CN214392994U

CN214392994U - Combined type positioning and clamping system

Info

Publication number: CN214392994U
Application number: CN202023239029.5U
Authority: CN
Inventors: 陈涛; 刘云超; 洪丽英
Original assignee: Fft Production Systems Shanghai Co ltd
Current assignee: Fft Production Systems Shanghai Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-15
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a combined type location clamping system sets up on side wall frame handling device for the tight side wall frame of location clamp, be equipped with locating pin cover subassembly on the side wall frame, combined type location clamping system include the cylinder, be used for the location and with the locating pin of locating pin cover subassembly looks adaptation and be used for pressing from both sides the clamping mechanism of tight locating pin cover subassembly, the cylinder is equipped with mobilizable guide arm, the locating pin sets up and with guide arm looks rigid coupling along the axis direction of guide arm, clamping mechanism is located the top of locating pin, clamping mechanism includes looks articulated connecting rod and last pressure head, connecting rod and guide arm are articulated mutually. Compared with the prior art, the utility model discloses can promote handling efficiency, promote the production beat, reduce manufacturing cost, reduce the maintenance cost, promote life, weight reduction.

Description

Combined type positioning and clamping system

Technical Field

The utility model belongs to the automotive processing equipment field, concretely relates to combined type positioning and clamping system.

Background

In recent years, the domestic automobile industry is rapidly developed, and various automobile factories continuously put out new automobile models and simultaneously put forward higher requirements for equipment suppliers, and the production line is required to have high beat, high flexibility, high stability, less occupied land and low cost.

On the split charging line of automobile parts such as car door, window glass, automobile body skeleton etc. often need just can carry out assembly operations such as drilling or beating glue to the work piece after carrying out accurate positioning to the work piece with the help of locator and binding clasp. Traditional manual positioning, it is consuming time hard and be difficult to form continuous operation, influence the degree of automation of production line, general locator and binding clasp can't satisfy not unidimensional work piece demand, can't realize simultaneously fast, the tight and location of high accuracy clamp to influence the processing assembly quality of whole work piece.

In addition, in order to save cost, a plurality of automobile manufacturers plan a general assembly production station of a body-in-white welding line into a production system in a multi-vehicle type switching mode, when vehicle type switching production is carried out, a carrying device is required to switch side wall frame clamps corresponding to different vehicle types, corresponding clamps are conveyed to a welding station to be positioned and wait for welding, and the existing clamps cannot be matched with different vehicle types.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a combined type location clamping system can promote handling efficiency, promotes the production beat, reduces manufacturing cost, reduces the maintenance cost, promotes life, weight reduction.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a combined type location clamping system, sets up on side wall frame handling device for the tight side wall frame of location clamp, be equipped with locating pin cover subassembly on the side wall frame, combined type location clamping system includes the cylinder, be used for the location and with the locating pin of locating pin cover subassembly looks adaptation and be used for pressing from both sides the clamping mechanism who presss from both sides tight locating pin cover subassembly, the cylinder is equipped with mobilizable guide arm, the locating pin sets up and with guide arm looks rigid coupling along the axis direction of guide arm, clamping mechanism is located the top of locating pin, clamping mechanism is including looks articulated connecting rod and last pressure head, connecting rod and guide arm are articulated mutually. The side wall frame is used for forming a vehicle body, and the air cylinder is a single guide rod air cylinder. The positioning pin plays the smart positioning effect for the side wall frame, and the cylinder area locking function guarantees that combined type location clamping system locks fast in step after the outage of fuel cut off, guarantees that the side wall frame does not slide, can realize synchronous positioning and locking.

The combined type positioning and clamping system further comprises a support which is fixedly connected with the air cylinder and extends along the direction of the positioning pin, and a groove for the guide rod and the positioning pin to move is formed in the middle of the support along the axial direction.

