CN211332087U

CN211332087U - Automatic assembly production line for bolt threaded sleeve drill rod

Info

Publication number: CN211332087U
Application number: CN201922472027.1U
Authority: CN
Inventors: 杨小龙
Original assignee: Xinxiang Changling Metal Products Co ltd
Current assignee: Xinxiang Changling Metal Products Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-25
Anticipated expiration: 2029-12-31

Abstract

The utility model provides an automatic assembly production line of a bolt turnbuckle drill rod, which comprises a first conveying mechanism for conveying turnbuckles, a second conveying mechanism for conveying drill rods and a pressing mechanism for assembly; the second conveying mechanism comprises two rows of conveying chains arranged in parallel, fixing mechanisms are arranged on the inner sides of the two rows of conveying chains corresponding to the drill rods, each fixing mechanism comprises a guide cylinder arranged on the inner side of each conveying chain, a telescopic rod is inserted into each guide cylinder, a compression spring is connected between the inner end of each telescopic rod and the inner end of each guide cylinder, an arc-shaped fixture block is arranged on the outer end of each telescopic rod, the end part of each fixture block is an inclined surface, a semi-cylindrical positioning cylinder is downwards arranged at the end part of each fixture block, and the fixing mechanisms on the two rows of conveying chains are arranged in a one-to; the utility model discloses can realize the automation mechanized operation of swivel nut bolt key assembly, need not the manual work and install the borer one by one, improve the production efficiency of bolt swivel nut greatly, and the installation quality of borer is better, and the wastrel probability is lower.

Description

Automatic assembly production line for bolt threaded sleeve drill rod

Technical Field

The utility model relates to a bolt swivel nut production facility technical field, concretely relates to bolt swivel nut borer automatic assembly production line.

Background

The bolt thread insert is a special fastener with threads on the inner side and the outer side, four or two bolt keys are arranged on the outer threads, the bolt thread insert is arranged in the tapped bottom hole, and then the bolt is pressed in to play a strong fastening role. The product is mainly used for products with higher requirements on the thread strength, such as military industry, aerospace, railway locomotives, vibrating machinery and the like.

In the production process of the bolt threaded sleeve, the threaded sleeve and the drill rod are separately produced, and the drill rod is pressed into a reserved hole of the threaded sleeve at last, but most of the assembly of the last step is carried out manually at present, so that the efficiency is very low, and the manpower input is very high, so that a production line capable of automatically assembling the drill rod on the threaded sleeve is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a bolt swivel nut borer automatic assembly production line can realize the automatic operation of swivel nut bolt key assembly, need not the manual work and installs the borer one by one.

In order to solve the technical problem, the utility model provides an automatic assembly production line of bolt turnbuckle drill rod, which comprises a first conveying mechanism for conveying turnbuckles, a second conveying mechanism for conveying drill rods and a pressing mechanism for assembly;

the second conveying mechanism comprises two rows of conveying chains arranged in parallel, fixing mechanisms are arranged on the inner sides of the two rows of conveying chains corresponding to the drill rods, each fixing mechanism comprises a guide cylinder arranged on the inner side of each conveying chain, a telescopic rod is inserted into each guide cylinder, a compression spring is connected between the inner end of each telescopic rod and the inner end of each guide cylinder, an arc-shaped fixture block is arranged on the outer end of each telescopic rod, the end part of each fixture block is an inclined surface, a semi-cylindrical positioning cylinder is downwards arranged at the end part of each fixture block, and the fixing mechanisms on the two rows of conveying chains are arranged in a one-to;

the pressing mechanism comprises a hydraulic push rod arranged on the rack, the lower end of the hydraulic push rod is provided with a fixing head corresponding to the drill rod, the lower end of the fixing head is provided with a fixing hole, and the inner end of the fixing hole is provided with a magnet.

Furthermore, two ends of the conveying chain are supported by transmission gears, the transmission gears are arranged on rotating shafts, and the rotating shaft at one end of the conveying chain is in transmission connection with the stepping motor.

