CN213289964U

CN213289964U - Clamping device for roller box processing

Info

Publication number: CN213289964U
Application number: CN202021866220.XU
Authority: CN
Inventors: 杨海桐; 杨富强; 周涛
Original assignee: Njrx Machinery Manufacturing Co ltd
Current assignee: Njrx Machinery Manufacturing Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-28
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a clamping device of roller box processing, including the base and install fixed clamping part, the activity clamping part on the base, fixed clamping part forms the jaw that is used for holding workpiece with the activity clamping part, the activity clamping part is equipped with accommodate the lead screw, controls the displacement of activity clamping part in the perpendicular to direction of keeping silent, be provided with the steel ball on the pincers body of fixed clamping part and activity clamping part, this steel ball can be the certain angle rotation relatively pincers body, and the steel ball is located one side of keeping silent and is the plane, and this plane salient is in pincers mouthful face. The utility model discloses the clamping device's of roller box processing department of keeping silent is equipped with the steel ball in pairs that can angle regulation, can stabilize the work piece that the centre gripping shape is irregular, have defective face or have the deformation, especially has the roller box of deformation, makes things convenient for the follow-up processing of work piece to handle.

Description

Clamping device for roller box processing

Technical Field

The utility model relates to a clamping tool technical field, more specifically say, relate to a clamping device of roller box processing.

Background

A vise is a tool that uses a screw or other mechanism to move two jaws relative to each other to clamp a workpiece. The bench vice is arranged on the workbench and plays a role in clamping and fixing the workpiece when the workpiece is processed by sawing, filing and the like.

In the roller box processing production process, the roller box can take place certain deformation after the welding, need to process once more and eliminate the deformation, and the work piece that the general centre gripping shape of current ordinary bench vice is square, when work piece shape is irregular, the work piece has the breach or the work piece has the deformation, the condition that the vice centre gripping is not in place can appear to influence subsequent processing production.

Through retrieval, a vise is disclosed in the prior art (application No. 201410190999.0, application date: 2014 5/7), which discloses a vise for clamping a workpiece, comprising a clamping assembly for clamping the workpiece and a base assembly for mounting the clamping assembly and driving the clamping assembly to rotate, wherein the clamping assembly comprises: a guide rotatably secured to the base assembly; the first caliper body and the second caliper body are arranged on the guide rail and move back and forth along the guide rail; a screw mechanism which is mounted on one end of the guide rail and moves the first caliper body along the guide rail by abutting against the first caliper body when rotated; and install the other end at the guide rail to link to each other with the second pincers body, drive the slider-crank mechanism that the second pincers body moved through slider-crank, the base subassembly includes: the worm and gear mechanism is used for mounting the guide rail and driving the guide rail to rotate; and the base is used for mounting the worm gear mechanism.

The vice can realize the quick clamping and loosening work of the vice on the premise of simplifying the mechanism, and the vice can adjust the clamping direction of the workpiece. But for some irregular products with angles, especially deformed roller boxes, the roller boxes are difficult to directly clamp through a common bench vice, or can be further clamped after an auxiliary tool is needed to perform angle positioning, when the auxiliary tool is used for performing matched clamping, the positioning precision can be reduced, looseness can also be agreed to occur, and the effect needs to be further improved.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome the work piece of bench vice among the prior art to some non-regular shapes, especially deposit the roller box that warp and be difficult to effective centre gripping not enough, provide a clamping device of roller box processing, its department of keeping silent is equipped with the steel ball that can angle regulation in pairs, the centre gripping of adaptation part non-regular work piece that can be better makes things convenient for the follow-up processing of work piece to handle.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a clamping device of roller box processing, including the base and install fixed clamping part, the activity clamping part on the base, fixed clamping part forms the jaw that is used for holding workpiece with the activity clamping part, the activity clamping part is equipped with accommodate the lead screw, controls the displacement of activity clamping part in the perpendicular to direction of keeping silent, be provided with the steel ball on the pincers body of fixed clamping part and activity clamping part, this steel ball can be vice body relatively and become certain angle rotation, and the steel ball is located one side of keeping silent and is the plane, and this plane is the clamping face of steel ball, and this clamping face salient is in the face of keeping silent.

As a further improvement, the clamp body of the fixed clamping part and the movable clamping part is provided with a jaw plate, the outer side surface of the jaw plate forms a jaw surface, and the hardness of the jaw plate is lower than the hardness of the workpiece to be processed.

As a further improvement, the jaw plate is connected with the clamp body through a bolt, and the jaw plate is made of copper or rubber.

As a further improvement of the utility model, the jaw plate is of an integral structure, and a through hole is arranged at the middle part of the jaw plate and used for coating and containing the steel ball.