The support is provided with a support beam at one end far away from the cylinder, and the support beam is positioned above the groove. The connecting rod is arranged on the supporting beam, and when the combined type positioning and clamping system does not work, the connecting rod can be arranged on the supporting beam, so that the connecting part of the connecting rod and the sliding block is prevented from being subjected to excessive force, and the service life is prolonged.

The support is equipped with the support bracket in the one end downward salient of keeping away from the cylinder, goes up the pressure head and is used for pressing from both sides tight locating pin cover subassembly with the locating pin cooperation outside, can also press from both sides tight locating pin cover subassembly with the support bracket cooperation, and when assembling, the support bracket is located the bottom of locating pin cover subassembly, provides a holding power.

And one end of the support far away from the air cylinder is provided with a two-way adjusting block, and the two-way adjusting block is positioned on the supporting bracket. When the measurement is ensured, the combined type positioning and clamping system can be adjusted if a processing error occurs.

The support is provided with a sensor at one end far away from the cylinder, and the sensor is positioned on the support bracket and used for detecting the opening and closing states of the combined type positioning and clamping system.

The combined type positioning and clamping system further comprises a dust cover, the dust cover is arranged at the joint of the air cylinder and the support, and two wings are arranged on the dust cover and are respectively connected with the air cylinder and the support. The dust cover protects the guide rod from being affected by splashing and dust, and the service life is prolonged.

The end of the guide rod is provided with a sliding block, the top of the sliding block is provided with a first connecting shaft, the end, close to the sliding block, of the connecting rod is provided with a pair of first connecting lugs matched with the first connecting shaft, the bottom of the sliding block is in contact with the bottom surface of the bottom surface groove, and the positioning pin is fixedly connected with the sliding block. The connecting rod can rotate around the first connecting shaft, and the positioning pin and the clamping mechanism form a crank-slider mechanism through the slider, so that the synchronous motion of the positioning pin and the upper pressure head is ensured.

And the sliding block and the positioning pin are in threaded connection.

The connecting device is characterized in that a cylindrical connecting block is arranged between the guide rod and the sliding block, the side surface of the connecting block is respectively connected with the guide rod and the sliding block, and the connecting block is also contacted with the support.

Go up the pressure head including the pressure head main part that is n shape and locate No. two connecting axles at pressure head main part rear, the tip that the connecting rod is close to last pressure head is equipped with a pair of No. two engaging lugs with No. two connecting axle adaptations. The upper pressure head can rotate around a second connecting shaft, and the rear direction refers to the direction adjacent to the air cylinder.

The positioning pin sleeve assembly is provided with a hole for inserting the positioning pin, and the outer contour shape of the positioning pin sleeve assembly is in a step shape. The positioning pin sleeve assembly serves as a female end and is matched with the side wall frame carrying device serving as a male end.

The side wall frame carrying device comprises an X-direction trolley, a Y-direction trolley and an X-direction fine guide wheel, and the combined type positioning and clamping system is arranged on the X-direction trolley or the Y-direction trolley. When assembling and carrying, the side wall frame carrying device is required to be installed on the X-direction track, the X-direction fine guide wheel is the front and back direction along the X-direction track, the X-direction (front and back direction) position of the side wall frame on the side wall frame carrying device is controlled through the X-direction fine guide wheel, and the Y-direction track and the Y-direction fine guide wheel can be modified according to actual conditions.

The tradition generally adopts and loads CYTEC positioning mechanism on handling device, and the utility model discloses based on slider-crank mechanism's structure theory, regard the locating pin as guiding orientation mechanism, will go up the pressure head and press from both sides tight piece and install on the rocking arm. When the positioning pin is pushed out by one cylinder, the rocker arm and the clamping block are driven to swing forwards, and when the positioning pin extends out in place, the rocker arm is clamped in place, so that the accurate positioning of the assembly side frame is realized.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. promote handling efficiency, promote the production beat: the CYTEC device has two steps of operation in the process of positioning the side wall frame, the jacking and the clamping are separately performed, the stretching of the positioning pin and the clamping of the upper pressure head are synchronously performed and completed in the combined type positioning and clamping system, the whole process only has one step of action, and the carrying device is used for positioning and locking the side wall frame and separating the side wall frame, so that the carrying efficiency is effectively improved, and the production beat is improved.

