CN213764795U

CN213764795U - Electric screwing device with depth control

Info

Publication number: CN213764795U
Application number: CN202023030452.4U
Authority: CN
Inventors: 刘长勇; 王熙; 宋福平; 李强; 郭文茂
Original assignee: Qingdao Xinsong Robot Automation Co ltd
Current assignee: Qingdao Xinsong Robot Automation Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-23
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses an electronic wrong turning device of area degree of depth control, including no gravity balance support arm and the wrong mechanism of twisting of installing on no gravity balance support arm, it twists wrong mechanism and constitutes by screwing up rifle clamp plate and electronic tightening gun combination, screws up the rifle clamp plate and links to each other with no gravity balance support arm through the supporting baseplate, and screws up the rifle clamp plate and set up for being located the upside face of supporting baseplate, and the supporting baseplate is the plate body structure of L type, it is provided with two to screw up the rifle clamp plate symmetries, electronic tightening gun is fixed mounting in the installation notch between two tightening rifle clamp plates, and the outside cladding of two tightening rifle clamp plates is provided with the protection casing; through will electronic rifle fixed mounting of screwing up on screwing up the rifle clamp plate to will screw up the rifle clamp plate and pass through supporting baseplate fixed mounting on no gravity balance support arm, thereby can carry out nimble regulation to the position of electronic rifle of screwing up through no gravity balance support arm, thereby improve the flexibility when it actually uses.

Description

Electric screwing device with depth control

Technical Field

The utility model relates to a relevant technical field of appurtenance for the part assembly specifically is a take electronic wrong device that revolves of degree of depth control.

Background

During assembly, especially of automotive control valves, screw fitting of, for example, a filter screen is often involved. Taking a filter screen as an example, the assembly of the filter screen is divided into press fitting and screwing, wherein the screwing work condition is more complicated than the press fitting. The screwing of the filter screen is different from the screwing of a common fastener, the filter screen needs to be completely screwed into the hole of the part to be screwed into the filter screen, and the depth is often larger. In addition, the torque needs to be monitored in the filter screen screwing process, and the screwing depth of the filter screen needs to be controlled. The traditional method for judging the depth by the number of screwing turns is complex to operate, poor in precision, difficult to obtain an accurate reference in the measuring process and very unstable in measured data.

Disclosure of Invention

An object of the utility model is to provide a take electronic revolving of degree of depth control to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electric screwing device with depth control comprises a gravity-free balance support arm and an screwing mechanism arranged on the gravity-free balance support arm, wherein the screwing mechanism is formed by combining a screwing gun clamping plate and an electric screwing gun, the screwing gun clamping plate is connected with the gravity-free balance support arm through a support bottom plate, the screwing gun clamping plate is arranged on the upper side surface of the support bottom plate, the support bottom plate is of an L-shaped plate body structure, the screwing gun clamping plates are symmetrically provided with two parts, the electric screwing gun is fixedly arranged in an installation notch between the two screwing gun clamping plates, the outer sides of the two screwing gun clamping plates are coated with a protective cover, a screwing gun supporting plate is arranged at the upper end of a vertical plate of the support bottom plate, a gun body of the electric screwing gun is arranged in an installation hole of the screwing gun supporting plate, and a wiring hole is formed in the plate body of the screwing gun supporting plate, be provided with the start button on the rifle body of electronic rifle of screwing up, the terminal fixed mounting of motor shaft of electronic rifle of screwing up has the shaft coupling, fixed mounting criticizes the head on the shaft coupling, seted up the through-hole on the plate body of supporting baseplate, and criticize the first axis body and pass among the through-hole from the supporting baseplate, the lower fixed surface welding of supporting baseplate has the urceolus, the urceolus is a pipe structure, and the lower fixed surface of urceolus installs the bush and keeps off the ring, the fixed oilless bush that is provided with on the inside wall of urceolus, movable mounting has the benchmark inner tube among the inner circle of oilless bush, and criticize the first setting of passing among the inner circle of following the benchmark inner tube, the rectangle notch has been seted up to one side of urceolus, and has seted up the mounting groove on the last side of benchmark inner tube, and has the benchmark piece through a set of positioning bolt fixed mounting in its notch.

Preferably, the through holes in the supporting base plate are fixedly provided with two rolling bearings through locking nuts, and the upper part rod body of the screwdriver head is fixedly arranged in the inner ring of the rolling bearings.

Preferably, the inner diameter that the bush kept off the ring is less than the inner diameter of urceolus, and oil-free bush's inner diameter and bush keep off the inner diameter of ring and equal, and integrated into one piece have a spacing ring on the inside wall of urceolus, and the inner diameter of its spacing ring is less than oil-free bush's inner diameter, and oil-free bush establishes for the fixing clip and fixes between bush fender ring and the spacing ring.

