CN217798624U

CN217798624U - Anti-rebound manual push-pull type swing arm safety bolt device

Info

Publication number: CN217798624U
Application number: CN202221581068.XU
Authority: CN
Inventors: 李燕东; 王俊耧; 王传英; 李江波
Original assignee: Jier Machine Tool Group Co Ltd
Current assignee: Jier Machine Tool Group Co Ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-11-15
Anticipated expiration: 2032-06-23

Abstract

The utility model discloses an anti-rebound manual push-pull type swing arm safety cock device, which comprises an adjusting screw, a swing arm, a spring, a rotation stopping key, a support rod, an adjusting nut, a rotating shaft support frame, a rotating shaft, a cam, a limit switch, a bearing, a spring clamp, a support frame fixing block, a stand column fixing block, a handle, a limit switch bracket, a fixing disc, a slider bottom plate, a movable workbench and a stand column, wherein the rotating shaft support frame is arranged on the inner side surface of the stand column; one end of the swing arm is mounted on the rotating shaft, the other end of the swing arm is fixed outside the supporting rod, an adjusting nut is arranged at the top of the supporting rod, an adjusting screw rod penetrates through the adjusting nut and is inserted into the supporting rod, and the position of the adjusting screw rod can be adjusted up and down by adjusting the adjusting nut; the adjusting screw rod is vertically contacted with the bottom plate of the sliding block, and the supporting rod is placed 10mm above the upper plane of the table plate of the movable working table. The utility model discloses simple structure, push-and-pull are light, and the strong operability prevents the resilience, and the security is high, no complicated electromechanical interlocking.

Description

Anti-rebound manual push-pull type swing arm safety bolt device

Technical Field

The utility model relates to a manual plug-type swing arm safety cock device of preventing kick-backing is applied to mechanical stamping press, belongs to mechanical engineering technical field.

Background

The safety plug (also called as a safety rod) is a necessary safety device for the press machine stamping equipment, and is a safety accessory device which is delivered along with the press machine equipment in order to prevent unsafe accidents caused by the accidental sliding of a press machine sliding block. In the stamping production, when the press is in fault maintenance or die repair, maintenance personnel are inevitably required to enter the lower part of the press slide block, and the danger is extremely high. In order to ensure the personal safety of the operating personnel, safety bolts are usually equipped. When personnel entered into press slider below, when leading to the slider gliding because of other factors, the safety cock can support slider and last mould, gains the time for the operation personnel flee, the security that improve equipment used. The general weight of conventional safety cock is great moreover, and is very high, easily emptys, generally lies in press stand lateral surface, is the diagonal angle and arranges, is equipped with special safety cock box and bolt, leans on the manual work to carry to removing table surface from the stand lateral surface during the use on, then inserts electric jack with the safety cock bolt and prevents that the press from starting, and manual handling is harder, and the controllability is poor, and the potential safety hazard is big. Especially for multi-station, progressive die and die testing press machines, when the dies are frequently overhauled, the back-and-forth carrying is time-consuming and labor-consuming, and the working efficiency is influenced. After the safety plug is used, the safety plug needs to be manually moved from the movable working table again and then is arranged in the safety plug box. This kind of traditional structure, operation safety cock and bolt will separately go on, and the transport distance is long, not only wastes time and energy, and the stroke of safety cock is unadjustable moreover, can not satisfy the demand of different die filling height. In addition, the press machine generally shakes in the normal use process, the safety plug easily generates the rebound phenomenon, and in order to prevent the equipment from damaging the die and the sliding block in the use process, the anti-rebound manual push-pull type safety plug device is urgently needed to be researched and developed.

Disclosure of Invention

The utility model aims to solve the technical problem that the defect to prior art exists provides a manual plug-type swing arm safety cock device of preventing kick-backing, solves current safety cock kick-backing, difficult transport, easily emptys, the problem that operability subalternation exists.

