CN215788111U

CN215788111U - Clamping device is used in nut production

Info

Publication number: CN215788111U
Application number: CN202122074453.7U
Authority: CN
Inventors: 张伯卿; 明平亮
Original assignee: Zhejiang Liangtai Standard Co ltd
Current assignee: Zhejiang Liangtai Standard Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-11
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to the field of nut production, in particular to a clamping device for nut production, which comprises a workbench, two supporting seats and two clamping mechanisms, wherein the supporting seats are fixedly arranged in the middle of the workbench, it includes the centre gripping subassembly, regulating assembly and translation actuating mechanism, the centre gripping subassembly includes supporting rod and grip slipper, two supporting rods are installed side by side to grip slipper one side, the supporting rod includes the supporting head, connecting rod and slider portion, the supporting head of slope is established to connecting rod one end, be 120 degrees angles between the terminal surface of two supporting heads, slider portion is established to the connecting rod other end, establish the spout on the grip slipper, the regulating assembly includes double-threaded rod and supporting shoe, a supporting shoe is respectively established at the grip slipper both ends, install the double-threaded rod on two supporting shoes, the double-threaded rod has positive thread section and anti-thread section and passes the connecting rod of two supporting rods respectively, rubber grip pad is established to the supporting head terminal surface. The utility model can conveniently adjust and clamp nuts with different sizes and has good clamping effect.

Description

Clamping device is used in nut production

Technical Field

The utility model relates to the technical field of nut production, in particular to a clamping device for nut production.

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal and other types according to different materials.

The nut needs to be polished and tapped in the nut production process, the nut needs to be clamped tightly in the polishing and tapping process, the specification and size of the nut are large and small in actual production, the existing clamping device for producing most nuts is inconvenient to adjust and clamp the nuts with different sizes, the clamping effect on the nut is not good enough, the tapping inclination can be caused, the polishing effect is poor, and great inconvenience is brought to actual production. The present invention improves upon the above-mentioned deficiencies.

Disclosure of Invention

In order to overcome the defects of the background art, the utility model provides the clamping device for nut production, which has reasonable structural design, can conveniently adjust and clamp nuts with different sizes, and has better clamping effect, thereby better facilitating the actual production work.

The technical scheme adopted by the utility model is as follows: a clamping device for nut production comprises a workbench, a supporting seat and a clamping mechanism, wherein the supporting seat is fixedly arranged in the middle of the workbench, the clamping mechanism is provided with two clamping mechanisms which are symmetrically arranged on two sides of the supporting seat, the clamping mechanism comprises a clamping component, an adjusting component and a translation driving mechanism for driving the clamping component to translate, the clamping component comprises clamping rods and a clamping seat, two clamping rods are arranged on one side of the clamping seat close to the middle side by side, each clamping rod comprises a clamping head, a connecting rod and a sliding block part, the clamping heads which are inclined towards the middle part are arranged at one end of the connecting rod, an angle of 120 degrees is formed between the end surfaces of the clamping heads on the two clamping rods, the sliding block part is arranged at the other end of the connecting rod, a sliding chute which is matched with the sliding block part is arranged on the clamping seat, and the adjusting component comprises a double-threaded rod and a supporting block, the two ends of the clamping seat are respectively fixedly provided with one supporting block, the two supporting blocks are provided with the double-threaded rod, the double-threaded rod is rotatably connected with the supporting blocks and provided with a positive thread section and a negative thread section, the positive thread section and the negative thread section of the double-threaded rod respectively penetrate through the two connecting rods of the clamping rod, and the end face of the clamping head is fixedly provided with a rubber clamping pad.

For the convenience of the clamping rod and the clamping seat are connected in a sliding mode better, the sliding groove in the clamping seat is arranged to be a dovetail sliding groove, and the sliding block portion in the clamping rod is arranged to be a dovetail sliding block and a dovetail sliding block matched with the dovetail sliding groove.

