CN217459855U

CN217459855U - Be applied to two-way clamping device on embroidery machine

Info

Publication number: CN217459855U
Application number: CN202221697078.XU
Authority: CN
Inventors: 李强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-20
Anticipated expiration: 2032-07-01

Abstract

A bidirectional clamping device applied to an embroidery machine comprises a base, a driving mechanism arranged on the base, and two clamping arms driven by the driving mechanism to clamp or release an embroidery frame, wherein each clamping arm is provided with a clamping groove for inserting the end part of the embroidery frame and a positioning notch correspondingly communicated with the clamping groove; and a pressure sensor for detecting the clamping force of the clamping arm for clamping the embroidery frame is arranged on one clamping arm, and the pressure sensor and the driving mechanism are jointly connected with a control device. When the pressure sensor detects that the clamping force reaches the set range, the control device controls the driving mechanism to stop working, so that the clamping device keeps the current clamping force for clamping the tabouret, the tabouret is prevented from being damaged due to the fact that the tabouret is clamped by the clamping device due to overlarge clamping force, the damage rate of the tabouret is effectively reduced, and the service life of the tabouret is prolonged.

Description

Be applied to two-way clamping device on embroidery machine

Technical Field

The utility model relates to an embroidery machine technical field, concretely relates to be applied to two-way clamping device on embroidery machine.

Background

The embroidery machine is an embroidery machine, or an embroidery machine. In the existing embroidery machine, usually, embroidery cloth is installed on an embroidery frame, the embroidery frame is fixed on a support plate of the embroidery machine through screws, and after embroidery is completed, the embroidery frame is detached and replaced with a new embroidery frame.

Patent document No. CN211498080U discloses an embroidery machine clamping device, which includes a fixing base, a driving mechanism, a clamping frame connecting plate, a clamping frame arm, and a clamping frame fixing plate; when the tabouret needs to be installed, the driving mechanism controls the frame clamping arms to be opened to the preset positions towards two sides, one end of the tabouret is clamped on the frame clamping connecting plate, the driving mechanism controls the frame clamping connecting plate to move inwards, the frame clamping fixing plate clamps the tabouret, and the tabouret is clamped on the frame clamping connecting plate and the frame clamping fixing plate.

However, the holding device is not provided with an tabouret holding force detection structure, the holding force for holding the tabouret cannot be judged, the holding device cannot stop the holding frame fixing plate according to the holding force, and therefore when the tabouret is held, the motor of the driving mechanism can always output power to drive the holding frame fixing plate to clamp the tabouret, the holding force for holding the tabouret is too large, and the phenomenon that the tabouret is damaged by clamping is easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a be applied to two-way clamping device on embroidery machine.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a be applied to two-way clamping device on embroidery machine, includes the base, install actuating mechanism on the base, drive two centre grippings or two arm lock of releasing the tabouret by actuating mechanism, its characterized in that: each clamping arm is provided with a clamping groove for inserting the end part of the tabouret and a positioning notch correspondingly communicated with the clamping groove, the left end and the right end of the tabouret can be movably inserted into the clamping grooves of the two clamping arms respectively, and the top of the tabouret is provided with a positioning shaft for matching and positioning with the positioning notch; and a pressure sensor for detecting the clamping force of the clamping arm for clamping the embroidery frame is arranged on one clamping arm, and the pressure sensor and the driving mechanism are jointly connected with a control device.

In the utility model, the driving mechanism comprises a bidirectional screw rod, a linear guide rail and a motor component, two supporting seats are arranged on the base, and two ends of the linear guide rail are respectively connected with the two supporting seats; two ends of the bidirectional screw are respectively and rotatably connected with the two supporting seats through bearings, a positive tooth moving seat is sleeved on a positive tooth section of the bidirectional screw in a threaded manner, and a negative tooth moving seat is sleeved on a negative tooth section in a threaded manner; the orthodontic moving seat and the anti-orthodontic moving seat are connected with the linear guide rail in a guiding way, and the two clamping arms are respectively arranged on the orthodontic moving seat and the anti-orthodontic moving seat; the motor assembly is arranged on one of the supporting seats and is in transmission connection with the bidirectional screw.

