Automatic clamping device

Abstract

The utility model discloses an automatic clamping device which comprises an installation supporting plate, a lifting mechanism and a rotating mechanism are arranged on the installation supporting plate, an automatic chuck is arranged on the lifting mechanism, and the rotating mechanism comprises a sleeve movably arranged on the installation supporting plate through a bearing and a servo gear motor installed on the installation supporting plate. A driven gear is fixed to the upper end of the sleeve, a limiting barrel is fixed to the lower end of the sleeve, a plurality of guide strips are arranged on the inner side wall of the limiting barrel in an annular array mode, and an electric air cylinder of a lifting mechanism drives a guide rod to ascend and descend to achieve vertical movement of the automatic chuck. A servo gear motor of the rotating mechanism drives a driven gear and a sleeve to rotate through a toothed belt, then a guide rod and an automatic chuck are made to rotate, and the requirement for multi-angle and multi-position clamping of an object under different working conditions is met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to and automation equipment technical field, and specifically relates to an automatic clamping device. BACKGROUND

[0002] In modern industrial production, the automatic clamping device is widely used in material handling, assembly and other links. The traditional clamping device has a single function, and usually can only realize simple clamping and placing actions, and it is difficult to meet the demand of multi-angle and multi-position clamping of objects under complex working conditions. Some clamping devices have poor stability during lifting and rotating, resulting in low clamping precision, affecting production efficiency and product quality. Therefore, it is urgent to design a new type of automatic clamping device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0003] To solve the problems in the background art, the utility model provides an automatic clamping device, which realizes the lifting and rotating functions of the automatic chuck through the cooperative work of the lifting mechanism and the rotating mechanism, can meet the multi-angle and multi-position clamping demand of objects under different working conditions, and improves the stability, protection and shock absorption performance of the device.

[0004] An automatic clamping device, comprising a mounting plate, a lifting mechanism and a rotating mechanism are arranged on the mounting plate, and an automatic chuck is arranged on the lifting mechanism.

[0005] Further, the rotating mechanism comprises a sleeve movably arranged on the mounting plate through a bearing, and a servo reduction motor mounted on the mounting plate. A driven gear is fixed to the upper end of the sleeve, and a limiting cylinder is fixed to the lower end of the sleeve. A plurality of guide bars are arranged in an annular array on the inner wall of the limiting cylinder. The output shaft of the servo reduction motor is fixed with a driving gear, and the driving gear and the driven gear are connected by a toothed belt.

[0006] Further, the lifting mechanism comprises an electric cylinder fixed on the mounting plate. The top end of the piston rod of the electric cylinder is fixed with a guide rod through a support plate. A plurality of guide grooves are arranged in an annular array on the outer wall of the guide rod, and the number of the guide grooves is the same as that of the guide bars. The bottom end of the guide rod is fixedly connected with the automatic chuck. The guide rod is inserted into the inside of the driven gear, the sleeve and the limiting cylinder, and the guide bars on the inner wall of the limiting cylinder are clamped in the guide grooves of the guide rod.

[0007] Further, the automatic chuck comprises a chuck mounting seat fixed to the bottom end of the guide rod. Two clamping jaws are symmetrically arranged on the chuck mounting seat, and each clamping jaw is driven to open and close by a driving cylinder.

[0008] Further, a protective shell is arranged outside the toothed belt. The protective shell is fixed on the mounting plate to protect the toothed belt from external debris.

[0009] Further, two groups of deep groove ball bearings are arranged between the sleeve and the mounting plate, and are arranged on the upper and lower sides of the driven gear respectively, so that the stability of the rotation of the sleeve is improved.

[0010] Further, the cross section of the guide rod is in a trapezoidal structure, and the shape of the guide groove is matched with the guide rod, so that the connection strength and the guiding accuracy between the guide rod and the limiting cylinder are improved.

[0011] Further, a limiting block is arranged at the bottom end of the limiting cylinder, and the limiting block is used for limiting the maximum distance of the downward movement of the guide rod, so that the automatic chuck is prevented from being out of the normal working range.

[0012] Further, the servo reduction motor is mounted on the mounting plate through a damping pad, and the damping pad is used for reducing the influence of the vibration generated during the operation of the servo reduction motor on the whole device.

