CN210754946U

CN210754946U - Guiding device of bolt cold header

Info

Publication number: CN210754946U
Application number: CN201921099785.7U
Authority: CN
Inventors: 董立明; 檀井科
Original assignee: Handan Haosheng Fastener Co ltd
Current assignee: Handan Haosheng Fastener Co ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-06-16
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to the technical field of bolt guide auxiliary devices, in particular to a bolt cold header guide device, the using height of a conveying component of which can be conveniently adjusted according to the blanking height of the discharging part of cold headers with different models, thereby improving the practicability and enhancing the using reliability; comprises a bottom plate and a conveying component; still including placing the board, a pedestal, including a motor, an end cap, a controller, and a cover plate, the transmission shaft, drive the post and drive the piece, transmission shaft one end fixed connection is at the motor front side output, the transmission shaft other end with drive post one end rotatable coupling, drive the post other end and drive a rotatable coupling, it installs at placing board bottom middle part to drive the piece, still include two sets of bradyseism boards, two sets of bradyseism springs and two sets of bradyseism pieces, place both sides and place board rear side wall left and right sides and all be provided with the fixed block before the board, and vertically all be provided with first spout on four fixed blocks of group, four first spout inside walls of group all can be rotated and be fixed with first.

Description

Guiding device of bolt cold header

Technical Field

The utility model relates to a bolt direction auxiliary device's technical field especially relates to a bolt cold heading machine guider.

Background

As is well known, a guiding device of a bolt cold header is an auxiliary device which is used for directionally conveying produced bolt finished products in the production and processing process of the bolt cold header so as to enable the produced bolt finished products to better leave a factory, and is widely used in the field of bolt guiding; the existing guide device of the bolt cold header comprises a bottom plate and a transmission assembly, wherein the transmission assembly is arranged at the top end of the bottom plate; when the existing guide device of the bolt cold header is used, the guide device is integrally arranged on a plane, the input end of the conveying assembly is positioned under the discharge position of the bolt cold header, a bolt slides down from the discharge position of the cold header to the input end of the conveying assembly and conveys the bolt, the conveying assembly is a common electric device in the market, when the guide device is bought for use, the guide device is connected with an external drive according to a purchased instruction and is electrically connected, and the connecting wire can be used as long as the reasonable wiring of work can be carried out, so that the description is omitted; the existing guide device of the bolt cold header is found in use, the conveying assembly is highly fixed, the discharging height of the discharging position of the cold header of different models cannot be conveniently adjusted, the interval is too large and is easy to break, and the interval is too small and is not beneficial to installation, so that the practicability is poor and the use reliability is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a bolt cold heading machine guider that its conveying subassembly used the unloading height that can conveniently be according to the cold heading machine ejection of compact department of different models to adjust to improve its practicality and strengthen the use reliability.

The utility model discloses a guiding device of a bolt cold header, which comprises a bottom plate and a conveying component; the shock absorber further comprises two groups of shock absorption plates, two groups of shock absorption springs and two groups of shock absorption blocks, wherein the motors are clamped between the two groups of shock absorption blocks, fixed blocks are arranged on the left side and the right side of the front side wall of the placing plate and the left side and the right side of the rear side wall of the placing plate, and first sliding chutes are longitudinally arranged on the four groups of fixed blocks, the four groups of first sliding groove inner side walls can be rotatably fixed with first ball groups, the conveying device further comprises four groups of supports, the top ends of the four groups of supports penetrate through the four groups of first ball groups respectively and stretch out to the upper parts of the four groups of first sliding grooves respectively, the bottom ends of the four groups of supports are installed on the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate respectively, and the conveying assembly is installed on the top end of the placing plate.

The utility model discloses a bolt cold heading machine guider still includes the connecting plate, the connecting block and cleans the piece, the connecting plate is installed and is being placed the board top, clean the piece and install on the connecting block top, still include cover spring group and scalable nest of tubes, cover spring group's bottom is connected with the connecting plate top, cover spring group's top is connected with the connecting block bottom, scalable nest of tubes bottom is connected with the connecting plate top, scalable nest of tubes top is connected with the connecting block bottom, cover spring group suit is in scalable nest of tubes outside, clean a top and the tight with conveying subassembly bottom drive face subsides.

