Gear type thread rolling machine for fastener production

Abstract

The utility model relates to the technical field of thread rolling machines, and provides a gear type thread rolling machine for fastener production, which comprises a rack and a pair of rectangular openings, the rectangular openings are both arranged on the surface of the rack, thread rolling components are arranged in the rectangular openings, feeding components are arranged in the rack and the rectangular openings, a support is fixed on the surface of the rack, and the side end face of the support is fixedly connected with a round pipe. Through holes are formed in the upper and lower end faces of the round pipe. By means of the technical scheme, the problems that when an existing thread rolling machine in the related technology is used, due to the fact that machined workpieces are different in length and machined sections are different in length, hands of workers need to be close to two thread rolling wheels of the thread rolling machine during operation, the thread rolling machine does not have a structure for protecting the hands of the workers, and the labor intensity of the workers is lowered are solved. And therefore, the safety of workers during operation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of thread rolling machine, specifically, relates to a gear type thread rolling machine for fastener production. BACKGROUND

[0002] The thread rolling machine in the fastener is a kind of mechanical equipment for processing thread.It is usually used to manufacture bolt, nut, screw and other fasteners.Thread rolling machine is by putting metal material into machine interior, and between two or more moulds, pressure and rotation force are applied, and the outer surface of raw material is cut and formed thread.Thread rolling machine has the advantage that it can process uniform and strong thread at faster speed and high precision, improves production efficiency and product quality.

[0003] Thread rolling machine is generally used, for smaller diameter, specification screw rod in processing, staff's hand will hold screw rod, and the end to be processed is inserted between two rollers for processing, after processing, it is taken out immediately, and the next one is entered.

[0004] The existing thread rolling machine has the following shortcomings in the processing process:

[0005] The existing thread rolling machine is used, and the length of the workpiece to be processed is not the same, and the length of the processing section is also not the same, the hand of the worker needs to be close to the two thread rolling wheels of the thread rolling machine during operation, and the thread rolling machine does not have the structure for protecting the hand of the worker, thereby reducing the safety of the worker during operation.

[0006] Therefore, the above problems are improved. CONTENT OF THE UTILITY MODEL

[0007] The utility model provides a gear type thread rolling machine for fastener production, solve the problem that the existing thread rolling machine in the prior art is used, and the length of the workpiece to be processed is not the same, and the length of the processing section is also not the same, the hand of the worker needs to be close to the two thread rolling wheels of the thread rolling machine during operation, and the thread rolling machine does not have the structure for protecting the hand of the worker, thereby reducing the safety of the worker during operation.

[0008] The technical scheme of the utility model is as follows: including

[0009] A pair of rectangular openings are formed in the surface of the rack;

[0010] A thread rolling assembly is arranged in the rectangular opening;

[0011] A feed assembly is arranged in the rack and the through opening;

[0012] The feeding assembly comprises a support fixed on the table surface, and a circular pipe fixedly connected to the side end surface of the support, and a through hole is formed in the upper and lower end surfaces of the circular pipe.

[0013] As a further technical solution, a pair of telescopic air cylinders are arranged on the support, an output end of the telescopic air cylinder is provided with a conveying wheel, the conveying wheel is driven to rotate by a motor, and an inner cavity is formed in the table.

[0014] As a further technical solution, a driving motor is arranged in the inner cavity, a rotating shaft is arranged in the through hole, the rotating shaft is connected to the output end of the driving motor, and a turnover frame is arranged on the rotating shaft.

[0015] As a further technical solution, a second air cylinder is arranged at the inner bottom of the turnover frame, a pair of movable frames are movably sleeved on the turnover frame, a fixed frame is arranged at the output end of the second air cylinder, rotating wheels are arranged on the fixed frame and the movable frames, and springs are sleeved on the movable frames.

[0016] As a further technical solution, the thread rolling assembly comprises a pair of circular rods fixed at both ends in the rectangular port, a movable base is movably sleeved on the circular rods, and a moving air cylinder is arranged on the inner side of the rectangular port.

[0017] As a further technical solution, the output end of the moving air cylinder is connected to the movable base, a stand is arranged on the movable base, a roller is rotatably connected in the stand, and a driving wheel is arranged on the side surface of the stand.

[0018] As a further technical solution, the driving wheel is controlled to rotate by a motor, a driven wheel is arranged at one end of the roller, and the driving wheel and the driven wheel are connected by a toothed belt.

