CN216028562U

CN216028562U - Double-faced tapping device for nut processing

Info

Publication number: CN216028562U
Application number: CN202122708685.3U
Authority: CN
Inventors: 朱敏
Original assignee: Suzhou Yiernai Electromechanical Technology Co ltd
Current assignee: Ningbo Zhengyi Fastener Co.,Ltd.
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-03-15
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a double-sided tapping device for nut processing in the technical field of nut production equipment, which comprises a workbench, a hollow rectangular plate, a forward and reverse rotating motor, a nut fixing device, a bidirectional screw pair, a vertical rod, a spline shaft, a gear speed increasing box, a pore plate, a transmission shaft and screw tap fixing chucks, wherein the forward and reverse rotating motor can be respectively connected with U-shaped plates at two sides through the bidirectional screw pair and the vertical rod after being electrified, so that the pore plates at two sides can respectively drive the transmission shaft to move left and right, then the spline shaft is rotated by utilizing a first chain wheel chain component, a spline sleeve can move left and right on the spline shaft along with the left and right movement of the pore plate, the transmission shaft can be rotated by utilizing a second chain wheel chain component, further, the screw taps at two sides can process nuts to be tapped which are clamped in the nut fixing device, and the device can complete double-sided tapping only by utilizing the forward and reverse rotating motor, the use of electrical equipment is reduced, the overall cost is reduced, the probability of failure is reduced, and the device has practicability.

Description

Double-faced tapping device for nut processing

Technical Field

The utility model relates to the technical field of nut production equipment, in particular to a double-sided tapping device for nut processing.

Background

The existing industries, manufacturing industries, buildings and the like can not separate nuts, namely nuts, which are screwed together with bolts or screws to play a fastening role, and all production and manufacturing machines need to use one element. The nut is according to the difference of material, divide into carbon steel, stainless steel, non ferrous metal like several big nut types such as copper, and it just can link together through the screw thread that the inboard set up and equal specification screw rod or bolt, and the nut screw thread need carry out the tapping with tapping equipment, and current tapping equipment is mostly the single face tapping, and the thread quality of single face tapping is relatively poor, hopes to design a two-sided tapping equipment in the actual production, improves the internal screw thread quality of nut. For example, CN208840642U discloses a double-sided tapping device for nuts, which comprises a frame, a first tapping device, a second tapping device, a first guide rail set, a second guide rail set, a first electric cylinder, a second electric cylinder, a nut fixing device, a first support plate, and a second support plate, wherein a nut fixing device is disposed at the center of the upper end of the frame, the first guide rail set and the second guide rail set are symmetrically disposed at two sides of the nut fixing device, respectively, the first guide rail set and the second guide rail set are fixedly connected with the frame, the first guide rail set and the second guide rail set are disposed toward the nut fixing device, the nut fixing device is disposed at the upper end of the frame, the first tapping device and the second tapping device are disposed at two sides of the nut fixing device, the first tapping device and the second tapping device tap two sides of a nut through hole respectively, and the quality of an internal thread can be improved by secondary tapping, the utility model discloses a double-side tapping device for nut processing, which reduces thread flaws, the defective product rate of nuts and loss, but the device needs to utilize a plurality of tapping motors and electric cylinders, so that the equipment cost and the failure rate are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-sided tapping device for nut processing, which aims to solve the problems that the existing device proposed in the background art needs to use a plurality of tapping motors and electric cylinders, and the equipment cost and the failure rate are increased.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-sided tapping device for nut processing comprises a workbench, a hollow rectangular plate, a forward and reverse rotation motor and a nut fixing device, wherein the hollow rectangular plate and the forward and reverse rotation motor are fixed on the upper surface of the workbench, the nut fixing device is fixed in the front center of the upper surface of the hollow rectangular plate, stepped through grooves are formed in the left side and the right side of the front of the upper surface of the hollow rectangular plate, U-shaped plates are slidably mounted in the stepped through grooves, a bidirectional screw pair is arranged in an inner cavity of the hollow rectangular plate, the outer end of the bidirectional screw pair is connected with a motor shaft of the forward and reverse rotation motor, a vertical rod is fixed at the top of a moving nut of the bidirectional screw pair, the top of the vertical rod is detachably connected with an inner cavity of the U-shaped plate, a spline shaft is rotatably mounted on the rear side of the upper surface of the hollow rectangular plate, a gear speed increasing box is mounted at one end of the spline shaft, and the gear speed increasing box is connected with the forward and reverse rotation motor through a first chain wheel chain assembly, the top of class U template is fixed with the orifice plate, the transmission shaft is installed in the orifice plate upper level rotation, the inner of transmission shaft is fixed with the fixed chuck of screw tap, the outer wall both sides of integral key shaft all are provided with the spline housing, the spline housing outer wall rotates installs the vertical plate of being connected with the orifice plate rear side, install second sprocket chain assembly between transmission shaft and the spline housing.

