CN219925823U

CN219925823U - Two-stage clamping mechanism for equipment clamping and extending pin

Info

Publication number: CN219925823U
Application number: CN202321285742.4U
Authority: CN
Inventors: 彭振兴; 惠智刚; 许伟楠
Original assignee: Guangzhou Zhiqin Industrial Equipment Co ltd
Current assignee: Guangzhou Zhiqin Industrial Equipment Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-10-31
Anticipated expiration: 2033-05-25

Abstract

The present disclosure provides a secondary clamping mechanism for equipment clamping and extending pins, comprising: the device comprises a turnover mechanism, a pin stretching mechanism, a pressing mechanism and an induction positioning mechanism, wherein the turnover mechanism is in transmission connection with a pressing arm, the pin stretching mechanism is fixedly connected to the side face of the pressing arm, the pressing mechanism is fixedly connected to the top end of the pressing arm, the output end of the pressing mechanism is close to the output end of the pin stretching mechanism, the induction positioning mechanism is fixedly connected to the pressing arm, and the induction positioning mechanism is arranged on the side face of the output ends of the pressing mechanism and the pin stretching mechanism. According to the utility model, the turnover mechanism performs an opening action, the pin extending mechanism drives the locating pin to extend, the pressing mechanism is opened, after a worker puts a workpiece, the pressing mechanism presses the workpiece, and then the turnover mechanism performs a clamping action, so that the pressing mechanism does not exceed the movable rotating radius of the turntable, and the workpiece accommodating operation and the workpiece locating operation after workpiece feeding are facilitated.

Description

Two-stage clamping mechanism for equipment clamping and extending pin

Technical Field

The disclosure relates to the technical field of clamping equipment, and in particular relates to a secondary clamping mechanism for equipment clamping and pin extending.

Background

At present, the existing fixed clamping mechanism is relatively common in one-stage positioning (single-point/double-point clamping and telescopic cylinder mechanism), and can only meet the requirement of simple mechanical part installation, and the positioning and the opening of a workpiece taking effect cannot be achieved when the existing fixed clamping mechanism encounters relatively complex positioning, so that the generation of two-stage and multi-stage mechanisms (mechanisms consisting of two or more one-stage mechanisms) only occurs.

For example, in the welding process of the left and right front shock absorber supports of the automobile, the left front brake hose support is arranged on the human side, and the clamp is designed on the human side, so that the requirement that the positioning and the withdrawing operation do not affect other positioning is met, the opened movement range cannot exceed the movable radius of the turntable, and a worker can realize a loading operation scheme after opening.

There is a need for a clamping mechanism that enables positioning and clamping.

Disclosure of Invention

The present disclosure provides a secondary clamping mechanism for equipment clamping and extending pins to address one of the technical issues recognized by the inventors.

The utility model provides a second grade clamping mechanism for equipment presss from both sides tightly and stretches round pin, including tilting mechanism, stretch round pin mechanism, hold-down mechanism and response positioning mechanism, tilting mechanism transmission is connected with the pressure arm, stretch round pin mechanism fixed connection in the side of pressure arm, hold-down mechanism fixed connection in the top of pressure arm, hold-down mechanism's output is close to stretch round pin mechanism's output setting, response positioning mechanism fixed connection in pressure arm, and set up in hold-down mechanism and stretch round pin mechanism's output's side.

Preferably, the turnover mechanism comprises an air cylinder connecting seat, a strong clamping air cylinder is fixedly connected to the side face of the air cylinder connecting seat, a turnover arm is connected to the strong clamping air cylinder in a transmission mode, and the top end of the turnover arm is fixedly connected with the pressing arm.

Preferably, the top fixedly connected with spacing connecting block of powerful clamp cylinder, the top fixedly connected with of spacing connecting block is stopper down, the bottom of arm is pressed with the position fixedly connected with that the stopper corresponds down goes up the stopper, go up the bottom of stopper and set up flutedly, the top of stopper is provided with the arch down, go up stopper and stopper down and carry out spacingly through recess and protruding structure.

Preferably, the pin extending mechanism comprises a connecting seat, one end of the connecting seat is fixedly connected with the pressing arm, a positioning pin seat is fixedly connected to the bottom of the connecting seat, a first thin cylinder is fixedly connected to one side of the positioning pin seat, and an output shaft of the first thin cylinder penetrates through the positioning pin seat to be arranged and in transmission connection with a positioning pin.

Preferably, the positioning pin seat is fixedly connected with an anti-rotation stop block at the bottom of the positioning pin, and the anti-rotation stop block is propped against the positioning pin.