2. The manufacturing cost is reduced: the original carrying device uses the CYTEC device, the CYTEC device is high in price, the existing carrying device uses the combined type positioning and clamping system, the manufacturing cost is low, and the input cost of a production line is saved.

3. Reduce the maintenance cost, promote life: the opening of the CYTEC device is upward, so that sundries such as welding slag and the like are easily dropped into the CYTEC device, the device is broken down or damaged, regular maintenance is needed, the combined type positioning and clamping system can be prevented from being damaged by splashes, and long-term maintenance-free use can be realized.

4. And (3) reducing weight: former handling device uses CYTEC device location locking, and single mechanism weight is 71KG, the utility model discloses a handling device uses combined type location clamping system, and single mechanism weight is 21.5KG, and whole handling device weight reduces more than about 200 KG.

Drawings

FIG. 1 is a schematic structural view of a composite positioning and clamping system;

FIG. 2 is a cross-sectional view of a composite locating and clamping system locating and clamping locating pin bushing assembly;

FIG. 3 is a state diagram of the side frame carrying device for carrying the side frame;

fig. 4 is a schematic bottom view of the side frame carrying device.

In the figure: 1-a positioning pin; 2-a cylinder; 201-a guide rod; 202-connecting block; 3, an upper pressure head; 301-ram body; 302-connecting shaft II; 4-a two-way adjusting block; 5-a sensor; 6-support; 601-a groove; 602-a support beam; 603-a support stand; 7-a dust cover; 8-a slide block; 801-connecting shaft I; 9-a connecting rod; 901-first connecting ear; 902-second engaging lug; 10-a locating pin bushing assembly; 11-a side frame carrying device; a 1101-X direction trolley; a 1102-Y direction trolley; 1103-X fine guide wheel; 12-a side frame; 13-a compound positioning and clamping system; 14-X direction track.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Examples

A combined type positioning and clamping system is arranged on a side wall frame carrying device 11 and used for positioning a side wall frame 12, specifically, as shown in figures 3 and 4, the side wall frame carrying device 11 comprises an X-direction trolley 1101, a Y-direction trolley 1102 and an X-direction fine guide wheel 1103, a combined type positioning and clamping system 13 is arranged at the bottom of the X-direction trolley 1101 or the Y-direction trolley 1102, each side wall frame carrying device 11 is provided with four combined type positioning and clamping systems 11 which are distributed at four corners, during assembly, an X-direction rail 14 needs to be arranged on one side of the side frame 12, so that the side frame carrying device 11 can move on the X-direction rail 14 in the X direction, especially, the X-direction fine guide wheel 1103 can accurately move the side frame carrying device 11 along the X direction, a positioning pin sleeve assembly 10 is arranged on the side frame 12, the positioning pin sleeve assembly 10 is provided with a hole for inserting the positioning pin 1, and the outer contour shape of the positioning pin sleeve assembly 10 is in a step shape (specifically, as shown in fig. 2).

