CN215199514U

CN215199514U - Electric hand riveter with large torque transmission

Info

Publication number: CN215199514U
Application number: CN202121401391.XU
Authority: CN
Inventors: 徐军桥
Original assignee: Shanghai C Mart Tools Co ltd
Current assignee: Shanghai C Mart Tools Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-17
Anticipated expiration: 2031-06-23

Abstract

The utility model provides an electronic hand riveter with big moment transmission, include: casing and driving motor are provided with the screw rod subassembly of being connected with driving motor in the casing, and the screw rod subassembly includes: the clamping jaw mechanism comprises a base, a transmission screw rod and a push-pull screw rod, wherein the transmission screw rod and the push-pull screw rod are arranged on the base; push-and-pull screw passes through first screw thread subassembly with drive screw and is connected, and first screw thread subassembly includes: the first trapezoidal thread is arranged at one end of the transmission screw rod, and the first screw groove is arranged on the inner side of the push-pull screw rod, and the first screw groove is matched with the first trapezoidal thread to realize push-pull movement of the push-pull screw rod. The utility model relates to an electronic hand riveter with big moment transmission's transmission precision is high, and the moment of torsion is big and simple structure, low in manufacturing cost, long service life, user use and easy maintenance.

Description

Electric hand riveter with large torque transmission

Technical Field

The utility model relates to an electric tool equipment technical field, in particular to electronic hand riveter with big moment transmission.

Background

The hand riveter is used for fastening and riveting various metal plates, pipes and other manufacturing industries, and is widely used for riveting electromechanical and light industrial products such as elevators, switches, instruments, furniture, decorations and the like at present. Today, it can be generally divided into manual riveters, pneumatic riveters and electric riveters with large torque transmission. Under the common condition, the working principle of the manual hand riveter is that two handles are tightly held by two hands, two arms exert force to the middle to exert force, a bobbin is pulled through a lever, two clamping jaws are arranged inside a bobbin head, the two clamping jaws clamp a core-pulling rivet rod to pull backwards by virtue of an inner conical surface which is annularly wrapped in an outer cylindrical cavity of the bobbin head, the use is labor-consuming, the user is easy to fatigue in frequent and continuous riveting work, and the efficiency is lower; the pneumatic hand riveter converts compressed air into hydraulic pressure, controls the piston shaft to move back and forth to complete the riveting work, has the advantages of high speed and high tension, but needs an air source, has high noise and cannot be operated in the field; the electric hand riveter with large torque transmission, especially the hand held electric hand riveter with large torque transmission, is easy to carry and suitable for field operation. The existing hand riveter is more convenient and efficient than the original pneumatic riveter, but the existing electric riveter has the defects of limited motor power, fast rotating speed and small torque, is difficult to complete the rivet installation work sometimes, causes the waste of rivets, even causes the damage of the riveter, brings unnecessary trouble to the production work, and the existing riveter has a complex internal structure, low transmission precision, and is troublesome to maintain once damaged, and the manufacturing cost is relatively high, so the improved space still exists.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a transmission precision height, big and long service life's electronic hand riveter with big moment transmission of moment, user use and easy maintenance, overall structure is simple and low in manufacturing cost.

(II) technical scheme

In order to solve the technical problem, the utility model provides an electronic hand riveter with big moment transmission, include: casing and driving motor, be provided with in the casing with the screw rod subassembly that driving motor connects, screw rod subassembly includes: the clamping jaw mechanism comprises a base, a transmission screw rod and a push-pull screw rod, wherein the transmission screw rod and the push-pull screw rod are arranged on the base; the push-pull screw rod is connected with the transmission screw rod through a first thread component, and the first thread component comprises: the first trapezoidal thread is arranged at one end of the transmission screw rod, and the first screw groove is arranged on the inner side of the push-pull screw rod, and the first screw groove is matched with the first trapezoidal thread to realize push-pull movement of the push-pull screw rod.

Further, the jaw mechanism includes: the clamping jaw is clamped at one end of the clamping sleeve, and the other end of the clamping sleeve is connected with the push-pull rod sleeve through a second threaded component.

Further, the second threaded assembly includes: the second trapezoidal thread is arranged at one end of the push-pull rod sleeve, and the second thread groove is arranged on the inner side of the clamping sleeve and matched with the second thread groove.

Furthermore, tensile inclined plane parts are formed on two sides of the first trapezoidal thread and matched with the side surfaces of the first thread groove.

Furthermore, a tensile end face is formed on the outer side of the first trapezoidal thread, and the tensile inclined plane parts are arranged on two sides of the tensile end face.

Furthermore, one end of the push-pull rod sleeve, which is close to the clamping sleeve, is provided with a groove, a compression spring is placed in the groove, and the ejection core is placed between the compression spring and the clamping jaw.

Furthermore, one end of the screw rod assembly is also connected with a planetary reducer, and the planetary reducer is connected with the driving motor.