Preferably, the pressing mechanism comprises a cylinder mounting plate, a second thin cylinder and a pressing block, one end of the cylinder mounting plate is fixedly connected with the pressing arm, a second thin cylinder is fixedly connected to the side face of the cylinder mounting plate, an output shaft of the second thin cylinder penetrates through the cylinder mounting plate, the cylinder mounting plate is fixedly connected with a cylinder connecting block, a first connecting block is fixedly connected to the middle of the cylinder mounting plate, the middle of the pressing block is hinged to the first connecting block, and one end of the pressing block is hinged to the cylinder connecting block.

Preferably, the cylinder mounting plate is located the position fixedly connected with second connecting block above the cylinder connecting block, the bottom surface of second connecting block with the top surface of cylinder connecting block offsets and sets up.

Preferably, the induction positioning mechanism comprises a first positioning block, a second positioning block, a first supporting block and a second supporting block, wherein the first supporting block is fixedly connected to the side face of the pressing arm, an opening allowing the positioning pin to pass through is formed in the first supporting block, the second supporting block is fixedly connected to the lower portion of the pressing arm, which is close to the position of the first supporting block, the first positioning block is fixedly connected to the position, corresponding to the second supporting block, of the upper portion of the pressing arm, the second positioning block is fixedly connected to one side, away from the second supporting block, of the first supporting block, and an ohm sensor is embedded in the first positioning block.

The beneficial effects of the present disclosure mainly lie in: according to the utility model, the turnover mechanism performs an opening action, the pin extending mechanism drives the locating pin to extend, the pressing mechanism is opened, after a worker puts a workpiece, the pressing mechanism presses the workpiece, and then the turnover mechanism performs a clamping action, so that the pressing mechanism does not exceed the movable rotating radius of the turntable, and the workpiece accommodating operation and the workpiece locating operation after workpiece feeding are facilitated.

It is to be understood that both the foregoing general description and the following detailed description are for purposes of example and explanation and are not necessarily limiting of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the present disclosure. Meanwhile, the description and drawings are used to explain the principles of the present disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required in the detailed description or the prior art will be briefly described, it will be apparent that the drawings in the following description are some embodiments of the present disclosure, and other drawings may be obtained according to the drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of a two-stage clamping mechanism according to an embodiment of the present disclosure;

FIG. 2 is a second schematic structural view of a secondary clamping mechanism according to an embodiment of the present disclosure;

icon: 1-a turnover mechanism; 11-a cylinder connecting seat; 12-a powerful clamping cylinder; 13-limiting connecting blocks; 141-an upper limiting block; 142-lower limiting block; 15-pressing arms; 16-turning arms; 2-a pin extending mechanism; 21-a connecting seat; 22-locating pin seats; 23-anti-rotation stop blocks; 24-a first thin cylinder; 25-locating pins; 3-a compressing mechanism; 31-briquetting; 32-a first connection block; 33-a second connection block; 34-cylinder connecting blocks; 35-a second thin cylinder; 36-a cylinder mounting plate; 4-an induction positioning mechanism; 41-a first positioning block; 42-a second support block; 43-a first support block; 44-a second positioning block; 45-ohm dragon sensor.

Detailed Description

The following description of the embodiments of the present disclosure will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present disclosure.

Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

In the description of the present disclosure, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context.

Examples

As shown in fig. 1-2, this embodiment provides a two-stage clamping mechanism for clamping and extending a pin of a device, which comprises a turnover mechanism 1, a pin extending mechanism 2, a pressing mechanism 3 and an induction positioning mechanism 4, wherein the turnover mechanism 1 is in transmission connection with a pressing arm 15, the pin extending mechanism 2 is in bolt fixed connection with the side surface of the pressing arm 15, the pressing mechanism 3 is in bolt fixed connection with the top end of the pressing arm 15, the output end of the pressing mechanism 3 is close to the output end of the pin extending mechanism 2, and the induction positioning mechanism 4 is in bolt fixed connection with the pressing arm 15 and is arranged on the side surfaces of the pressing mechanism 3 and the output end of the pin extending mechanism 2.

The turnover mechanism 1 comprises an air cylinder connecting seat 2111, the bottom of the air cylinder connecting seat 2111 is fixedly arranged on a substrate clamped by a workpiece through a screw, a powerful clamping air cylinder 12 is fixedly arranged on the side surface of the air cylinder connecting seat 2111 through a screw, the powerful clamping air cylinder 12 is obliquely arranged, a turnover arm 16 is connected with the end of the powerful clamping air cylinder 12 in a transmission manner, the turnover arm 16 is driven to perform turnover through the powerful clamping air cylinder 12, and a pressing arm 15 is fixedly arranged at the top end of the turnover arm 16 through a bolt. The strong clamping cylinder 12 drives the turning arm 16 to turn over, and drives the pressing arm 15 to rotate, so that the pin extending mechanism 2 and the pressing mechanism 3 are driven to move.