The utility model discloses a bolt cold heading machine guider still places the case including placing the case, places the case and installs in the bottom plate front side, places incasement portion and is provided with and places the chamber, places incasement portion intercommunication and is provided with and gets and put the mouth, still includes push pedal, push rod and ejector pad, and the ejector pad is located places intracavity portion, and the push rod top is connected with the ejector pad bottom, and the push rod bottom is connected with the push pedal.

The utility model discloses a bolt cold heading machine guider still includes two sets of reset blocks, two sets of reset spring and two sets of reset blocks down, and two sets of reset blocks that go up are installed respectively and are being placed bottom of the case end left side and right side, and two sets of reset spring's top is connected with two sets of reset block bottoms on respectively, and two sets of reset spring's bottom is connected with two sets of reset block tops down respectively, and two sets of reset blocks down are all installed on the push pedal top.

The utility model discloses a bolt cold heading machine guider places the bottom half and vertically is provided with the second spout to at the rotatable second ball group that is fixed with of second spout inside wall, the push rod bottom passes second ball group and stretches out to place the case below.

The utility model discloses a bolt cold heading machine guider still includes the bracing piece on four groups, four group's supporting spring, four group's lower extreme poles and four group's universal wheels, and four group's last bracing pieces are installed respectively in bottom plate bottom left front side, right front side, left rear side and right rear side, and four group's supporting spring's one end is connected with four group's last bracing pieces respectively, and four group's supporting spring's the other end is connected with four group's lower extreme poles respectively, and four group's universal wheels are rotatable the below of installing four group's lower extreme poles respectively.

The utility model discloses a bolt cold heading machine guider still includes four group's mounts, and four group's mounts are the suit respectively at four group's lower limb lateral walls, and four group's mount tops are connected with bottom plate bottom left front side, right front side, left rear side and right rear side respectively.

The utility model discloses a bolt cold heading machine guider still includes four group's lead screws, four group's screw rings and four group's weight, and four group's screw rings are installed respectively at bottom plate left side the place ahead and rear and bottom plate right side the place ahead and rear, and the bottom of four group's lead screws is spiral shell dress to four group's screw ring tops inside respectively and spiral shell go out respectively to four group's screw ring below and four group's weight are connected, and four group's lead screw tops all are provided with hand twist ear.

Compared with the prior art, the beneficial effects of the utility model are that: it can drive transmission shaft 6 through motor 5 and rotate, make 6 stimulations of transmission shaft drive 8 on the post 7 and carry out longitudinal movement, thereby the messenger places board 3 and can carry out longitudinal movement, conveying assembly 2 use height can conveniently be adjusted according to the unloading height of the cold heading machine ejection of compact department of different models, thereby improve its practicality and reinforcing use reliability, motor 5 is the common electrical part in market, only need to connect according to the instruction book electricity of buying back together when using and can use, so no longer describe here, two sets of bradyseism springs drive two sets of bradyseism pieces 10 and rock the work of motor 5 and extrude the bradyseism, the high practicality, support 12 cooperates the sliding hole to slide conveniently to placing board 3 spacing, make things convenient for its longitudinal movement only, improve the support reliability, first ball group 29 auxiliary stand 12 slides more smoothly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged partial view of portion C of FIG. 1;