[0019] As a further technical solution, a protection assembly is further arranged on both sides of the table, the protection assembly comprises a pair of slideways, and the slideways are respectively arranged on both sides of the table.

[0020] As a further technical solution, a slide rod is slidably connected in the slideway, a protection cover is arranged at one end of the slide rod, the protection cover is located at the top of the roller, and the protection cover has an L-shaped structure.

[0021] As a further technical solution, a pair of movable frames and the fixed frame are arranged in a triangular shape.

[0022] The working principle and beneficial effects of the utility model are as follows:

[0023] 1. The utility model discloses a feeding assembly is provided with, through the interaction of round pipe, telescopic cylinder, conveying wheel, driving motor, turnover frame, movable frame, fixed frame and rotating wheel etc. structure, can through conveying wheel to position screw rod's installation position and push to the processing length, can be supported through rotating wheel during screw rod thread rolling, and can cooperate rotation simultaneously, keep the stability when screw rod thread rolling.

[0024] 2. The utility model discloses a thread rolling assembly is provided with, through the interaction of moving base, stand and roller etc. structure, adopt movable mode to install roller, can be separated with screw rod after thread rolling, convenient control the processing length of screw rod. DRAWINGS

[0025] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0026] Figure 1 It is structure schematic drawing of the utility model;

[0027] Figure 2 It is axonometric view of the utility model;

[0028] Figure 3 It is sectional view of the utility model;

[0029] Figure 4 It is the utility model attached Figure 1 Part A partial enlarged view of the utility model;

[0030] Figure: 1, rack; 2, rectangular mouth; 3, mouth; 4, feeding assembly; 4-1, support; 4-2, round pipe; 4-3, through hole; 4-4, telescopic cylinder; 4-5, conveying wheel; 4-6, inner chamber; 4-7, driving motor; 4-8, rotating shaft; 4-9, turnover frame; 4-10, second cylinder; 4-11, movable frame; 4-12, fixed frame; 4-13, rotating wheel; 4-14, spring; 5, thread rolling assembly; 5-1, round bar; 5-2, moving base; 5-3, moving cylinder; 5-4, stand; 5-5, roller; 5-6, driving wheel; 5-7, from driving wheel; 6, protection assembly; 6-1, slide; 6-2, slide rod; 6-3, protective cover. SPECIFIC EMBODIMENT

[0031] The technical scheme in the utility model embodiment will be described clearly and completely in combination with the utility model embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the scope of the utility model protection.

[0032] As Figures 1-4The embodiment shown proposes a gear type thread rolling machine for fastener production, comprising

[0033] The rack 1 and a pair of rectangular openings 2 are provided on the surface of the rack 1.

[0034] The thread rolling assembly 5 is arranged in the rectangular opening 2.

[0035] The through opening 3 and the feeding assembly 4 are arranged in the rack 1 and the through opening 3.

[0036] The feeding assembly 4 comprises a support 4-1 fixed on the surface of the rack 1, a circular tube 4-2 fixedly connected to the side end surface of the support 4-1, through holes 4-3 provided on the upper and lower end surfaces of the circular tube 4-2, a pair of telescopic cylinders 4-4 arranged on the support 4-1, a conveying wheel 4-5 provided on the output end of the telescopic cylinder 4-4 and driven to rotate by a motor, an inner cavity 4-6 provided in the rack 1, a driving motor 4-7 arranged in the inner cavity 4-6, a rotating shaft 4-8 arranged in the through opening 3 and connected to the output end of the driving motor 4-7, a turnover frame 4-9 arranged on the rotating shaft 4-8, a second cylinder 4-10 arranged at the inner bottom of the turnover frame 4-9, a pair of movable frames 4-11 movably sleeved and connected in the turnover frame 4-9, a fixed frame 4-12 provided on the output end of the second cylinder 4-10, rotating wheels 4-13 provided on the movable frames 4-11 and the fixed frame 4-12, and springs 4-14 sleeved on the movable frames 4-11.