Preferably, the nut fixing device comprises a channel steel section with a forward opening, a pressing rod is vertically inserted into the top of the channel steel section, a clamping block is relatively fixed to the bottom of the pressing rod and the bottom of an inner cavity of the channel steel section, a telescopic spring is connected between the clamping block and the top of the inner wall of the channel steel section, a U-shaped seat is obliquely fixed to the top of the outer wall of the channel steel section, a rotating rod is installed on the inner cavity of the U-shaped seat through a rotating shaft and a bearing, one end of the rotating rod is rotatably connected with the top of the pressing rod, and a butterfly nut attached to the outer surface of the U-shaped seat is screwed on the outer side of the rotating shaft.

Preferably, a cooling liquid universal pipe is arranged at the upper end of the workbench, close to the nut fixing device.

Preferably, the outer surfaces of the hollow rectangular plate and the longitudinal plate are each fixed by screws with tensioners engaging with the chains of the first sprocket chain assembly and the second sprocket chain assembly, respectively.

Preferably, the front and rear surfaces of the hollow rectangular plate are provided with swing doors.

Preferably, be provided with spacing blind hole around the inner wall of type U template relatively, adapter sleeve is installed through the bearing to the outer wall of montant, adapter sleeve's outer wall central symmetry is fixed with the spring beam, the outer end of spring beam is fixed with the stirring board, the surface below of stirring board is fixed with the lug that matches with spacing blind hole.

Compared with the prior art, the utility model has the beneficial effects that: the screw tap fixing chucks on the two sides oppositely clamp the screw tap, the forward and reverse rotating motor can be respectively connected with the U-shaped plates on the two sides through the bidirectional screw pair and the vertical rod after being electrified, so that the pore plates on the two sides can respectively drive the transmission shaft to move left and right, the spline shaft can rotate by utilizing the first chain wheel and chain assembly, the spline sleeve can move left and right on the spline shaft along with the left and right movement of the pore plates, the transmission shaft can rotate by utilizing the second chain wheel and chain assembly, and further the screw tap on the two sides can process the nut to be tapped clamped in the screw nut fixing device.

Drawings

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

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

FIG. 2 is a partial top view of FIG. 1;