Furthermore, the first conveying mechanism comprises a conveying belt, a clamping seat is arranged on the conveying belt, a fixing groove is formed in the middle of the clamping seat, and a positioning block is arranged in the fixing groove and corresponds to a pin hole of the threaded sleeve.

Furthermore, the pressing mechanisms and the second conveying mechanisms are correspondingly arranged, the number of the pressing mechanisms is consistent with that of the second conveying mechanisms, and the number of the second conveying mechanisms is consistent with that of the pin holes of the screw sleeves.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

the first conveying mechanism is used for conveying the threaded sleeves, the second conveying mechanism is used for conveying the drill rods, and the threaded sleeves of the first conveying mechanism pass through the upper chain and the lower chain of the conveying chain. The screw sleeve stops when moving to the position of the transmission chain, the transmission chain fixes the drill rod and stops after moving to the upper part of the pin hole, the pressing mechanism examines downwards, the drill rod is inserted into the fixing hole of the fixing head and then moves downwards continuously, at the moment, the end part of the fixture block of the fixing mechanism is an inclined plane, the downward pressure can push the fixture block outwards, the drill rod is taken out of the fixing mechanism and moves downwards continuously, the magnet can ensure that the drill rod cannot fall off, the fixing hole fixes the position and the state of the drill rod simultaneously, so that the lower end of the drill rod can be directly inserted into the pin hole of the screw sleeve, and the assembly of the pin inserting key is completed.

The utility model discloses can realize the automation mechanized operation of swivel nut bolt key assembly, need not the manual work and install the borer one by one, improve the production efficiency of bolt swivel nut greatly, and the installation quality of borer is better, and the wastrel probability is lower.

Drawings

FIG. 1 is a schematic structural view of an automatic assembly line for a plug bolt turnbuckle drill rod of the present invention;

fig. 2 is a schematic structural view of the fixing mechanism of the present invention;

FIG. 3 is a cross-sectional view of the head of the fixing mechanism of the present invention;

FIG. 4 is a cross-sectional view of the rear head of the fixing mechanism of the present invention holding the drill rod;

fig. 5 is a schematic structural view of the pressing mechanism of the present invention;

fig. 6 is a schematic structural view of the clamping seat fixing threaded sleeve of the present invention.

1. A pressing mechanism; 2. a first conveying mechanism; 3. a second conveying mechanism; 4. a conveyor chain; 5. a transmission gear; 6. a conveyor belt; 7. a fixing mechanism; 8. a card holder; 9. a threaded sleeve; 10. a stepping motor; 11. a rotating shaft; 12. a guide cylinder; 13. a compression spring; 14. a telescopic rod; 15. a clamping block; 16. a bevel; 17. a positioning cylinder; 18. a drill rod; 19. a frame; 20. a hydraulic push rod; 21. a fixed head; 22. a magnet; 23. a fixing hole; 24. fixing the groove; 25. a pin hole; 26. and (5) positioning the blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 6 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Example one

As shown in fig. 1-5: an automatic assembly production line for a bolt turnbuckle drill rod comprises a first conveying mechanism 2 used for conveying turnbuckles 9, a second conveying mechanism 3 used for conveying drill rods 18 and a pressing mechanism 1 used for assembly;

the second conveying mechanism 3 comprises two rows of conveying chains 4 which are arranged in parallel, fixing mechanisms 7 are arranged on the inner sides of the two rows of conveying chains 4 corresponding to the drill rods 18, each fixing mechanism 7 comprises a guide cylinder 12 arranged on the inner side of each conveying chain 4, an expansion rod 14 is inserted into each guide cylinder 12, a compression spring 13 is connected between the inner end of each expansion rod 14 and the inner end of each guide cylinder 12, an arc-shaped fixture block 15 is arranged on the outer end of each expansion rod 14, the end part of each fixture block 15 is an inclined surface 16, a semi-cylindrical positioning cylinder 17 is downwards arranged at the end part of each fixture block 15, and the fixing mechanisms 7 on the two rows of conveying chains 4 are arranged in;

the pressing mechanism 1 comprises a hydraulic push rod 20 arranged on a frame 19, the lower end of the hydraulic push rod 20 is provided with a fixed head 21 corresponding to the drill rod 18, the lower end of the fixed head 21 is provided with a fixed hole 23, and the inner end of the fixed hole 23 is provided with a magnet 22.

