube from bottom to top, and the upper end of the detection rod penetrates out of the upper end of the adjustment hole and forms the detection end; a locking screw hole is arranged horizontally on one side of the mounting plate and corresponds to each adjustment hole, and a locking screw is arranged in the locking screw hole, and the front end of the locking screw can abut against and support on the outer peripheral surface of the mounting tube, and can limit the vertical position of the mounting tube in the adjustment hole, and can also deform the mounting tube and clamp the inner peripheral surface of the mounting tube against the outer peripheral surface of the detection rod.

[0008] In this way, by designing the adjustment hole, arranging the mounting tube in the adjustment hole, arranging the vertically penetrating deformation opening on one side of the mounting tube, and inserting the detection rod of the dial gauge into the mounting tube, and abutting the locking screw arranged in the locking screw hole against the mounting tube, the vertical position of the mounting tube in the adjustment hole is limited, and the mounting tube is deformed and clamped on the detection rod of the dial gauge. The entire structure design can more conveniently install and protect the detection rod of the dial gauge, and can more conveniently adjust the vertical extension length of the detection rod of the dial gauge according to detection needs.

[0009] As an optimization, the dial gauge is two.

[0010] In this way, the dial gauge is designed to be two, which is more reasonable in quantity and can more conveniently complete the detection.

[0011] As an optimization, a limiting stop block is mounted and fixed on one side of the workpiece placing station on the mounting plate, and after the workpiece is installed and placed on the workpiece placing station, one side of the workpiece is supported against the inner side surface of the limiting stop block.

[0012] Thus, by designing the limiting block, the position of the workpiece can be better positioned when the workpiece is installed and placed in the workpiece placement station, and operation is more convenient.

[0013] Further, the limiting block is provided with a connecting fixing hole at each end and is used for installing and arranging a connecting screw, and the lower end of the connecting screw is correspondingly screw-connected into the threaded hole in the mounting plate.

[0014] As an optimization, the mounting support part structure comprises a horizontally arranged bottom plate at the lower end, four vertically arranged support rods are arranged in a rectangular distribution on the bottom plate, and the mounting plate is fixedly installed at the upper end of the four support rods.

[0015] Thus, the mounting support part structure is more reasonably designed, can have an operation space, and is more convenient for adjusting the dial gauge.

[0016] Further, the bottom plate and the support rod, and the mounting plate and the support rod are connected and fixed together by screws.

[0017] As an optimization, a pad is fixedly installed on the mounting plate and corresponds to the outer side of the two ends of the workpiece on the workpiece placement station, and the quick pressing mechanism is correspondingly fixedly installed on the pad.

[0018] Thus, by designing the pad, the quick pressing mechanism can be more conveniently installed and arranged.

[0019] Further, the quick pressing mechanism comprises a fixed block attached to the pad, the fixed block is provided with a fixing hole at each of the four corner positions and is used for arranging a fixing screw, and the lower end of the fixing screw can be threadedly connected into the threaded hole in the mounting plate after passing through the clearance hole in the pad. Thus, it is more convenient to install and fix, and components can be saved.

[0020] As an optimization, the quick pressing mechanism comprises a connecting block, a mounting block is arranged at the distal end of the connecting block and is connected by a bolt, an installation through hole is arranged at the distal end of the mounting block, an adjusting nut is fixedly arranged at the upper end of the installation through hole, a pressing rod is threadedly arranged in the adjusting nut, and the lower end of the pressing rod forms the pressing end.

[0021] Thus, the adjusting nut and the pressing rod are threadedly matched, the vertical position of the pressing rod can be more conveniently adjusted, and the purpose of adjusting the pressing force is achieved.

[0022] As an optimization, the pressing rod comprises a pressing head at the lower end and made of rubber material; an inner hexagonal adjusting hole is arranged on the upper end face of the pressing rod and is used for butt-jointing with an inner hexagonal wrench; a connecting blind hole is arranged on the lower end face of the pressing rod, and an abutting protrusion is arranged at the upper end of the pressing head and is correspondingly and matchingly connected into the connecting blind hole.

[0023] Thus, the pressing head made of rubber material can better protect the workpiece surface.

[0024] As optimization, the compression deformation port with a tapered structure design is arranged on the lower end surface of the pressing head, and the lower end diameter is larger than the upper end diameter.

