Thin cylinder jacking mechanism

Abstract

The utility model provides a thin cylinder jacking mechanism which comprises a base, the middle position of the lower surface of the base is sunken downwards to form a groove, a vertically-arranged thin cylinder is arranged in the groove, a movable seat is arranged on the upper side of the base, positioning pieces are installed at the two diagonal positions of the movable seat, and the thin cylinder is arranged in the groove. The middle of the lower surface of the movable seat is sunken upwards to form a V-shaped groove, two guiding pieces are installed between the movable seat and the base, a U-shaped plate is installed on the lower surface of the movable seat through screws, a vertical hole is formed in the middle of the lower surface of the U-shaped plate, and the movable end of the thin air cylinder penetrates through the vertical hole. The outer diameter of the movable end of the thin air cylinder is larger than the inner diameter of the vertical hole, the first nut is arranged on the upper side of the vertical hole, and a plugging piece used for hiding the positioning screw is installed on the lower surface of the U-shaped plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a thin cylinder jacking mechanism and belongs to the technical field of automobile welding production lines. BACKGROUND

[0002] In the automobile welding production line, the positioning pin is lifted or retracted by the cylinder to reach the specified working position of the positioning pin, and plays a positioning role in the welding of the body-in-white sheet metal part. The movable seat on which the positioning pin is installed is connected to the movable end of the cylinder through a connecting screw, and the cylinder body end is connected to the base through a positioning screw. When the cylinder needs to be removed for replacement or maintenance due to a fault, if the connecting screw and the positioning screw cannot be normally clamped by a wrench due to oxidation and corrosion, more effort needs to be spent to disassemble and assemble the cylinder, increasing the difficulty of replacing the cylinder. Therefore, a thin cylinder jacking mechanism that provides a backup disassembly method for the screws that limit the disassembly of the cylinder is needed. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a thin cylinder jacking mechanism to solve the problems raised in the background art. The utility model provides a backup disassembly method for the screws that limit the disassembly of the cylinder.

[0004] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a thin cylinder jacking mechanism, comprising a base, the lower surface of the base is recessed in the middle part to form a groove, a vertical thin cylinder is arranged in the groove, a plurality of first countersunk holes are uniformly arranged on the upper surface of the base and communicate with the groove, a positioning screw is inserted into the first countersunk hole and threadedly connected to the cylinder body end of the thin cylinder, a central hole is arranged on the upper surface of the base and communicates with the groove, the movable end of the thin cylinder penetrates through the central hole and is provided with a detachable first nut, a movable seat is arranged on the upper side of the base, a second countersunk hole is arranged on the upper surface of the movable seat in the middle part, a connecting screw is inserted into the second countersunk hole and threadedly connected to the first nut, positioning members are arranged at two diagonal corners of the movable seat, a V-shaped groove is recessed in the middle part of the lower surface of the movable seat, the V-shaped groove communicates with the second countersunk hole, two guide members are arranged between the movable seat and the base, a U-shaped plate is arranged on the lower surface of the movable seat through a screw, a vertical hole is arranged on the middle part of the lower surface of the U-shaped plate, the movable end of the thin cylinder penetrates through the vertical hole, the outer diameter of the movable end of the thin cylinder is greater than the inner diameter of the vertical hole, the first nut is arranged on the upper side of the vertical hole, and a plugging member for hiding the positioning screw is arranged on the lower surface of the U-shaped plate.

[0005] Further, the positioning member comprises a T-shaped seat, two obliquely opposite corners of the movable seat are provided with detachable T-shaped seats, one side of the vertical part of the T-shaped seat is provided with a detachable L-shaped seat, the upper surface of the horizontal part of the L-shaped seat is concave to form a stepped groove, a plug hole is formed in the bottom of the stepped groove, a positioning pin is inserted into the plug hole, a limiting ring is sleeved on the upper end of the positioning pin and connected with the positioning pin, and a flat surface is formed on the outer surface of the limiting ring and is attached to the vertical surface of the stepped groove.