In order to solve the technical problem, the utility model provides an anti-rebound manual push-pull type swing arm safety bolt device, which comprises an adjusting screw, a swing arm, a spring, a rotation stopping key, a support rod, an adjusting nut, a rotating shaft support frame, a rotating shaft, a cam, a limit switch, a bearing, a spring clamp, a support frame fixing block, a stand column fixing block, a handle, a limit switch support frame, a fixing disc, a slider bottom plate, a movable workbench and a stand column, wherein the rotating shaft support frame is arranged on the inner side surface of the stand column; one end of the swing arm is mounted on the rotating shaft through a top fixing disc by using a screw, the other end of the swing arm is fixed outside the supporting rod, an adjusting nut is arranged at the top of the supporting rod, an adjusting screw rod penetrates through the adjusting nut and is inserted into the supporting rod, and the position of the adjusting screw rod can be adjusted up and down through a thread pair by adjusting the adjusting nut; the adjusting screw rod is vertically contacted with the bottom plate of the sliding block, the supporting rod is placed 10mm above the upper plane of the worktable of the movable worktable, the cam enables the limit switch to be contacted and send a signal, and the press machine cannot be started.

Be equipped with the stand fixed block on the stand, the last installation support frame fixed block of pivot support frame, the spring clamp is installed in the swing arm, and when the safety was tied outside the mould district, the stand fixed block card prevented in the spring clamp that the safety was tied and kick-backs, and when the safety was tied in mould district extreme position, the spring clamp card prevented to kick-back on the support frame fixed block on the pivot support frame.

The limit switch bracket is arranged on the stand column, the limit switch is arranged on the limit switch bracket, and the limit switch is in contact with the cam to send a signal after the support rod rotates into the die area.

The handle is arranged outside the semi-cylinder of the swing arm, and the safety bolt can be pulled through the handle to drive the swing arm to screw in and screw out the safety bolt through the rotating shaft.

The bearing is arranged in the rotating shaft supporting frame, the weight of the swing arm is supported, and the swing arm can rotate flexibly.

The adjusting screw is provided with a key groove, the length of the key groove is larger than the maximum die filling height adjusting amount, and the rotation stopping key is arranged in the key groove and fixed on the swing arm through a screw.

The safety plug devices are arranged on the inner side surface of the upright post of the press machine stamping equipment, and two sets of safety plug devices are arranged and are arranged diagonally.

Has the advantages that: the utility model discloses simple structure, push-and-pull are light, and maneuverability is strong, prevents kick-backing, and the security is high, does not have complicated electromechanical interlocking moreover.

Drawings

Fig. 1 is a schematic top view of the present invention in an installation state;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic cross-sectional view B-B of FIG. 1 according to the present invention;

FIG. 4 is a schematic cross-sectional view of the embodiment of FIG. 2;

FIG. 5 is a schematic cross-sectional view of the device of FIG. 2 according to the present invention;

FIG. 6 is an enlarged view of a portion I of FIG. 1 according to the present invention;

FIG. 7 is an enlarged view of a portion II of FIG. 2 according to the present invention;

fig. 8 is a partially enlarged view of the portion iii in fig. 2 according to the present invention.

In the figure: 1. adjusting the screw rod; 2. swinging arms; 3. a spring; 4. a rotation stop key; 5. a support bar; 6. adjusting the nut; 7. a rotating shaft support frame; 8. a rotating shaft; 9. a cam; 10. a limit switch; 11. a bearing; 12. A spring clip; 13. a support frame fixing block; 14. a vertical column fixing block; 15. a handle; 16. a limit switch bracket; 17. fixing the disc; 18. a slider bottom plate; 19. moving the working table; 20. and (4) a column.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-5, the utility model provides a prevent manual push-pull type swing arm safety cock device that kick-backs, including adjusting screw 1, swing arm 2, spring 3, spline 4, bracing piece 5, adjusting nut 6, pivot support frame 7, pivot 8, cam 9, limit switch 10, bearing 11, spring clamp 12, support frame fixed block 13, stand fixed block 14, handle 15, limit switch support 16, fixed disk 17, slider bottom plate 18, mobile workbench 19 and stand 20, pivot support frame 7 is installed on stand 20 medial surface, and pivot 8 is installed on pivot support frame 7, and cam 9 is installed at the lower extreme of pivot 8, can rotate along with pivot 8; one end of the swing arm 2 is mounted on the rotating shaft 8 through a top fixing disc 17 by using a screw and can rotate along with the rotating shaft 8, the other end of the swing arm is fixed outside the supporting rod 5, an adjusting nut 6 is arranged at the top of the supporting rod 5, the adjusting screw rod 1 passes through the adjusting nut 6 and is inserted into the supporting rod 5, and the adjusting nut 6 can adjust the position of the adjusting screw rod 1 up and down through a thread pair; the adjusting screw rod 1 is vertically contacted with the bottom plate 18 of the sliding block, the supporting rod 5 is placed 10mm above the upper plane of the worktable plate of the movable worktable 19, and the gap is used for eliminating the unequal height errors of a plurality of safety bolts when the safety bolts are pressed down; after the supporting rod 5 rotates into the die area, the cam 9 enables the limit switch 10 to contact and send a signal, and the press machine cannot be started.