[0025] Thus, since the working surface is machined, the surface on the workpiece opposite to the working surface has relatively poor precision, and the compression deformation port is designed on the lower end of the pressing head, and the pressing head has a certain deformation ability due to the material, and the designed compression deformation port also has a deformation ability, so that the workpiece can be better clamped, and the reliability after multiple clamping can be better ensured.

[0026] In summary, the above device has the characteristics of simple and reasonable structure design, convenient clamping adjustment, convenient adjustment of the dial gauge, and convenient and rapid detection. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of an electric appliance assembly.

[0028] Figure 2 It is Figure 1 a structural schematic diagram after rotating an angle.

[0029] Figure 3 It is a schematic diagram of the flatness detection jig in the embodiment of the utility model.

[0030] Figure 4 It is Figure 3 a local enlarged schematic diagram of A position in

[0031] Figure 5 It is Figure 3 a structural schematic diagram after rotating an angle.

[0032] Figure 6 It is Figure 3 a front view schematic diagram of

[0033] Figure 7 It is Figure 6 a B-B sectional view schematic diagram of

[0034] Figure 8 It is Figure 3 a top view schematic diagram of

[0035] Figure 9 It is Figure 8 a C-C sectional view schematic diagram of

[0036] Figure 10 It is Figure 9A partial enlarged view of the D position in the figure. DETAILED DESCRIPTION

[0037] The utility model will be further described below in combination with the drawings and examples. It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular way, and therefore cannot be understood as limiting the utility model. The terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] As Figures 1 to 10 As shown in the figure, a flatness detection jig comprises a lower mounting support part structure, a mounting support end is formed above the mounting support part structure, and a horizontally arranged mounting plate 8 is mounted and fixed. A workpiece setting station is formed on the mounting plate and used to mount and place a workpiece to be detected 9, and the working surface on the workpiece is arranged in close contact on the workpiece setting station. A quick pressing mechanism 10 is arranged on the mounting plate and corresponds to the two ends of the workpiece on the workpiece setting station respectively, and the quick pressing mechanism has a pressing end and can press the upper side of the two ends of the workpiece respectively. A dial gauge 11 is arranged on the mounting plate by a mounting structure, and the dial gauge is two or more than two arranged in intervals along the length direction of the mounting groove on the workpiece, and the dial gauge is arranged vertically upward and the detection end of the dial gauge can abut on the bottom surface of the mounting groove on the workpiece.

[0039] In this way, the flatness detection jig described above is used to mount and place the workpiece to be detected on the workpiece setting station formed on the mounting plate, and the working surface on the workpiece is arranged in close contact on the workpiece setting station. Then operate the quick pressing mechanism, so that the pressing end of the quick pressing mechanism presses the upper side of the two ends of the workpiece respectively. After the workpiece is pressed, the bottom surface of the mounting groove abuts on the detection end of the dial gauge, and the detection end of the dial gauge is displaced and can be read on the dial gauge. And observe the readings of each dial gauge to see if the difference between the readings of the dial gauges is within the predetermined range to judge the parallelism of the bottom surface of the mounting groove. The device described above can detect the workpiece more quickly, the whole detection operation is simple, and the detection efficiency can be improved.

[0040] In the specific embodiment, three vertical through adjustment holes are arranged in the long strip area on the mounting plate and opposite to the mounting groove of the workpiece on the workpiece placing station; the mounting structure comprises a mounting pipe 12 arranged in the adjustment hole, and the mounting pipe has a vertical through deformation opening on one side; the dial gauge is arranged below the mounting pipe, and the detection rod 13 of the dial gauge is inserted into the mounting pipe from bottom to top, and the upper end of the detection rod is arranged to pass through the upper end of the adjustment hole and form the detection end; a horizontal locking screw hole is arranged on one side of the mounting plate and corresponds to the adjustment hole, and a locking screw 14 is arranged in the locking screw hole, and the front end of the locking screw can abut against and support on the outer circumferential surface of the mounting pipe, so as to limit the vertical position of the mounting pipe in the adjustment hole, and also to deform the mounting pipe and make the inner circumferential surface of the mounting pipe tightly clamped on the outer circumferential surface of the detection rod.