Further, the top bolt of the powerful clamping cylinder 12 is fixedly connected with a limit connection block 13, the top bolt of the limit connection block 13 is connected with a lower limit block 142, the bottom of the pressing arm 15 is fixedly connected with an upper limit block 141 corresponding to the lower limit block 142 through a position bolt, the bottom of the upper limit block 141 is provided with a groove, the top of the lower limit block 142 is provided with a protrusion, and the upper limit block 141 and the lower limit block 142 are limited through the groove and the protrusion structure. When the pressing arm 15 rotates to a certain distance, the upper limiting block 141 and the lower limiting block 142 are embedded, and at this time, the upper limiting block 141 and the lower limiting block 142 are used for positioning and limiting the pressing arm.

Specifically, the pin extending mechanism 2 includes a connecting seat 21, one end of the connecting seat 21 is fixedly connected with the pressing arm 15 through a bolt, a positioning pin seat 22 is fixedly connected with a bottom bolt of the connecting seat 21, a first thin cylinder 24 is fixedly connected with one side of the positioning pin seat 22 through a bolt, and an output shaft of the first thin cylinder 24 penetrates through the positioning pin seat 22 to be arranged and in transmission connection with a positioning pin 25. The positioning pin 25 is locked to the front end of the output shaft of the first thin cylinder 24 by positioning the pin hole of the positioning pin seat 22, and the positioning pin 25 is driven to move by the first thin cylinder 24 to perform positioning.

Further, in order to prevent the rotation of the positioning pin 25, an anti-rotation stop block 23 is fixedly connected to a position of the positioning pin seat 22 at the bottom of the positioning pin 25, the anti-rotation stop block 23 is abutted against the positioning pin 25, the positioning pin 25 and the anti-rotation stop block 23 are in a profiling form, and the anti-rotation stop block 23 is abutted against the side surface of the positioning pin 25 to prevent the rotation of the positioning pin 25.

Specifically, the pressing mechanism 3 includes a cylinder mounting plate 36, a second thin cylinder 35 and a pressing block 31, one end of the cylinder mounting plate 36 is fixedly connected with the pressing arm 15 through a bolt, a side surface of the cylinder mounting plate 36 is fixedly connected with the second thin cylinder 35, an output shaft of the second thin cylinder 35 penetrates through the cylinder mounting plate 36 and is fixedly connected with a cylinder connecting block 34 through a bolt, a first connecting block 32 is fixedly connected with a middle bolt of the cylinder mounting plate 36, the middle of the pressing block 31 is hinged with the first connecting block 32, and one end of the pressing block 31 is hinged with the cylinder connecting block 34. The second thin cylinder 35 drives one end of the pressing block 31 to rotate, and at this time, the pressing block 31 rotates around the hinge pin of the first connecting block 32 in the middle, so that the bottom of the pressing block 31 approaches or leaves the positioning pin 25, and the workpiece is pressed or released.

Further, a second connection block 33 is fixedly connected to the cylinder mounting plate 36 at a position above the cylinder connection block 34 through a bolt, the bottom surface of the second connection block 33 is abutted against the top surface of the cylinder connection block 34, and the cylinder connection block 34 is limited and guided by the self precision of the second connection block 33.

Specifically, the induction positioning mechanism 4 includes a first positioning block 41, a second positioning block 44, a first supporting block 43 and a second supporting block 42, where the first supporting block 43 is fixedly connected to a side surface of the pressing arm 15, the first supporting block 43 is provided with an opening allowing the positioning pin 25 to pass through, the second supporting block 42 is fixedly connected to a position, near the first supporting block 43, of the lower part of the pressing arm 15, the first positioning block 41 is fixedly connected to a position, corresponding to the second supporting block 42, of the upper part of the pressing arm 15, the second positioning block 44 is fixedly connected to a side, far from the second supporting block 42, of the first supporting block 43, and an ohm sensor 45 is embedded in the first positioning block 41.

