Positioning device for bolt forming machining

Abstract

The utility model discloses a positioning device for bolt forming machining, and relates to the technical field of positioning devices. The device comprises a nut positioning mechanism, one side of the nut positioning mechanism is in sliding fit with a screw end supporting mechanism, and the screw end supporting mechanism comprises a base, two sliding strips which are in opposite sliding fit in the base, and a bidirectional threaded rod which is in rotating fit in the base and is in threaded fit with the two sliding strips. The two-way threaded rod is rotated to rotate, then the two sliding strips are driven to slide oppositely, the threaded rod ends are clamped through the clamping plates, positioning of the threaded rod ends with different diameters is facilitated, the polygonal guide column is rotated to drive the threaded rod after sliding to rotate and drive the U-shaped base to slide, and the clamping plates are conveniently driven to rotate through the transmission plate. The included angle between every two adjacent clamping plates can be adjusted conveniently, the application range of the screw end supporting mechanism to the diameter of the screw end can be widened conveniently, the supporting stability of the screw end of the bolt can be improved conveniently, and the positioning stability of the bolt can be improved conveniently.

Description

Technical Field

[0001] The utility model belongs to the field of positioning devices, and in particular relates to a positioning device for bolt forming processing. Background Art

[0002] For the angled processing of the bolt bevel, such as drilling, etc., first fix it with a bevel iron block to make it in an inclined state. After all parts are fixed, then process it in the vertical direction. During processing, it is also necessary to ensure that the bolt is fixed on the processing workbench to avoid the scrapping of parts due to displacement.

[0003] The Chinese patent with the announcement number CN210588329U discloses a special positioning device for processing bolt bevels, including a base, a horizontal groove is provided on one side of the upper surface of the base, and a positioning block A, a positioning block B and a fixture A are provided above the groove, wherein the positioning block A and the fixture A are respectively fixed with two bolts A, the positioning block B is movable in the groove, the bolt B passes through the fixture A and is connected to the positioning block B, and the positioning block B is moved and fixed by twisting the bolt B on the fixture A, and a fixture B fixed by two bolts A is provided on the other side of the upper surface of the base, and the bolt B passes through the fixture B, and the length of the bolt B passing through the fixture B is adjustable by the bolt B. The new type can conveniently, stably and efficiently process bolt bevels, while the special positioning device for processing bolt bevels in the application can fix nuts of different specifications, but lacks support for the screw end, and the suspended screw end is easy to affect the stability of the nut positioning.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a positioning device for bolt forming processing.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A positioning device for bolt forming processing comprises a nut positioning mechanism, one side of the nut positioning mechanism is slidably matched with a screw end support mechanism, the screw end support mechanism comprises a base, two sliding bars slidably matched in the base towards each other, a bidirectional threaded rod rotatably matched in the base and threadedly matched with the two sliding bars, the threads at both ends of the bidirectional threaded rod are in opposite directions, a U-shaped seat is slidably matched on the upper side of the sliding bar, two connecting plates are fixed on the upper side of the sliding bar, two clamping plates are rotatably matched between the two connecting plates, a transmission plate is hinged between the U-shaped seat and the clamping plate, a threaded rod rotatably matched with the U-shaped seat thread in the sliding bar, the threads of the two threaded rods are in opposite directions, and a polygonal guide column that runs through the two threaded rods is rotatably matched in the base.

[0008] Optionally, the nut positioning mechanism includes a mounting seat, two clamping blocks are slidably engaged on the upper side of the mounting seat, an electric push rod for driving the clamping blocks to slide is provided on the upper side of the mounting seat, a notch is provided on the side of the clamping block, a linear motor is provided on one side of the mounting seat, and the base is fixed on the movable end of the linear motor, so that the clamping block can be pushed to slide by the electric push rod, so that the nut on the bolt is clamped in the notch, and then the linear motor is turned on to adjust the distance between the screw end support mechanism and the nut positioning mechanism.

[0009] Optionally, a first T-shaped groove is provided on the upper side of the base, and the sliding bar is a T-shaped strip structure. The sliding bar is slidably fitted in the first T-shaped groove, so that the sliding bar is guided to slide through the first T-shaped groove.

[0010] Optionally, two plugs are provided in the first T-shaped groove, a first bearing is embedded in one side of the plug, smooth curved surfaces are provided at both ends of the bidirectional threaded rod, the two ends of the bidirectional threaded rod are respectively fixed in the two first bearings, a first handwheel is provided at one end of the bidirectional threaded rod, a second bearing is embedded in one side of the plug, the two ends of the polygonal guide column are respectively fixed in the two second bearings, and a second handwheel is provided at one end of the polygonal guide column, so as to improve the rotation stability of the bidirectional threaded rod through the first bearing, and to improve the rotation stability of the polygonal guide column through the second bearing.