As shown in fig. 1 and 2, the combined positioning and clamping system 13 includes a cylinder 2 (the cylinder 2 is a single guide rod cylinder), a positioning pin 1 for positioning and matching with the positioning pin sleeve assembly 10, a clamping mechanism for clamping the positioning pin sleeve assembly 10, a support 6 and a dust cover 7, the cylinder 2 is provided with a movable guide rod 201, the end of the guide rod 201 is sequentially provided with a connecting block 202 and a slider 8, the connecting block 202 is a horizontally arranged cylinder, the side surface of the connecting block 202 is respectively connected with the guide rod 201 and the slider 8, the top of the slider 8 is provided with a connecting shaft 801, the slider 8 and the positioning pin 1 are connected by a screw thread, the support 6 is fixedly connected with the cylinder 2 and extends along the direction of the positioning pin 1, the middle part of the support 6 is provided with a groove 601 for the guide rod 201, the connecting block 202, the slider 8 and the positioning pin 1 to move along the axial direction, the side surface of the connecting block 202 and the bottom of the slider 8 are both contacted with the bottom surface of the groove 601, a support 6 is provided with a support beam 602 at one end far away from the cylinder 2, the support beam 602 is positioned above the groove 601, the positioning pin 1 is arranged along the axial direction of the guide rod 201, the front end of the support 6 (the front end is the end far away from the cylinder 2) is provided with a support bracket 603 in a downward protruding manner (the support bracket 603 is arranged according to the existing equipment, the support bracket 603 is provided with a mounting plate in a protruding manner towards the side surface and can be connected with the X-direction trolley 1101 or the Y-direction trolley 1102 through the mounting plate), the support bracket 603 is provided with a two-direction adjusting block 4 and a sensor 5 (the sensor 5 is positioned above the two-direction adjusting block 4), a clamping mechanism is positioned above the positioning pin 1 and comprises a connecting rod 9 and an upper pressure head 3 which are hinged with each other, the end part of the connecting rod 9, which is adjacent to the sliding block 8, is provided with a pair of first connecting lugs 901 matched with the first connecting shaft 801, and the end part of the connecting rod 9, which is adjacent to the upper pressure head 3, is provided with a pair of second connecting lugs 902, go up pressure head 3 including being n shape pressure head main part 301 and locating No. two connecting axles 302 of pressure head main part 301 rear, No. two connecting axles 302 and No. two engaging lugs 902 cooperate and articulate, and the junction of cylinder 2 and support 6 is located to dust cover 7, and dust cover 7 is equipped with the both wings, and the both wings are connected with cylinder 2 and support 6 respectively. The members not described in detail in this embodiment may be conventional members.

The utility model discloses a theory of operation specifically does:

the X-direction trolley 1101 or the Y-direction trolley 1102 of the side wall frame carrying device 11 moves into the bottom of the side wall frame 12, and after the side wall frame is moved in place, the sensor 5 feeds back a signal; the combined type positioning and clamping system 13 starts to work, the guide rod 201 of the cylinder 2 extends out to drive the slide block 8 and the positioning pin 1 to extend out, the connecting rod 9 and the upper pressure head 3 are driven to swing forwards and upwards, the positioning pin 1 extends into a hole of the positioning pin sleeve assembly 10, the upper pressure head 3 is clamped above the positioning pin sleeve assembly 10 to be clamped in place, and the four combined type positioning and clamping systems 13 on the side wall frame carrying device 11 extend out, are positioned and clamped in place, so that accurate positioning and clamping of the side wall frame 12 are achieved.

In the carrying process of the side wall frame carrying device 11, the side wall frame 12 is accurately positioned by the combined type positioning and clamping system 13 and the X-direction fine guide wheel 1103, so that the combined type positioning and clamping system 13 is ensured to be conveyed to a welding station, and the side wall frame 12 is smoothly positioned on a vehicle body;

during the production of the single-vehicle type, the side wall frame carrying device 11 carries the side wall frame 12 to slide on the X-direction rail 14 to the outer side of the welding station, the Y-direction trolley 1102 (taking the Y-direction trolley 1102 as an example) on the side wall frame carrying device 11 moves the side wall frame 12 into the welding station, after the positioning of the side wall frame 12 on the precise steel structure is completed, the combined type positioning and clamping system 13 on the Y-direction trolley 1102 is opened, the Y-direction trolley 1101 moves back to the zero position, and when the single-vehicle type is continuously produced, the side wall frame carrying device 11 waits at the outer side of the welding station;

