CN214720839U

CN214720839U - Drilling mould fastening device for helmet production

Info

Publication number: CN214720839U
Application number: CN202120793633.8U
Authority: CN
Inventors: 丁建英
Original assignee: Tianjin Luodiya Sporting Goods Co ltd
Current assignee: Tianjin Luodiya Sporting Goods Co ltd
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2021-11-16
Anticipated expiration: 2031-04-17

Abstract

The utility model discloses a drilling die fastening device for helmet production, which relates to the technical field of helmet production auxiliary equipment and comprises a frame, wherein two sections of chutes are formed on the frame, slide blocks are arranged in the chutes in a sliding manner, threaded rods which are rotationally matched with the frame are arranged in the chutes, the threaded rods are in threaded fit with the slide blocks, and hand wheels are fixedly arranged on the threaded rods; the rotary rings are rotatably arranged on the sliding blocks, a pair of L-shaped clamping pieces are hinged in the rotary rings, an air cylinder is hinged on one clamping piece, and the piston rod end of the air cylinder is hinged with the other clamping piece hinged to the corresponding rotary ring. The utility model provides a use convenient, reliable and stable's a drilling mould fastener for helmet production.

Description

Drilling mould fastening device for helmet production

Technical Field

The utility model relates to a helmet production auxiliary assembly technical field especially relates to a helmet production is with drilling mould fastener.

Background

After the blank of the racing helmet is formed, a drilling process is required for installing various accessories such as a visor on the racing helmet. In order to facilitate drilling and ensure drilling accuracy during manual drilling, the blank of the racing car helmet is usually placed in a drilling die, and the blank of the racing car helmet is drilled by utilizing preset hole positions on the drilling die.

The existing drilling die comprises two sub dies, a plurality of guide holes used for positioning are formed in the sub dies, and the edges of the two sub dies are clamped by clamping clamps. The workman need align two branch moulds during the use, then utilizes the chucking to press from both sides the edge of two branch moulds, then utilizes the hammer to carry out the hammering to the chucking and makes the chucking press from both sides the mould fastening with two. After the drilling operation has ended, the worker likewise needs to remove the clamping clip by hammering with a hammer.

The existing mode has the disadvantages of complex operation, low production efficiency, high labor intensity of workers and inconvenient use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a helmet production is with drilling mould fastener utilizes the holder to stabilize the centre gripping with drilling mould, makes things convenient for the workman to fasten drilling mould fast, effectively improves the drilling efficiency of cycle racing helmet.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a drilling die fastening device for helmet production comprises a rack, wherein two sliding grooves are formed in the rack, sliding blocks are arranged in the sliding grooves in a sliding mode, threaded rods which are in running fit with the rack are arranged in the sliding grooves, the threaded rods are in threaded fit with the sliding blocks correspondingly, and hand wheels are fixedly arranged on the threaded rods; the rotary ring is rotatably arranged on each sliding block, a pair of L-shaped clamping pieces are hinged to each rotary ring, an air cylinder is hinged to one of the clamping pieces, and the piston rod end of each air cylinder is hinged to the other clamping piece hinged to the corresponding rotary ring.

Through adopting above-mentioned technical scheme, during the use, operating personnel places drilling mould in with cycle racing helmet blank, then places drilling mould between two sliders to make drilling mould's edge be located between the holder, later keep away from drilling mould's one end alternate segregation under the drive of cylinder holder, and the one end that the holder is close to drilling mould is close to each other until pressing from both sides drilling mould tight. After the operator finishes drilling one side of the racing helmet, the whole drilling die can be turned over to drill the other side of the racing helmet. When an operator rotates the hand wheel, the sliding blocks can slide along the sliding grooves, so that the distance between the two sliding blocks is controlled, and the racing car helmet with different sizes is adapted. Above-mentioned technical scheme can greatly shorten the time when fastening the drilling mould, improves the convenience of operating personnel operation.