The upright post 20 is provided with an upright post fixing block 14, the rotating shaft supporting frame 7 is provided with a supporting frame fixing block 13, the spring clamp 12 is arranged on the swinging arm 2, and when the safety bolt is positioned outside a die area, the upright post fixing block 14 is clamped in the spring clamp 12 to prevent the safety bolt from rebounding; when the safety bolt was in mould district extreme position, on support frame fixed block 13 through handle 15 with spring clamp 12 card on pivot support frame 7, prevented to kick-back.

The limit switch bracket 16 is arranged on the upright post 20, the limit switch 10 is arranged on the limit switch bracket 16, and after the support rod 5 rotates into the die area, the limit switch 10 contacts with the cam 9 to send a signal.

The outside of the semi-cylinder of the swing arm 2 is provided with a handle 15, and the safety bolt can be pulled through the handle 15 to drive the swing arm 2 to screw in and screw out the safety bolt through the rotating shaft 8.

The bearing 11 is arranged in the rotating shaft supporting frame 7, the weight of the swing arm 2 and the adjusting screw 1, the spring 3, the rotation stopping key 4, the supporting rod 5, the adjusting nut 6 and the handle 15 which are arranged on the swing arm is supported, and the swing arm 2 is flexibly rotated.

The adjusting screw 1 is provided with a key groove, the length of the key groove is larger than the maximum die filling height adjusting amount, and the rotation stopping key 4 is arranged in the key groove and fixed on the swing arm 2 through a screw; when the adjusting nut 6 rotates, the adjusting screw rod 1 only can move up and down along the key groove, and the upper end face of the adjusting screw rod 1 stops rotating when contacting with the bottom face of the sliding block bedplate, so that the adjustment of different safety bolt heights can be realized.

The safety bolt devices are arranged on the inner side surface of the upright post of the stamping equipment of the press machine, two sets of safety bolt devices are arranged and arranged in a diagonal manner, and when the safety bolts are manually pushed into a die area, the spring clamps are clamped on the positioning blocks, so that the situation that the press machine cannot start due to the fact that the safety bolts are touched carelessly is avoided, and the limit switches send signals; when the safety bolt is pushed out from the die area to the inner side of the upright post, the spring clamp is clamped on the fixed block on the upright post, the problem of resilience caused by vibration generated in the working process of the press machine is avoided, and the limit switch sends a signal at the moment, so that the press machine can be normally started.

The utility model is used when the press machine is in fault maintenance or repairing the die, the safety bolt is manually pushed and pulled into the die area by the operating personnel, firstly, the spring clamp is ensured to be clamped on the positioning block, the cam touches the limit switch to send a signal, and the press machine can not be started; secondly, the gap between the lower end surface of the support rod of the safety bolt and the upper plane of the workbench bedplate is 10mm; thirdly, performing secondary filtration; by rotating the adjusting nut, the adjusting screw rod of the safety bolt moves up and down along the key groove until the upper end face of the adjusting screw rod is vertically contacted with the bottom face of the sliding block bedplate. In this case, the operator can enter the mold area to repair or repair the mold.

Under the condition that the sliding block suddenly slides, the safety bolt supporting rod is pressed downwards by 10mm to the lower supporting surface, and the sliding block is prevented from continuously falling. The gap is used for eliminating the unequal height error of the safety bolt when the safety bolt is pressed down, and the working state of the safety bolt is the moment.