[0006] Further, the guiding member comprises a guiding column, two guiding holes are formed in the upper surface of the base and are symmetrically arranged with respect to the groove, detachable oil-free bushings are mounted in the guiding holes, the guiding column is inserted into the oil-free bushings, a limiting disc is mounted on the lower end of the guiding column, a threaded head is connected to the upper end of the guiding column, the upper surface of the movable seat is concave to form two symmetrically arranged third countersunk holes, the threaded head extends into the third countersunk holes, the upper end of the guiding column is attached to the bottom of the movable seat, a second nut is threadedly connected to the threaded head, two shaft holes are symmetrically formed in the lower surface of the U-shaped plate, the outer diameter of the guiding column is greater than the inner diameter of the shaft hole, and the threaded head penetrates through the shaft hole.

[0007] Further, the blocking member comprises a support plate, one side of the movable seat facing the base is provided with a support plate, two springs are mounted on the upper surface of the support plate, the upper ends of the springs are connected with the U-shaped plate, a rubber pad is attached to the lower surface of the support plate by means of glue, the rubber pad is attached to the base, a plurality of convex bosses matched with the first countersunk holes are uniformly mounted on the lower surface of the rubber pad, and the plurality of convex bosses are respectively inserted into the plurality of first countersunk holes.

[0008] Further, two first small holes are symmetrically formed in the lower surface of the U-shaped plate, and two second small holes are symmetrically formed in the upper surface of the support plate, and the two ends of the springs are respectively mounted in the first small holes and the second small holes.

[0009] Further, one side of the groove is provided with a connecting seat, the connecting seat and the base are integrally formed, and a plurality of fixing holes are uniformly formed in the side of the connecting seat facing the groove.

[0010] The beneficial effects of the utility model are as follows:

[0011] 1, the V-shaped groove is arranged on the lower surface of the movable seat, then the connecting screw is screwed through the second countersunk hole and is screwed with the first nut, the assembly of the thin cylinder movable end and the movable seat is completed, at this time, the thin cylinder movable end penetrates the vertical hole on the U-shaped plate, and the first nut is located on the upper side of the vertical hole, because there is a space between the first nut and the top of the V-shaped groove, part of the connecting screw is exposed, when the head of the connecting screw is corroded and cannot be normally clamped by the wrench, the steel saw blade is inserted into the V-shaped groove to cut the connecting screw, then the first nut and the thin cylinder movable end are separated, so that the thin cylinder with fault can be separated from the movable seat.

[0012] 2, the threaded head on the upper end of the guide column penetrates the shaft hole and extends into the third countersunk hole, then the second nut is screwed with the threaded head and is located in the third countersunk hole, when the strength of the second nut decreases and cannot be clamped by the wrench, the steel saw blade is inserted into the space formed by the U-shaped plate and the movable seat to cut the threaded head, so as to provide a spare disassembly mode for replacing the worn guide column in the later period.

[0013] 3, under the support of the spring, the boss is clamped into the first countersunk hole, at this time, the rubber pad is attached to the base, the first countersunk hole is blocked, the positioning screw is blocked and hidden, and the oxidation and corrosion speed of the positioning screw is reduced.

[0014] 4, the lower end of the positioning pin is inserted into the insertion hole, and the plane of the limiting ring is attached to the vertical surface of the stepped groove, so as to prevent the positioning pin from rotating, and finally realize the convenient disassembly of the positioning pin. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0016] Figure 1 It is a structural schematic view of the thin cylinder jacking mechanism of the present application;

[0017] Figure 2 It is another perspective view of the thin cylinder jacking mechanism of the present application;

[0018] Figure 3 It is an assembly schematic view of the movable seat, the thin cylinder and the base in the thin cylinder jacking mechanism of the present application;

[0019] Figure 4 It is an assembly schematic view of the connecting seat and the base in the thin cylinder jacking mechanism of the present application;

[0020] Figure 5 It is an assembly schematic view of the U-shaped plate and the movable seat in the thin cylinder jacking mechanism of the present application;

[0021] Figure 6The utility model provides a kind of assembly schematic diagram of boss, rubber pad and support plate in thin cylinder jacking mechanism.