Specifically, the fixing mechanisms are respectively arranged on two rows of conveying chains, the telescopic rod can extend and contract in the guide cylinder, the length of the guide cylinder ensures that the telescopic rod cannot fall off from the cylinder after the compression spring is completely extended, the two ends of the compression spring are respectively connected with the telescopic rod and the guide cylinder to apply outward force to the telescopic rod, and the telescopic rod cannot be popped out from the guide cylinder due to connection, the telescopic rod can push the fixture blocks to move towards the middle, the two fixture blocks can clamp the drill rod, and the front end of the fixture block is an inclined plane, so that when the hydraulic push rod pushes the fixing head downwards, the drill rod is clamped in the fixing head and then pushes the fixture blocks towards two sides in the process of continuing to move downwards, the telescopic rod is contracted into the guide cylinder, the hydraulic push rod can push the drill rod to fall from the middle of the fixture blocks, and the fixture blocks are unfolded in the process of continuing to move downwards, so that the hydraulic push, and completing the assembly of the latch key.

The inner diameter of the semi-cylindrical positioning cylinder is matched with the diameter of the lower part of the drill rod, the positioning cylinders on the two clamping blocks can be butted and spliced into a cylinder, the lower part of the drill rod is positioned in the cylinder in the process of being clamped by the clamping blocks, the drill rod can be ensured to be in a vertical state, the drill rod can be directly clamped by the fixing head, and the finished product rate is ensured.

The diameter of the fixing head at the lower end of the hydraulic push rod needs to be away from the upper edges of the two clamping blocks, so that the clamping blocks cannot be propped open. The magnet in the fixed hole can be fixed to the brazing rod, and the brazing rod is prevented from falling in the pressing process. In order to protect the magnet, a high-strength protective plate can be arranged in the fixing hole corresponding to the magnet, so that the magnet is prevented from being crushed by a brazing rod.

According to an embodiment of the present invention, as shown in fig. 2, the two ends of the conveying chain 4 are supported by the transmission gear 5, the transmission gear 5 is disposed on the rotating shaft 11, and the rotating shaft 11 at one end is in transmission connection with the stepping motor 10. Two ends of the two rows of conveying chains are respectively arranged on the same rotating shaft, so that the rotation synchronism can be ensured. The transmission chain must be tightened by the transmission gear to avoid the rock drill to shake in the process of conveying the rock drill.

According to the utility model discloses an embodiment, as shown in fig. 1 and 6, first conveying mechanism 2 includes conveyer belt 6, set up cassette 8 on the conveyer belt 6, set up fixed recess 24 in the middle of the cassette 8, the pinhole 25 that corresponds swivel nut 9 in the fixed recess 24 sets up locating piece 26. The conveyer belt can adopt doubly fast chain, and the position when cassette stops is accurate. The size of the fixed groove is matched with that of the threaded sleeve, the number and the structure of the positioning blocks correspond to those of the pin holes, and the threaded sleeve is prevented from rotating or shaking in the assembling process, so that the drill rod cannot be inserted into the pin holes. The height of the positioning block cannot be too high, and the drill rod can be inserted into the upper part of the pin hole, so that the height of the positioning block is lower than that of the lower end of the drill rod after the drill rod is inserted.

