Positioning and clamping device for roller frame

Abstract

The utility model provides a positioning and clamping device for a roller frame, which is characterized by comprising a bottom plate, a central positioning mechanism, a peripheral positioning mechanism and a pressing plate positioning mechanism, the center positioning mechanism is detachably installed in the center of the bottom plate and comprises a positioning mandrel installed in a center hole of the bottom plate, a positioning key installed on the side face of the upper end of the positioning mandrel and a positioning clamping plate matched with the positioning key and installed at the upper end of the positioning mandrel. The three groups of peripheral positioning mechanisms are circumferentially distributed around the positioning mandrel, each group of peripheral positioning mechanisms consists of two positioning seats, and each group of peripheral positioning mechanisms provides two side surface supporting points and two bottom surface supporting points for a workpiece; the number of the pressing plate positioning mechanisms is three, one pressing plate positioning mechanism is arranged between the two positioning seats of each surrounding positioning mechanism, and each pressing plate positioning mechanism provides an upper pressing point for a workpiece.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece positioning device technical field, especially in a kind of positioning clamping device for roller cage. BACKGROUND

[0002] Roller cage is one of important parts on steel rolling production line, belongs to metallurgical industry parts of wide application.In the production and processing of roller cage, it needs to be positioned.The existing mode is to clamp roller cage workpiece on the corresponding self-clamp of processing machine tool to position, however, this mode still has great deficiency: since the clamp on machine tool is the general clamp of each workpiece, it is not very suitable for roller cage positioning, thus, when clamping and positioning roller cage, it needs to be installed and adjusted by manual to accurately position roller cage, and the consistency of general clamp clamping different batches of roller cage also needs to be controlled by manual, in addition, the stability of general clamp clamping roller cage needs to be improved.

[0003] In view of the above status, currently, a special positioning clamping device for roller cage is needed. CONTENT OF UTILITY MODEL

[0004] The utility model discloses in order to solve above-mentioned problem, the purpose is to provide a kind of positioning clamping device for roller cage.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of positioning clamping device for roller cage, it is characterized in that, including bottom plate, center positioning mechanism, surrounding positioning mechanism and pressing plate positioning mechanism;Center positioning mechanism is detachably installed at the center position of bottom plate, including the positioning core shaft installed in the center hole of bottom plate, the positioning key installed in the upper end portion side of positioning core shaft, with the positioning key is matched and installed in the upper end portion of positioning core shaft Positioning cardboard;Surrounding positioning mechanism includes three groups distributed around positioning core shaft in circumference, each group is composed of two positioning seats, and each surrounding positioning mechanism provides two side support points and two bottom surface support points for workpiece;Pressing plate positioning mechanism includes three, and one pressing plate positioning mechanism is respectively arranged between the two positioning seats of each surrounding positioning mechanism, and each pressing plate positioning mechanism provides an upper compression point for workpiece.

[0007] Further, in the positioning clamping device for roller cage provided by the utility model, it can also have the following characteristics: wherein, each positioning seat includes positioning seat body, first support bolt, second support bolt;First support bolt is installed and connected on positioning seat body and arranged horizontally, and contacts and abuts with the side surface of workpiece;Second support bolt is installed and connected on positioning seat body and arranged vertically, one end of second support bolt is threaded section, and the other end is hexagonal flat end, and hexagonal flat end of second support bolt contacts and abuts with the lower bottom surface of workpiece.

[0008] Further, the positioning and clamping device for the roller frame can have the following features: each positioning seat further comprises two fixing bolts, and each positioning seat body is fixedly connected with the bottom plate through the two fixing bolts.

[0009] Further, the positioning and clamping device for the roller frame can have the following features: each pressing plate positioning mechanism comprises a pressing plate, a double-headed connecting screw rod and a supporting stud, a first connecting screw hole and a second connecting screw hole are formed in the pressing plate, the upper end of the double-headed connecting screw rod is fixedly connected with the first connecting screw hole, the lower end is fixedly connected with a screw hole in the bottom plate, one end of the supporting stud is a threaded segment, the other end is a circular flat end, the threaded segment of the supporting stud is fixedly connected with the second connecting screw hole, and the circular flat end is in contact with the upper surface of the bottom plate.

[0010] Further, the positioning and clamping device for the roller frame can have the following features: the positioning core shaft comprises a main column, a disc part and a bottom protrusion in an integrated structure from top to bottom, a positioning key mounting groove for mounting a positioning key is formed in the side surface of the upper end of the main column, a plurality of bolt connection holes for bolt connecting the bottom plate are formed in the disc part, and the bottom protrusion is embedded in the center hole of the bottom plate in cooperation.