[0013] Compared with the prior art, the device has the following beneficial effects:

[0014] The guide rod is driven to lift by the electric cylinder of the lifting mechanism, so that the upward and downward movement of the automatic chuck is realized; the servo reduction motor of the rotating mechanism drives the driven gear and the sleeve to rotate through the toothed belt, so that the guide rod and the automatic chuck are rotated, and the demand for the multi-angle and multi-position clamping of objects under different working conditions is met. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0016] Figure 1 is a structural schematic view of the present application;

[0017] Figure 2 is a structural schematic view of the internal structure of the present application;

[0018] Figure 3 is a structural schematic view of the rotating mechanism of the present application;

[0019] Figure 4 is a structural schematic view of the rotating mechanism of the present application;

[0020] Figure 5 is a structural schematic view of the lifting mechanism of the present application;

[0021] In the drawings:

[0022] The mounting plate 1, the lifting mechanism 2, the electric cylinder 21, the supporting plate 22, the guide rod 23, the guide groove 24, the rotating mechanism 3, the sleeve 31, the servo reduction motor 32, the driven gear 33, the limiting cylinder 34, the guide strip 35, the driving gear 36, the toothed belt 37, and the automatic chuck 4 are installed. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] As shown in the figure. Figures 1-5

[0026] An automatic clamping device.

[0027] In the embodiment: to solve the technical problems existing in the prior art, as disclosed in the background art above, "the traditional clamping device has a single function, and can usually only realize simple clamping and placing actions, and it is difficult to meet the demand for multi-angle and multi-position clamping of objects under complex working conditions. Some clamping devices have poor stability during lifting and rotating, resulting in low clamping precision, affecting production efficiency and product quality", in combination with actual use, this problem is obviously a real problem and is relatively difficult to solve. Therefore, to solve this technical problem, an automatic clamping device is provided on this basis.

[0028] As shown in the figure. Figures 1-5

[0029] ​​In combination with the above, the installation support plate 1 is provided with a lifting mechanism 2 and a rotating mechanism 3, the lifting mechanism 2 is provided with an automatic clamp 4, the rotating mechanism 3 includes a sleeve 31 movably arranged on the installation support plate 1 through a bearing, and a servo reduction motor 32 installed on the installation support plate 1, the upper end of the sleeve 31 is fixed with a driven gear 33, the lower end is fixed with a limiting cylinder 34, the inner wall of the limiting cylinder 34 is arranged with a plurality of guide bars 35 in an annular array, the output shaft of the servo reduction motor 32 is fixed with a driving gear 36, the driving gear 36 and the driven gear 33 are connected through a toothed belt 37, the lifting mechanism 2 includes an electric cylinder 21 fixed on the installation support plate 1, the top end of the piston rod of the electric cylinder 21 is fixed with a guide rod 23 through a support plate 22, the outer wall of the guide rod 23 is annularly arranged with a plurality of guide grooves 24, the number of which is the same as that of the guide bars 35, the bottom end of the guide rod 23 is fixedly connected with the automatic clamp 4, the guide rod 23 is inserted into the inside of the driven gear 33, the sleeve 31 and the limiting cylinder 34, and the guide bars 35 on the inner wall of the limiting cylinder 34 are clamped in the guide grooves 24 of the guide rod 23.

[0030] The automatic clamp 4 includes a clamp mounting seat fixed at the bottom end of the guide rod 23, two clamping jaws are symmetrically arranged on the clamp mounting seat, and each clamping jaw is driven to open and close by a driving cylinder.

[0031] The outer side of the toothed belt 37 is provided with a protective shell fixed on the installation support plate 1 for protecting the toothed belt 37 from external debris interference.

[0032] Two groups of deep groove ball bearings are arranged between the sleeve 31 and the installation support plate 1, which are respectively located on the upper and lower sides of the driven gear 33 to improve the stability of the rotation of the sleeve 31.

[0033] The cross section of the guide bar 35 is a trapezoidal structure, and the shape of the guide groove 24 is matched with that of the guide bar 35, so as to enhance the connection strength and guiding accuracy between the guide rod 23 and the limiting cylinder 34.

[0034] A limiting block is arranged at the bottom end of the limiting cylinder 34, which is used to limit the maximum distance of downward movement of the guide rod 23, preventing the automatic clamp 4 from leaving the normal working range.

[0035] The servo reduction motor 32 is installed on the installation support plate 1 through a shock pad, which is used to reduce the influence of vibration generated by the operation of the servo reduction motor 32 on the whole device.