Furthermore, the transmission screw rod and a limiting block is further arranged between the bases, a limiting groove is formed in the shell, and the transmission screw rod is arranged in the limiting groove in a limiting mode through the limiting block in a rotating limiting mode.

(III) advantageous effects

Compared with the prior art, the utility model has the advantages of: this electronic riveter passes through push-and-pull screw, the mode that push-and-pull rod cover and clamping sleeve all pass through trapezoidal thread connection makes the inside mounting structure of riveter simple, drop when can avoiding traditional screw thread rivet, thereby adopt trapezoidal thread increase area of contact, make the riveter can carry out the rivet work of stainless steel or major diameter aluminum rivet, effectively improve the transmission torque of riveter, improve the extensive suitability of riveter, satisfy user's many-sided demand, its transmission cooperation efficiency is high, the transmission precision is higher, can effectively reduce transmission loss, improve the work efficiency of riveter.

Drawings

FIG. 1 is a perspective view of an electric riveter with large torque transmission according to the present invention;

FIG. 2 is an exploded view of an electric riveter with a large torque transmission according to the present invention;

FIG. 3 is a cross-sectional view of the electric hand riveter with large torque transmission of the present invention;

FIG. 4 is an enlarged view of the electric hand riveter with large torque transmission of the present invention at the A position;

FIG. 5 is an enlarged view of the electric hand riveter B with large torque transmission of the present invention;

FIG. 6 is a schematic structural view of a screw assembly of an electric riveter with large torque transmission according to the present invention;

FIG. 7 is a schematic structural view of a driving screw of an electric riveter with large torque transmission according to the present invention;

wherein: the device comprises a shell 1, a driving motor 2, a screw assembly 3, a transmission screw 301, a push-pull screw 302, a base 303, a push-pull rod sleeve 4, a jaw mechanism 5, a jaw 501, a clamping sleeve 502, a top core 503, a first thread assembly 601, a first trapezoidal thread 611, a first thread groove 621, a second thread assembly 602, a second trapezoidal thread 612, a second thread groove 622, a tensile inclined plane part 7, a tensile end face 8, a groove 9, a compression spring 10, a limiting groove 11 and a limiting block 12.

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.

Referring to fig. 1 to 7, an electric riveter with large torque transmission includes: casing 1 and driving motor 2 are provided with the screw rod subassembly 3 of being connected with driving motor 2 in the casing 1, and screw rod subassembly 3 includes: the device comprises a base 303, a transmission screw 301 and a push-pull screw 302 which are arranged on the base 303, wherein the push-pull screw 302 is arranged on the transmission screw 301, one end of the push-pull screw 302 is connected with a push-pull rod sleeve 4, and the other end of the push-pull rod sleeve 4 is provided with a jaw mechanism 5; the push-pull screw 302 is connected to the drive screw 301 by a first threaded assembly 601, the first threaded assembly 601 comprising: set up at the first trapezoidal thread 611 of drive screw 301 one end and set up at the inboard first thread groove 621 of push-and-pull screw 302, first thread groove 621 realizes the push-and-pull motion to push-and-pull screw 302 with the cooperation of first trapezoidal thread 611, it is specific, drive screw 301 through driving motor 2, utilize first screw thread subassembly 601 to drive push-and-pull screw 302 and carry out the rivet work, the rivet work to 0~7mm aluminium rivet or 0~5mm stainless steel rivet can be realized to the cooperation of first thread groove 621 with first trapezoidal thread 611, can effectively improve the rivet strength and the rivet moment of rivet gun, effectively prolong the life of rivet gun, inner structure sets up simply, overall structure sets up rationally, manufacturing cost is lower.

Referring to fig. 2 and 4, the jaw mechanism 5 includes: jack catch 501, clamping sleeve 502 and apical pore 503, clamping sleeve 502's one end presss from both sides tight jack catch 501, and its other end passes through second screw thread subassembly 602 and connects push-pull rod cover 4, and push-pull rod cover 4 is provided with recess 9 near the one end of clamping sleeve 502, has placed pressure spring 10 in the recess 9, and apical pore 503 places in between pressure spring 10 and the jack catch 501, and second screw thread subassembly 602 includes: the second trapezoidal thread 612 arranged at one end of the push-pull rod sleeve 4 and the second thread groove 622 arranged at the inner side of the clamping sleeve 502 are matched, in the embodiment, the second thread assembly 602 has the same structure as the first thread assembly 601, one end of the top core 503 abuts against the clamping jaw 501, the other end of the top core 503 is arranged in the compression spring 10 and compresses the compression spring 10, the clamping jaw 501 can be prevented from loosening and falling, the clamping jaw 501 is matched with the clamping sleeve 502 more tightly, the whole structure of the rivet gun is more fastened and reliable, in addition, the bearing torque of the screw rod assembly 3 can be further improved by combining the second thread assembly 602 with the first thread assembly 601, the rivet gun can be ensured to be used with large torque, the rivet efficiency is improved, and the service life of the rivet gun is prolonged.