When the safety plug is pushed out to the inner side of the upright post from the die area, the spring clamp is also ensured to be clamped on the fixing block on the upright post, the rebound phenomenon cannot occur, at the moment, the limit switch sends a signal, and the press can be normally started. The safety bolt is in a non-working state at this time. If the height of the safety bolt is too high, the adjusting screw rod of the safety bolt can be moved downwards along the key groove by rotating the adjusting nut.

The utility model discloses simple structure, prevent kick-back, the push-and-pull is light, and maneuverability is strong, and the security is high, does not have complicated electromechanical interlocking moreover.

The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.

Claims

1. The utility model provides a manual plug-type swing arm safety cock device of preventing kick-backing which characterized in that: the adjustable rotary table comprises an adjusting screw rod (1), a swing arm (2), a spring (3), a rotation stopping key (4), a support rod (5), an adjusting nut (6), a rotary shaft support frame (7), a rotary shaft (8), a cam (9), a limit switch (10), a bearing (11), a spring clamp (12), a support frame fixing block (13), an upright post fixing block (14), a handle (15), a limit switch support frame (16), a fixing disc (17), a slider bottom plate (18), a movable workbench (19) and an upright post (20), wherein the rotary shaft support frame (7) is arranged on the inner side face of the upright post (20), the rotary shaft (8) is arranged on the rotary shaft support frame (7), and the cam (9) is arranged at the lower end of the rotary shaft (8) and can rotate together with the rotary shaft (8); one end of the swing arm (2) is mounted on the rotating shaft (8) through a top fixing disc (17) by using a screw, the other end of the swing arm is fixed outside the supporting rod (5), an adjusting nut (6) is arranged at the top of the supporting rod (5), the adjusting screw rod (1) penetrates through the adjusting nut (6) and is inserted into the supporting rod (5), and the adjusting nut (6) can adjust the position of the adjusting screw rod (1) up and down through a thread pair; the adjusting screw (1) is vertically contacted with the bottom plate (18) of the sliding block, the supporting rod (5) is placed above the upper plane of the working table plate of the movable working table (19) by 10mm, the cam (9) enables the limit switch (10) to be contacted for signaling, and the press machine cannot be started.

2. The anti-rebound manual push-pull type swing arm safety cock device according to claim 1, characterized in that: be equipped with stand fixed block (14) on stand (20), installation support frame fixed block (13) on pivot support frame (7), spring clamp (12) are installed on swing arm (2), and when the safety was tied outside the mould district, stand fixed block (14) card prevented in spring clamp (12) that the safety was tied and kick-backs, and when the safety was tied in mould district extreme position, spring clamp (12) card prevented to kick-back on support frame fixed block (13) on pivot support frame (7).

3. The antirebound manual push-pull swing arm safety latch device of claim 1, wherein: the limit switch support (16) is installed on the stand column (20), the limit switch (10) is installed on the limit switch support (16), and after the support rod (5) rotates into the die area, the limit switch (10) contacts with the cam (9) to send a signal.

4. The antirebound manual push-pull swing arm safety latch device of claim 1, wherein: the handle (15) is arranged outside the semi-cylinder of the swing arm (2), and the safety bolt can be pulled through the handle (15) and driven through the rotating shaft (8) to drive the swing arm (2) to screw in and screw out the safety bolt.

5. The antirebound manual push-pull swing arm safety latch device of claim 1, wherein: and a bearing (11) is arranged in the rotating shaft supporting frame (7) to support the weight of the swing arm (2) and enable the swing arm (2) to rotate flexibly.

6. The antirebound manual push-pull swing arm safety latch device of claim 1, wherein: the adjusting screw rod (1) is provided with a key groove, the length of the key groove is larger than the maximum die-filling height adjusting amount, and the rotation stopping key (4) is arranged in the key groove and fixed on the swing arm (2) through a screw.

7. An anti-rebound manual push-pull swing arm safety latch device according to any one of claims 1 to 6, wherein: the safety plug devices are arranged on the inner side surface of the upright post of the press machine stamping equipment, and two sets of safety plug devices are arranged and are arranged diagonally.