As a further improvement of the utility model, a protection pad made of elastic material is arranged between the jaw plate and the steel ball.

As a further improvement, the fixed clamping part comprises a fixed clamp body, the movable clamping part comprises a movable clamp body, the fixed clamp body and the movable clamp body are provided with supporting holes, the supporting holes are located in the inner sides of the containing cavities of the steel balls, and the steel balls are partially located in the supporting holes.

As a further improvement, one side of the steel ball deviating from the clamping surface is provided with a stopper, and the stopper is positioned in the supporting hole.

As a further improvement of the utility model, a V-shaped groove is arranged on the clamping surface of the steel ball.

As a further improvement of the utility model, the clamping surfaces of the steel ball and the jaw plate are provided with carved patterns.

As a further improvement of the utility model, a track groove matched with the movable clamping part is arranged on the base.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model relates to a clamping device of roller box processing, its department of keeping silent is equipped with the steel ball that can angle regulation in pairs, and the steel ball can be when the centre gripping work piece angle of adjustment in order to form the centre gripping to the special angle of work piece, when the work piece in the face of having irregular shape or having the deformation, can adapt to the work piece centre gripping better and do not take place to rock, makes things convenient for the follow-up processing of work piece to handle.

(2) The utility model discloses still be provided with the supported hole on the inboard that holds the chamber of steel ball, the supported hole has reduced the steel ball and has held the partial friction in chamber, can make the steel ball fix a position fast when the centre gripping work piece to realize the support to the steel ball when the centre gripping, avoid the slip dislocation of steel ball.

(3) The utility model discloses a clamping device has used soft jaw plate centre gripping work piece, can form certain parcel protection to the work piece, avoids work piece and clamping device collision to cause the damage, adopts the clamping device of whole plate structure of keeping silent simultaneously, can also avoid causing the hindrance to the steel ball rotation because of the iron fillings debris entering tong body of follow-up course of working hold the chamber, and structural design is reasonable, and the principle is simple, convenient to popularize and use.

Drawings

Fig. 1 is a schematic top view of the clamping device of the present invention;

fig. 2 is a schematic sectional view of the clamping device of the present invention;

FIG. 3 is a schematic cross-sectional view of another embodiment of a clamping device;

FIG. 4 is a steel ball with a stop block;

fig. 5 is a steel ball with a V-shaped groove.

The reference numerals in the schematic drawings illustrate:

10. a fixed clamping part; 11. fixing the clamp body; 20. a movable clamping part; 21. a movable clamp body; 30. a base; 31. a support; 40. a jaw plate; 50. a steel ball; 51. a clamping surface; 52. a limiting block; 53. a V-shaped groove; 60. adjusting the screw rod; 61. a stop pin; 70. and a support hole.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, proportion, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention has no technical essence, and any structural modification, proportion relation change or size adjustment should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.

Example 1

With reference to fig. 1 and 2, the clamping device for roller box processing of the present embodiment includes a base 30, and a fixed clamping portion 10 and a movable clamping portion 20 mounted on the base 30, where the fixed clamping portion 10 and the movable clamping portion 20 are mounted on the base 30 in parallel to form a jaw for clamping a workpiece. The fixed clamping part 10 is fixedly arranged on the base 30, can be of an integral structure with the base and does not move in the clamping process; the movable clamping part 20 is slidably arranged on the base 30, for example, a guide rail is arranged on the base 30, a sliding groove is arranged on the movable clamping part 20, and the sliding limit of the movable clamping part is realized through the matching of the sliding groove and the sliding rail. The end of the movable clamping part 20 is also provided with a bracket protruding upwards, the bracket is connected with an adjusting screw rod 60 through threads, the inner end of the adjusting screw rod 60 is connected with the caliper body of the movable clamping part 20, and the adjusting screw rod can rotate in the circumferential direction. The adjusting screw rod 60 controls the displacement of the movable clamping part 20 in the direction perpendicular to the jaw direction, so that the movable clamping part can move on the base 30 in the horizontal direction, and the function of clamping a workpiece by closing the jaw is realized.

The main body of the fixed clamping part 10 is a fixed caliper body 11, and the fixed caliper body 11 is fixedly arranged on a base 30 and can be integrated with the base 30; the main body of the movable clamping part 20 is a movable caliper body 21, the movable caliper body 21 is movably mounted on the base 30, for example, a guide rail is arranged on the base 30, a sliding groove is arranged on the movable caliper body 21, and the sliding limit of the movable caliper body is realized by the matching of the sliding groove and the sliding rail, so that the size of the jaw is controlled.