The working principle of the utility model is as follows: firstly, the powerful clamping cylinder 12 seat of the turnover mechanism 1 is opened, then the output shaft of the first thin cylinder 24 in the pin extending mechanism 2 extends outwards to push out the positioning pin 25, then the output shaft of the second thin cylinder 35 of the pressing mechanism 3 retracts upwards to pull the cylinder connecting block 34 to move so as to drive the pressing block 31 to take the hinge pin on the first connecting block 32 as an axis, and at the moment, the pressing mechanism 3 is in an opened state, and a worker performs loading; after the workpiece is in place, the ohm Long Chuangan device 45 is used for identifying whether the workpiece is in place or not, after the workpiece is in place, the output shaft of the second thin air cylinder 35 of the pressing mechanism 3 extends outwards, the bottom plate of the pressing block 31 rotates towards the direction of the locating pin 25 to press the workpiece, then the powerful clamping mechanism of the turnover mechanism 1 performs clamping action, the pressing mechanism 3 and the workpiece reach a working point, the workpiece is finished, and the pressing mechanism 3 does not exceed the movable rotating radius of the turntable through the actions of the upper limiting block 141 and the lower limiting block 142.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present disclosure, and not for limiting the same; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. A secondary clamping mechanism for clamping and extending a pin of an apparatus, comprising: the device comprises a turnover mechanism, a pin stretching mechanism, a pressing mechanism and an induction positioning mechanism, wherein the turnover mechanism is in transmission connection with a pressing arm, the pin stretching mechanism is fixedly connected to the side face of the pressing arm, the pressing mechanism is fixedly connected to the top end of the pressing arm, the output end of the pressing mechanism is close to the output end of the pin stretching mechanism, the induction positioning mechanism is fixedly connected to the pressing arm, and the induction positioning mechanism is arranged on the side face of the output ends of the pressing mechanism and the pin stretching mechanism.

2. The secondary clamping mechanism for equipment clamping and pin extending according to claim 1, wherein the turnover mechanism comprises a cylinder connecting seat, a strong clamping cylinder is fixedly connected to the side face of the cylinder connecting seat, a turnover arm is in transmission connection with the strong clamping cylinder, and the pressing arm is fixedly connected to the top end of the turnover arm.

3. The secondary clamping mechanism for equipment clamping and pin extending according to claim 2, wherein a limit connection block is fixedly connected to the top end of the powerful clamping cylinder, a lower limit block is fixedly connected to the top end of the limit connection block, an upper limit block is fixedly connected to the bottom of the pressing arm at a position corresponding to the lower limit block, a groove is formed in the bottom of the upper limit block, a protrusion is arranged at the top end of the lower limit block, and the upper limit block and the lower limit block are limited through the groove and the protrusion structure.

4. The secondary clamping mechanism for equipment clamping and pin extending according to claim 1, wherein the pin extending mechanism comprises a connecting seat, one end of the connecting seat is fixedly connected with the pressing arm, the bottom of the connecting seat is fixedly connected with a positioning pin seat, one side of the positioning pin seat is fixedly connected with a first thin air cylinder, and an output shaft of the first thin air cylinder penetrates through the positioning pin seat to be arranged and is in transmission connection with a positioning pin.

5. The secondary clamping mechanism for equipment clamping and extending pins as recited in claim 4, wherein said dowel seat is fixedly connected with an anti-rotation stop at a location at a bottom of said dowel, said anti-rotation stop being disposed against said dowel.

6. The two-stage clamping mechanism for equipment clamping and pin extending according to claim 1, wherein the pressing mechanism comprises a cylinder mounting plate, a second thin cylinder and a pressing block, one end of the cylinder mounting plate is fixedly connected with the pressing arm, a second thin cylinder is fixedly connected to the side face of the cylinder mounting plate, an output shaft of the second thin cylinder penetrates through the cylinder mounting plate and is fixedly connected with a cylinder connecting block, a first connecting block is fixedly connected to the middle of the cylinder mounting plate, the middle of the pressing block is hinged to the first connecting block, and one end of the pressing block is hinged to the cylinder connecting block.

7. The secondary clamping mechanism for equipment clamping and extending pins as recited in claim 6, wherein a second connecting block is fixedly connected to the cylinder mounting plate at a position above the cylinder connecting block, and a bottom surface of the second connecting block is abutted against a top surface of the cylinder connecting block.

8. The secondary clamping mechanism for equipment clamping and pin extending according to claim 4, wherein the induction positioning mechanism comprises a first positioning block, a second positioning block, a first supporting block and a second supporting block, the first supporting block is fixedly connected to the side face of the pressing arm, the first supporting block is provided with an opening allowing the positioning pin to pass through, the second supporting block is fixedly connected to the lower portion of the pressing arm near the position of the first supporting block, the first positioning block is fixedly connected to the upper portion of the pressing arm at a position corresponding to the second supporting block, the second positioning block is fixedly connected to one side, far away from the second supporting block, of the first supporting block, and an ohm sensor is embedded in the first positioning block.