CN218800128U - Horizontal pin cylinder structure - Google Patents

Abstract

The utility model relates to a horizontal pin jar structure, which comprises a cylinder, the jar seat, the flange seat, locating pin and guide arm, the side at the jar seat is installed to the cylinder, the upper end at the jar seat is installed to the flange seat, the locating pin is installed on the flange seat, the tail end of guide arm is connected with the telescopic link of cylinder, the cavity has been seted up in the jar seat, the locating pin is hollow structure, the dead slot has been seted up to the both sides of locating pin, be provided with in the cavity and compress tightly the subassembly, compress tightly the subassembly including rotating the tight pole of clamp of connection at the guide arm front end, and stretch out and press from both sides the locating pin through the cylinder cooperation at the top of pressing from both sides tight pole, the operation of automatic positioning has been realized, the accuracy of location has been improved, thereby be convenient for the locating pin to the location of work piece.

Description

Horizontal pin cylinder structure

Technical Field

The utility model relates to a cylinder technical field, more specifically the horizontal pin jar structure that says so.

Background

In a welding fixture, a pin cylinder is usually used for positioning a workpiece, a positioning pin is arranged on the pin cylinder, and then a guide rod is driven by the cylinder to stretch and retract, so that the workpiece is positioned.

Chinese utility model with publication number CN201921218447.0, it discloses a novel manual positioning pin cylinder structure, include: cylinder body, push rod and locating pin, wherein: a guide channel is arranged in the cylinder body, and a guide sleeve fixedly assembled with the cylinder body is arranged at one end of the cylinder body; the guide sleeve and the guide channel are coaxially arranged and are mutually communicated, and a sliding seat which is assembled with the guide sleeve in a sliding way is arranged in the guide sleeve; one end of the push rod passes through the guide channel and extends into the guide sleeve and is connected with the sliding seat; the locating pin is located the one end that the push rod was kept away from to the slide and can dismantle fixedly with the slide, the utility model discloses utilize artifical manual promotion push rod axial displacement to drive the locating pin and remove to realize the locating pin and to the location of work piece, but it needs artifical manual operation to operate the locating pin in the use, and work efficiency is low, and artifical operation is also lower to the accuracy of location.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's weak point, provide a horizontal pin jar structure, promote under the effect of guide arm at the cylinder, the guide arm drives clamping bar and rotates to press from both sides the locating pin tight location after the overhead kick shape structure of clamping bar upper segment stretches out the dead slot, realize automatic positioning's operation, improved the accuracy of location, thereby be convenient for the locating pin to the location of work piece.

The utility model discloses a technical solution measures as follows:

the utility model provides a horizontal pin jar structure, includes cylinder, jar seat, flange seat, locating pin and guide arm, the side at jar seat is installed to the cylinder, the upper end at jar seat is installed to the flange seat, the locating pin is installed on the flange seat, the tail end of guide arm is connected with the telescopic link of cylinder, seted up the cavity in the jar seat, the locating pin is hollow structure, the dead slot has been seted up to the both sides of locating pin, be provided with the compressing assembly in the cavity, compressing assembly includes the clamping bar of rotation connection at the guide arm front end, just the top of clamping bar stretches out and presss from both sides tightly the locating pin through the cylinder cooperation from the bottom of dead slot.

Preferably, a fixing block is fixedly connected to the cylinder base.

Preferably, the pressing assembly further comprises a connecting rod fixedly connected to one side of the clamping rod, and the connecting rod is rotatably arranged on the fixing block.

Preferably, a shoulder is fixedly arranged on the outer wall of the positioning pin, and the bottom of the shoulder is matched with the top of the flange seat.

Preferably, the distance between the bottom of the hollow groove and the top of the shoulder is 2mm.

Preferably, the top end of the flange seat is provided with a mounting hole.

Preferably, the upper section of the clamping rod is of an inverted hook-shaped structure, and the lower section of the clamping rod is provided with a sliding groove.

Preferably, the flange seat and the cylinder seat are connected through bolts.

The beneficial effects of the utility model reside in that:

1. the utility model discloses be provided with and compress tightly subassembly and dead slot, through setting up the clamping bar, under the effect that the cylinder promoted the guide arm, the guide arm drove the overhead kick shape structure of clamping bar upper segment and stretches out the dead slot and press from both sides the locating pin tight location, realizes the operation of automatic positioning, is convenient for the locating pin to the location of work piece when having improved the accuracy of location.

2. The utility model discloses still be provided with the convex shoulder, carry on spacingly through setting up the convex shoulder to the installation depth of locating pin, in addition, through setting up empty groove bottom and convex shoulder top 2 mm's distance, the welding slag when can avoiding the work piece welding splashes inside the jar seat 2, causes the influence to the use of pin jar body.

To sum up, the utility model has the advantages of automatic positioning is fit for cylinder technical field.

Description of the drawings:

the invention will be further explained with reference to the drawings:

FIG. 1 is a horizontal pin cylinder configuration;

FIG. 2 is an internal schematic view of a horizontal pin cylinder configuration;

fig. 3 is a schematic structural view of the hold-down assembly.

Reference numerals: 1-a cylinder; 2-cylinder seat; 21-a cavity; 3-a flange seat; 31-mounting holes; 4-positioning pins; 41-empty groove; 42-shoulder; 5-a guide rod; 6-a pressing component; 61-a clamping bar; 62-a connecting rod; 63-a chute; and 7, fixing blocks.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings.