in the drawings, the reference numbers: 1. a base plate; 2. a transfer assembly; 3. placing the plate; 4. a base; 5. a motor; 6. a drive shaft; 7. driving the column; 8. driving the block; 9. a cushioning plate; 10. a shock absorption block; 11. a fixed block; 12. a support; 13. a connecting plate; 14. connecting blocks; 15. a wiping block; 16. a spring set; 17. placing a box; 18. pushing the plate; 19. a push rod; 20. a push block; 21. a return spring; 22. a support spring; 23. a universal wheel; 24. a fixed mount; 25. a lead screw; 26. a thread ring; 27. a weighting block; 28. twisting ears by hands; 29. a first ball group; 30. a second ball group.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the guiding device of the bolt cold header of the present invention comprises a bottom plate 1 and a conveying assembly 2; the shock absorber further comprises a placing plate 3, a base 4, a motor 5, a transmission shaft 6, a driving post 7 and a driving block 8, wherein the base 4 is arranged at the top end of the bottom plate 1, the motor 5 is arranged at the top end of the base 4, one end of the transmission shaft 6 is fixedly connected to the output end of the front side of the motor 5, the other end of the transmission shaft 6 is rotatably connected with one end of the driving post 7, the other end of the driving post 7 is rotatably connected with the driving block 8, the driving block 8 is arranged at the middle part of the bottom end of the placing plate 3, the shock absorber further comprises two groups of shock absorbing plates 9, two groups of shock absorbing springs and two groups of shock absorbing blocks 10, the bottom ends of the two groups of shock absorbing plates 9 are respectively connected with the left side and the right side of the top end of the bottom plate 1, one ends of the two groups of shock absorbing springs are respectively connected with the inner sides of the two groups of shock absorbing plates 9, the four groups of fixed blocks 11 are longitudinally provided with first sliding chutes, the inner side walls of the four groups of first sliding chutes can be rotatably fixed with first ball groups 29, the four groups of brackets 12 are further included, the top ends of the four groups of brackets 12 respectively penetrate through the four groups of first ball groups 29 and respectively extend out of the four groups of first sliding chutes, the bottom ends of the four groups of brackets 12 are respectively arranged at the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate 1, and the conveying assembly 2 is arranged at the top end of the placing plate 3; it can drive transmission shaft 6 through motor 5 and rotate, make 6 stimulations of transmission shaft drive 8 on the post 7 and carry out longitudinal movement, thereby the messenger places board 3 and can carry out longitudinal movement, conveying assembly 2 use height can conveniently be adjusted according to the unloading height of the cold heading machine ejection of compact department of different models, thereby improve its practicality and reinforcing use reliability, motor 5 is the common electrical part in market, only need to connect according to the instruction book electricity of buying back together when using and can use, so no longer describe here, two sets of bradyseism springs drive two sets of bradyseism pieces 10 and rock the work of motor 5 and extrude the bradyseism, the high practicality, support 12 cooperates the sliding hole to slide conveniently to placing board 3 spacing, make things convenient for its longitudinal movement only, improve the support reliability, first ball group 29 auxiliary stand 12 slides more smoothly.

The utility model discloses a bolt cold heading machine guider still includes connecting plate 13, connecting block 14 and cleans piece 15, connecting plate 13 is installed and is placed 3 tops of board, clean piece 15 and install on 14 tops of connecting block, still include cover spring group 16 and scalable nest of tubes, 16 bottoms of cover spring group are connected with connecting plate 13 tops, 16 tops of cover spring group are connected with 14 bottoms of connecting block, scalable nest of tubes bottom is connected with connecting plate 13 tops, scalable nest of tubes top is connected with 14 bottoms of connecting block, 16 suits of cover spring group are in the scalable nest of tubes outside, clean 15 tops of piece and the tight with 2 bottom driving surfaces of conveying component of transmission face; it can be through wiping 15 tops of piece and 2 bottom driving face pastes tightly and makes when transfer set 2 conveys, changes to the driving face of bottom along with the transmission always, rubs with wiping piece 15 and cleans, makes things convenient for 2 driving faces of transfer set to clean the clearance, uses cleaner, and the piece 15 can upwards extrude to supplementary wiping of cover spring, cleans more powerfully, and supplementary cover spring is difficult for distortion when scalable pipe improves the support effect.

The utility model discloses a bolt cold heading machine guider still includes and places case 17, places case 17 and installs in bottom plate 1 front side, places the inside chamber that is provided with of case 17, places case 17 top intercommunication and is provided with and gets and put the mouth, still includes push pedal 18, push rod 19 and ejector pad 20, ejector pad 20 is located and places the intracavity, and push rod 19 top is connected with ejector pad 20 bottom, and push rod 19 bottom is connected with push pedal 18; it is when the bolt transmission, and the staff can artifically reject the macroscopic damage bolt, can unify the collection through placing case 17, when damaging the bolt and need collectively take out, can make it drive ejector pad 20 and upwards promote through manual promotion push pedal 18, conveniently drives taking out of damaging the bolt.