The utility model discloses further set up to: the clamping piece is fixedly provided with a contact element at one end of the clamping workpiece, and the contact element is of an arc-shaped long strip structure.

Through adopting above-mentioned technical scheme, the area that the contact can effectively increase drilling mould by the centre gripping further improves centre gripping stability.

The utility model discloses further set up to: and a plurality of slots distributed along the circumferential direction of the rotating ring are formed on two sides of the rotating ring.

Through adopting above-mentioned technical scheme, the slot can be convenient for operating personnel to rotate the swivel, effectively improves this helmet production is with drilling mould fastener's use convenience.

The utility model discloses further set up to: the slider is formed with a sliding hole, a bolt is arranged in the sliding hole in a sliding mode, and the bolt is in inserting fit with the slot.

Through adopting above-mentioned technical scheme, after rotating swivel to suitable position, peg graft the slot that corresponds with the bolt, make the swivel unable random rotation, guarantee that operating personnel is carrying out the stability of drilling in-process swivel to the cycle racing helmet, and can make things convenient for operating personnel to adjust the angle of swivel, further improve this drilling mould fastener's for helmet production use convenience.

The utility model discloses further set up to: the rack is provided with a cushion block, and the cushion block is positioned between the two sliding blocks.

Through adopting above-mentioned technical scheme, the cushion can provide effectual support for drilling mould at drilling mould downside, effectively avoids drilling mould to receive unstable impact force at the drilling in-process, guarantees the drilling precision.

The utility model discloses further set up to: a vertical slideway is formed on the rack, and the cushion block is in sliding fit with the slideway; a lock hole is formed in the cushion block, a lock tongue is arranged in the lock hole in a sliding manner, a first spring is fixedly connected between the root of the lock tongue and the bottom of the lock hole, and a lock hole matched with the lock tongue for use is formed in the upper side of the side wall of the slideway; and a second spring is fixedly arranged between the bottom of the cushion block and the bottom of the slide way.

Through adopting above-mentioned technical scheme, the cushion shifts up and makes the spring bolt spring into in the lock hole under the effect of second spring, locks the cushion in the frame, makes the cushion keep stable state. When the other side of the racing car helmet is needed to be punched and then the drilling die needs to be turned for 180 degrees, the lock tongue is pulled out of the lock hole and then the cushion block is pressed downwards, so that the drilling die has enough space to be turned.

The utility model discloses further set up to: the novel spring bolt is characterized in that a vertical guide hole is formed in the cushion block, a pull rod is arranged in the guide hole in a sliding mode, a control panel is fixedly arranged on the spring bolt, an inclined control groove is formed in the control panel, a sliding column matched with the control groove in a sliding mode is fixedly arranged at the upper end of the pull rod, and a pedal ring is fixedly arranged at the lower end of the pull rod.

Through adopting above-mentioned technical scheme, can stimulate the pull rod downwards when operating personnel tramples pedal ring, and the slip post of pull rod upper end will slide in the control flume this moment, because the control flume sets up for the slope, the in-process that the post that slides downwards will extrude the lateral wall of control flume and make the control panel drive the spring bolt and carry out horizontal migration, and then makes the spring bolt withdraw from the lock hole. The whole cushion block is pulled to move downwards in the process that the pull rod continues to move downwards, so that enough space is reserved for the drilling die to overturn.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the utility model discloses utilize the holder can carry out swiftly to the drilling mould and press from both sides tightly, and the drilling mould can also freely overturn, and the operating personnel of being convenient for operates, improves the drilling efficiency of cycle racing helmet;

(2) the distance between the two pairs of clamping pieces in the utility model can be adjusted by rotating the hand wheel, so that the device can be quickly and conveniently adapted to racing car helmets with different specifications;

(3) the utility model discloses operating personnel tramples pedal ring and just can make the cushion unblock and make the cushion move down, guarantees this helmet production is with drilling mould fastener's use convenience.