For the convenience of fixed mounting supporting shoe, the supporting shoe includes supporting part and fixed part, the supporting part install with the support bearing of double thread pole adaptation, the fixed part is dovetail shape and card and goes into dovetail chute, the fixed part with the grip slipper passes through connecting bolt fixed connection, be equipped with on the fixed part with the screw hole of connecting bolt adaptation is equipped with on the grip slipper with the through-hole of connecting bolt adaptation.

In order to realize clamping, the translation driving mechanism comprises a translation air cylinder and an air cylinder seat, the air cylinder seat is fixedly arranged on the workbench, the translation air cylinder is fixedly arranged on the air cylinder seat, and the clamping seat is fixedly arranged at the front end of an air cylinder shaft of the translation air cylinder.

Preferably, one end of the double threaded rod is provided with a hand twisting head.

Preferably, the hand twisting head is cylindrical, and anti-skid lines are arranged on the hand twisting head.

Preferably, two fixing platforms are fixedly arranged on two sides of the supporting seat respectively, the fixing platforms are fixed on the workbench through fixing bolts, through holes matched with the fixing bolts are formed in the middle of the fixing platforms, and threaded holes matched with the fixing bolts are formed in the workbench.

In conclusion, the beneficial effects of the utility model are as follows:

1. the end surfaces of the clamping heads on the two clamping rods form an angle of 120 degrees, so that the two clamping heads can better attach to a side plane of a tight nut, the end surfaces of the clamping heads are bonded with rubber clamping pads, the rubber pads can enable the clamping heads to better support the tight nut and can also play a role in protecting the nut, the two supporting blocks can be arranged to be convenient for supporting and installing a double-threaded rod, a sliding block part on the clamping rods is arranged in a sliding chute on the clamping seat, the clamping rods can well slide on the clamping seat, threaded holes matched with the double-threaded rod are formed in the connecting rods, the connecting rods of the two clamping rods on the same side are respectively positioned in a positive thread section and a negative thread section of the double-threaded rod, and the two clamping rods can be close to or far away from each other by rotating the double-threaded rod, so that the two clamping heads can be positioned at more proper positions to better adapt to the size of the nut, and the utility model can conveniently adjust and clamp nuts with different sizes, the clamping device also has a better clamping effect, so that the actual production work can be better facilitated;

2. the sliding block part on the clamping rod is just clamped into the dovetail sliding groove on the clamping seat, the sliding block part can well slide in the dovetail sliding groove in a reciprocating manner, the clamping rod can better slide on the clamping seat by adopting a dovetail structure, the mounting stability of the clamping rod is also favorably improved, and the clamping rod can be convenient for better clamping the fixing nut;

3. during assembly, the fixed part of the supporting block is just clamped into the dovetail sliding groove, the threaded hole in the fixed part is aligned to the through hole in the clamping seat, the connecting bolt penetrates through the through hole and then is screwed into the threaded hole to firmly fix the supporting block to one end of the clamping seat, one end of the double-threaded rod is arranged in the middle of the supporting bearing, the supporting bearing is arranged on the supporting part, the double-threaded rod can be well supported and installed, and the double-threaded rod can be conveniently rotated to adjust the distance between the two clamping rods.

The utility model is further described with reference to the following figures and detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic top view of the present invention;

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

FIG. 3 is a schematic cross-sectional view of the sliding connection between the clamping rod and the clamping base according to the present invention;

FIG. 4 is a schematic cross-sectional view of the support block and clamping base of the present invention;