[0037] In the embodiment, the feeding assembly 4 is designed to realize automatic feeding. The support 4-1 is arranged on the surface of the rack 1, and the circular tube 4-2 is fixedly arranged on the side end surface of the support 4-1. The circular tube 4-2 is used to pass through the screw rod. The through holes 4-3 are provided on the upper and lower end surfaces of the circular tube 4-2. The telescopic cylinders 4-4 are arranged on the support 4-1 and are provided with the motor-controlled conveying wheels 4-5. The conveying wheels 4-5 can be controlled to rise and fall by the telescopic cylinders 4-4 to clamp the screw rod and then convey the screw rod. The inner cavity 4-6 is provided in the rack 1 and is provided with the driving motor 4-7. The rotating shaft 4-8 is arranged in the through opening 3 and is connected to the output end of the driving motor 4-7. The rotating shaft 4-8 is controlled to rotate by the driving motor 4-7. The turnover frame 4-9 is arranged on the rotating shaft 4-8. The movable frames 4-11 and the second cylinder 4-10 are arranged in the turnover frame 4-9. The fixed frame 4-12 is provided on the output end of the second cylinder 4-10. The rotating wheels 4-13 are rotatably connected to the movable frames 4-11 and the fixed frame 4-12. The rotating wheels 4-13 can support the screw rod at the center position and cooperate with the rotation of the screw rod. The fixed frame 4-12 is controlled to move up and down by the second cylinder 4-10. The springs 4-14 are sleeved on the movable frames 4-11. The screw rod is supported by the elastic force. After the thread rolling is completed, the turnover frame 4-9 can be rotated into the through opening 3, and then the screw rod is loosened and discharged.

[0038] Further, the thread rolling assembly 5 comprises a pair of round rods 5-1 fixed at both ends in the rectangular opening 2, a moving base 5-2 slidingly sleeved and connected on the round rods 5-1, a moving cylinder 5-3 arranged inside the rectangular opening 2, an output end of the moving cylinder 5-3 connected with the moving base 5-2, a stand 5-4 arranged on the moving base 5-2, a roller 5-5 rotatably connected in the stand 5-4, a driving wheel 5-6 arranged on the side surface of the stand 5-4, the driving wheel 5-6 rotating controlled by a motor, a driven wheel 5-7 arranged at one end of the roller 5-5, and the driving wheel 5-6 and the driven wheel 5-7 being transmissionally connected through a toothed belt.

[0039] In the embodiment, in order to realize the thread rolling effect of the separable screw rod, the thread rolling assembly 5 is designed, two round rods 5-1 are arranged in the rectangular opening 2 and slidingly sleeved with the moving base 5-2, the moving cylinder 5-3 is further arranged inside the rectangular opening 2 and connected with the moving base 5-2, the moving base 5-2 is controlled to move through the extension and retraction function of the moving cylinder 5-3, the stand 5-4 is arranged on the moving base 5-2 and rotatably connected with the roller 5-5 inside, the driven wheel 5-7 is arranged at one end of the roller 5-5, the driving wheel 5-6 rotating controlled by a motor is arranged on the side surface of the stand 5-4, the driving wheel 5-6 and the driven wheel 5-7 are transmissionally connected through a belt, the roller 5-5 is controlled to rotate, and the roller 5-5 is separated from the screw rod through the moving cylinder 5-3 after the thread rolling is completed.

[0040] Further, the protection assembly 6 is arranged on both sides of the rack 1, the protection assembly 6 comprises a pair of slideways 6-1, the slideways 6-1 are respectively arranged on both sides of the rack 1, a sliding rod 6-2 is slidingly connected in the slideway 6-1, a protective cover 6-3 is arranged at one end of the sliding rod 6-2, the protective cover 6-3 is located at the top of the roller 5-5, and the protective cover 6-3 has an overall L-shaped structure.

[0041] In the embodiment, in order to realize the effect of strengthening safety protection, the protection assembly 6 is designed, two slideways 6-1 are respectively arranged on both sides of the rack 1, a sliding rod 6-2 is slidingly connected in the slideway 6-1 and connected with a protective cover 6-3 at the outer end, and the protective cover 6-3 covers the top of the roller 5-5, thereby achieving a certain protection effect.

[0042] Further, the pair of movable frames 4-11 and the fixed frames 4-12 are in a triangular point distribution.

[0043] In the embodiment, through the point distribution in a triangular shape, the screw rod can be ensured to be supported and maintained at the axial position.