Drawings

Fig. 1 is an axial view of the overall structure of an embodiment of the present invention;

fig. 2 is a partial cross-sectional view of an embodiment of the present invention along the centerline thereof, which mainly shows the structure of the spacer.

Reference numerals: 1. a frame; 2. a chute; 3. a slider; 4. a threaded rod; 5. a hand wheel; 6. a guide rail; 7. rotating the ring; 8. a clamping member; 9. a contact member; 10. a cylinder; 11. a sliding hole; 12. a bolt; 13. a slot; 14. a slideway; 15. Cushion blocks; 16. a lock aperture; 17. a latch bolt; 18. a first spring; 19. locking holes; 20. a second spring; 21. a limiting hole; 22. a pull rod; 23. a step ring; 24. a control panel; 25. a control slot; 26. sliding the column; 27. and (4) guiding the hole.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached drawing 1, the drilling die fastening device for helmet production comprises a rack 1, two sliding grooves 2 which are located on the same straight line are formed in the rack 1, sliding blocks 3 are arranged in the sliding grooves 2 in a sliding mode, threaded rods 4 which are in running fit with the rack 1 are further arranged in the sliding grooves 2, the threaded rods 4 are in threaded fit with the sliding blocks 3, and one ends, far away from each other, of the two threaded rods 4 extend out of the rack 1 and are fixedly provided with hand wheels 5. The slider 3 is fixedly provided with a circular guide rail 6, a rotating ring 7 is arranged in the guide rail 6 in a rotating manner, a pair of L-shaped clamping pieces 8 are hinged in the rotating ring 7, one end of each clamping piece 8 for clamping a workpiece is fixedly provided with a contact element 9, and the contact element 9 is of an arc-shaped long strip structure. The clamping piece 8 is provided with a cylinder 10 at one end far away from the contact piece 9 in an articulated manner, and the piston rod end of the cylinder 10 is articulated with the other clamping piece 8 articulated on the corresponding rotating ring 7.

The both sides of change 7 all the shaping have a plurality of and 12 grafting complex slots 13 of bolt, slot 13 distributes along the circumference of change 7, and the shaping has the hole of sliding 11 on the guide rail 6, slides in the hole of sliding 11 and is provided with the bolt 12 with 13 grafting complex of slot. After the rotating ring 7 is rotated to a proper angle, the bolt 12 is pushed into the slot 13, so that the rotating ring 7 can keep a stable state and cannot rotate freely.

With reference to fig. 2, a vertical slide 14 is fixedly arranged on the frame 1 along the height direction, the slide 14 is located between the two sliding grooves 2, a cushion block 15 is arranged in the slide 14 in a sliding manner, a horizontal lock hole 16 is formed in the cushion block 15, a lock tongue 17 is arranged in the lock hole 16 in a sliding manner, a first spring 18 is fixedly connected between one end of the lock tongue 17 extending into the lock hole 16 and the bottom of the lock hole 16, and a lock hole 19 is formed in the side wall of the slide 14. A plurality of second springs 20 are fixedly connected between the lower end of the slide 14 and the lower side of the pad 15. Under the pushing action of the second spring 20, the cushion block 15 moves upwards along the slide way 14 until the bolt 17 springs into the lock hole 19, the cushion block 15 is locked, the cushion block 15 is kept in a stable state, and stable support is provided for a drilling mold in the process that an operator drills holes in the racing helmet. A vertical guide hole 27 is formed in the lower side of the cushion block 15, the guide hole 27 is communicated with the lock hole 16, a pull rod 22 is arranged in the guide hole 27 in a sliding mode, and the lower end of the pull rod 22 extends out of the guide hole 27. A limiting hole 21 is formed at the bottom of the slideway 14, and the lower end of the pull rod 22 extends out of the limiting hole 21 and is fixedly provided with a pedal ring 23. The locking bolt 17 is fixedly provided with a control plate 24, the control plate 24 is formed with a control groove 25, the control groove 25 inclines from top to bottom to one end close to the tongue tip of the locking bolt 17, and the upper end of the pull rod 22 extends into the guide hole 27 and is fixedly provided with a sliding column 26 matched with the control groove 25 in a sliding manner.