[0041] In this way, by designing the adjustment hole, arranging the mounting pipe in the adjustment hole, arranging the vertical through deformation opening on one side of the mounting pipe, and inserting the detection rod of the dial gauge into the mounting pipe, and abutting the locking screw arranged in the locking screw hole on the mounting pipe, the vertical position of the mounting pipe in the adjustment hole is limited, and the mounting pipe is deformed and tightly clamped on the detection rod of the dial gauge. The whole structure design can more conveniently install and protect the detection rod of the dial gauge, and can more conveniently adjust the vertical extension length of the detection rod of the dial gauge according to the detection needs.

[0042] In the specific embodiment, the dial gauge is two and arranged in the length direction of the mounting groove of the workpiece.

[0043] In this way, the dial gauge is designed as two, which is more reasonable in quantity and can more conveniently complete the detection.

[0044] In the specific embodiment, a limiting stop block 15 is arranged on one side of the workpiece placing station on the mounting plate, and when the workpiece is placed on the workpiece placing station, one side of the workpiece is abutted and supported on the inner side surface of the limiting stop block.

[0045] In this way, by designing the limiting stop block, when the workpiece is placed on the workpiece placing station, the position of the workpiece can be better positioned, and the operation and use are more convenient.

[0046] Further, the limiting stop block is provided with a connecting fixing hole at both ends and is used for arranging a connecting screw, and the lower end of the connecting screw is arranged in the threaded hole of the mounting plate in a threaded connection manner.

[0047] In the specific embodiment, the mounting support part structure comprises a horizontal bottom plate 16 at the lower end, four vertical support rods 17 are arranged in a rectangular distribution on the bottom plate, and the mounting plate is arranged and fixed on the upper ends of the four support rods.

[0048] In this way, the installation support part structure is more reasonable in design, can have an operation space, and is more convenient for adjusting the dial gauge.

[0049] Further, the bottom plate and the support rod are connected and fixed together through screws, and the mounting plate and the support rod are connected and fixed together through screws.

[0050] In the specific embodiment, the mounting blocks 18 are mounted and fixed on the mounting plate and outside the two ends of the workpiece on the workpiece installation station corresponding to the workpiece, and the quick pressing mechanism is mounted and fixed on the mounting blocks.

[0051] In this way, the quick pressing mechanism can be more conveniently installed and arranged by designing the mounting blocks.

[0052] Further, the quick pressing mechanism includes the fixing blocks 19 mounted on the mounting blocks, the fixing blocks are provided with fixing holes at four corner positions and are used for setting fixing screws, and the lower ends of the fixing screws can pass through the clearance holes in the mounting blocks and are respectively screwed into the threaded holes in the mounting plate.

[0053] In the specific embodiment, the quick pressing mechanism includes the connecting blocks 20, the mounting blocks 21 are provided at the distal ends of the connecting blocks and are connected through bolts, the mounting through holes are provided at the distal ends of the mounting blocks, the adjusting nuts 22 are fixedly provided at the upper ends of the mounting through holes, the pressing rods 23 are threadedly matched in the adjusting nuts, and the lower ends of the pressing rods form the pressing ends.

[0054] In this way, the adjusting nuts and the pressing rods are threadedly matched, the vertical positions of the pressing rods can be more conveniently adjusted, and the purpose of adjusting the pressing force is achieved.

[0055] In the specific embodiment, the pressing rod includes the pressing head 24 at the lower end and made of rubber material, the inner hexagonal adjusting hole is arranged on the upper end face of the pressing rod and is used for butt joint with an inner hexagonal wrench, the connecting blind hole is arranged on the lower end face of the pressing rod, the butt joint protrusion 25 is arranged on the upper end of the pressing head and is correspondingly and matchingly connected in the connecting blind hole.

[0056] In this way, the pressing head made of rubber material can better protect the surface of the workpiece. The pressing head can be more conveniently replaced.

[0057] In the specific embodiment, the compression deformation port 26 having a tapered structure design is arranged on the lower end face of the pressing head and is provided with a smaller upper end diameter and a larger lower end diameter.

[0058] Thus, since the working surface is obtained by machining; the surface opposite to the working surface on the workpiece has relatively poor precision, by designing a compression deformation port at the lower end of the pressing head, the pressing head itself has a certain deformation ability due to the material, and the designed compression deformation port also has a deformation ability, so as to better adapt to the clamping of the workpiece; and better ensure the reliability after multiple clamping.