Example one

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 3, a horizontal pin cylinder structure, including cylinder 1, cylinder base 2, flange base 3, locating pin 4 and guide arm 5, cylinder 1 installs the side at cylinder base 2, flange base 3 installs the upper end at cylinder base 2, locating pin 4 installs on flange base 3, the tail end of guide arm 5 is connected with cylinder 1's telescopic link, cavity 21 has been seted up in cylinder base 2, locating pin 4 is hollow structure, dead slot 41 has been seted up to the both sides of locating pin 4, be provided with in the cavity 21 and compress tightly subassembly 6, compress tightly subassembly 6 including rotating the clamp rod 61 of connecting at the guide arm 5 front end, and the top of clamp rod 61 stretches out from the bottom of dead slot 41 and presss from both sides tight locating pin 4 through the cooperation of cylinder 1.

As shown in fig. 1, a fixing block 7 is fixedly connected to the cylinder base 2.

As shown in fig. 2, the pressing assembly 6 further comprises a connecting rod 62 fixedly connected to one side of the clamping rod 61, the connecting rod 62 is rotatably arranged on the fixing block 7, and when the pressing assembly is used, the guide rod 5 is pushed by the cylinder 1 to drive the inverted hook-shaped structure of the upper section of the clamping rod 61 to extend out of the empty groove 41 to clamp and position the positioning pin 4, so that automatic positioning operation is realized, and positioning accuracy is improved while positioning of the workpiece by the positioning pin 4 is facilitated.

As shown in fig. 3, the outer wall of the positioning pin 4 is fixedly provided with a shoulder 42, the bottom of the shoulder 42 is matched with the top of the flange seat 3, and the installation depth of the positioning pin 4 is limited by the shoulder 42.

As shown in fig. 2, the distance between the bottom of the recess 41 and the top of the shoulder 42 is 2mm, and by setting this distance, spattering of welding slag generated during welding of the workpiece into the cylinder block 2 is avoided.

As shown in fig. 2, the flange base 3 has a mounting hole 31 at the top end.

As shown in fig. 2, the upper section of the clamping rod 61 is set to be an inverted hook-shaped structure, the lower section of the clamping rod 61 is provided with a sliding groove 63, the hollow groove 41 is extended through the inverted hook-shaped structure to compress the positioning pin 4, and the inverted hook-shaped structure of the upper section of the clamping rod 61 can be retracted into the inner space of the positioning pin 4 through the sliding groove 63, so that the installation and the removal of the positioning pin 4 are not affected.

As shown in fig. 1, the flange base 3 and the cylinder base 2 are connected by bolts.

Example two

As shown in fig. 3, in which the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience; the second embodiment is different from the first embodiment in that: the contact portion of the upper section of the clamping bar 61 with the shoulder 42 is provided with a cushion.

Here, the present embodiment can reduce the abrasion of the upper section of the clamping rod 61 against the surface of the shoulder 42 by providing the cushion at the contact portion of the upper section of the clamping rod 61 with the shoulder 42.

Working process

Firstly, the positioning pin 4 is installed at the top end of the flange seat 3, the installation depth of the positioning pin 4 is limited through the convex shoulder 42, and then the guide rod 5 is pushed through the cylinder 1 to drive the inverted hook-shaped structure at the upper section of the clamping rod 61 to extend out of the empty groove 41 so as to clamp and position the positioning pin 4.

In the description of the present invention, it is to be understood that the terms "front and back", "left and right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or parts referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.

The above description is only for the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the structure of the present invention, and these should also be regarded as the protection scope of the present invention, and the effect and practicability of the present invention will not be affected.

Claims (8)

1. The utility model provides a horizontal pin jar structure, includes cylinder (1), jar seat (2), flange seat (3), locating pin (4) and guide arm (5), the side at jar seat (2) is installed in cylinder (1), the upper end at jar seat (2) is installed in flange seat (3), install on flange seat (3) locating pin (4), the tail end and the telescopic link of cylinder (1) of guide arm (5) are connected, seted up cavity (21), its characterized in that in jar seat (2): locating pin (4) are hollow structure, dead slot (41) have been seted up to the both sides of locating pin (4), be provided with in cavity (21) and compress tightly subassembly (6), compress tightly subassembly (6) including rotating clamping rod (61) of connecting at guide arm (5) front end, just the top of clamping rod (61) stretches out and presss from both sides tightly locating pin (4) through cylinder (1) cooperation from the bottom of dead slot (41).

2. The horizontal pin cylinder structure of claim 1, wherein: the cylinder base (2) is fixedly connected with a fixing block (7).

3. The horizontal pin cylinder structure of claim 2, wherein: the pressing assembly (6) further comprises a connecting rod (62) fixedly connected to one side of the clamping rod (61), and the connecting rod (62) is rotatably arranged on the fixing block (7).

4. The horizontal pin cylinder structure of claim 1, wherein: the outer wall of the positioning pin (4) is fixedly provided with a convex shoulder (42), and the bottom of the convex shoulder (42) is matched with the top of the flange seat (3).

5. The horizontal pin cylinder structure of claim 4, wherein: the distance between the bottom of the hollow groove (41) and the top of the shoulder (42) is 2mm.

6. The horizontal pin cylinder structure of claim 1, wherein: and the top end of the flange seat (3) is provided with a mounting hole (31).

7. The horizontal pin cylinder structure of claim 1, wherein: the upper section of the clamping rod (61) is of an inverted hook-shaped structure, and the lower section of the clamping rod (61) is provided with a sliding groove (63).

8. The horizontal pin cylinder structure of claim 1, wherein: the flange seat (3) is connected with the cylinder seat (2) through bolts.

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