[0022] Figure 7 The utility model provides a kind of perspective drawing of L-shaped seat in thin cylinder jacking mechanism.

[0023] In the drawing: 1-base, 2-thin cylinder, 3-limiting disc, 4-connection seat, 5-guide column, 6-U-shaped plate, 7-movable seat, 8-L-shaped seat, 9-limiting ring, 10-positioning pin, 11-T-shaped seat, 12-first nut, 13-spring, 14-supporting plate, 15-rubber pad, 16-threaded head, 17-second nut, 18-connection screw, 19-oilless bushing, 20-flat surface, 21-positioning screw, 22-guiding hole, 23-first countersunk hole, 24-groove, 25-second countersunk hole, 26-third countersunk hole, 27-shaft hole, 28-vertical hole, 29-boss, 30-step groove, 31-insertion hole. DETAILED DESCRIPTION

[0024] To make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] Please refer to Figure 1 And Figure 4 The utility model provides a technical scheme: a kind of thin cylinder jacking mechanism, including base 1, the lower surface middle position of base 1 is formed groove 24 by being concave downwards, connecting seat 4 is equipped in one side of groove 24, connecting seat 4 and base 1 are integrally formed structure, multiple fixing holes are evenly provided on the side of connecting seat 4 towards groove 24, connecting seat 4 is installed at the position required, and the position of base 1 is limited.

[0026] Please refer to Figures 1-4 Groove 24 is equipped with vertically arranged thin cylinder 2, the upper surface of base 1 is evenly provided with multiple first countersunk hole 23 communicated with groove 24, positioning screw 21 is inserted in first countersunk hole 23 and is threadedly connected with the cylinder body end of thin cylinder 2, using thin cylinder 2, can reduce the cost input of welding equipment, compared with double guide rod cylinder, smaller welding space is occupied, and welding operation is facilitated, and simultaneously, since the occupied space is less, application range is appropriately enlarged.

[0027] Please refer to Figures 1-5The bottom base 1 has a center hole in the middle of the upper surface, which is communicated with the groove 24, and the thin cylinder 2 passes through the center hole and is installed with a detachable first nut 12. The bottom base 1 is provided with a movable seat 7, and the movable seat 7 has a second countersunk hole 25 in the middle of the upper surface. The second countersunk hole 25 is inserted with a connecting screw 18 which is screwed with the first nut 12. The lower surface of the movable seat 7 is recessed to form a V-shaped groove in the middle of the lower surface, and the V-shaped groove is communicated with the second countersunk hole 25. The movable seat 7 is installed with a U-shaped plate 6 through a screw in the lower surface. The U-shaped plate 6 has a vertical hole 28 in the middle of the lower surface. The movable end of the thin cylinder 2 passes through the vertical hole 28, and the outer diameter of the movable end of the thin cylinder 2 is larger than the inner diameter of the vertical hole 28. The first nut 12 is arranged above the vertical hole 28. The V-shaped groove is arranged in the lower surface of the movable seat 7, and then the connecting screw 18 is screwed with the first nut 12 through the second countersunk hole 25. The assembly of the movable end of the thin cylinder 2 and the movable seat 7 is completed. At this time, the movable end of the thin cylinder 2 passes through the vertical hole 28 of the U-shaped plate 6, and the first nut 12 is above the vertical hole 28. Because there is space between the first nut 12 and the top of the V-shaped groove, part of the connecting screw 18 is exposed. When the head of the connecting screw 18 is rusted and cannot be normally clamped by a wrench, the steel saw blade is inserted into the V-shaped groove to cut the connecting screw 18. Then, the first nut 12 and the movable end of the thin cylinder 2 are separated, so that the thin cylinder 2 which is out of order is separated from the movable seat 7.