In an embodiment of the present invention, as shown in fig. 1, the pressing mechanisms 1 are disposed corresponding to the second conveying mechanisms 3, the number of the pressing mechanisms 1 is the same as that of the second conveying mechanisms 3, and the number of the second conveying mechanisms 3 is the same as that of the pin holes 25 of the screw sleeves 9. The pressing mechanism is used for assembling the drill rod into the pin hole of the screw sleeve, so that the position of the pressing mechanism is consistent with the pin hole to be assembled, the second conveying mechanism can only be assembled aiming at one pin hole of the screw sleeve, the screw sleeve is provided with two pin keys in figure 1, therefore, two second conveying mechanisms and two pressing mechanisms are arranged and assembled aiming at different pin holes respectively, if the screw sleeve is provided with four pin holes, the number of the second conveying mechanisms and the number of the pressing mechanisms are also four, and the second conveying mechanisms and the pressing mechanisms are arranged corresponding to the four pin holes respectively.

The utility model discloses a use method: the drill rod is placed on the fixing mechanism through a vibrating screen or manually, the threaded sleeve is placed in the clamping seat, the production line is started, the first conveying mechanism and the second conveying mechanism run, the threaded sleeve stops when being conveyed to the position under the pressing-down mechanism, the drill rod stops when being moved to the position over the corresponding pin hole of the threaded sleeve, the hydraulic push rod extends until the upper portion of the drill rod is inserted into the fixing hole of the fixing head, the hydraulic push rod continues to move to enable the drill rod to come out of the fixing mechanism, the clamping block is propped open to the two sides, and the hydraulic push rod continues to drive the drill rod to move downwards, so that the drill rod is inserted into the corresponding pin hole, and the assembly of one inserting pin key is completed. If a plurality of latch keys exist, the number of the second conveying mechanisms and the number of the pressing mechanisms are increased, the second conveying mechanisms and the pressing mechanisms are arranged along the first conveying mechanism, and assembly is completed one by one.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a bolt swivel nut bore automatic assembly production line which characterized in that: comprises a first conveying mechanism (2) for conveying a screw sleeve (9), a second conveying mechanism (3) for conveying a drill rod (18) and a pressing mechanism (1) for assembling;

the second conveying mechanism (3) comprises two rows of conveying chains (4) which are arranged in parallel, a fixing mechanism (7) is arranged on the inner side of each of the two rows of conveying chains (4) and corresponds to a drill rod (18), the fixing mechanism (7) comprises a guide cylinder (12) arranged on the inner side of each of the conveying chains (4), an expansion rod (14) is inserted into each guide cylinder (12), a compression spring (13) is connected and arranged between the inner end of each expansion rod (14) and the inner end of each guide cylinder (12), an arc-shaped clamping block (15) is arranged at the outer end of each expansion rod (14), the end part of each clamping block (15) is an inclined plane (16), a semi-cylindrical positioning cylinder (17) is downwards arranged at the end part of each clamping block (15), and the fixing mechanisms (7) on the two rows of;

the pressing mechanism (1) comprises a hydraulic push rod (20) arranged on a rack (19), the lower end of the hydraulic push rod (20) is provided with a fixing head (21) corresponding to the drill rod (18), the lower end of the fixing head (21) is provided with a fixing hole (23), and the inner end of the fixing hole (23) is provided with a magnet (22).

2. The automatic assembly line of plug screw shell borer according to claim 1, characterized in that: two ends of the conveying chain (4) are supported through a transmission gear (5), the transmission gear (5) is arranged on a rotating shaft (11), and the rotating shaft (11) at one end is in transmission connection with a stepping motor (10).

3. The automatic assembly line of plug screw shell borer according to claim 1, characterized in that: the first conveying mechanism (2) comprises a conveying belt (6), a clamping seat (8) is arranged on the conveying belt (6), a fixing groove (24) is formed in the middle of the clamping seat (8), and a positioning block (26) is arranged in the fixing groove (24) and corresponds to a pin hole (25) of the threaded sleeve (9).

4. The automatic assembly line of plug screw shell borer according to claim 1, characterized in that: the pressing mechanisms (1) and the second conveying mechanisms (3) are correspondingly arranged, the number of the pressing mechanisms (1) is consistent with that of the second conveying mechanisms (3), and the number of the second conveying mechanisms (3) is consistent with that of the pin holes (25) of the screw sleeve (9).