fig. 3 is a schematic view of the connection between the vertical rod and the U-like plate in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-workbench, 2-hollow rectangular plate, 3-forward and reverse rotating motor, 4-nut fixing device, 5-step through groove, 6-type U-shaped plate, 7-bidirectional screw pair, 8-vertical rod, 9-spline shaft, 10-hole plate, 11-transmission shaft, 12-screw tap fixing chuck, 13-gear speed increasing box, 14-first chain wheel chain component, 15-connecting sleeve, 16-spring rod, 17-shifting plate, 18-lug, 19-limiting blind hole, 20-longitudinal plate, 21-spline sleeve, 22-second chain wheel chain component, 40-channel steel section, 41-pressure rod, 42-clamping block, 43-U-shaped seat, 44-rotating rod and 45-butterfly nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings 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 of the 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 the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a double-sided tapping device for nut processing comprises a workbench 1, a hollow rectangular plate 2, a forward and reverse rotation motor 3 and a nut fixing device 4, wherein the hollow rectangular plate 2 and the forward and reverse rotation motor 3 are fixed on the upper surface of the workbench 1 in the same horizontal direction, the nut fixing device 4 is fixed in the center of the front of the upper surface of the hollow rectangular plate 2, a cooling liquid universal pipe is arranged at the upper end of the workbench 1 close to the nut fixing device 4 and matched with an external cooling pump to spray liquid and dissipate heat of a screw tap during tapping, stepped through grooves 5 are arranged on the left side and the right side of the front of the upper surface of the hollow rectangular plate 2, a U-shaped plate 6 is slidably mounted in the stepped through grooves 5, a bidirectional screw pair 7 is arranged in an inner cavity of the hollow rectangular plate 2, the outer end of the bidirectional screw pair 7 is connected with a motor shaft of the forward and reverse rotation motor 3, a vertical rod 8 is fixed at the top of a moving nut of the bidirectional screw pair 7, and the top of the vertical rod 8 is detachably connected with the inner cavity of the U-shaped plate 6, and further can control the U-like template 6 of both sides to move left and right respectively, the rear side of the upper surface of the hollow rectangular plate 2 is rotatably provided with a spline shaft 9, one end of the spline shaft 9 is provided with a gear speed increasing box 13, the gear speed increasing box 13 is connected with a forward and reverse rotation motor 3 through a first chain wheel chain component 14 to increase the speed of the spline shaft 9 for tapping, the top of the U-like template 6 is fixed with a pore plate 10, the pore plate 10 is horizontally and rotatably provided with a transmission shaft 11, the inner end of the transmission shaft 11 is fixed with a screw tap fixing chuck 12, both sides of the outer wall of the spline shaft 9 are provided with spline housings 21, the outer wall of the spline housing 21 is rotatably provided with a longitudinal plate 20 connected with the rear side of the pore plate 10, a second chain wheel chain component 22 is arranged between the transmission shaft 11 and the spline housings 21, meanwhile, the outer surfaces of the hollow rectangular plate 2 and the longitudinal plate 20 are respectively fixed with tensioners engaged with the chains of the first chain wheel chain component 14 and the second chain wheel chain component 22 through screws, prevent that the chain from lax, improve transmission efficiency, the front and back surface of hollow rectangular plate 2 all is provided with the revolving door for clear up the metal piece that gets into in its inner chamber.

Wherein, the nut fixing device 4 comprises a channel steel section 40 with a forward opening, a pressure lever 41 is vertically inserted into the top of the channel steel section 40, a clamping block 42 is relatively fixed at the bottom of the pressure lever 41 and the bottom of an inner cavity of the channel steel section 40, a telescopic spring is connected between the top clamping block 42 and the top of the inner wall of the channel steel section 40, a U-shaped seat 43 is obliquely fixed at the top of the outer wall of the channel steel section 40, a rotating rod 44 is installed in the inner cavity of the U-shaped seat 43 through a rotating shaft and a bearing, one end of the rotating rod 44 is rotatably connected with the top of the pressure lever 41, a butterfly nut 45 which is attached to the outer surface of the U-shaped seat 43 is screwed on the outer side of the rotating shaft, the openings of the upper and lower clamping blocks 42 are relatively arranged, and the other end of the rotating rod 44 is lifted upwards, and the pressing rod 41 is pressed downwards, the two clamping blocks 42 clamp the nut to be tapped, the butterfly nut 45 is rotated, and the friction force between the butterfly nut 45 and the outer wall of the U-shaped seat 43 is utilized to limit the rotating shaft, so that the nut to be tapped is clamped.

Referring to fig. 3, the inner wall of the U-shaped plate 6 is provided with a front and a rear limiting blind holes 19, the outer wall of the vertical rod 8 is provided with a connecting sleeve 15 through a bearing, spring rods 16 are symmetrically fixed on the center of the outer wall of the connecting sleeve 15, a shifting plate 17 is fixed at the outer end of the spring rod 16, a bump 18 matched with the limiting blind hole 19 is fixed below the outer surface of the shifting plate 17, the shifting plate 17 is relatively squeezed by two fingers, the bump 18 is separated from the limiting blind hole 19 under the action of the spring rods 16, the shifting plate 17 rotates 90 degrees during the squeezing process, the connecting sleeve 15 also rotates the same angle, after the fingers are released, the bump 18 is positioned outside the limiting blind hole 19, the separation is completed, when the connection is needed, the connecting sleeve 15 is rotated again, and the bump 18 is inserted into the inner side of the limiting blind hole 19 after being squeezed with the inner wall of the U-shaped plate 6.

