CN112045144A - A precise cutting and dividing mechanism for the main drive of a multi-station cold heading machine - Google Patents

Abstract

The invention belongs to the technical field of cold headers, in particular to a main transmission accurate cutting and splitting mechanism of a multi-station cold header, aiming at the problems that the existing cutting device of the cold header has poor transmission effect, slow cutting speed, complex structure, complex operation, short service life, uneven cutting, low efficiency, and large consumption of manpower and material resources due to the fact that the existing cutting device of the cold header needs to use manpower and needs to consume a large amount of manpower and material resources during feeding and discharging, the invention provides the following scheme, which comprises a fixed rectangular frame and materials, wherein the inner wall of the bottom of the fixed rectangular frame is fixedly connected with a fixed plate and a conveying assembly for conveying the materials, in the invention, the materials are conveyed through the conveying assembly, the clamping function of the materials is completed through a driving assembly and the clamping assembly, finally the cutting function of the materials is realized through a lifting assembly and a cutting assembly, the cutting efficiency is high and accurate, and manual intervention is not needed, saves a large amount of manpower and material resources, and has simple structure and convenient operation.

Description

A multi-station cold heading machine main drive precise cutting and dividing mechanism

technical field

The invention relates to the technical field of cold heading machines, in particular to a main drive precision cutting and dividing mechanism of a multi-station cold heading machine.

Background technique

The cold heading machine adopts the cold heading method to automatically upset the disc element or bar material, after tapping various hexagonal nuts, that is, the standard hexagonal nut is made lightly. Pressing, punching, and several processes are completed in one machine. The cold heading stations are arranged horizontally, with the characteristics of accurate positioning, stable operation, and convenient maintenance. It is suitable for manufacturers to produce nuts in batches. The overall structure of the existing cold heading machine can be divided into five major parts: the main transmission mechanism, the feeding mechanism, the cutting mechanism, the cold heading forming mechanism and the pushing and blanking mechanism.

Among them, the cutting mechanism is one of the indispensable devices of the cold heading machine. The quality of the cutting mechanism directly affects the shape of the product. The cutting device of the cold heading machine on the market has poor transmission effect, slow cutting speed, complex structure and complicated operation. In addition, the service life is short, and the cutting is uneven and inefficient, and labor is required for feeding and discharging, which requires a lot of manpower and material resources. Therefore, we propose a multi-station cold heading machine main drive for precise cutting. The splitting mechanism is used to solve the problems mentioned above.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a precise cutting and dividing mechanism for the main drive of a multi-station cold heading machine in order to solve the shortcomings existing in the prior art.

In order to achieve the above object, the present invention adopts the following technical solutions:

A main drive precise material cutting and dividing mechanism of a multi-station cold heading machine, comprising a fixed rectangular frame and materials, the bottom inner wall of the fixed rectangular frame is fixedly connected with a fixed plate and a transmission component for conveying materials, the fixed rectangular frame The bottom inner wall of the fixed rectangular frame is slidably connected with clamping components for clamping materials, the inner walls on both sides of the fixed rectangular frame are fixedly connected with driving components for driving the clamping components, and the top inner wall of the fixed rectangular frame is fixedly connected with lifting components. A lifting assembly, the bottom of the lifting assembly is fixedly connected with a cutting assembly for cutting materials.

Preferably, the conveying assembly includes four support columns, the two support columns located on the same side are rotatably connected to one side close to each other with the same rotating roller, and a first drive motor is fixedly installed on the top of one side of the support column, The output shaft of the first drive motor runs through the support column and is fixedly connected with one end of the rotating roller. Two parallel crawlers are connected to the outer walls of the two rotating rollers, and two crawlers are arranged at equal intervals for a plurality of materials. top of the track.

Preferably, the clamping assembly includes two symmetrically arranged sliding rails that are fixedly connected to the inner wall of the bottom of the rectangular frame, the top of the sliding rails is slidably connected with a matching sliding block, and the top of the sliding block is fixedly connected with a A first support rod, the top of the first support rod is fixedly connected with a clamping box.