Preferably, the upper surface of the reference block is flush with the upper surface of the reference inner cylinder, support springs are connected among the upper surface of the reference block, the upper surface of the reference inner cylinder and the lower surface of the support bottom plate, and guide rods are arranged in inner rings of the support springs.

Preferably, the reference block is arranged in a rectangular notch on the side wall of the outer barrel, and the width of the reference block is smaller than that of the rectangular notch.

Preferably, the guide rod is composed of a first telescopic pipe, a second telescopic pipe, a lower connecting plate and an upper connecting plate in a combined mode, the second telescopic pipe is movably arranged in an inner cavity of the first telescopic pipe, the lower connecting plate is connected to the lower end of the first telescopic pipe, the upper connecting plate is connected to the upper end of the second telescopic pipe, the supporting spring is sleeved on the first telescopic pipe and the second telescopic pipe, and the upper end and the lower end of the supporting spring are respectively connected with the upper connecting plate and the lower connecting plate.

Preferably, be provided with the sensor backup pad on the vertical plate body of supporting baseplate, the lateral surface of sensor backup pad passes through the fixed centre gripping of sensor clamp plate and has displacement sensor, and displacement sensor's lower extreme detects the head for displacement sensor, and displacement sensor detects the head and sets up for being located the benchmark piece directly over.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the electric tightening gun is fixedly arranged on the tightening gun clamping plate, and the tightening gun clamping plate is fixedly arranged on the gravity-free balance support arm through the support bottom plate, so that the position of the electric tightening gun can be flexibly adjusted through the gravity-free balance support arm, and the flexibility of the electric tightening gun in actual use is improved;

2. the sensor supporting plate is arranged on the vertical plate body of the supporting bottom plate, and the displacement sensor is fixedly arranged on the sensor supporting plate, so that the screwing depth of the filter screen is detected by the displacement sensor in the assembling process, the filter screen is guaranteed to be screwed and installed in place, and the installation stability of the filter screen is guaranteed;

3. and the support spring is sleeved on a guide rod formed by combining the first telescopic pipe, the second telescopic pipe, the lower connecting plate and the upper connecting plate, so that the stability of the reset motion of the support spring is ensured through the guide rod.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a half sectional view of the guide bar.

In the figure: the balance arm 1, the electric tightening gun 21, the outer cylinder 210, the bushing retaining ring 211, the start button 2111, the tightening gun support plate 212, the sensor clamping plate 213, the sensor support plate 214, the displacement sensor 215, the displacement sensor detection head 2151, the reference block 216, the oilless bushing 217, the reference inner cylinder 218, the batch head 219, the wiring hole 2121, the tightening gun clamping plate 22, the shield 23, the coupling 24, the lock nut 25, the rolling bearing 26, the support base plate 27, the support spring 29, the guide rod 31, the first telescopic tube 311, the second telescopic tube 312, the lower connecting plate 313 and the upper connecting plate 314.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an electric screwing device with depth control comprises a gravity-free balance support arm 1 and a screwing mechanism arranged on the gravity-free balance support arm 1, wherein the screwing mechanism is formed by combining a screwing gun clamping plate 22 and an electric screwing gun 21, the screwing gun clamping plate 22 is connected with the gravity-free balance support arm 1 through a supporting bottom plate 27, the screwing gun clamping plate 22 is arranged on the upper side surface of the supporting bottom plate 27, the supporting bottom plate 27 is of an L-shaped plate body structure, the screwing gun clamping plates 22 are symmetrically arranged in two, the electric screwing gun 21 is fixedly arranged in a mounting notch between the two screwing gun clamping plates 22, the outer sides of the two screwing gun clamping plates 22 are coated with a protective cover 23, a screwing gun support plate 212 is arranged at the upper end of a vertical plate of the supporting bottom plate 27, a gun body of the electric screwing gun 21 is arranged in a mounting hole of the gun support plate 212, and a wire hole 2121 is formed in the plate body of the gun support plate 212, a starting button 2111 is arranged on the gun body of the electric tightening gun 21, a coupler 24 is fixedly arranged at the tail end of a motor rotating shaft of the electric tightening gun 21, a screwdriver head 219 is fixedly arranged on the coupler 24, a through hole is formed in the plate body of the supporting base plate 27, the shaft body of the screwdriver head 219 penetrates through the through hole in the supporting base plate 27, an outer barrel 210 is fixedly welded on the lower surface of the supporting base plate 27, the outer barrel 210 is of a circular tube structure, a bushing baffle ring 211 is fixedly arranged on the lower surface of the outer barrel 210, an oil-free bushing 217 is fixedly arranged on the inner side wall of the outer barrel 210, a reference inner barrel 218 is movably arranged in the inner ring of the oil-free bushing 217, the screwdriver head 219 penetrates through the inner ring of the reference inner barrel 218, a rectangular notch is formed in one side of the outer barrel 210, a mounting groove is formed in the upper side surface of the reference inner barrel 218, and a reference block 216 is fixedly arranged in the notch through a group of positioning bolts, by fixedly mounting the electric tightening gun 21 on the tightening gun clamp plate 22 and fixedly mounting the tightening gun clamp plate 22 on the gravity-free balance arm 1 via the support base plate 27, the position of the electric tightening gun 21 can be flexibly adjusted by the gravity-free balance arm 1, thereby improving flexibility in practical use thereof.