The working principle of the embodiment is as follows: during the use, operating personnel places the drilling mould in with cycle racing helmet rough blank, then places the drilling mould between two sliders 3 to make the edge of drilling mould be located between the holder 8, later keep away from the one end alternate segregation of drilling mould under the drive of cylinder 10 for holder 8, and the one end that holder 8 is close to the drilling mould is close to each other until pressing from both sides the drilling mould tightly. Then, an operator pushes the bolt 12 to enable the bolt 12 to be inserted into the corresponding slot 13, after drilling is finished on one side of the racing car helmet, the operator pulls out the bolt 12, then steps on the pedal ring 23 to enable the cushion block 15 to move downwards, and then the whole drilling die is turned over to drill holes on the other side of the racing car helmet. This embodiment can press from both sides tightly fast convenient to the drilling mould to can overturn the drilling mould at the drilling in-process, effectively reduce operating personnel's intensity of labour, improve the drilling efficiency of cycle racing helmet.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a helmet production is with drilling mould fastener, includes frame (1), its characterized in that: two sections of sliding grooves (2) are formed in the rack (1), sliding blocks (3) are arranged in the sliding grooves (2) in a sliding mode, threaded rods (4) which are in running fit with the rack (1) are arranged in the sliding grooves (2), the threaded rods (4) are in threaded fit with the sliding blocks (3) correspondingly, and hand wheels (5) are fixedly arranged on the threaded rods (4); the rotary ring (7) is arranged on the sliding block (3) in a rotating mode, a pair of L-shaped clamping pieces (8) are arranged in the rotary ring (7) in an articulated mode, one of the L-shaped clamping pieces (8) is provided with an air cylinder (10) in an articulated mode, and the piston rod end of the air cylinder (10) is hinged to the other clamping piece (8) which is hinged to the corresponding rotary ring (7).

2. The drilling die fastening device for helmet production according to claim 1, wherein: the clamping piece (8) is fixedly provided with a contact element (9) at one end for clamping a workpiece, and the contact element (9) is of an arc-shaped long strip structure.

3. The drilling die fastening device for helmet production according to claim 1, wherein: and a plurality of slots (13) distributed along the circumferential direction of the rotating ring (7) are formed on two sides of the rotating ring.

4. The drilling die fastening device for helmet production according to claim 1, wherein: the slider (3) is gone up the shaping and is had slide hole (11), slide hole (11) internal slipping is provided with bolt (12), bolt (12) and slot (13) grafting cooperation.

5. The drilling die fastening device for helmet production according to claim 1, wherein: the frame (1) is provided with a cushion block (15), and the cushion block (15) is located between the two sliding blocks (3).

6. The drilling die fastening device for helmet production according to claim 5, wherein: a vertical slideway (14) is formed on the rack (1), and the cushion block (15) is in sliding fit with the slideway (14); a lock hole (16) is formed in the cushion block (15), a lock tongue (17) is arranged in the lock hole (16) in a sliding manner, a first spring (18) is fixedly connected between the root of the lock tongue (17) and the bottom of the lock hole (16), and a lock hole (19) matched with the lock tongue (17) for use is formed in the upper side of the side wall of the slide way (14); and a second spring (20) is fixedly arranged between the bottom of the cushion block (15) and the bottom of the slide way (14).

7. The drilling die fastening device for helmet production according to claim 6, wherein: the shaping has vertical bullport (27) on cushion (15), it is provided with pull rod (22) to slide in bullport (27), fixed control panel (24) that is provided with on spring bolt (17), the shaping has control tank (25) of slope on control panel (24), the upper end of pull rod (22) is fixed to be provided with slides complex with control tank (25) and slides and move post (26), the fixed ring (23) that steps on that is provided with of lower extreme of pull rod (22).