Preferably, the drive assembly includes a first forward and reverse rotation motor fixedly connected to one side of the fixed plate, the output shaft of the first forward and reverse rotation motor penetrates through the fixed plate, and the fixed rectangular frame is away from the first forward and reverse rotation motor. Bearings are fixedly connected to the inner wall of one side of the motor and the output shaft of the first forward and reverse rotation motor. The opposite sides of the two bearings that are close to each other are respectively connected with a reverse threaded rod and a positive threaded rod. The reverse threaded rod and the positive threaded rod are mutually connected. The same connecting block is fixedly connected to one side, the outer walls of the reverse threaded rod and the positive threaded rod are threadedly connected with a rotating ring, and both sides of the rotating ring are rotatably connected with connecting rods, and the connecting rods are connected to the clamping box. turn the connection on one side.

Preferably, the lifting assembly includes a fixed box fixedly connected to the top inner wall of the fixed rectangular frame, one side inner wall of the fixed box is slidably connected with a rack, and the bottom inner wall of the fixed box is fixedly connected with two symmetrically arranged A fixed base, two sides of the fixed bases that are close to each other are rotatably connected to the same second rotating shaft, the outer wall of the second rotating shaft is fixedly sleeved with a gear and a second pulley, and the fixed plate and a fixed rectangular frame are connected. The same support base is fixedly connected between the side and inner walls, the top of the support base is fixedly connected with a second forward and reverse rotation motor, and the output shaft of the second forward and reverse rotation motor is fixedly connected with a first pulley, the first The pulley and the outer wall of the second pulley are sleeved with the same belt, the inside of the fixing plate is provided with a through hole, and the belt passes through the through hole.

Preferably, the cutting assembly includes a mounting plate fixedly connected to the bottom of the rack, one side of the mounting plate is fixedly connected with a second drive motor, and the output shaft of the second drive motor penetrates the mounting plate and is fixedly connected with the first drive motor. A rotating shaft, the outer wall of the first rotating shaft is fixedly sleeved with a plurality of cutting knives.

Preferably, a second support rod is fixedly connected to the bottom inner wall of the fixed rectangular frame, and a material receiving box is fixedly connected to the top of the second supporting rod, and the material receiving box is located directly below the cutting assembly.

Preferably, installation grooves are provided on the sides of the two clamping boxes close to each other, a spring is fixedly connected to the inner wall of the side of the installation grooves away from the opening, and a clamping block is fixedly connected to the side of the spring close to the opening , the bottom of the clamping block is fixedly connected with the limiting block.

Compared with the prior art, the beneficial effect of the present invention is: when in use, the first drive motor is activated, and the first drive motor finally drives the material to move laterally, so as to realize the function of conveying the material, and when the material moves between the two clamping boxes. At the same time, the first forward and reverse rotation motor is started, and the first forward and reverse rotation motor finally drives the two clamping boxes to approach each other, and the two clamping blocks are in contact with the two sides of the material until the material is clamped to realize the clamping of the material. At this time, the second forward and reverse rotation motor and the second drive motor are activated, and the second forward and reverse rotation motor finally drives the rack to perform vertical lifting motion, and the rack drives the cutting assembly to perform vertical lifting motion, The second drive motor finally drives the cutter to rotate to realize the cutting function of the material. After the material is cut, it will fall into the receiving box for easy collection.

In the present invention, the material is conveyed by the conveying component, the clamping function of the material is completed by the driving component and the clamping component, and finally the cutting function of the material is realized by the lifting component and the cutting component, and the cutting efficiency is high and accurate, and no manual intervention is required. , save a lot of manpower and material resources, simple structure, easy to operate.

Description of drawings

Fig. 1 is the front view structure schematic diagram of a kind of multi-station cold heading machine main drive precise cutting and dividing mechanism proposed by the present invention;

Fig. 2 is the front view structure schematic diagram of the drive assembly and the transmission assembly in Fig. 1;

Fig. 3 is the top view structure schematic diagram of Fig. 2;

Fig. 4 is a side sectional structural schematic diagram of the clamping assembly in Fig. 1;

Fig. 5 is the three-dimensional structure schematic diagram of the conveying assembly in Fig. 1;

Fig. 6 is the enlarged view of A part in Fig. 1;

Fig. 7 is the side view structure schematic diagram of the cutting assembly in Fig. 1;

FIG. 8 is a schematic side view of the structure of the second shaft, the second pulley and the gear in FIG. 1 .