[0028] Referring to Figure 1 , Figure 2 and Figure 7 , the movable seat 7 is provided with two detachable T-shaped seats 11 at two diagonal corners. The T-shaped seat 11 is provided with a detachable L-shaped seat 8 on one side of the vertical part. The upper surface of the horizontal part of the L-shaped seat 8 is recessed to form a stepped groove 30. The stepped groove 30 is provided with a insertion hole 31 in the bottom. The insertion hole 31 is inserted with a positioning pin 10. The upper end of the positioning pin 10 is provided with a limiting ring 9 which is fixedly connected with the positioning pin 10. The outer surface of the limiting ring 9 is provided with a flat surface 20. The flat surface 20 is attached with the vertical surface of the stepped groove 30, so that the lower end of the positioning pin 10 is inserted into the insertion hole 31, and the flat surface 20 of the limiting ring 9 is attached with the vertical surface of the stepped groove 30, thereby preventing the positioning pin 10 from rotating, and finally achieving the convenient disassembly of the positioning pin 10.

[0029] Referring to Figures 1-5The upper surface of the base 1 is provided with two guide holes 22 symmetrically arranged about the groove 24, a detachable oil-free bushing 19 is installed in the guide hole 22, a guide column 5 is inserted in the oil-free bushing 19, a limiting disc 3 is installed at the lower end of the guide column 5, a threaded head 16 is fixedly connected to the upper end of the guide column 5, the upper surface of the movable seat 7 is downwardly recessed to form two symmetrically arranged third countersunk holes 26, the threaded head 16 extends into the third countersunk hole 26, the upper end of the guide column 5 is in abutment with the bottom of the movable seat 7, a second nut 17 is threadedly connected to the threaded head 16, the lower surface of the U-shaped plate 6 is symmetrically provided with two shaft holes 27, the outer diameter of the guide column 5 is greater than the inner diameter of the shaft hole 27, the threaded head 16 penetrates the shaft hole 27, so that the threaded head 16 at the upper end of the guide column 5 extends into the third countersunk hole 26 after penetrating the shaft hole 27, and then the second nut 17 is threadedly connected with the threaded head 16 and is located in the third countersunk hole 26 after the connection is completed, when the strength of the second nut 17 cannot be clamped with a wrench, a hacksaw blade is inserted into the space formed by the U-shaped plate 6 and the movable seat 7 to saw off the threaded head 16, thereby providing a standby disassembly mode for replacing the worn guide column 5 in the later stage.

[0030] Referring to Figures 1-6 The side of the movable seat 7 facing the base 1 is provided with a support plate 14, two springs 13 are installed on the upper surface of the support plate 14, the upper end of the spring 13 is connected with the U-shaped plate 6, the lower surface of the U-shaped plate 6 is symmetrically provided with two first small holes, the upper surface of the support plate 14 is symmetrically provided with two second small holes, so that the two ends of the spring 13 are respectively installed in the first small hole and the second small hole, thereby improving the stability of the connection between the spring 13 and the support plate 14 and the U-shaped plate 6, a rubber pad 15 is pasted to the lower surface of the support plate 14 by glue, the rubber pad 15 is in abutment with the base 1, a plurality of bosses 29 matched with the first countersunk holes 23 are uniformly installed on the lower surface of the rubber pad 15, the plurality of bosses 29 are respectively inserted into the plurality of first countersunk holes 23, a through hole aligned with the center hole is formed on one side of the support plate 14 and one side of the rubber pad 15, under the support of the spring 13, the boss 29 is clamped into the first countersunk hole 23, at this time, the rubber pad 15 is in abutment with the base 1, thereby achieving the plugging of the first countersunk hole 23, i.e., achieving the plugging and hiding of the positioning screw 21, and reducing the oxidation and rust speed of the positioning screw 21.