The working principle is as follows: the existing screw tap fixing chucks 12 are utilized on two sides to respectively clamp positive and negative screw taps, nuts to be tapped are clamped through the nut fixing device 4, vertical rods 8 on the two sides are connected with limiting blind holes 19 formed in the U-shaped plate 6 in an inserting mode through bumps 18, the positive and negative rotating motor 3 is further utilized to drive the bidirectional screw pair 7 to respectively drive the screw taps on the two sides to be close to the nuts to be tapped, the first chain wheel chain assembly 14 drives the gear speed increasing box 13 to accelerate the spline shaft 9 in the working process of the positive and negative rotating motor 3, the spline sleeve 21 is further rotated at a high speed while being moved left and right, the second chain wheel chain assembly 22 is utilized to enable the transmission shaft 11 to rotate at a high speed, finally, the screw taps also rotate at a high speed, tapping is completed, the quality of the internal threads of the nuts can be improved through left and right tapping, thread defects are reduced, and the defective product rate and loss of the nuts are reduced.

It is worth noting that: the positive and negative motor that adopts in this scheme connects the electricity through two in the same direction as the switch, and both are the product sold in the market, belong to current mature technology, no longer give unnecessary details its electric connection relation and specific circuit structure and product model here.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a nut processing is with two-sided chasing bar, includes workstation (1), hollow rectangular plate (2), positive reverse motor (3) and nut fixing device (4), its characterized in that: the upper surface of a workbench (1) is fixed with a hollow rectangular plate (2) and a forward and reverse rotating motor (3), a nut fixing device (4) is fixed at the front center of the upper surface of the hollow rectangular plate (2), the left side and the right side of the front of the upper surface of the hollow rectangular plate (2) are provided with step through grooves (5), the step through grooves (5) are internally provided with U-shaped plates (6) in a sliding manner, the inner cavity of the hollow rectangular plate (2) is provided with a bidirectional screw pair (7), the outer end of the bidirectional screw pair (7) is connected with a motor shaft of the forward and reverse rotating motor (3), the top of a movable nut of the bidirectional screw pair (7) is fixed with a vertical rod (8), the top of the vertical rod (8) is detachably connected with the inner cavity of the U-shaped plate (6), a spline shaft (9) is rotatably installed at the rear side of the upper surface of the hollow rectangular plate (2), and a gear speed increasing box (13) is installed at one end of the spline shaft (9), gear speed-increasing box (13) are connected with positive reverse motor (3) through first sprocket chain subassembly (14), the top of class U template (6) is fixed with orifice plate (10), horizontal rotation installs transmission shaft (11) on orifice plate (10), the inner of transmission shaft (11) is fixed with the fixed chuck of screw tap (12), the outer wall both sides of integral key shaft (9) all are provided with spline housing (21), spline housing (21) outer wall rotates installs vertical plate (20) of being connected with orifice plate (10) rear side, install second sprocket chain subassembly (22) between transmission shaft (11) and spline housing (21).

2. The double-sided tapping device for nut processing according to claim 1, wherein: nut fixing device (4) are including opening channel steel section (40) forward, the vertical grafting in top of channel steel section (40) has depression bar (41), the bottom of depression bar (41) and the inner chamber bottom relatively fixed of channel steel section (40) have clamp splice (42), top be connected with expanding spring between clamp splice (42) and channel steel section (40) inner wall top, the outer wall top slope of channel steel section (40) is fixed with U type seat (43), bull stick (44) are installed through pivot and bearing to the inner chamber of U type seat (43), the one end and the depression bar (41) top of bull stick (44) are rotated and are connected, pivot outside spiro union has butterfly nut (45) with the laminating of U type seat (43) surface.

3. The double-sided tapping device for nut processing according to claim 2, wherein: and a cooling liquid universal pipe is arranged at the upper end of the workbench (1) close to the nut fixing device (4).

4. The double-sided tapping device for nut processing according to claim 1, wherein: the outer surfaces of the hollow rectangular plate (2) and the longitudinal plate (20) are respectively fixed with tensioners which are respectively engaged with chains of the first chain wheel chain assembly (14) and the second chain wheel chain assembly (22) through screws.

5. The double-sided tapping device for nut processing according to claim 4, wherein: the front surface and the rear surface of the hollow rectangular plate (2) are provided with rotating doors.

6. The double-sided tapping device for nut processing according to claim 1, wherein: be provided with spacing blind hole (19) around the inner wall of class U template (6) relatively, adapter sleeve (15) are installed through the bearing to the outer wall of montant (8), the outer wall central symmetry of adapter sleeve (15) is fixed with spring beam (16), the outer end of spring beam (16) is fixed with dials movable plate (17), the surface below of dialling movable plate (17) is fixed with lug (18) of matcing with spacing blind hole (19).