The utility model discloses a bolt cold heading machine guider still includes two sets of upper reset blocks, two sets of reset springs 21 and two sets of lower reset blocks, two sets of upper reset blocks are installed respectively on the left side and the right side of the bottom end of the placing box 17, the top ends of two sets of reset springs 21 are connected with the bottom ends of two sets of upper reset blocks respectively, the bottom ends of two sets of reset springs 21 are connected with the top ends of two sets of lower reset blocks respectively, and two sets of lower reset blocks are installed on the top end of the push plate 18; it can be through two sets of reset spring 21 conveniently with the bottom of ejector pad 20 with place intracavity bottom lateral wall contact, guaranteed to place the normal use of case 17.

The utility model discloses a bolt cold header guider, place the case 17 bottom and vertically be provided with the second spout to rotatable the being fixed with second ball group 30 in the second spout inside wall, 19 bottoms of push rods pass second ball group 30 and stretch out to place the case 17 below; it can assist the push rod 19 to slide more smoothly by the second ball group 30.

The utility model discloses a bolt cold heading machine guider still includes four group's upper strut bars, four group's supporting spring 22, four group's lower strut bars and four group's universal wheel 23, four group's upper strut bars are installed respectively in bottom plate 1 bottom left front side, right front side, left back side and right back side, four group's supporting spring 22's one end is connected with four group's upper strut bars respectively, four group's supporting spring 22's the other end is connected with four group's lower strut bars respectively, four group's universal wheel 23 rotatable installation respectively are in four group's lower strut bars's below; the whole can be conveniently moved by four groups of universal wheels 23, and when the driving surface is not flat enough, the buffer can be realized by four groups of supporting springs 22, so that the whole can be maintained in a horizontal state, and the reliability is improved.

The guiding device of the bolt cold header of the utility model also comprises four groups of fixing frames 24, wherein the four groups of fixing frames 24 are respectively sleeved on the outer side walls of the four groups of lower supporting rods, and the top ends of the four groups of fixing frames 24 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate 1; it can maintain the stability of four groups of lower support rods through four groups of fixing frames 24, and improve the stability of the four groups of lower support rods.

The guide device of the bolt cold header of the utility model also comprises four groups of lead screws 25, four groups of thread rings 26 and four groups of weighting blocks 27, wherein the four groups of thread rings 26 are respectively arranged in front and at the rear of the left side of the bottom plate 1 and in front and at the rear of the right side of the bottom plate 1, the bottom ends of the four groups of lead screws 25 are respectively screwed into the top ends of the four groups of thread rings 26 and are respectively screwed out to the lower parts of the four groups of thread rings 26 to be connected with the four groups of weighting blocks 27, and the top ends of the four groups of lead screws; it can be through four group's lead screws 25, four group's screw coils 26 and four group's weighting blocks 27's cooperation convenience stable, when whole needs are stable, manual downwardly rotating four group's lead screws 25, make four group's weighting blocks 27 bottoms be located four universal wheel 23 below of group, thereby convenient stable, and when whole needs remove, manual upwards rotating four group's lead screws 25, make four group's weighting blocks 27 bottoms be located four universal wheel 23 tops of group, thereby make things convenient for the bulk movement, and is more practical, four group's hand twist ears 28 conveniently carry out decurrent spacing to lead screw 25.