In the figure: 1. Fixed rectangular frame; 2. Slide rail; 3. Slider; 4. The first support rod; 5. Positive threaded rod; 6. Fixed plate; 7. The first forward and reverse motor; ;9, the second forward and reverse motor; 10, the first pulley; 11, the through hole; 12, the belt; 13, the cutter; 14, the clamping box; ;18, bearing; 19, first drive motor; 20, material; 21, receiving box; 22, connecting block; 23, rotating ring; 24, connecting rod; 25, spring; 26, clamping block; 27, limit Position block; 28, installation slot; 29, second support rod; 30, rotating roller; 31, fixed box; 32, rack; 33, fixed base; 34, second pulley; 35, gear; 36, installation plate; 37, the second drive motor; 38, the first shaft; 39, the second shaft.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

Example 1

1-8, a multi-station cold heading machine main drive precise material cutting and dividing mechanism, including a fixed rectangular frame 1 and a material 20, the bottom inner wall of the fixed rectangular frame 1 is fixedly connected with a fixed plate 6 and used for conveying the material 20 The inner wall of the bottom of the fixed rectangular frame 1 is slidably connected with the clamping components for clamping the material 20, the inner walls of both sides of the fixed rectangular frame 1 are fixedly connected with the driving components for driving the clamping components, and the top of the fixed rectangular frame 1 is fixedly connected with the driving components for driving the clamping components. The inner wall is fixedly connected with a lifting component for lifting, and the bottom of the lifting component is fixedly connected with a cutting component for cutting the material 20 .

In the present invention, the conveying assembly includes four support columns 16 , the two support columns 16 located on the same side are rotatably connected to the side close to each other with the same rotating roller 30 , and a first drive motor is fixedly installed on the top of one side of the support column 16 . 19. The output shaft of the first drive motor 19 penetrates the support column 16 and is fixedly connected to one end of the rotating roller 30. Two parallel crawlers 15 are connected to the outer walls of the two rotating rollers 30, and a plurality of materials 20 are equally spaced. Set the top of the two tracks 15.

In the present invention, the clamping assembly includes two symmetrically arranged sliding rails 2 that are fixedly connected to the inner wall of the bottom of the rectangular frame 1. The top of the sliding rails 2 is slidably connected with a corresponding sliding block 3, and the top of the sliding block 3 is fixedly connected with a The top of the first support rod 4 is fixedly connected with a clamping box 14 .

In the present invention, the drive assembly includes a first forward and reverse rotation motor 7 fixedly connected to one side of the fixed plate 6, the output shaft of the first forward and reverse rotation motor 7 penetrates through the fixed plate 6, and the fixed rectangular frame 1 is away from the first forward and reverse rotation motor. Bearings 18 are fixedly connected to the inner wall of one side of the 7 and the output shaft of the first forward and reverse motor 7, and the opposite sides of the two bearings 18 that are close to each other are respectively connected to the reverse threaded rod 17 and the positive threaded rod 5. The reverse threaded rod 17 and the positive threaded rod The threaded rods 5 are fixedly connected with the same connecting block 22 on one side close to each other. The outer walls of the reverse threaded rod 17 and the positive threaded rod 5 are threadedly connected with a rotating ring 23, and both sides of the rotating ring 23 are rotatably connected with connecting rods 24. The connecting rods 24 is rotatably connected to one side of the clamping box 14 .

In the present invention, the lifting assembly includes a fixed box 31 fixedly connected to the top inner wall of the fixed rectangular frame 1, one side inner wall of the fixed box 31 is slidably connected with a rack 32, and the bottom inner wall of the fixed box 31 is fixedly connected with two symmetrically arranged The fixed base 33 is rotatably connected to the side of the two fixed bases 33 which are close to each other with the same second rotating shaft 39 , the outer wall of the second rotating shaft 39 is fixedly sleeved with a gear 35 and a second pulley 34 , the fixed plate 6 and the fixed rectangular frame 1 The same support base 8 is fixedly connected between the inner walls on one side of the support base 8, the top of the support base 8 is fixedly connected with a second forward and reverse rotation motor 9, and the output shaft of the second forward and reverse rotation motor 9 is fixedly connected with a first pulley 10, The outer wall of the first pulley 10 and the second pulley 34 are sleeved with the same belt 12 , the interior of the fixing plate 6 is provided with a through hole 11 , and the belt 12 penetrates through the through hole 11 .