The jaw bodies of the fixed clamping part 10 and the movable clamping part 20 are provided with accommodating cavities at jaw ends for installing the steel balls 50, and the accommodating cavities are arranged to be spherical according to the shapes of the steel balls 50 and used for clamping and installing the steel balls 50 on the fixed jaw body 11.

The steel balls 50 with adjustable angles are arranged at the jaw of the clamping device for processing the roller box in pairs, and the steel balls 50 are clamped and installed in the accommodating cavity of the clamp body. One side of the steel ball 50, which is positioned on the jaw, is a plane and serves as a clamping surface 51, and the clamping surface 51 is arranged to protrude out of the jaw surface, so that the steel ball 50 can be positioned in a rotating manner when in use. The steel ball 50 is preferably mounted in the middle of the caliper body to ensure balance when the clamping device clamps the workpiece.

The steel ball 50 can be adjusted in angle to form a special angle clamping effect on the workpiece when clamping the workpiece, and can better adapt to workpiece clamping without shaking when facing the workpiece with an irregular shape, so that the subsequent processing of the workpiece is facilitated.

Example 2

Preferably, in this embodiment, the jaw plate 40 is provided on the body of the fixed clamping portion 10 and the movable clamping portion 20, and is connected to the body by a bolt, and the outer side surface of the jaw plate 40 forms a jaw surface. In the present embodiment, the jaw plate 40 is a soft jaw plate, and is made of a material having a hardness lower than that of the workpiece to be processed, and may be a low-hardness metal such as copper, or an elastic material such as rubber. The flexible jaw plate has the advantages that the flexible jaw plate has good wrapping performance on a workpiece, plays a role in protecting the workpiece in subsequent processing operation, avoids collision between the workpiece and a clamp body of a clamping device, and can avoid damage to the workpiece when the workpiece with lower clamping hardness or higher surface roughness requirement is clamped.

As shown in fig. 3, the jaw plate 40 may be an independent structure of two upper and lower plates, a space is left between the two plates for accommodating one end of the steel ball 50 protruding out of the jaw body, and the clamping surface 51 of the steel ball 50 protrudes out of the plane of the jaw plate 40, so that the jaw plate 40 in this form can facilitate the installation and detachment of the steel ball.

As an improvement, the jaw plate 40 of the present embodiment is designed as an integral structure, and a through hole is formed in the middle, and the through hole is attached to the outer contour of the steel ball 50 and used for covering and accommodating the steel ball 50. The jaw plate 40 with the integral structure can wrap the part, protruding out of the jaw body, of the steel ball 50, so that the effect of sealing the periphery of the steel ball 50 is achieved, and further, the phenomenon that the rotation of the steel ball 50 is influenced due to the fact that impurities such as scrap iron and the like in the subsequent machining process enter the jaw body accommodating cavity is prevented.

In this embodiment, a pad for protecting the steel ball 50 may be disposed between the jaw plate 40 and the steel ball 50, and the pad may be made of a material softer than the jaw plate 40, such as sponge. The protection pad is arranged in the gap between the jaw plate 40 and the steel ball 50 to partially wrap the steel ball 50, and the protection pad is fixedly connected with the jaw plate 40 and can be connected in a bonding mode, for example.

Example 3

The present embodiment optimizes the mounting of the steel ball 50 on the fixed clamping portion and the movable clamping portion. The pliers body is further provided with a support hole 70, and the support hole 70 is positioned on the inner side of the accommodating cavity of the steel ball, namely the bottom of the accommodating cavity relative to the direction of the jaw. The steel ball 50 is partially positioned in the support hole 70 while being fitted in the receiving cavity. When the steel ball 50 clamps a workpiece, the part of the steel ball 50 positioned in the support hole 70 has no friction and can rotate freely, so that the steel ball 50 can rotate and be positioned conveniently, and the part of the steel ball 50 positioned in the hole is clamped by the support hole 70, so that the steel ball 50 is supported, and the steel ball 50 is prevented from rotating and dislocating in the process of clamping the workpiece.

In this embodiment, the cambered surface of the steel ball 50 is larger than the hemispherical cambered surface with the same radius size. The farther the position of the clamping surface 51 of the steel ball from the axis is, the smaller the clamping surface 51 becomes, but the more the portion of the steel ball located in the accommodating chamber becomes, the more stable the mounting of the steel ball 51 becomes, and the larger the angle by which the clamping surface 51 can be rotated becomes. In order to prevent the clamping surface 51 from being too small, and to allow for stable mounting of the steel ball 50 and a range of rotation angles, the clamping surface 51 is preferably slightly smaller than the hemispherical surface of the steel ball 50.