when the production of multiple vehicle types is finished, the Y-direction trolley 1102 of the side wall frame carrying device 11 moves into a welding station, the combined type positioning and clamping system 13 positions and locks the side wall frame 12, the Y-direction trolley 1102 with the side wall frame 12 moves out to a zero position, the side wall frame carrying device 11 slides to a corresponding vehicle type storage position along the X-direction track to the side edge, the combined type positioning and clamping system 13 is opened, the side wall frame 12 is stored, then the side wall frame 12 moves to another storage position to enter the storage position, the combined type positioning and clamping system 13 locks another different side wall frame 12 again, and the side wall frame 12 is carried to the welding station for welding. The form of the library site can be a turntable form, arranged on two sides along an X-direction track, and the like, and the form is not unique.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. The utility model provides a combined type location clamping system, sets up on side wall frame handling device (11) for location clamping side wall frame (12), be equipped with locating pin cover subassembly (10) on side wall frame (12), a serial communication port, combined type location clamping system (13) include cylinder (2), be used for the location and with locating pin (1) of locating pin cover subassembly (10) looks adaptation and be used for pressing from both sides the clamping mechanism of tight locating pin cover subassembly (10), cylinder (2) are equipped with mobilizable guide arm (201), locating pin (1) set up and with guide arm (201) looks rigid coupling along the axis direction of guide arm (201), clamping mechanism is located the top of locating pin (1), clamping mechanism includes articulated connecting rod (9) and last pressure head (3), connecting rod (9) and guide arm (201) are articulated mutually.

2. The combined positioning and clamping system as claimed in claim 1, wherein the combined positioning and clamping system (13) further comprises a support (6) fixedly connected to the cylinder (2) and extending along the direction of the positioning pin (1), and a groove (601) for moving the guide rod (201) and the positioning pin (1) is axially formed in the middle of the support (6).

3. A combined locating and clamping system as claimed in claim 2, characterised in that the support (6) is provided with a supporting beam (602) at the end remote from the cylinder (2), the supporting beam (602) being located above the recess (601).

4. A combined locating and clamping system as claimed in claim 2, characterised in that the said support (6) is provided with a support bracket (603) projecting downwards at the end remote from the cylinder (2).

5. A combined locating and clamping system as claimed in claim 2, characterised in that the said support (6) is provided with a two-way adjusting block (4) and a sensor (5) at the end remote from the cylinder (2).

6. The combined positioning and clamping system as claimed in claim 2, wherein said combined positioning and clamping system (13) further comprises a dust cover (7), said dust cover (7) is disposed at the connection between said cylinder (2) and said support (6), said dust cover (7) has two wings, and said two wings are respectively connected to said cylinder (2) and said support (6).

7. The combined type positioning and clamping system as claimed in claim 2, wherein a slider (8) is disposed at an end of the guide rod (201), a first connecting shaft (801) is disposed at a top of the slider (8), a pair of first connecting lugs (901) adapted to the first connecting shaft (801) is disposed at an end of the connecting rod (9) adjacent to the slider (8), a bottom of the slider (8) contacts with a bottom surface of the groove (601), and the positioning pin (1) is fixedly connected to the slider (8).

8. The combined type positioning and clamping system as claimed in claim 1, wherein the upper pressing head (3) comprises an n-shaped pressing head main body (301) and a second connecting shaft (302) arranged behind the pressing head main body (301), and a pair of second connecting lugs (902) matched with the second connecting shaft (302) is arranged at the end part, adjacent to the upper pressing head (3), of the connecting rod (9).

9. A combined locating and clamping system as claimed in claim 1, characterised in that the locating pin bush assembly (10) is provided with a hole for the insertion of the locating pin (1), the outer profile of the locating pin bush assembly (10) being stepped.

10. The combined type positioning and clamping system as claimed in claim 1, wherein the side frame handling device (11) comprises an X-direction trolley (1101), a Y-direction trolley (1102) and an X-direction fine guide wheel (1103), and the combined type positioning and clamping system (13) is arranged on the X-direction trolley (1101) or the Y-direction trolley (1102).