The utility model discloses in, the orthodontic removes and all is equipped with the first connecting hole that is used for connecting the arm lock on the seat is removed with anti-tooth to the seat, first connecting hole alternates has the first bolt of connecting fixed arm lock.

The utility model discloses in, motor element is including installing the base on the supporting seat, installing the speed reducer on the base, installing the driving motor on the speed reducer, the output shaft of speed reducer passes through the one end fixed connection of shaft coupling and two-way screw rod, driving motor's output shaft is connected with the input transmission of speed reducer, driving motor is connected with the controlling means electricity.

The utility model discloses in, be equipped with the light weight recess on the arm lock.

The utility model discloses in, be equipped with the installation through-hole in the arm lock, pressure sensor is connected with the installation through-hole and its sense terminal stretches into the centre gripping inslot.

The utility model has the advantages that: the utility model discloses a be equipped with pressure sensor on one of them arm lock, detect the centre gripping dynamics of centre gripping tabouret, when pressure sensor detected the centre gripping dynamics and reached the scope of setting for, controlling means control actuating mechanism stops the action, makes clamping device keep the centre gripping dynamics of current centre gripping tabouret to avoid the too big bad tabouret of clamp of centre gripping dynamics, effectively reduced the spoilage of tabouret, prolonged the life of tabouret.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a top view of the embroidery frame clamped by two clamping arms;

FIG. 3 is an enlarged view of I in FIG. 2;

FIG. 4 is a front view of the embroidery frame clamped by the two clamping arms;

FIG. 5 is an enlarged view of II of FIG. 4;

figure 6 is a front view of the clamp arm.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Referring to fig. 1-6, an embroidery machine clamping device comprises a base 1, a driving mechanism 2 installed on the base 1, and two clamping arms 3 driven by the driving mechanism 2 to clamp or release an embroidery frame 4, wherein each clamping arm 3 is provided with a clamping groove 31 for inserting the end of the embroidery frame 4, and when the embroidery frame 4 is clamped, the left end and the right end of the embroidery frame 4 can be movably inserted into the clamping grooves 31 of the two clamping arms 3 respectively, so that the embroidery frame 4 is not easily separated from the clamping arms 3. One of the clamping arms 3 is provided with a pressure sensor 5 for detecting the clamping force of the clamping arm 3 for clamping the embroidery frame 4, and the pressure sensor 5 and the driving mechanism 2 are jointly connected with a control device; when the driving mechanism 2 controls the two clamping arms 3 to move oppositely to clamp the tabouret 4, the pressure sensor 5 detects the clamping force of the clamping arms 3 on the tabouret 4 in real time and transmits the clamping force to the control device, and when the clamping force reaches the set range, the control device closes the driving mechanism 2, so that the tabouret 4 is prevented from being damaged by the overlarge clamping force.

As a preferred embodiment, the driving mechanism 2 includes a bidirectional screw 21, a linear guide 22, and a motor assembly, two supporting seats 23 are provided on the base 1, and two ends of the linear guide 22 are respectively connected to the two supporting seats 23; two ends of the bidirectional screw 21 are respectively rotatably connected with two supporting seats 23 through bearings, a positive tooth moving seat 24 is sleeved on a positive tooth section of the bidirectional screw 21 in a threaded manner, and a negative tooth moving seat 25 is sleeved on a negative tooth section in a threaded manner; the orthodontic moving seat 24 and the anti-orthodontic moving seat 25 are connected with the linear guide rail 22 in a guiding way, and the two clamping arms 3 are respectively arranged on the orthodontic moving seat 24 and the anti-orthodontic moving seat 25; the motor assembly is mounted on one of the support seats 23 and is in transmission connection with the bidirectional screw 21, so as to drive the bidirectional screw 21 to rotate, and the orthodontic movable seat 24 and the anti-orthodontic movable seat 25 can move towards or away from each other.

In the above structure, the orthodontic movable seat 24 and the anti-orthodontic movable seat 25 are both provided with a first connection hole 201 for connecting the clamping arm 3, the first connection hole 201 is inserted with a first bolt for connecting the fixed clamping arm 3, so that the two clamping arms 3 are respectively and fixedly mounted on the orthodontic movable seat 24 and the anti-orthodontic movable seat 25 through the first bolt.