the drawing marks comprise 1-a workbench, 2-a supporting seat, 3-a clamping rod, 4-a clamping seat, 5-a clamping head, 6-a connecting rod, 7-a sliding block part, 8-a double threaded rod, 9-a supporting block, 10-a regular thread part, 11-a reverse thread part, 12-a rubber clamping pad, 13-a dovetail sliding groove, 14-a supporting part, 15-a fixing part, 16-a supporting bearing, 17-a connecting bolt, 18-a translation air cylinder, 19-an air cylinder seat, 20-a hand-screw head, 21-an anti-skid thread, 22-a fixing table, 23-a fixing bolt and 24-a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 4, the clamping device for nut production disclosed in this embodiment comprises a workbench 1, a supporting seat 2 and a clamping mechanism, wherein the supporting seat 2 is fixedly arranged in the middle of the workbench 1, the clamping mechanism is provided with two clamping rods 3 which are symmetrically arranged at two sides of the supporting seat 2, the clamping mechanism comprises a clamping component, an adjusting component and a translation driving mechanism for driving the clamping component to translate, the clamping component comprises a clamping rod 3 and a clamping seat 4, two clamping rods 3 are arranged side by side on one side of the clamping seat 4 close to the middle part, the clamping rod 3 comprises a clamping head 5, a connecting rod 6 and a sliding block part 7, one end of the connecting rod 6 is provided with the clamping head 5 which inclines towards the middle part, an angle of 120 degrees is formed between the end surfaces of the clamping heads 5 on the two clamping rods 3, the other end of the connecting rod 6 is provided with the sliding block part 7, the clamping seat 4 is provided with a sliding groove which is matched with the sliding block part 7, the adjusting part comprises a double-threaded rod 8 and a supporting block 9, two ends of the clamping seat 4 are respectively fixedly provided with one supporting block 9, the double-threaded rod 8 and the double-threaded rod 8 are rotatably connected with the supporting block 9, the double-threaded rod 8 is provided with a positive thread section 10 and a negative thread section 11, the positive thread section 10 and the negative thread section 11 of the double-threaded rod 8 respectively penetrate through two connecting rods 6 of the clamping rods 3, and the end face of the clamping head 5 is fixedly provided with a rubber clamping pad 12. In the technical scheme, the end faces of the clamping heads 5 on the two clamping rods 3 form an angle of 120 degrees, so that the two clamping heads 5 can be better attached to a side plane of the clamping nut 24, the rubber clamping pad 12 is adhered to the end face of the clamping head 5, the clamping head 5 can better support the clamping nut 24 by arranging the rubber pad, the nut 24 can be protected, the two supporting blocks 9 can be used for conveniently supporting and installing the double-threaded rod 8, the sliding block part 7 on the clamping rod 3 is installed in the sliding chute on the clamping seat 4, the clamping rod 3 can well slide on the clamping seat 4, the connecting rod 6 is provided with a threaded hole matched with the double-threaded rod 8, the connecting rods 6 of the two clamping rods 3 on the same side are respectively positioned in the positive thread section 10 and the negative thread section 11 of the double-threaded rod 8, the two clamping rods 3 can be close to or far away from each other by rotating the double-threaded rod 8, so that the two clamping heads 5 can be positioned at more proper positions to better adapt to the size of the nut 24, when the nut 24 is produced and processed, the nut 24 to be processed is firstly placed in the middle of the supporting seat 2, the edge of the periphery of the nut 24 is approximately aligned to the middle of the two clamping heads 5 on one side, then the clamping seat 4 and the clamping rods 3 are driven to translate together through the translation driving mechanism and are close to the nut 24 to be processed, then the distance between the two clamping rods 3 is adjusted by rotating the double-threaded rod 8 according to the size of the nut 24, so that the two clamping heads 5 are in more proper positions to better adapt to the size of the nut 24, after the distances between the clamping heads 5 on the two sides of the supporting seat 2 are respectively adjusted, the clamping seats 4 and the clamping rods 3 on the two sides are respectively driven to translate through the translation driving mechanisms on the two sides until the four clamping heads 5 clamp the nut 24, and further production and processing can be conveniently carried out after the nut 24 is clamped, therefore, the technical scheme can be adopted to conveniently adjust and clamp the nuts 24 with different sizes, and the clamping device also has a better clamping effect, so that the actual production work can be better facilitated. The double-threaded rod 8 and the rubber clamping pad 12 belong to the prior art and are not described in detail herein.