The utility model discloses a bolt cold heading machine guider, it is at work, can drive transmission shaft 6 through motor 5 and rotate, make transmission shaft 6 stimulate drive block 8 on the drive post 7 and carry out longitudinal movement, thereby make place board 3 can carry out longitudinal movement, conveying component 2 use height can conveniently be adjusted according to the unloading height of the cold heading machine ejection of compact department of different models, thereby improve its practicality and strengthen the reliability of use, motor 5 is the common electrical part in the market, only need to be connected according to the instruction book electricity that purchases back together when buying back to use and can use, therefore no longer give details here, two sets of bradyseism springs drive two sets of bradyseism blocks 10 and extrude the bradyseism to the work shake of motor 5, improve the practicality, support 12 cooperates with the sliding hole and slides and conveniently to place board 3 spacing, make things convenient for it only longitudinal movement, improve the support reliability, the first ball group 29 assists the bracket 12 to slide more smoothly; the top end of the wiping block 15 can be tightly attached to the transmission surface at the bottom of the transmission assembly 2, so that when the transmission assembly 2 transmits, the transmission surface which rotates to the bottom end is in transmission with the wiping block 15 all the time, friction wiping is performed on the transmission surface of the transmission assembly 2, the transmission surface is convenient to wipe and clean, the use is cleaner, the sleeve spring auxiliary wiping block 15 can extrude upwards, wiping is more powerful, and the telescopic pipe improves the supporting effect and meanwhile assists the sleeve spring to be not easy to distort and deform; when the bolts are conveyed, workers can manually remove damaged bolts visible to the naked eyes and can collect the damaged bolts in a unified manner through the placing box 17, and when the damaged bolts need to be taken out collectively, the pushing plate 18 can be pushed manually to drive the pushing block 20 to push upwards, so that the damaged bolts can be conveniently taken out; the bottom end of the push block 20 can be conveniently contacted with the side wall of the bottom in the placing cavity through two groups of reset springs 21, so that the normal use of the placing box 17 is ensured; the push rod 19 can be assisted by the second ball group 30 to slide more smoothly; the universal wheels 23 can be used for facilitating the integral movement, and when the driving surface is not flat enough, the four support springs 22 can be used for buffering, so that the integral horizontal state can be maintained, and the reliability is improved; the stability of the four groups of lower supporting rods can be maintained through the four groups of fixing frames 24, so that the stability of the four groups of lower supporting rods is improved; can be through four group's lead screw 25, four group's screw coils 26 and four group's weighting blocks 27's cooperation is convenient stable, when whole needs are stable, manual downwards rotate four group's lead screw 25, make four group's weighting block 27 bottoms be located four universal wheel 23 below of group, thereby convenient stable, and when whole needs remove, manual upwards rotates four group's lead screw 25, make four group's weighting block 27 bottoms be located four universal wheel 23 tops of group, thereby make things convenient for the bulk movement, and is more practical, four group's hand twist ears 28 conveniently carry out decurrent spacing to lead screw 25.

The utility model discloses a bolt cold heading machine guider, above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical system, wherein can slide/rotate fixedly promptly for slide/not dropping under the rotation state, seal the intercommunication and seal when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from the area technique, as long as can reach all can implementing of its beneficial effect, above-mentioned all with the electric module and be the common electrical part in market with electrical apparatus, buy when returning to the use only need connect according to the mutual electricity of the instruction manual of buying back together and can use, and control module is its common from taking the module, the event is all no longer repeated here.

The bolt cold header guiding device of the utility model, under the condition of not being described reversely, the orientation words contained in the terms of 'up-down, left-right, front-back, inside-outside and vertical and horizontal' only represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A bolt cold header guiding device comprises a bottom plate (1) and a conveying assembly (2); it is characterized by also comprising a placing plate (3), a base (4), a motor (5), a transmission shaft (6), a driving post (7) and a driving block (8), wherein the base (4) is arranged at the top end of the bottom plate (1), the motor (5) is arranged at the top end of the base (4), one end of the transmission shaft (6) is fixedly connected with the output end of the front side of the motor (5), the other end of the transmission shaft (6) is rotatably connected with one end of the driving post (7), the other end of the driving post (7) is rotatably connected with the driving block (8), the driving block (8) is arranged in the middle of the bottom end of the placing plate (3), the shock absorber further comprises two groups of shock absorbing plates (9), two groups of shock absorbing springs and two groups of shock absorbing blocks (10), the bottom ends of the two groups of shock absorbing plates (9) are respectively connected with the left side and the right side of the top end of the bottom plate (1), one ends of the two groups of the shock, motor (5) clamp is between two sets of bradyseism piece (10), place board (3) front side wall left and right sides and place board (3) rear side wall left and right sides and all be provided with fixed block (11), and vertically all be provided with first spout on four group's fixed blocks (11), four groups of first spout inside walls all can rotate and be fixed with first ball group (29), still include four groups of supports (12), the top of four groups of supports (12) passes four groups of first ball group (29) respectively and stretches out to four groups of first spout tops respectively, the bottom of four groups of supports (12) is installed respectively at bottom plate (1) top left front side, right front side, left rear side and right rear side, conveying assembly (2) are installed and are being placed board (3) top.