In a preferred embodiment, the motor assembly includes a base 26 mounted on the supporting base 23, a speed reducer 27 mounted on the base 26, and a driving motor 28 mounted on the speed reducer 27, an output shaft of the speed reducer 27 is fixedly connected to one end of the bidirectional screw 21 through a coupling 29 to realize transmission, and the speed reducer 27 reduces the rotation speed of the bidirectional screw 21 to avoid the embroidery frame 4 from being damaged due to the excessively high speed of the two clamping arms 3 moving toward each other. An output shaft of the driving motor 28 is in transmission connection with an input end of the speed reducer 27, and the driving motor 28 is electrically connected with the control device and is controlled by the control device to work.

In a preferred embodiment, the bottom surface of the holding groove 31 is a holding surface 33 for holding and supporting the embroidery frame 4, the top surface is a holding inclined surface 34 for pressing the embroidery frame 4 against the holding surface 33, the bottom surface of the embroidery frame 4 is a fitting plane capable of fitting the holding surface 33, a fitting inclined surface 41 for slidably fitting the holding inclined surface 34 is provided on the top of the embroidery frame 4, and the fitting plane of the embroidery frame 4 can be fitted to the holding surface 33 by fitting the fitting inclined surface 41 to the holding inclined surface 34.

In a preferred embodiment, the arm 3 is provided with a light-weight groove 32, the light-weight groove 32 is provided on a side of the arm 3 away from the clamp groove 31, and the light-weight groove 32 is used to reduce the overall weight of the arm 3 and reduce the load on the drive mechanism 2. Be equipped with the installation through hole with centre gripping groove 31 intercommunication on the arm lock 3, pressure sensor 5 is connected with the installation through hole and its sense terminal stretches into in the centre gripping groove 31, and pressure sensor 5's sense terminal can be supported on tabouret 4's cooperation inclined plane 41 to detect the centre gripping dynamics, also can support on tabouret 4's vertical plane 42, thereby detect the centre gripping dynamics, specifically can be according to actual setting and decide.

In addition, for the convenience of wiring, two ends of the installation through hole are respectively communicated with the clamping groove 31 and the light-weight groove 32, the cable on the pressure sensor 5 can be arranged in the light-weight groove 32 so as to be connected with the control device through the cable on the pressure sensor 5, and at this time, the detection end of the pressure sensor 5 is matched with the vertical plane 42 of the tabouret 4 to detect the clamping force, as shown in fig. 4. The control device is not shown in the attached drawings, the control device at least comprises a controller and a control panel, the pressure sensor 5, the driving motor 28 and the control panel are all connected with the controller, and the controller can be a PLC (programmable logic controller) controller.

As the preferred embodiment, be convenient for tabouret 4 to fix a position on arm lock 3, all be equipped with the location breach 35 that corresponds intercommunication centre gripping groove 31 on the upper end of every arm lock 3, the top of tabouret 4 is equipped with the location axle 6 that is used for cooperating the location with location breach 35, and when needing to press from both sides tabouret 4, the staff can make location axle 6 location cooperation in location breach 35 earlier, then presss from both sides tabouret 4 through two arm locks 3, and is simple quick.

In this embodiment, the positioning notch 35 includes a positioning fitting hole 351 for fitting and positioning the positioning shaft 6, and a positioning inlet 352 for inserting the positioning shaft 6 into the positioning fitting hole 351, the positioning inlet 352 is communicated with the positioning fitting hole 351, and the positioning inlet 352 is in a trumpet shape, so that the positioning shaft 6 can enter and exit the positioning notch 35 from the fast speed. In order to facilitate the positioning shaft 6 to withdraw from the positioning matching opening 351, the caliber B of the positioning matching opening 351 is 0.4-1.5mm larger than the diameter A of the positioning shaft 6, so that the positioning shaft 6 can rapidly enter and exit the positioning matching opening 351, and the difference between the two sizes is small, thereby not having great influence on the positioning quality of the embroidery frame 4.

In this embodiment, the lower end of the positioning shaft 6 is provided with a screw section, the tabouret 4 is provided with a matching screw hole for matching with the screw section, and the screw section is in threaded fit in the matching screw hole, so that the positioning shaft 6 is fixed on the tabouret 4.