In the present invention, the cutting assembly includes a mounting plate 36 fixedly connected to the bottom of the rack 32, one side of the mounting plate 36 is fixedly connected with a second driving motor 37, and the output shaft of the second driving motor 37 penetrates the mounting plate 36 and is fixedly connected with a The first rotating shaft 38, the outer wall of the first rotating shaft 38 is fixedly sleeved with a plurality of cutting knives 13.

In the present invention, the bottom inner wall of the fixed rectangular frame 1 is fixedly connected with a second support rod 29, and the top of the second support rod 29 is fixedly connected with a material receiving box 21, which is located directly below the cutting assembly.

In the present invention, the two clamping boxes 14 are provided with mounting grooves 28 on the sides close to each other, the inner wall of the side of the mounting grooves 28 away from the opening is fixedly connected with the spring 25, and the side of the spring 25 close to the opening is fixedly connected with the clamping block 26. The bottom of the clamping block 26 is fixedly connected to the limiting block 27.

Working principle: when in use, start the first drive motor 19, the first drive motor 19 drives the rotating roller 30 to rotate, the rotating roller 30 drives the two crawler belts 15 to rotate, the crawler belt 15 drives the material 20 to move laterally, and when the material 20 moves to two When between the clamping boxes 14, start the first forward and reverse rotation motor 7, the first forward and reverse rotation motor 7 drives the forward threaded rod 5 and the reverse threaded rod 17 to rotate, and the forward threaded rod 5 and the reverse threaded rod 17 drive the two rotating rings 23 approach each other, the rotating ring 23 drives the connecting rod 24 to rotate, the connecting rod 24 drives the two clamping boxes 14 to approach each other, and the two clamping blocks 26 are in contact with both sides of the material 20 and compress the spring 25 until the material 20 is clamped. At this time, the second forward and reverse rotation motor 9 and the second drive motor 37 are activated, the second forward and reverse rotation motor 9 drives the belt 12 to rotate, the belt 12 drives the second pulley 34 to rotate, and the second pulley 34 drives the second shaft 39 to rotate, The second shaft 39 drives the gear 35 to rotate, the gear 35 drives the rack 32 to move vertically, the rack 32 drives the cutting assembly to move vertically, and the second drive motor 37 drives the first shaft 38 to rotate , the first rotating shaft 38 drives the cutter 13 to rotate, and after the material 20 is cut, it will fall into the receiving box 21 for easy collection.

However, as is well known to those skilled in the art, the working principles and wiring methods of the first forward-reverse motor 7, the second forward-reverse motor 9, the first drive motor 19 and the second drive motor 37 are commonplace, all of which are common. It belongs to conventional means or common knowledge, and will not be repeated here, and those skilled in the art can make arbitrary selections according to their needs or convenience.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides an accurate blank cutting mechanism of multistation cold heading machine main drive, includes fixed rectangular frame (1) and material (20), its characterized in that, the bottom inner wall fixedly connected with fixed plate (6) of fixed rectangular frame (1) and the conveying subassembly that is used for conveying material (20), the bottom inner wall sliding connection of fixed rectangular frame (1) has the clamping unit who is used for pressing from both sides tight material (20), the both sides inner wall fixedly connected with of fixed rectangular frame (1) is used for driving clamping unit's drive assembly, the top inner wall fixedly connected with of fixed rectangular frame (1) is used for the lifting unit who goes up and down, lifting unit's bottom fixedly connected with is used for cutting assembly of cutting material (20).

2. The main transmission accurate cutting and separating mechanism of the multi-station cold header as claimed in claim 1, wherein the conveying assembly comprises four supporting columns (16), one side of two supporting columns (16) located on the same side is close to each other and is rotatably connected with the same rotating roller (30), a first driving motor (19) is fixedly installed at the top of one side of each supporting column (16), an output shaft of the first driving motor (19) penetrates through the supporting columns (16) and is fixedly connected with one end of the rotating roller (30), two crawler belts (15) arranged in parallel are conveyed and connected to the outer wall of the rotating roller (30), and the tops of the two crawler belts (15) are arranged at equal intervals on the plurality of materials (20).