[0011] Optionally, a second T-shaped groove is provided on the upper side of the sliding bar, and a T-shaped protrusion is provided on the lower part of the U-shaped seat. The T-shaped protrusion slides in the second T-shaped groove. A third bearing is embedded in one side of the sliding bar, and a smooth curved surface is provided on the outer side of one end of the threaded rod. One end of the threaded rod is fixed in the third bearing, so as to improve the rotation stability of the threaded rod through the third bearing.

[0012] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0013] By rotating the bidirectional threaded rod, the two sliding bars are driven to slide toward each other, and the screw end is clamped by the clamping plate, so as to adapt to the positioning of screw ends with different diameters. By rotating the polygonal guide column, the sliding rear threaded rod is driven to rotate, and the U-shaped seat is driven to slide, so that the clamping plate is driven to rotate through the transmission plate, and the angle between the two adjacent clamping plates is adjusted, so as to increase the adaptability range of the screw end support mechanism to the screw end diameter, improve the stability of the screw end support of the bolt, and improve the stability of the bolt positioning.

[0014] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the screw end support mechanism of one embodiment of the utility model;

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] Nut positioning mechanism 1, mounting seat 101, block 102, electric push rod 103, notch 104, linear motor 105, screw end support mechanism 2, base 201, sliding bar 202, bidirectional threaded rod 203, U-shaped seat 204, connecting plate 205, splint 206, transmission plate 207, threaded rod 208, polygonal guide column 209, first T-shaped groove 210, plug 211, second T-shaped groove 213, T-shaped protrusion 214.

[0021] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0022] The utility model will now be further described in detail with reference to the accompanying drawings.

[0023] See also Figure 1-3 As shown, in this embodiment, a positioning device for bolt forming processing is provided, including a nut positioning mechanism 1, a screw end support mechanism 2 is slidably engaged on one side of the nut positioning mechanism 1, the screw end support mechanism 2 includes a base 201, two sliding bars 202 that are slidably engaged in the base 201, a bidirectional threaded rod 203 that is rotatably engaged in the base 201 and is threadedly engaged with the two sliding bars 202, the threads of the two ends of the bidirectional threaded rod 203 are in opposite directions, a U-shaped seat 204 is slidably engaged on the upper side of the sliding bar 202, two connecting plates 205 are fixed on the upper side of the sliding bar 202, two clamping plates 206 are rotatably engaged between the two connecting plates 205, a transmission plate 207 is hinged between the U-shaped seat 204 and the clamping plate 206, a threaded rod 208 that is rotatably engaged with the U-shaped seat 204 is in the sliding bar 202, the threads of the two threaded rods 208 are in opposite directions, and a polygonal guide column 209 that passes through the two threaded rods 208 is rotatably engaged in the base 201.

[0024] By rotating the bidirectional threaded rod 203, the two sliding bars 202 are driven to slide toward each other, and the screw end is clamped by the clamping plate 206, so as to adapt to the positioning of screw ends with different diameters. By rotating the polygonal guide column 209, the sliding rear threaded rod 208 is driven to rotate, and the U-shaped seat 204 is driven to slide, so that the clamping plate 206 can be driven to rotate through the transmission plate 207, and the angle between the two adjacent clamping plates 206 can be adjusted, so as to increase the adaptability range of the screw end support mechanism 2 to the screw end diameter, improve the stability of the screw end support of the bolt, and improve the stability of the bolt positioning.

[0025] The nut positioning mechanism 1 of the present embodiment includes a mounting seat 101, and two clamping blocks 102 are slidably matched on the upper side of the mounting seat 101. An electric push rod 103 for driving the clamping block 102 to slide is provided on the upper side of the mounting seat 101. A notch 104 is provided on the side of the clamping block 102. A linear motor 105 is provided on one side of the mounting seat 101. The base 201 is fixed on the movable end of the linear motor 105, so that the clamping block 102 can be pushed to slide by the electric push rod 103, so that the nut on the bolt is clamped in the notch 104, and then the linear motor 105 is turned on to adjust the distance between the screw end support mechanism 2 and the nut positioning mechanism 1, so as to adapt to the positioning of bolts of different lengths.

[0026] A first T-shaped groove 210 is provided on the upper side of the base 201 of this embodiment, and the sliding bar 202 is a T-shaped strip structure. The sliding bar 202 is slidably fitted in the first T-shaped groove 210, so that the sliding bar 202 is guided to slide through the first T-shaped groove 210, thereby improving the sliding stability of the sliding bar 202.