[0036] Device installation:

[0037] Fix the mounting plate on a suitable work platform, and make sure it is fixed firmly. Install the servo-reducer motor on the mounting plate, and place a shock-absorbing pad between the servo-reducer motor and the mounting plate to reduce the vibration of the motor during operation. Install the sleeve on the mounting plate through two sets of deep groove ball bearings, fix the driven gear on the upper end of the sleeve, fix the limiting cylinder on the lower end of the sleeve, and install an annular array of guide bars on the inner wall of the limiting cylinder. Install the driving gear on the output shaft of the servo-reducer motor, connect the driving gear and the driven gear through a toothed belt, and install a protective shell to protect the toothed belt. Install the electric cylinder on the mounting plate, fix the guide rod at the top end of the piston rod of the electric cylinder through the mounting plate, open the same number of guide slots as the guide bars on the outer wall of the guide rod, and insert the guide rod into the driven gear, the sleeve, and the limiting cylinder, so that the guide bars are clamped in the guide slots. Install the automatic clamp at the bottom end of the guide rod, symmetrically install two clamping jaws on the clamp mounting seat of the automatic clamp, and connect the driving cylinder to drive the clamping jaws to open and close. Install the limiting block at the bottom end of the limiting cylinder.

[0038] Working process:

[0039] When the object needs to be clamped, first, according to the position of the object, start the electric cylinder, and the piston rod of the electric cylinder is extended and retracted to drive the guide rod to move up and down along the guide bars of the limiting cylinder, so that the automatic clamp reaches the appropriate height position. Then, start the servo-reducer motor, and the output shaft of the servo-reducer motor drives the driving gear to rotate, and the power is transmitted to the driven gear through the toothed belt, the driven gear drives the sleeve and the limiting cylinder to rotate, and since the guide bars are clamped in the guide slots, the guide rod and the automatic clamp rotate accordingly, and the angle of the automatic clamp is adjusted to the appropriate angle. Finally, start the driving cylinder to drive the clamping jaws to close, and the object is clamped. When the object needs to be placed at a specified position, follow the reverse operation process, first adjust the angle and height of the automatic clamp, then start the driving cylinder to open the clamping jaws, and complete the placement of the object.

[0040] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An automated gripping device, characterized in that, The application relates to a device for automatically clamping and rotating a workpiece, which comprises a mounting plate (1), a lifting mechanism (2) and a rotating mechanism (3) arranged on the mounting plate (1), an automatic clamp (4) arranged on the lifting mechanism (2), a sleeve (31) movably arranged on the mounting plate (1) through a bearing, a servo deceleration motor (32) arranged on the mounting plate (1), a driven gear (33) fixed to the upper end of the sleeve (31), a limiting cylinder (34) fixed to the lower end of the sleeve (31), a plurality of guide bars (35) arranged in an annular array on the inner wall of the limiting cylinder (34), a driving gear (36) fixed to the output shaft of the servo deceleration motor (32), and a tooth belt (37) connecting the driving gear (36) and the driven gear (33).

2. The automated gripping device of claim 1, wherein, The automatic clamp (4) comprises a clamp mounting base fixed to the bottom end of the guide rod (23), two clamping jaws symmetrically arranged on the clamp mounting base, and each clamping jaw is driven to open and close by a driving cylinder.

3. The automated gripping device of claim 1, wherein: The tooth belt (37) is provided with a protective shell on the outer side, and the protective shell is fixed to the mounting plate (1) to protect the tooth belt (37) from external debris interference.

4. The automated gripping device of claim 1, wherein: Two groups of deep groove ball bearings are arranged between the sleeve (31) and the mounting plate (1), and the two groups of deep groove ball bearings are respectively arranged on the upper and lower sides of the driven gear (33) to improve the stability of the rotation of the sleeve (31).

5. The automated gripping device of claim 1, wherein: The cross section of the guide bar (35) is in a trapezoidal structure, and the shape of the guide groove (24) is matched with that of the guide bar (35), so that the connection strength and guiding precision between the guide rod (23) and the limiting cylinder (34) are enhanced.

6. The automated gripping device of claim 1, wherein: The bottom end of the limiting cylinder (34) is provided with a limiting block, which is used for limiting the maximum distance of downward movement of the guide rod (23) and preventing the automatic clamp (4) from deviating from the normal working range.

7. The automated gripping device of claim 1, wherein: The servo deceleration motor (32) is installed on the mounting plate (1) through a damping pad, and the damping pad is used for reducing the influence of the vibration generated during the operation of the servo deceleration motor (32) on the whole device.

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