[0011] Further, the positioning and clamping device for the roller frame can have the following features: two positioning key bolt holes are formed in the positioning key, two in-hole bolt holes are formed in the positioning key mounting groove, and the positioning key is fixedly connected in the positioning key mounting groove through two bolts.

[0012] Further, the positioning and clamping device for the roller frame can have the following features: the bottom protrusion is a key structure, and the center hole of the bottom plate is a key connection hole.

[0013] Further, the positioning and clamping device for the roller frame can have the following features: the positioning clamping plate is disc-shaped, the positioning clamping plate is provided with a clamping plate center hole, and the shape of the clamping plate center hole is matched with the shape of the positioning core shaft and the positioning key.

[0014] Further, the positioning and clamping device for the roller frame can have the following features: the circumferential surface of the positioning clamping plate is uniformly provided with three grooves.

[0015] Further, the positioning and clamping device for the roller holder has the following characteristics: the bottom plate is provided with a supporting screw mounting hole, and an auxiliary supporting screw is mounted in the supporting screw mounting hole, one end of the auxiliary supporting screw is a threaded segment, and the other end is a hexagonal flat end.

[0016] The positioning and clamping device for the roller holder has the following characteristics: the bottom plate is provided with a supporting screw mounting hole, and an auxiliary supporting screw is mounted in the supporting screw mounting hole, one end of the auxiliary supporting screw is a threaded segment, and the other end is a hexagonal flat end.

[0017] The positioning and clamping device for the roller holder has the following characteristics: the bottom plate is provided with a supporting screw mounting hole, and an auxiliary supporting screw is mounted in the supporting screw mounting hole, one end of the auxiliary supporting screw is a threaded segment, and the other end is a hexagonal flat end. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structure schematic view of the positioning and clamping device for the roller holder in the embodiment of the utility model (the positioning core shaft, the positioning clamping plate and the pressing plate are not installed in the figure);

[0019] Figure 2 is a use state schematic view of the positioning and clamping device for the roller holder in the embodiment of the utility model;

[0020] Figure 3 is a structure schematic view of the positioning and clamping device for the roller holder in the embodiment of the utility model (the positioning core shaft, the positioning clamping plate and the pressing plate are not installed in the figure);

[0021] Figure 4 is another use state schematic view of the positioning and clamping device for the roller holder in the embodiment of the utility model;

[0022] Figure 5 is a structure front view of the positioning seat body in the embodiment of the utility model;

[0023] Figure 6 is a structure perspective view of the positioning core shaft in the embodiment of the utility model;

[0024] Figure 7 is a structure sectional view of the positioning key in the embodiment of the utility model;

[0025] Figure 8 is a structure top view of the positioning clamping plate in the embodiment of the utility model;

[0026] Figure 9 is a structure top view of the pressing plate in the embodiment of the utility model.

[0027] Markings in the diagram: 1. Base plate; 11. Center hole of base plate; 2. Positioning seat body; 2a. Horizontal screw hole; 2b. Vertical screw hole; 2c. Fixing screw hole; 3. Positioning mandrel; 31. Main column; 32. Disc part; 33. Bottom protrusion; 34. Positioning key mounting groove; 35. Bolt connection hole; 36. Bolt hole in groove; 4. Positioning key; 41. Positioning key bolt hole; 5. Positioning clamping plate; 51. Center hole of clamping plate; 52. Groove; 6. Pressure plate; 61. First connecting screw hole; 62. Second connecting screw hole; 7. Double-ended connecting screw; 8. Support stud; 9. First support bolt; 10. Second support bolt; 20. Auxiliary support screw; 100. Workpiece. Detailed Implementation

[0028] To make the technical means, creative features, objectives and effects of this utility model easy to understand, the following embodiments, in conjunction with the accompanying drawings, will specifically illustrate the technical solution of this utility model.

[0029] See Figure 1 and Figure 2 This utility model provides a positioning and clamping device for a roller frame. The device includes a base plate 1, a central positioning mechanism, a peripheral positioning mechanism, and a pressure plate positioning mechanism. This device is used to position the roller frame 100 (i.e., the workpiece).

[0030] The center positioning mechanism is detachably installed at the center of the base plate 1 for center positioning of the workpiece. The center positioning mechanism includes a positioning spindle 3, a positioning key 4, and a positioning clamping plate 5.

[0031] See Figure 6 The positioning mandrel 3 includes a main column 31, a disc portion 32, and a bottom protrusion 33, which are integral structures from top to bottom.