[0027] In the present embodiment, two plugs 211 are provided in the first T-shaped groove 210, and a first bearing is embedded on one side of the plug 211. Both ends of the bidirectional threaded rod 203 are provided with smooth curved surfaces, and the two ends of the bidirectional threaded rod 203 are respectively fixed in the two first bearings, and a first hand wheel is provided at one end of the bidirectional threaded rod 203. A second bearing is embedded on one side of the plug 211, and the two ends of the polygonal guide column 209 are respectively fixed in the two second bearings, and a second hand wheel is provided at one end of the polygonal guide column 209, so as to improve the rotation stability of the bidirectional threaded rod 203 through the first bearing, improve the rotation stability of the polygonal guide column 209 through the second bearing, and rotate the bidirectional threaded rod 203 through the first hand wheel.

[0028] A second T-shaped groove 213 is provided on the upper side of the sliding bar 202 of the present embodiment, and a T-shaped protrusion 214 is provided on the lower part of the U-shaped seat 204. The T-shaped protrusion 214 slides in the second T-shaped groove 213. A third bearing is embedded in one side of the sliding bar 202, and a smooth curved surface is provided on the outer side of one end of the threaded rod 208. One end of the threaded rod 208 is fixed in the third bearing, so as to improve the rotation stability of the threaded rod 208 through the third bearing, and to improve the stability of the U-shaped seat 204 driven by the threaded rod 208 to slide.

[0029] Working principle: The electric push rod 103 pushes the block 102 to slide, so that the nut on the bolt is clamped in the notch 104, and then the linear motor 105 is turned on to adjust the distance between the screw end support mechanism 2 and the nut positioning mechanism 1, so as to adapt to the positioning of bolts of different lengths. The first hand wheel drives the bidirectional threaded rod 203 to rotate, and then drives the two sliding bars 202 to slide towards each other, and the clamping plate 206 clamps the screw end, so as to adapt to the positioning of screw ends of different diameters. The second hand wheel drives the polygonal guide column 209 to rotate, and then drives the sliding rear threaded rod 208 to rotate, drives the U-shaped seat 204 to slide, and drives the clamping plate 206 to rotate through the transmission plate 207, so as to adjust the angle between the two adjacent clamping plates 206, so as to increase the adaptability range of the screw end support mechanism 2 to the screw end diameter.

[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A positioning device for bolt forming processing, characterized in that: include: A nut positioning mechanism (1), one side of the nut positioning mechanism (1) is slidably matched with a screw end support mechanism (2), the screw end support mechanism (2) comprises a base (201), two sliding bars (202) slidably matched in the base (201), a bidirectional threaded rod (203) rotatably matched in the base (201) and threadedly matched with the two sliding bars (202), a U-shaped seat (204) slidably matched on the upper side of the sliding bar (202), two connecting plates (205) are fixed on the upper side of the sliding bar (202), two clamping plates (206) are rotatably matched between the two connecting plates (205), a transmission plate (207) is hinged between the U-shaped seat (204) and the clamping plate (206), a threaded rod (208) rotatably matched in the sliding bar (202) and threadedly matched with the U-shaped seat (204), and a polygonal guide column (209) rotatably matched in the base (201) and penetrating the two threaded rods (208).

2. A bolt forming positioning device according to claim 1, characterized in that: The nut positioning mechanism (1) comprises a mounting seat (101), two clamping blocks (102) are slidably matched on the upper side of the mounting seat (101), an electric push rod (103) for driving the clamping blocks (102) to slide is provided on the upper side of the mounting seat (101), a notch (104) is provided on the side of the clamping blocks (102), a linear motor (105) is provided on one side of the mounting seat (101), and a base (201) is fixed on the movable end of the linear motor (105).

3. A bolt forming positioning device according to claim 1, characterized in that: A first T-shaped groove (210) is provided on the upper side of the base (201); the sliding bar (202) is a T-shaped strip structure; the sliding bar (202) is slidably fitted in the first T-shaped groove (210).

4. A bolt forming positioning device according to claim 3, characterized in that: Two plugs (211) are arranged in the first T-shaped groove (210), a first bearing is embedded in one side of the plug (211), smooth curved surfaces are arranged at both ends of the bidirectional threaded rod (203), the two ends of the bidirectional threaded rod (203) are respectively fixed in the two first bearings, and a first hand wheel is arranged at one end of the bidirectional threaded rod (203).

5. A bolt forming positioning device according to claim 4, characterized in that: A second bearing is embedded in one side of the plug (211), two ends of the polygonal guide column (209) are respectively fixed in the two second bearings, and a second hand wheel is provided at one end of the polygonal guide column (209).

6. A bolt forming positioning device according to claim 1, characterized in that: A second T-shaped groove (213) is provided on the upper side of the sliding bar (202), a T-shaped protrusion (214) is provided on the lower part of the U-shaped seat (204), the T-shaped protrusion (214) is slidably fitted in the second T-shaped groove (213), a third bearing is embedded in one side of the sliding bar (202), and a smooth curved surface is provided on the outer side of one end of the threaded rod (208), and one end of the threaded rod (208) is fixed in the third bearing.

Images