In order to facilitate better sliding connection of the clamping rod 3 and the clamping seat 4, the sliding groove on the clamping seat 4 is set to be the dovetail sliding groove 13, and the sliding block part 7 on the clamping rod 3 is set to be the dovetail sliding block and the dovetail sliding block is matched with the dovetail sliding groove 13. In this embodiment, slider portion 7 on the supporting rod 3 just blocks dovetail groove 13 on the grip slipper 4 during the assembly, and slider portion 7 can be well in dovetail groove 13 reciprocating sliding, enables supporting rod 3 to slide on grip slipper 4 better through adopting the forked tail structure, also is favorable to promoting the installation stability of supporting rod 3, can be convenient for supporting rod 3 centre gripping fixation nut 24 better. The dovetail grooves 13 can be referred to the prior art and will not be further described here.

For the convenience of fixed mounting supporting shoe 9, supporting shoe 9 includes supporting part 14 and fixed part 15, supporting part 14 install with the support bearing 16 of 8 adaptations of double threaded rod, fixed part 15 is the dovetail and blocks into dovetail chute 13, fixed part 15 with holder 4 passes through connecting bolt 17 fixed connection, be equipped with on the fixed part 15 with the screw hole of connecting bolt 17 adaptation, be equipped with on the holder 4 with the through-hole of connecting bolt 17 adaptation. In this embodiment, the fixed portion 15 of supporting shoe 9 just blocks into dovetail groove 13 during the assembly, makes the through-hole on the fixed portion 15 aim at the through-hole on the grip slipper 4, passes connecting bolt 17 again and twists the screw hole after the through-hole and just can firmly fix the one end to the grip slipper 4 with supporting shoe 9, and the middle part at support bearing 16 is installed to the one end of double thread pole 8, can support the installation double thread pole 8 well through setting up support bearing 16 at supporting part 14, can be convenient for rotate the distance between two supporting rods 3 of double thread pole 8 adjustment. The support bearing 16 is known in the art and will not be described in detail herein.

In order to realize clamping, the translation driving mechanism comprises a translation cylinder 18 and a cylinder seat 19, the cylinder seat 19 is fixedly arranged on the workbench 1, the translation cylinder 18 is fixedly arranged on the cylinder seat 19, and the clamping seat 4 is fixedly arranged at the front end of a cylinder shaft of the translation cylinder 18. In this embodiment, the cylinder seat 19 is arranged to fixedly support the translation cylinder 18 to a proper height, and the translation cylinder 18 can drive the clamping seat 4 to translate through the cylinder shaft, so that the nut 24 can be clamped and fixed conveniently. The translation cylinder 18 is of the prior art and will not be described in detail herein.

Preferably, a manual screw head 20 is arranged at one end of the double threaded rod 8. In this embodiment, it has made things convenient for operating personnel to rotate double-threaded rod 8 through the hand is twisted to have set up hand screw head 20 through the one end at double-threaded rod 8, can adjust the distance between two holding heads 5 more conveniently, can be convenient for the fixed not nut 24 of equidimension of centre gripping better process.

Preferably, the handle head 20 is cylindrical, and the handle head 20 is provided with anti-slip threads 21. In the present embodiment, the handle head 20 is cylindrical and has anti-slip threads 21, so that it is better for the operator to handle the handle head 20 with his hand.

As a preferred technical scheme, two fixing platforms 22 are fixedly arranged on two sides of the supporting seat 2 respectively, the fixing platforms 22 are fixed on the workbench 1 through fixing bolts 23, through holes adapted to the fixing bolts 23 are formed in the middle of the fixing platforms 22, and threaded holes adapted to the fixing bolts 23 are formed in the workbench 1. In this embodiment, the height of the fixing table 22 is lower than that of the supporting seat 2, so that the fixing bolts 23 can be conveniently installed, the four fixing bolts 23 sequentially pass through the through holes of the fixing table 22 and then are screwed into the threaded holes of the worktable 1 to firmly fix the supporting seat 2, and the supporting seat 2 is fixed by adopting threaded connection so that installation is convenient.