[0032] The upper end of the main column 31 has a locating key mounting groove 34 for mounting the locating key 4, and two bolt holes 36 are formed in the locating key mounting groove 34. See also Figure 1 The positioning key 4 is installed on the upper end side of the positioning spindle 3. (See also...) Figure 7 The positioning key 4 has two positioning key bolt holes 41. The positioning key 4 is installed and fixed in the positioning key mounting groove 34 by connecting the two bolt holes 36 in the groove with two bolts.

[0033] See Figure 6 The disc portion 32 has several bolt connection holes 35 for bolting the base plate 1. The positioning mandrel 3 is fixed to the base plate 1 by bolting the bolt connection holes 35 and the corresponding screw holes on the base plate.

[0034] The bottom protrusion 33 fits into the center hole 11 of the base plate (see...) Figure 3The bottom protrusion 33 is a key structure, and the bottom plate center hole 11 is a key connecting hole. In this embodiment, the bottom protrusion 33 is an A-shaped flat key structure, and the bottom plate center hole 11 is a key connecting hole matched with the A-shaped flat key structure.

[0035] Referring to Figure 2 , the positioning clamping plate 5 is installed on the upper end of the positioning mandrel 3. Referring to Figure 2 and Figure 8 , the positioning clamping plate 5 is disc-shaped, and the positioning clamping plate 5 is provided with a clamping plate center hole 51, the shape of the clamping plate center hole being matched with the shape of the positioning mandrel 3 and the positioning key 4. Three grooves 52 are uniformly distributed on the circumferential surface of the positioning clamping plate 5, and the three grooves 52 correspond to the positions of the three side ribs of the workpiece.

[0036] Referring to Figure 1 , the peripheral positioning mechanism includes three groups of peripheral positioning mechanisms which are circumferentially distributed around the positioning mandrel 3, and each group is composed of two positioning seats. Each group of peripheral positioning mechanisms provides two side support points and two bottom support points for the workpiece. Each positioning seat includes a positioning seat body 2, a first support bolt 9, a second support bolt 10, and two fixing bolts (not shown in the figure).

[0037] Referring to Figure 1 and Figure 5 , the positioning seat body 2 is provided with a horizontal screw hole 2a, a vertical screw hole 2b, and two fixing screw holes 2c.

[0038] Referring to Figure 1 , the first support bolt 9 is horizontally arranged and is installed and connected in the horizontal screw hole 2a of the positioning seat body. The end of the first support bolt 9 is in contact with the side surface of the workpiece and provides a side support point for the workpiece.

[0039] Referring to Figure 1 , the second support bolt 10 is vertically arranged and is installed and connected in the vertical screw hole 2b of the positioning seat body. One end of the second support bolt 10 is a threaded section, and the other end is a hexagonal flat head end. The hexagonal flat head end of the second support bolt 10 is in contact with the lower bottom surface of the workpiece and provides a bottom support point for the workpiece.

[0040] Each positioning seat body 2 is connected with two fixing bolts through the fixing screw holes 2c, and the two fixing bolts are connected with the corresponding screw holes on the bottom plate 1, so as to fix the positioning seat body on the bottom plate 1.

[0041] Referring to Figure 2 , the pressing plate positioning mechanism includes three, and each pressing plate positioning mechanism is arranged between two positioning seats of each group of peripheral positioning mechanisms and provides an upper pressing point for the workpiece. Each pressing plate positioning mechanism includes a pressing plate 6, a double-headed connecting screw rod 7, and a support stud 8.

[0042] Referring to Figure 2 andFigure 9 The first connecting screw hole 61 and the second connecting screw hole 62 are arranged on the pressing plate 6. The upper end of the double-end connecting screw rod 7 is connected and fixed with the first connecting screw hole 61, and the lower end is connected and fixed with the corresponding screw hole on the bottom plate 1. One end of the supporting screw column 8 is a threaded segment, and the other end is a flat end. The threaded segment of the supporting screw column 8 is connected and fixed with the second connecting screw hole 62, and the flat end of the supporting screw column 8 is in contact with the upper surface of the bottom plate 1.

[0043] The supporting screw mounting hole is arranged on the bottom plate 1. Figure 1 The auxiliary supporting screw 20 is mounted in the supporting screw mounting hole. One end of the auxiliary supporting screw 20 is a threaded segment, and the other end is a hexagonal flat end. Figure 1 and Figure 2 The auxiliary supporting screw 20 provides an auxiliary supporting point for the workpiece.