Referring to fig. 5 and 7, tensile inclined plane portions 7 are formed on two sides of the first trapezoidal thread 611, the tensile inclined plane portions 7 are matched with the side faces of the first thread groove 621, a tensile end face 8 is formed on the outer side of the first trapezoidal thread 611, the tensile inclined plane portions 7 are arranged on two sides of the tensile end face 8, the contact area of the first trapezoidal thread 611 and the contact area of the first thread groove 621 can be increased by the aid of the tensile inclined plane portions 7 and the tensile end face 8, falling-off of the first trapezoidal thread 611 and the first thread groove 621 is avoided, and it is guaranteed that the internal structure is used more stably.

Referring to fig. 2, one end of the screw assembly 3 is further connected with a planetary reducer, the planetary reducer is connected with the driving motor 2, the rotating speed is reduced through the planetary reducer, and then the torque is increased.

Referring to fig. 2, 3, 6 and 7, a limit block 12 is further arranged between the transmission screw 301 and the base 303, a limit groove 11 is formed in the housing 1, and the transmission screw 301 is rotated and limited by the limit block 12 and is arranged in the limit groove 11, so that the limit rotation of the transmission screw 301 can be ensured, and the normal rivet operation can be ensured.

The electronic rivet joint that this embodiment has big moment transmission passes through push-and-pull screw, push-and-pull rod cover and clamping sleeve all make the inside mounting structure of riveter simple through trapezoidal threaded connection's mode, drop when can avoiding traditional screw thread rivet joint, thereby adopt trapezoidal thread increase area of contact, make the riveter can carry out the rivet joint work of stainless steel or major diameter aluminum rivet, effectively improve the transmission moment of riveter, improve the extensive suitability of riveter, satisfy user's many-sided demand, its transmission cooperation efficiency is high, transmission precision is higher, can effectively reduce transmission loss, improve the work efficiency of riveter.

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

Claims

1. An electric riveter with high torque transmission, comprising: casing (1) and driving motor (2), be provided with in casing (1) with screw rod subassembly (3) that driving motor (2) are connected, screw rod subassembly (3) include: the clamping device comprises a base (303), a transmission screw (301) and a push-pull screw (302), wherein the transmission screw (301) and the push-pull screw (302) are arranged on the base (303), the push-pull screw (302) is arranged on the transmission screw (301), one end of the push-pull screw (302) is connected with a push-pull rod sleeve (4), and the other end of the push-pull rod sleeve (4) is provided with a clamping jaw mechanism (5); the push-pull screw (302) is connected with the drive screw (301) by a first threaded assembly (601), the first threaded assembly (601) comprising: the push-pull mechanism comprises a first trapezoidal thread (611) arranged at one end of the transmission screw (301) and a first thread groove (621) arranged on the inner side of the push-pull screw (302), wherein the first thread groove (621) is matched with the first trapezoidal thread (611) to realize push-pull movement of the push-pull screw (302).

2. An electric riveter with high torque transmission according to claim 1, characterized in that the jaw mechanism (5) comprises: the clamping jaw structure comprises a clamping jaw (501), a clamping sleeve (502) and a top core (503), wherein one end of the clamping sleeve (502) clamps the clamping jaw (501), and the other end of the clamping sleeve is connected with the push-pull rod sleeve (4) through a second threaded component (602).

3. An electric riveter with high torque transmission according to claim 2, characterized in that the second threaded component (602) comprises: the second trapezoidal thread (612) arranged at one end of the push-pull rod sleeve (4) and the second thread groove (622) arranged on the inner side of the clamping sleeve (502) are matched, and the second trapezoidal thread (612) is matched with the second thread groove (622).

4. The electric riveter with large torque transmission according to claim 1, characterized in that the first trapezoidal thread (611) is formed with tensile slopes (7) at both sides, and the tensile slopes (7) are engaged with the sides of the first groove (621).

5. An electric riveter with high torque transmission according to claim 4, characterized in that the first trapezoidal thread (611) is formed with a tensile end surface (8) on the outside, and the tensile inclined surface portions (7) are disposed on both sides of the tensile end surface (8).

6. An electric riveter with high torque transmission according to claim 2, characterized in that the end of the push rod sleeve (4) close to the clamping sleeve (502) is provided with a groove (9), a pressure spring (10) is placed in the groove (9), and the top core (503) is placed between the pressure spring (10) and the jaw (501).

7. An electric riveter with high torque transmission according to claim 1, characterized in that a planetary reducer is connected to one end of the screw assembly (3) and is connected to the driving motor (2).

8. The electric riveter with large torque transmission according to claim 1, characterized in that a limiting block (12) is further arranged between the transmission screw (301) and the base (303), a limiting groove (11) is formed in the housing (1), and the transmission screw (301) is rotatably limited in the limiting groove (11) through the limiting block (12).