The fixing manner or the fixing connection manner that is not described in this embodiment may be threaded connection or welding, or other existing connection manners may be adopted according to specific positions, and both threaded connection and welding belong to the prior art, and are not specifically described herein.

The working mode is as follows: during production and processing nut 24 earlier with treat the middle part of processing nut 24 and make the edge of nut 24 periphery aim at the middle part of two holding heads 5 in one side roughly, then through translation cylinder 18 drive grip slipper 4 and holding rod 3 translation together and be close to treat processing nut 24, rotate the distance between two holding rods 3 of double-threaded rod 8 adjustment again according to nut 24's size, make two holding heads 5 be in more suitable position in order to adapt to nut 24's size better, the back is adjusted respectively to the 5 intervals of the holding head of 2 both sides of supporting seat, rethread translation cylinder 18 of both sides drives grip slipper 4 and the 3 translations of holding rod of both sides respectively until four holding heads 5 press from both sides nut 24 tightly, nut 24 is pressed from both sides and just can make things convenient for further production and processing after tightly.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification which uses the inventive concept is intended to be included within the scope of the appended claims.

Claims

1. The utility model provides a clamping device is used in nut production which characterized in that: the clamping mechanism comprises a clamping component, an adjusting component and a translation driving mechanism for driving the clamping component to translate, the clamping component comprises clamping rods and clamping seats, two clamping rods are arranged on one side of each clamping seat close to the middle side by side, each clamping rod comprises a clamping head, a connecting rod and a sliding block part, the clamping heads inclining towards the middle are arranged at one end of each connecting rod, an angle of 120 degrees is formed between the end faces of the clamping heads on the two clamping rods, the sliding block part is arranged at the other end of each connecting rod, a sliding chute matched with the sliding block part is arranged on each clamping seat, each adjusting component comprises a double-threaded rod and a supporting block, and one supporting block is fixedly arranged at each of the two ends of each clamping seat, the double-threaded rod and the double-threaded rod are rotatably connected with the supporting blocks and are provided with a positive thread section and a negative thread section, the positive thread section and the negative thread section of the double-threaded rod respectively penetrate through the two connecting rods of the clamping rods, and the end face of the clamping head is fixedly provided with a rubber clamping pad.

2. The clamping device for nut production according to claim 1, wherein: the last spout of grip slipper sets up to dovetail groove, the slider portion on the supporting rod set up to dovetail slider and dovetail slider with dovetail groove adaptation.

3. The clamping device for nut production according to claim 2, wherein: the supporting shoe includes supporting part and fixed part, the supporting part install with the support bearing of double thread pole adaptation, the fixed part is dovetail shape and card and goes into dovetail chute, the fixed part with the grip slipper passes through connecting bolt fixed connection, be equipped with on the fixed part with the screw hole of connecting bolt adaptation is equipped with on the grip slipper with the through-hole of connecting bolt adaptation.

4. The clamping device for nut production according to claim 3, wherein: the translation driving mechanism comprises a translation air cylinder and an air cylinder seat, the air cylinder seat is fixedly arranged on the workbench, the translation air cylinder is fixedly arranged on the air cylinder seat, and the clamping seat is fixedly arranged at the front end of an air cylinder shaft of the translation air cylinder.

5. The clamping device for nut production according to claim 4, wherein: and a hand twisting head is arranged at one end of the double threaded rod.

6. The clamping device for nut production according to claim 5, wherein: the hand twisting head is cylindrical, and anti-skidding lines are arranged on the hand twisting head.

7. The clamping device for nut production according to claim 6, wherein: two fixing platforms are fixedly arranged on two sides of the supporting seat respectively and are fixed on the workbench through fixing bolts, through holes matched with the fixing bolts are formed in the middle of the fixing platforms, and threaded holes matched with the fixing bolts are formed in the workbench.