Furthermore, the through hole of the supporting base plate 27 is fixedly provided with two rolling bearings 26 through the lock nut 25, and the upper part rod body of the screwdriver bit 219 is fixedly arranged in the inner ring of the rolling bearing 26.

Further, the inner diameter of the bushing baffle ring 211 is smaller than the inner diameter of the outer cylinder 210, the inner diameter of the oilless bushing 217 is equal to the inner diameter of the bushing baffle ring 211, a limiting ring is integrally formed on the inner side wall of the outer cylinder 210, the inner diameter of the limiting ring is smaller than the inner diameter of the oilless bushing 217, and the oilless bushing 217 is fixed between the bushing baffle ring 211 and the limiting ring for fixing.

Further, the upper surface of the reference block 216 is flush with the upper surface of the reference inner cylinder 218, and a support spring 29 is connected between the upper surface of the reference block 216, the upper surface of the reference inner cylinder 218 and the lower surface of the support base plate 27, and a guide rod 31 is disposed in an inner ring of the support spring 29.

Further, the reference block 216 is disposed in a rectangular notch on the sidewall of the outer barrel 210, and the width of the reference block 216 is smaller than the width of the rectangular notch.

Further, the guide rod 31 is composed of a first telescopic tube 311, a second telescopic tube 312, a lower connecting plate 313 and an upper connecting plate 314, the second telescopic tube 312 is movably arranged in the inner cavity of the first telescopic tube 311, the lower connecting plate 313 is connected to the lower end of the first telescopic tube, the upper connecting plate 314 is connected to the upper end of the second telescopic tube 312, the support spring 29 is sleeved on the first telescopic tube 311 and the second telescopic tube 312, the upper end and the lower end of the support spring 29 are respectively connected with the upper connecting plate 314 and the lower connecting plate 313, and the support spring 29 is sleeved on the guide rod 31 composed of the first telescopic tube 311, the second telescopic tube 312, the lower connecting plate 313 and the upper connecting plate 314, so that the stability of the reset motion of the support spring 29 is ensured through the guide rod 31.

Further, be provided with sensor support plate 214 on the vertical plate body of supporting baseplate 27, sensor support plate 214's lateral surface passes through sensor clamping plate 213 fixed centre gripping has displacement sensor 215, displacement sensor 215's lower extreme is displacement sensor detection head 2151, and displacement sensor detection head 2151 sets up for being located the benchmark piece 216 directly over, through set up sensor support plate 214 on the vertical plate body of supporting baseplate 27, and through fixed mounting has displacement sensor 215 on sensor support plate 214, thereby in to the assembling process through displacement sensor 215, the spiral shell depth of filter screen detects, thereby guarantee that the filter screen is installed in place soon, thereby guarantee the stability of its spiral shell installation.

