CN214686631U

CN214686631U - Split type positive and negative installation radial adjustable clamping jaw

Info

Publication number: CN214686631U
Application number: CN202120525830.1U
Authority: CN
Inventors: 柯治成
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-13
Filing date: 2021-03-13
Publication date: 2021-11-12
Anticipated expiration: 2031-03-13

Abstract

A split type clamping jaw capable of being adjusted in the radial direction in positive and negative installation is divided into an upper part and a lower part. The lower half part of the device consists of a reference graduated scale, a lower jaw and a transitional connecting block, and the upper half part of the device consists of an upper jaw. The reference graduated scale is positioned on one side of the upper part of the lower jaw, and the top of the lower jaw and the bottom of the upper jaw are respectively provided with a lower jaw adjusting row tooth and an upper jaw adjusting row tooth which can be manually adjusted in the radial direction. The upper jaw of the jaw can be installed on the lower jaw in a forward and reverse direction, the left and right circular arcs of the upper jaw are different so as to match the inner diameter range of different workpieces, and the three jaws are installed on the three-finger pneumatic jaw in a group. The utility model discloses the disc class work piece of different diameters of adaptation is from the centering clamp tightly, can be applied to fields such as the last unloading transport of automatic trade. The device has the advantages of simple structure, good compatibility, convenient use, low cost and the like, and is widely applied to automation and other manufacturing enterprises.

Description

Split type positive and negative installation radial adjustable clamping jaw

Technical Field

The utility model relates to a radial adjustable jack catch of split type positive and negative installation, concretely relates to disc class work piece machinery hand claw class anchor clamps belongs to the automatic chemical industry clamping of robot technical field.

Background

At present, disc workpieces are various in types and different in inner diameter, and have the characteristics of small batch and multiple varieties along with the continuous increase of product diversification and customization requirements. The conventional gas claw can only be suitable for a workpiece with one inner diameter, the claw needs to be replaced during replacement, and an old claw is scrapped or converted into stock in a tool warehouse to be used next time. The inner diameter specification of the workpiece and the clamping jaws form a one-to-one corresponding relation in the traditional production mode, so that the clamping jaws are various in types, long in manufacturing period, high in cost, large in scrappage and high in management difficulty, and the requirements of modern manufacturing industry on automation and intellectualization cannot be met. In order to improve the universality and compatibility of the clamping jaws and reduce the material, installation and management costs, the clamping jaws which are radially adjustable and can be installed in the forward direction and the reverse direction are urgently needed, and the clamping jaws can be compatible with a large workpiece inner diameter range and can realize self-centering.

Disclosure of Invention

The utility model aims to provide a: the clamping jaw is designed in a split mode, is radially adjustable, can be installed in a forward direction and a reverse direction, and has a self-centering clamping function. The invention can replace a fixed type clamping jaw, greatly improves the compatible inner diameter range of the workpiece, reduces the time for replacing the clamping jaw and improves the production efficiency.

The utility model discloses realize that the technical scheme that above-mentioned purpose adopted is: the split type jaw capable of being adjusted in the radial direction in the positive and negative installation mode is composed of an upper half portion and a lower half portion. The method is characterized in that: a split type clamping jaw capable of being adjusted in the radial direction in positive and negative installation is divided into an upper part and a lower part. The lower half part of the device consists of a reference graduated scale, a lower jaw and a transitional connecting block, and the upper half part of the device consists of an upper jaw. The reference graduated scale is positioned on one side of the upper part of the lower jaw, and the top of the lower jaw and the bottom of the upper jaw are respectively provided with a lower jaw adjusting row tooth and an upper jaw adjusting row tooth which can be manually adjusted in the radial direction. The upper jaw of the jaw can be installed on the lower jaw in a forward and reverse direction, the left and right circular arcs of the upper jaw are different so as to match the inner diameter range of different workpieces, and the three jaws are installed on the three-finger pneumatic jaw in a group.

Has the advantages that: the utility model discloses an go up the jack catch and be equipped with slotted hole and lower jack catch screw hole fixed connection, go up the jack catch about the circular arc different in order to match the internal diameter scope of different work pieces. The inner diameter range of the applicable workpiece is phi 30-phi 90mm during forward installation, the inner diameter range of the applicable workpiece is phi 90-phi 160mm during reverse installation, and the upper clamping jaw and the lower clamping jaw can be fixed through two threaded hole positions all the time during radial movement to ensure the connection strength. The top of the lower clamping jaw is provided with 5 threaded holes for fixing, and one side surface of the lower clamping jaw is provided with a reference graduated scale for manual adjustmentAnd the whole time is referred to. The tooth pitch of the upper and lower claws is 1mm, and the angle is 60⁰And the tooth height is 0.87mm, which corresponds to the graduation line of the graduated scale, thus ensuring the radial precision during adjustment and realizing the synchronous radial movement of three groups of clamping jaws. The utility model discloses still have simple structure, convenient operation, advantage with low costs, can the wide application in automation and other manufacturing enterprises.

Description of the protection Range: the above-mentioned jack catch only does the utility model discloses a work piece internal diameter application scope to need not be in order to restrict the utility model discloses, the all are in the utility model discloses within the spirit and the principle, any modification, equivalent replacement, improvement etc. of doing all should be contained within the protection scope of the utility model.

Fig. 1 is a schematic diagram of the overall structure of the forward installation of the present invention.

Fig. 2 is a schematic diagram of the reverse installation general structure of the present invention.

Fig. 3 is a front view of the forward installation of the present invention.

Fig. 4 is a top view of the present invention in a forward installation.