3. The main transmission accurate cutting and separating mechanism of the multi-station cold header as claimed in claim 1, wherein the clamping assembly comprises two symmetrically arranged slide rails (2) fixedly connected with the bottom inner wall of the fixed rectangular frame (1), the top of each slide rail (2) is slidably connected with a sliding block (3) matched with the corresponding slide rail, the top of each sliding block (3) is fixedly connected with a first support rod (4), and the top of each first support rod (4) is fixedly connected with a clamping box (14).

4. The main transmission accurate cutting and dividing mechanism of the multi-station cold header as claimed in claim 1, wherein the driving assembly comprises a first forward and reverse rotation motor (7) fixedly connected to one side of a fixing plate (6), an output shaft of the first forward and reverse rotation motor (7) penetrates through the fixing plate (6), a bearing (18) is fixedly connected to an inner wall of one side of the fixing rectangular frame (1) far away from the first forward and reverse rotation motor (7) and an output shaft of the first forward and reverse rotation motor (7), one side of the two bearings (18) close to each other is respectively and rotatably connected with a reverse threaded rod (17) and a forward threaded rod (5), the other side of the reverse threaded rod (17) and the forward threaded rod (5) close to each other is fixedly connected with a same connecting block (22), and the outer walls of the reverse threaded rod (17) and the forward threaded rod (5) are both in threaded connection with a, the two sides of the rotating ring (23) are rotatably connected with connecting rods (24), and the connecting rods (24) are rotatably connected with one side of the clamping box (14).

5. The main transmission accurate cutting and separating mechanism of the multi-station cold header as claimed in claim 1, wherein the lifting assembly comprises a fixed box (31) fixedly connected to the inner wall of the top of the fixed rectangular frame (1), a rack (32) is slidably connected to the inner wall of one side of the fixed box (31), two symmetrically arranged fixed bases (33) are fixedly connected to the inner wall of the bottom of the fixed box (31), one side of the two fixed bases (33) close to each other is rotatably connected with a same second rotating shaft (39), the outer wall of the second rotating shaft (39) is fixedly sleeved with a gear (35) and a second belt pulley (34), the same supporting base (8) is fixedly connected between the fixed plate (6) and the inner wall of one side of the fixed rectangular frame (1), the top of the supporting base (8) is fixedly connected with a second forward and reverse rotation motor (9), the output shaft fixedly connected with first belt pulley (10) of second positive and negative motor (9), the outer wall cover of first belt pulley (10) and second belt pulley (34) is equipped with same belt (12), through-hole (11) have been seted up to the inside of fixed plate (6), belt (12) run through-hole (11).

6. The main transmission accurate cutting and splitting mechanism of the multi-station cold header as claimed in claim 1, wherein the cutting assembly comprises a mounting plate (36) fixedly connected to the bottom of the rack (32), a second driving motor (37) is fixedly connected to one side of the mounting plate (36), an output shaft of the second driving motor (37) penetrates through the mounting plate (36) and is fixedly connected with a first rotating shaft (38), and a plurality of cutters (13) are fixedly sleeved on the outer wall of the first rotating shaft (38).

7. The main transmission accurate cutting and separating mechanism of the multi-station cold header as claimed in claim 1, wherein a second support rod (29) is fixedly connected to the inner wall of the bottom of the fixed rectangular frame (1), a material receiving box (21) is fixedly connected to the top of the second support rod (29), and the material receiving box (21) is located under the cutting assembly.

8. The main transmission accurate cutting and separating mechanism of the multi-station cold header as claimed in claim 3, wherein two clamping boxes (14) are provided with a mounting groove (28) on one side close to each other, the mounting groove (28) is far away from a spring (25) fixedly connected to the inner wall of one side of the opening, the spring (25) is close to one side of the opening and fixedly connected with a clamping block (26), and the bottom of the clamping block (26) is fixedly connected with a limiting block (27).

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