[0044] When the processing is needed, according to the diameter of the screw rod, the telescopic air cylinder 4-4 is started to control the two conveying wheels 4-5 to adjust the spacing, the screw rod is inserted into the round pipe 4-2 and clamped by the conveying wheels 4-5, the conveying wheels 4-5 are started to push the screw rod forward, the screw rod is inserted into the turnover frame 4-9 and the two rotating wheels 4-13 at the upper end are lifted up, the movable frame 4-11 is matched to be contracted and supported by the elastic force of the spring 4-14, then the second air cylinder 4-10 is started to support the rotating wheel 4-13 at the lower end on the screw rod, then the roller 5-5 is started to rotate and the roller 5-5 is controlled to contact the screw rod to roll the thread by the moving air cylinder 5-3, after the thread rolling is completed, the roller is separated to the two sides, then the driving motor 4-7 is started to control the turnover frame 4-9 to rotate downward, after the turnover frame 4-9 is rotated to a certain inclination angle, the second air cylinder 4-10 is started to release the screw rod, the screw rod is dropped downward and can be taken out.

[0045] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gear type thread rolling machine for fastener production, characterized by, Comprising A rack (1) and a pair of rectangular openings (2), the rectangular openings (2) are opened on the surface of the rack (1); A thread rolling assembly (5) is arranged in the rectangular opening (2); A through opening (3) and a feeding assembly (4) are arranged in the rack (1) and the through opening (3); The feeding assembly (4) comprises a support (4-1) fixed on the surface of the rack (1), and a circular tube (4-2) is fixedly connected to the side end surface of the support (4-1), and through holes (4-3) are formed in the upper and lower end surfaces of the circular tube (4-2).

2. The gear type thread rolling machine for fastener production according to claim 1, characterized by, A pair of telescopic air cylinders (4-4) are arranged on the support (4-1), and a conveying wheel (4-5) is arranged at the output end of the telescopic air cylinder (4-4), the conveying wheel (4-5) is driven to rotate by a motor, and an inner cavity (4-6) is formed in the rack (1).

3. The gear type thread rolling machine for fastener production according to claim 2, characterized in that, A driving motor (4-7) is arranged in the inner cavity (4-6), a rotating shaft (4-8) is arranged in the through opening (3), the rotating shaft (4-8) is connected to the output end of the driving motor (4-7), and a turnover frame (4-9) is arranged on the rotating shaft (4-8).

4. The gear type thread rolling machine for fastener production according to claim 3, characterized in that, A second air cylinder (4-10) is arranged at the inner bottom of the turnover frame (4-9), a pair of movable frames (4-11) are movably sleeved and connected in the turnover frame (4-9), a fixed frame (4-12) is arranged at the output end of the second air cylinder (4-10), rotating wheels (4-13) are arranged on the movable frames (4-11) and the fixed frame (4-12), and springs (4-14) are sleeved and connected on the movable frames (4-11).

5. The gear type thread rolling machine for fastener production according to claim 1, characterized in that, The thread rolling assembly (5) comprises a pair of circular rods (5-1) fixed at both ends in the rectangular opening (2), a moving base (5-2) is slidably sleeved and connected on the circular rod (5-1), and a moving air cylinder (5-3) is arranged on the inner side of the rectangular opening (2).

6. The gear type thread rolling machine for fastener production according to claim 5, characterized by The output end of the moving air cylinder (5-3) is connected to the moving base (5-2), a stand (5-4) is arranged on the moving base (5-2), a roller (5-5) is rotatably connected in the stand (5-4), and a driving wheel (5-6) is arranged on the side surface of the stand (5-4).

7. The gear-type thread rolling machine for fastener production according to claim 6, characterized by The driving wheel (5-6) is controlled to rotate by a motor, a driven wheel (5-7) is arranged at one end of the roller (5-5), and the driving wheel (5-6) and the driven wheel (5-7) are connected by a toothed belt transmission.

8. The gear type thread rolling machine for fastener production according to claim 1, characterized by Further comprising a protection assembly (6) arranged on both sides of the rack (1), the protection assembly (6) comprises a pair of slides (6-1) respectively arranged on both sides of the rack (1).

9. The gear-type thread rolling machine for fastener production according to claim 8, characterized by A sliding rod (6-2) is slidably connected in the slide (6-1), a protective cover (6-3) is arranged at one end of the sliding rod (6-2), the protective cover (6-3) is located at the top of the roller (5-5), and the protective cover (6-3) has an overall L-shaped structure.

10. The gear type thread rolling machine for fastener production according to claim 4, characterized by A pair of said movable frames (4-11) and said fixed frame (4-12) are in a triangular point distribution.

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