2. The guiding device of the bolt cold header as claimed in claim 1, further comprising a connecting plate (13), a connecting block (14) and a wiping block (15), wherein the connecting plate (13) is installed on the top end of the placing plate (3), the wiping block (15) is installed on the top end of the connecting block (14), further comprising a spring set (16) and a telescopic tube set, the bottom end of the spring set (16) is connected with the top end of the connecting plate (13), the top end of the spring set (16) is connected with the bottom end of the connecting block (14), the bottom end of the telescopic tube set is connected with the top end of the connecting plate (13), the top end of the telescopic tube set is connected with the bottom end of the connecting block (14), the spring set (16) is sleeved on the outer side of the telescopic tube set, and the top end of the wiping block.

3. The guiding device of the bolt cold header as claimed in claim 2, further comprising a placing box (17), wherein the placing box (17) is installed on the front side of the bottom plate (1), a placing cavity is arranged inside the placing box (17), a taking and placing opening is arranged at the top end of the placing box (17) in a communicating manner, the guiding device further comprises a push plate (18), a push rod (19) and a push block (20), the push block (20) is located inside the placing cavity, the top end of the push rod (19) is connected with the bottom end of the push block (20), and the bottom end of the push rod (19) is connected with the push plate (18).

4. The guiding device of the bolt cold header as claimed in claim 3, further comprising two sets of upper reset blocks, two sets of reset springs (21) and two sets of lower reset blocks, wherein the two sets of upper reset blocks are respectively installed at the left side and the right side of the bottom end of the placing box (17), the top ends of the two sets of reset springs (21) are respectively connected with the bottom ends of the two sets of upper reset blocks, the bottom ends of the two sets of reset springs (21) are respectively connected with the top ends of the two sets of lower reset blocks, and the two sets of lower reset blocks are both installed at the top end of the push plate (18).

5. The guide apparatus of the bolt cold header as claimed in claim 4, wherein the bottom end of the placing box (17) is provided with a second slide groove longitudinally, and a second ball group (30) is rotatably fixed on the inner side wall of the second slide groove, and the bottom end of the push rod (19) passes through the second ball group (30) and protrudes to the lower side of the placing box (17).

6. The guide device of a bolt cold header as claimed in claim 5, further comprising four sets of upper support rods, four sets of support springs (22), four sets of lower support rods and four sets of universal wheels (23), wherein the four sets of upper support rods are respectively installed at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate (1), one ends of the four sets of support springs (22) are respectively connected with the four sets of upper support rods, the other ends of the four sets of support springs (22) are respectively connected with the four sets of lower support rods, and the four sets of universal wheels (23) are respectively rotatably installed below the four sets of lower support rods.

7. The guiding device of the bolt cold header as claimed in claim 6, further comprising four sets of fixing frames (24), wherein the four sets of fixing frames (24) are respectively sleeved on the outer side walls of the four sets of lower support bars, and the top ends of the four sets of fixing frames (24) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate (1).

8. The guide device of the bolt cold header as claimed in claim 7, further comprising four groups of lead screws (25), four groups of thread rings (26) and four groups of weight blocks (27), wherein the four groups of thread rings (26) are respectively installed in front of and behind the left side of the bottom plate (1) and in front of and behind the right side of the bottom plate (1), the bottom ends of the four groups of lead screws (25) are respectively screwed into the top ends of the four groups of thread rings (26) and are respectively screwed out to the lower sides of the four groups of thread rings (26) to be connected with the four groups of weight blocks (27), and the top ends of the four groups of lead screws (25) are respectively provided with hand twisting lugs (28).