Figure 5 is a cross-sectional view a-a of the present invention in a forward installation.

Figure 6 is a detail drawing of the tooth row and the graduated scale installed in the forward direction of the present invention.

Fig. 7 is a schematic assembly view of the forward mounting of the present invention.

Fig. 8 is an effect diagram of the forward installation of the utility model for grabbing the workpiece.

Fig. 9 is an effect diagram of the reverse installation of the utility model for grabbing the workpiece.

Shown in FIG. 1: 1. the device comprises an upper jaw, 2 a reference graduated scale, 3 a lower jaw and 4 a transition connecting block.

Shown in FIG. 5: 101. the device comprises an upper jaw long slot hole, 102 upper jaw row teeth, 201 lower jaw row teeth, 202 lower jaw top threaded holes, 203 lower jaw bottom threaded holes, 204 lower jaw bottom through holes, 301 transition connecting block left side through holes, 302 transition connecting block inner hexagonal cylinder head countersunk holes, 303 transition connecting block right side through holes.

Shown in FIG. 7: 501. three fingers are air claw, 502 is air claw finger, 503 is air claw finger back side thread hole, 504 is air claw finger front side thread hole.

Shown in FIG. 8: 601. the inner diameter of the disc workpiece is in the range of phi 30-phi 90 mm.

Shown in FIG. 9: 701. the inner diameter of the disc workpiece is in the range of phi 90-phi 160 mm.

Detailed Description

The socket head cap screw is used to fix the socket head cap screw to the rear threaded hole 503 of the air gripper finger 502 through the socket head cap countersunk hole 302 on the transition connection block 4.

A longer socket head cap screw is used to fix the front threaded hole 504 of the pneumatic claw finger through the lower claw bottom through hole 204 and the transition connecting block right through hole 303, and a shorter socket head cap screw is used to fix the lower claw bottom threaded hole 203 through the transition connecting block left through hole 301.

The transitional connecting block 4 and the lower jaw 3 are fixed to the other two air gripper fingers 502 of the three-finger air gripper 501 in the manner described above.

Three upper claws 1 are respectively placed on three lower claws 3 installed on the three-finger pneumatic claw 501, and the upper claw row teeth 102 are matched with the lower claw row teeth 201. The upper clamping jaw 1 is determined to be installed in the forward direction or the reverse direction according to the actual inner diameter of a workpiece, then the three clamping jaws 1 are manually adjusted in the radial direction according to the inner diameter value and the reference graduated scale 2, and finally two hexagon socket head cap screws are respectively fixed with the threaded holes 202 of the upper clamping jaw long slotted hole 101 and the lower clamping jaw 3.

Taking a workpiece object, ventilating the three-finger pneumatic claw 501 to clamp and loosen the workpiece, judging whether the three upper claws 1 need to be finely adjusted according to the actual effect, and locking the claws 1 according to the method.

During the process of replacing the workpiece, the six hexagon socket head cap screws of the long slotted holes 101 on the three upper clamping jaws 1 are unscrewed, and the operation is carried out according to the inner diameter value of the workpiece.

Claims

1. The utility model provides a radial adjustable jack catch of split type positive and negative installation which characterized in that: the jaw comprises an upper part and a lower part, the lower part of the jaw consists of a reference graduated scale (2), a lower jaw (3) and a transition connecting block (4), and the upper part of the jaw consists of an upper jaw (1); the left side and the right side of the upper part of the upper jaw (1) are provided with two different arc curved surfaces, the lower side of the upper jaw is provided with an upper jaw long slot hole (101) for installation, and the bottom of the upper jaw long slot hole is provided with an upper jaw tooth row (102) for radial adjustment; the reference graduated scale (2) is arranged on one side of the upper part of the lower jaw (3), and is provided with graduated lines (401); the top of the lower jaw (3) is provided with a lower jaw tooth row (201) and a lower jaw top threaded hole (202), and the bottom of the lower jaw is provided with a lower jaw bottom threaded hole (203) and a lower jaw bottom through hole (204); transition connecting block left side through hole (301) have been seted up in transition connecting block (4) left side, transition connecting block right side through hole (303) have been seted up on the right side, hexagonal cylinder head counter sink (302) in transition connecting block have been seted up near left side through hole (301) in addition.

2. The split front-to-back mounted radially adjustable jaw of claim 1, wherein: the left and right side arcs of the upper part of the upper jaw (1) are different, the arc design of the upper jaw takes the minimum workpiece inner diameter which can be covered in forward and reverse installation as a reference, and the arc of the upper jaw is clamped with the workpiece inner diameter in a line contact mode in clamping.

3. The split front-to-back mounted radially adjustable jaw of claim 1, wherein: the upper jaw row teeth (102) of the upper jaw (1) and the lower jaw row teeth (201) of the lower jaw (3) can be manually and radially adjusted, the tooth pitch of the two teeth is 1mm, and the tooth tops of the row teeth are aligned with the scale marks (401) of the reference scale (2), so that the manual adjustment is facilitated.

4. The split front-to-back mounted radially adjustable jaw of claim 1, wherein: the reference graduated scale (2) is kept consistent with the tooth pitch unit of the row of teeth by taking mm as a unit.

5. The split front-to-back mounted radially adjustable jaw of claim 1, wherein: the transition connecting block (4) is provided with a left through hole (301), a right through hole (303) and an inner hexagonal cylinder head counter bore (302), and the lower clamping jaw (3) is locked with the fingers (502) of the three-finger pneumatic jaw (501) through the transition connecting block (4).