In the embodiment, the base 1 is composed of a bottom plate 11 and a vertical plate 12 which are connected in an L shape, the bottom plate 11 is provided with a connecting through hole 13 for connecting an embroidery machine workbench, and the supporting seat 23 is installed on the front side surface of the vertical plate 12 through bolts; a plurality of reinforcing ribs 14 are arranged between the bottom plate 11 and the vertical plate 12 and used for improving the stability and the structural strength of the base 1.

When the tabouret 4 needs to be installed on an embroidery machine, the driving mechanism 2 controls the two clamping arms 3 to move back and forth for a certain distance, the distance can be set through the control device, a worker puts the tabouret 4 between the two clamping arms 3, then the driving mechanism 2 controls the two clamping arms 3 to move towards each other, so that the tabouret 4 is clamped by the two clamping arms 3, and the control device controls the driving motor 28 to stop working and self-lock when the pressure sensor 5 senses that the clamping force reaches the set range, so that the clamping work of the tabouret 4 is completed, and the tabouret 4 is effectively prevented from being damaged by the two clamping arms 3; after finishing embroidering, the driving mechanism 2 controls the two clamping arms 3 to move back and forth for a certain distance, and the embroidery frame 4 is released.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The utility model provides a be applied to two-way clamping device on embroidery machine, includes base (1), installs actuating mechanism (2) on base (1), drives two centre grippings or two arm lock (3) of releasing tabouret (4) by actuating mechanism (2), its characterized in that: each clamping arm (3) is provided with a clamping groove (31) for inserting the end part of the tabouret (4) and a positioning notch (35) correspondingly communicated with the clamping groove (31), the left end and the right end of the tabouret (4) can be movably inserted into the clamping grooves (31) of the two clamping arms (3) respectively, and the top of the tabouret (4) is provided with a positioning shaft (6) for being matched and positioned with the positioning notch (35); one clamping arm (3) is provided with a pressure sensor (5) for detecting the clamping force of the clamping arm (3) for clamping the embroidery frame (4), and the pressure sensor (5) and the driving mechanism (2) are jointly connected with a control device.

2. The bidirectional clamping device applied to the embroidery machine according to claim 1, wherein: the driving mechanism (2) comprises a bidirectional screw rod (21), a linear guide rail (22) and a motor assembly, two supporting seats (23) are arranged on the base (1), and two ends of the linear guide rail (22) are respectively connected with the two supporting seats (23); two ends of the bidirectional screw (21) are respectively and rotatably connected with the two supporting seats (23) through bearings, a positive tooth moving seat (24) is sleeved on a positive tooth section of the bidirectional screw (21) in a threaded manner, and a negative tooth moving seat (25) is sleeved on a negative tooth section in a threaded manner; the orthodontic moving seat (24) and the anti-orthodontic moving seat (25) are connected with the linear guide rail (22) in a guiding manner, and the two clamping arms (3) are respectively arranged on the orthodontic moving seat (24) and the anti-orthodontic moving seat (25); the motor component is arranged on one support seat (23) and is in transmission connection with the bidirectional screw rod (21).

3. The bidirectional clamping device applied to the embroidery machine according to claim 2, wherein: the orthodontic movable seat (24) and the anti-orthodontic movable seat (25) are provided with first connecting holes (201) used for connecting the clamping arms (3), and first bolts for connecting the fixed clamping arms (3) are inserted into the first connecting holes (201).

4. The bidirectional clamping device applied to the embroidery machine according to claim 2, wherein: the motor assembly comprises a base (26) installed on the supporting seat (23), a speed reducer (27) installed on the base (26), and a driving motor (28) installed on the speed reducer (27), wherein an output shaft of the speed reducer (27) is fixedly connected with one end of the bidirectional screw (21) through a coupler (29), an output shaft of the driving motor (28) is in transmission connection with an input end of the speed reducer (27), and the driving motor (28) is electrically connected with the control device.

5. The bidirectional clamping device applied to the embroidery machine according to claim 1, wherein: and a light-weight groove (32) is arranged on the clamping arm (3).

6. The bidirectional clamping device applied to the embroidery machine according to claim 1, wherein: and the clamping arm (3) is provided with a mounting through hole, the pressure sensor (5) is connected with the mounting through hole, and the detection end of the pressure sensor extends into the clamping groove (31).