As a further improvement, as shown in fig. 4, a limiting block 52 is disposed on a side of the steel ball 50 away from the clamping surface 51, and the limiting block 52 is located in the supporting hole 70 along with the installation of the steel ball 50 on the caliper body, and is used for limiting the rotation angle of the steel ball 50. When the rotation angle of the steel ball 50 is increased to the upper limit, the limiting block 52 contacts with the supporting hole wall to prevent the steel ball 50 from continuing to rotate, so that the effect of limiting the rotation angle of the steel ball 50 within a certain range is achieved.

In order to clamp some irregular workpieces with edges, as shown in fig. 5, the present embodiment is provided with V-shaped grooves 53 on the steel ball clamping surface 51. The V-shaped groove 53 is formed in the middle of the clamping face 51, and during clamping, edges and corners of irregular workpieces are clamped in the V-shaped groove 53, so that the problem that the workpieces with the edges and corners are clamped by a common plane jaw can be solved, and mutual damage between the edges and corners of the workpieces and the jaw plate 40 is reduced.

The clamping surface 51 of the steel ball 50 in this embodiment is provided with a sculpture to increase the friction when clamping a workpiece. The sculpture can be a regular strip line. Similarly, the jaw face of the jaw plate 40 may be textured to increase the friction when gripping a workpiece.

Example 4

In the embodiment, the head of the adjusting screw rod 60 is provided with an annular pin groove which takes the axis of the screw rod as the center, the stop pin 61 is perpendicular to the upper end of the movable vice body and is inserted through the corresponding pin hole of the movable vice body, and the head of the stop pin is arranged in the annular pin groove of the adjusting screw rod 60, so that the axial positioning effect of the adjusting screw rod 60 is achieved, and the circumferential rotation of the adjusting screw rod which takes the axis as the center is ensured.

In the present embodiment, a rotary handle is provided at the rear end of the adjusting screw 60, and the rotary handle may be a wheel-shaped rotary handle or a rod-shaped rotary handle for rotating the adjusting screw 60. The adjusting screw rod 60 can also be driven to rotate by a motor, and a rotating handle is not required to be arranged on the adjusting screw rod 60. When the motor is used for driving rotation, the rotating speed of the motor needs to be limited, damage to workpiece clamping caused by too high rotating speed of the motor is avoided, and a slow motor or a servo motor can be selected.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a clamping device of roller box processing, includes base (30) and installs fixed clamping part (10), activity clamping part (20) on the base, and fixed clamping part (10) form the keeping silent that is used for centre gripping work piece with activity clamping part (20), activity clamping part (20) are equipped with accommodate the lead screw (60), control activity clamping part (20) in the displacement of perpendicular to direction of keeping silent, its characterized in that: the steel ball (50) is arranged on the clamp body of the fixed clamping part (10) and the movable clamping part (20), the steel ball (50) can rotate at a certain angle relative to the clamp body, one side, located on the jaw, of the steel ball (50) is a plane, the plane is a clamping surface (51) of the steel ball (50), and the clamping surface (51) protrudes out of the jaw surface.

2. The clamping device for roller box processing according to claim 1, wherein: the clamp body of the fixed clamping part (10) and the movable clamping part (20) is provided with a jaw plate (40), the outer side surface of the jaw plate (40) forms a jaw surface, and the hardness of the jaw plate (40) is lower than that of a workpiece to be processed.

3. The clamping device for roller box processing according to claim 2, wherein: the jaw plate (40) is connected with the jaw body through a bolt, and the jaw plate (40) is made of copper or rubber.

4. The clamping device for roller box processing according to claim 2, wherein: the jaw plate (40) is of an integral structure, and a through hole is formed in the middle of the jaw plate and used for wrapping and containing the steel ball (50).

5. The clamping device for roller box processing according to claim 2, wherein: a protection pad made of elastic materials is arranged between the jaw plate (40) and the steel ball (50).

6. The clamping device for roller box processing according to claim 1, wherein: the fixed clamping part (10) comprises a fixed caliper body (11), the movable clamping part (20) comprises a movable caliper body (21), the fixed caliper body (11) and the movable caliper body (21) are provided with support holes (70), the support holes (70) are located on the inner side of an accommodating cavity of the steel ball, and the steel ball (50) is partially located in the support holes (70).

7. The clamping device for roller box processing according to claim 6, wherein: one side of the steel ball (50) departing from the clamping surface (51) is provided with a limiting block (52), and the limiting block (52) is positioned in the support hole (70).

8. The clamping device for roller box processing according to claim 6, wherein: and a V-shaped groove (53) is formed on the clamping surface (51) of the steel ball (50).

9. The clamping device for roller box processing according to claim 6, wherein: the clamping surfaces of the steel ball (50) and the jaw plate (40) are provided with carved patterns.

10. The clamping device for roller box processing according to claim 1, wherein: the base (30) is provided with a track groove matched with the movable clamping part (20).