The working principle is as follows: use the filter screen to twist and revolve and twist as the example, the utility model discloses accomplish the degree of depth control and twist the filter screen and twist the concrete working process who targets in place as follows: the filter screen is taken manually and placed to wait to adorn threaded hole, holds the electronic rifle body of screwing up, and the tensile no gravity balance arm pushes down behind the suitable position, when criticizing first contact or near contact filter screen, presses the start button, and electronic rifle of screwing up drives criticize the head and twist the filter screen soon, revolves the in-process and need continuously push down. Benchmark inner tube bottom surface and hole benchmark terminal surface contact, benchmark inner tube drive reference block press displacement sensor detection head, and displacement sensor feeds back control system with the displacement value, and after the displacement value reached system's setting value, control system sent control signal for the controller of electronic rifle of screwing up, electronic rifle stop work of screwing up, control system gives qualified sign. The electric tightening gun has torque overload protection in the screwing process, controls the screwing torque, and prevents the filter screen from being damaged and producing unqualified products due to overlarge torque in the screwing process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take electronic wrong device of twisting of degree of depth control, includes no gravity balance support arm (1) and installs the mechanism of twisting on no gravity balance support arm (1), and it twists the mechanism and constitutes its characterized in that by screwing up rifle clamp plate (22) and electronic rifle (21) combination of screwing up: the tightening gun clamping plates (22) are connected with the gravity-free balance support arm (1) through a support base plate (27), the tightening gun clamping plates (22) are arranged on the upper side face of the support base plate (27), the support base plate (27) is of an L-shaped plate body structure, the tightening gun clamping plates (22) are symmetrically arranged in two, the electric tightening guns (21) are fixedly arranged in mounting notches between the two tightening gun clamping plates (22), the outer sides of the two tightening gun clamping plates (22) are coated with the protective covers (23), the tightening gun supporting plates (212) are mounted at the upper ends of the vertical plates of the support base plate (27), gun bodies of the electric tightening guns (21) are arranged in mounting holes of the tightening gun supporting plates (212), wire routing holes (2121) are formed in the plate bodies of the tightening gun supporting plates (212), and starting buttons (2111) are arranged on the gun bodies of the electric tightening guns (21), the terminal fixed mounting of motor shaft of electronic rifle (21) of screwing up has shaft coupling (24), fixed mounting has criticize first (219) on shaft coupling (24), the through-hole has been seted up on the plate body of supporting baseplate (27), and criticize the axis body of first (219) and pass among the through-hole on supporting baseplate (27), the fixed surface welding of supporting baseplate (27) has urceolus (210), urceolus (210) are a pipe structure, and the fixed surface mounting of urceolus (210) has bush to keep off ring (211), the fixed oilless bush (217) that is provided with on the inside wall of urceolus (210), movable mounting has benchmark inner tube (218) among the inner circle of oilless bush (217), and criticize first (219) and pass the setting among the inner circle of benchmark inner tube (218), the rectangle notch has been seted up to one side of urceolus (210), and has seted up the mounting groove on the last side of benchmark inner tube (218), and a reference block (216) is fixedly arranged in the notch of the positioning block through a group of positioning bolts.

2. An electric screwing device with depth control according to claim 1, characterised in that: and rolling bearings (26) are fixedly mounted in the through holes in the supporting base plate (27) through locking nuts (25), the number of the rolling bearings (26) is two, and the upper part rod body of the screwdriver head (219) is fixedly mounted in the inner ring of the rolling bearing (26).

3. An electric screwing device with depth control according to claim 1, characterised in that: the internal diameter that the bush kept off ring (211) is less than the internal diameter of urceolus (210), and the internal diameter that oil free bush (217) kept off ring (211) with the bush equals, and integrated into one piece has a spacing ring on the inside wall of urceolus (210), and the internal diameter of its spacing ring is less than the internal diameter of oil free bush (217), and oil free bush (217) are established for the fixing clip and are fixed between bush fender ring (211) and the spacing ring.

4. An electric screwing device with depth control according to claim 1, characterised in that: the upper surface of the reference block (216) is flush with the upper surface of the reference inner cylinder (218), supporting springs (29) are connected among the upper surface of the reference block (216), the upper surface of the reference inner cylinder (218) and the lower surface of the supporting base plate (27), and guide rods (31) are arranged in inner rings of the supporting springs (29).

5. An electric screwing device with depth control according to claim 4, characterised in that: the reference block (216) is arranged in a rectangular notch on the side wall of the outer barrel (210), and the width of the reference block (216) is smaller than that of the rectangular notch.

6. An electric screwing device with depth control according to claim 4, characterised in that: the guide rod (31) is formed by combining a first telescopic pipe (311), a second telescopic pipe (312), a lower connecting plate (313) and an upper connecting plate (314), the second telescopic pipe (312) is movably arranged in the inner cavity of the first telescopic pipe (311), the lower connecting plate (313) is connected with the lower end of the first telescopic pipe, the upper connecting plate (314) is connected with the upper end of the second telescopic pipe (312), a supporting spring (29) is sleeved on the first telescopic pipe (311) and the second telescopic pipe (312), and the upper end and the lower end of the supporting spring (29) are respectively connected with the upper connecting plate (314) and the lower connecting plate (313).

7. An electric screwing device with depth control according to claim 1, characterised in that: be provided with sensor backup pad (214) on the vertical plate body of supporting baseplate (27), the lateral surface of sensor backup pad (214) passes through sensor clamping plate (213) and fixes centre gripping displacement sensor (215), and the lower extreme of displacement sensor (215) detects head (2151) for displacement sensor, and displacement sensor detects head (2151) and sets up for being located benchmark piece (216) directly over.