[0044] A plurality of mounting holes are arranged on the bottom plate 1, which are used to mount the positioning and clamping device on the corresponding rack or platform of the factory processing equipment.

[0045] The use of the positioning and clamping device for the roller cage in the embodiment includes two kinds. One use case is shown in Figs. 1 and 2, and the other use case is shown in Figs. 3 and 4. Figure 1 and Figure 2 In the state, the center positioning mechanism (positioning mandrel, positioning key, and positioning clamping plate) is mounted to position the workpiece. The positioning clamping plate 5 is movable and detachable, and is mounted from above the workpiece. After the workpiece is clamped firmly, it is removed to facilitate subsequent worker operation to process the workpiece. Figure 3 and Figure 4 In the state, the center positioning mechanism is not mounted. The two use cases can be applied to the positioning work of different types of roller cages according to actual needs.

[0046] The above embodiment is only a preferred embodiment of the present application, and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application is included in the protection scope of the present application.

Claims

1. A positioning and clamping device for roller frames, characterized in that, Includes a base plate, a central positioning mechanism, a surrounding positioning mechanism, and a pressure plate positioning mechanism; The central positioning mechanism is detachably installed at the center of the base plate, and includes a positioning spindle installed in the center hole of the base plate, a positioning key installed on the upper end side of the positioning spindle, and a positioning plate installed at the upper end of the positioning spindle in cooperation with the positioning key. The surrounding positioning mechanism includes three groups arranged in a circular pattern around the positioning mandrel. Each group consists of two positioning seats. Each group of the surrounding positioning mechanism provides two side support points and two bottom support points for the workpiece. The pressure plate positioning mechanism includes three, with one pressure plate positioning mechanism respectively set between the two positioning seats of each group of surrounding positioning mechanisms, and each pressure plate positioning mechanism provides an upper clamping point for the workpiece.

2. The positioning and clamping device for roller frames as described in claim 1, characterized in that: in, Each of the positioning seats includes a positioning seat body, a first support bolt, and a second support bolt; The first support bolt is installed on the positioning seat body in a horizontal position and abuts against the side of the workpiece; The second support bolt is installed vertically on the positioning seat body. One end of the second support bolt is a threaded section, and the other end is a hexagonal flat end. The hexagonal flat end of the second support bolt contacts and abuts against the bottom surface of the workpiece.

3. The positioning and clamping device for roller frames as described in claim 2, characterized in that: in, Each of the positioning seats also includes two fixing bolts, and each positioning seat body is connected and fixed to the base plate by the two fixing bolts.

4. The positioning and clamping device for roller frames as described in claim 1, characterized in that: in, Each of the aforementioned pressure plate positioning mechanisms includes a pressure plate, a double-ended connecting screw, and a support stud. The pressure plate is provided with a first connecting screw hole and a second connecting screw hole; The upper end of the double-ended connecting screw is connected and fixed to the first connecting screw hole, and the lower end is connected and fixed to the screw hole on the base plate; One end of the support stud is a threaded section, and the other end is a round flat end. The threaded section of the support stud is connected and fixed to the second connecting screw hole, and the round flat end of the support stud contacts and abuts against the upper surface of the base plate.

5. The positioning and clamping device for roller frames as described in claim 1, characterized in that: in, The positioning mandrel includes a main column, a disc portion, and a bottom protrusion, which are integral structures from top to bottom. The upper end side of the main column is provided with a positioning key mounting groove for installing the positioning key; The disc portion has several bolt holes for bolting the base plate; The bottom protrusion is fitted into the center hole of the base plate.

6. The positioning and clamping device for roller frames as described in claim 5, characterized in that: in, The positioning key has two positioning key bolt holes, and the positioning key mounting slot has two slot bolt holes. The positioning key is fixed in the positioning key mounting slot by two bolts.

7. The positioning and clamping device for roller frames as described in claim 5, characterized in that: in, The bottom protrusion is a key structure, and the central hole of the base plate is a key connection hole.

8. The positioning and clamping device for roller carriers as described in claim 1 or 5, characterized in that: in, The positioning plate is disc-shaped and has a central hole. The shape of the central hole matches the shape of the positioning mandrel and the positioning key.

9. The positioning and clamping device for roller frames as described in claim 8, characterized in that: in, The positioning plate has three grooves evenly distributed on its circumference.

10. The positioning and clamping device for roller frames as described in claim 1, characterized in that: in, The base plate is also provided with support screw mounting holes, in which auxiliary support screws are installed. One end of the auxiliary support screw is a threaded section, and the other end is a hexagonal flat head.

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