[0059] In summary, the above device has the characteristics of simpler and more reasonable structure design, more convenient clamping adjustment, convenient adjustment of the dial gauge, and more convenient and rapid detection.

[0060] The above describes the preferred embodiments of the present application. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the existing technology according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A flatness detection jig comprising a lower mounting support portion structure, a mounting support end being formed above the mounting support portion structure and a horizontally disposed mounting plate being mounted and fixed thereon; characterized in that ； The mounting plate is provided with workpiece installation stations and is used for mounting and placing workpieces to be detected, and the working surface on the workpiece is arranged on the workpiece installation station; the mounting plate is provided with quick pressing mechanisms respectively corresponding to the two ends of the workpiece on the workpiece installation station, and the quick pressing mechanisms have pressing ends and can respectively press the upper sides of the two ends of the workpiece; the mounting plate is provided with dial gauges mounted through mounting structures, the dial gauges are two or more than two and are arranged at intervals along the length direction of the mounting groove on the workpiece, the dial gauges are arranged vertically upward, and the detection end of the dial gauge can abut against the bottom surface of the mounting groove on the workpiece.

2. The flatness detection jig according to claim 1, wherein: The mounting plate is provided with three vertically penetrating adjustment holes arranged at intervals in the long strip-shaped region opposite to the mounting groove of the workpiece on the workpiece installation station; the mounting structure comprises a mounting pipe mounted in the adjustment hole, one side of the mounting pipe is provided with a vertically penetrating deformation opening; the dial gauge is arranged below the mounting pipe, the detection rod of the dial gauge is inserted and matched in the mounting pipe from bottom to top, the upper end of the detection rod penetrates out of the upper end of the adjustment hole and forms the detection end, and the mounting plate is provided with horizontally arranged locking screw holes respectively corresponding to the adjustment holes on one side, the locking screw is arranged in the locking screw hole, and the front end of the locking screw can abut against and support the outer peripheral surface of the mounting pipe, can limit the vertical position of the mounting pipe in the adjustment hole, and can also deform the mounting pipe and make the inner peripheral surface of the mounting pipe abut against and clamp the outer peripheral surface of the detection rod.

3. The flatness detection fixture of claim 1, wherein: The dial gauges are two and are arranged at intervals along the length direction of the mounting groove on the workpiece.

4. The flatness detection gauge of claim 1, wherein: The mounting plate is provided with a limiting stop block fixed on one side of the workpiece installation station, and when the workpiece is mounted and placed on the workpiece installation station, one side of the workpiece abuts against and supports the inner side surface of the limiting stop block.

5. The flatness detection gauge of claim 1, wherein: The mounting support part structure comprises a horizontally arranged bottom plate at the lower end, four vertically arranged support rods are arranged in a rectangular distribution on the bottom plate, and the mounting plate is fixedly mounted on the upper ends of the four support rods.

6. The flatness detection gauge of claim 1, wherein: The mounting plate is provided with pad blocks fixedly mounted on the outer sides of the two ends of the workpiece on the workpiece installation station, and the quick pressing mechanisms are fixedly mounted on the pad blocks correspondingly.

7. The flatness detection gauge of claim 1, wherein: The quick pressing mechanism comprises a connecting block, a mounting block is arranged at the distal end of the connecting block through bolt connection, a mounting through hole is arranged at the distal end of the mounting block, an adjusting nut is fixedly arranged at the upper end of the mounting through hole, a pressing rod is threadedly matched in the adjusting nut, and the lower end of the pressing rod forms the pressing end.

8. The flatness detection gauge of claim 7, wherein: The pressing rod comprises a pressing head at the lower end and made of rubber material; an inner hexagonal adjusting hole is arranged on the upper end surface of the pressing rod and is used for butt joint with an inner hexagonal wrench; a connecting blind hole is arranged on the lower end surface of the pressing rod, and the upper end of the pressing head has a butt joint protrusion and is correspondingly and matchingly connected in the connecting blind hole.

9. The flatness detection gauge of claim 8, wherein: The lower end surface of the pressing head has a taper structure design, and the lower end diameter is larger than the upper end diameter.

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