[0031] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A thin jacking mechanism, comprising a base (1), characterized in that: The bottom base (1) lower surface middle position is concave to form a groove (24), the groove (24) is provided with a vertical thin cylinder (2), the bottom base (1) upper surface is uniformly provided with a plurality of first countersunk hole (23) communicated with the groove (24), the first countersunk hole (23) is inserted with the positioning screw (21) threaded connection with the thin cylinder (2) cylinder body end, the bottom base (1) upper surface middle position is provided with a center hole communicated with the groove (24), the thin cylinder (2) movable end penetrates the center hole and is installed with the first nut (12) that can be dismantled, the bottom base (1) upper side is provided with a movable seat (7), the movable seat (7) upper surface middle position is provided with a second countersunk hole (25), the second countersunk hole (25) is inserted with the connecting screw (18) threaded connection with the first nut (12), the movable seat (7) two diagonal corners are both installed with a positioning member, the movable seat (7) lower surface middle position is concave to form a V-shaped groove, the V-shaped groove is communicated with the second countersunk hole (25), the movable seat (7) and the bottom base (1) between installation are provided with two guide members, the movable seat (7) lower surface is installed with a U-shaped plate (6) through screw, the U-shaped plate (6) lower surface middle position is provided with a vertical hole (28), the thin cylinder (2) movable end penetrates the vertical hole (28), the thin cylinder (2) movable end outer diameter is greater than the vertical hole (28) inner diameter, the first nut (12) is arranged on the upper side of the vertical hole (28), the U-shaped plate (6) lower surface is installed with a plugging member for hiding the positioning screw (21).

2. The thin-wall cylinder jacking mechanism according to claim 1, characterized in that: The positioning member includes a T-shaped seat (11), the movable seat (7) two diagonal corners are both installed with a detachable T-shaped seat (11), the T-shaped seat (11) vertical side surface is installed with a detachable L-shaped seat (8), the L-shaped seat (8) horizontal upper surface is concave to form a stepped groove (30), the stepped groove (30) inner bottom is provided with a jack (31), the jack (31) is inserted with a positioning pin (10), the positioning pin (10) upper end is provided with a limiting ring (9) connected with the positioning pin (10), the limiting ring (9) outer surface is provided with a plane (20), the plane (20) is attached with the vertical surface of the stepped groove (30).

3. The thin-wall cylinder jacking mechanism according to claim 1, characterized in that: The guide piece includes a guide column (5), two guide holes (22) are arranged symmetrically on the upper surface of the base (1) with respect to a groove (24), a detachable oil-free bushing (19) is installed in the guide hole (22), the guide column (5) is inserted into the oil-free bushing (19), a limiting disc (3) is installed at the lower end of the guide column (5), a threaded head (16) is fixedly connected to the upper end of the guide column (5), the upper surface of the movable seat (7) is recessed downward to form two symmetrically arranged third countersunk holes (26), the threaded head (16) extends into the third countersunk hole (26), the upper end of the guide column (5) is attached to the bottom of the movable seat (7), a second nut (17) is threadedly connected to the threaded head (16), a second nut (17) is threadedly connected to the threaded head (16), two shaft holes (27) are symmetrically arranged on the lower surface of the U-shaped plate (6), the outer diameter of the guide column (5) is greater than the inner diameter of the shaft hole (27), and the threaded head (16) penetrates the shaft hole (27).

4. The thin-wall cylinder jacking mechanism according to claim 1, characterized in that: The blocking piece includes a support plate (14), one side of the movable seat (7) facing the base (1) is provided with a support plate (14), two springs (13) are installed on the upper surface of the support plate (14), the upper ends of the springs (13) are connected to the U-shaped plate (6), a rubber pad (15) is attached to the lower surface of the support plate (14) by glue, the rubber pad (15) is attached to the base (1), a plurality of bosses (29) matched with the first countersunk holes (23) are uniformly installed on the lower surface of the rubber pad (15), and the plurality of bosses (29) are respectively inserted into the plurality of first countersunk holes (23). One side of the support plate (14) and one side of the rubber pad (15) are provided with through holes aligned with the center holes.

5. A thin-wall cylinder jacking mechanism according to claim 4, characterized in that: The lower surface of the U-shaped plate (6) is symmetrically provided with two first small holes, the upper surface of the support plate (14) is symmetrically provided with two second small holes, and the two ends of the spring (13) are respectively installed in the first small hole and the second small hole.

6. A thin-wall cylinder jacking mechanism according to claim 1, characterized in that: One side of the groove (24) is provided with a connecting seat (4), the connecting seat (4) and the base (1) are an integral molding structure, and a plurality of fixing holes are uniformly arranged on the side of the connecting seat (4) facing the groove (24).

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