CN216504539U

CN216504539U - Small-space bidirectional sliding pressing device

Info

Publication number: CN216504539U
Application number: CN202122683908.5U
Authority: CN
Inventors: 齐大海; 尤梅洲; 王亚生; 朱国胜
Original assignee: WUXI BANGY MACHINERY TECHNOLOGY CO LTD
Current assignee: WUXI BANGY MACHINERY TECHNOLOGY CO LTD
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-13
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a small-space bidirectional sliding pressing device which is characterized by comprising a base, a hydraulic cylinder, a sliding pull rod, a connecting block and a sliding pressing block, wherein the base is provided with a sliding hole; the base is provided with a first sliding groove; the hydraulic cylinder is arranged at the lower part of the base; the sliding pull rod comprises a first rod body and a second rod body, the first rod body is connected with the first sliding groove in a sliding mode, and the first rod body is connected with the piston rod; the first rod body and the second rod body are connected in an included angle, and the upper surface of the second rod body is horizontally arranged; the connecting block is a hollow cylinder which is axially through and is sleeved outside the second rod body; the upper part of the connecting block and the upper surface of the second rod body are provided with second sliding grooves; the lower part of the sliding pressing block is arranged in the second sliding groove; the sliding pressing block is provided with a first pressing surface and a second pressing surface. The pressing device has the advantages that the pressing device is compact in structure and used for bidirectional pressing of a single workpiece, pressing in the horizontal direction and pressing in the vertical direction can be mutually compensated, and the problem of poor pressing caused by appearance change of a product is effectively solved.

Description

Small-space bidirectional sliding pressing device

Technical Field

The utility model belongs to the technical field of tool fixtures, and particularly relates to a small-space bidirectional sliding pressing device.

Background

In automation equipment, a workpiece is often required to be positioned and clamped in a narrow space, the distance between a positioning point and a pressing point of a part of the workpiece is small, and in such a state, a mechanism is required, so that unidirectional force output by an oil cylinder can be decomposed into forces in two directions, and the two component forces are convenient to press the positioning point. Chinese patent application, application number CN201822018623.8, application date 2018.12.04, grant bulletin number CN209614851U, grant bulletin date 2019.11.12, disclose a two-way hold-down mechanism in little space, including clamp plate, pressure head, spring and hydro-cylinder, clamp plate and pressure head are connected through being provided with the slide wedge slot, still install the spring in the middle of clamp plate and the pressure head, hydro-cylinder drive clamp plate motion, the clamp plate drives the pressure head motion through slide wedge slot and spring, be provided with horizontal plane and perpendicular on the pressure head, the pressure head is under the drive of hydro-cylinder and clamp plate, horizontal plane, the perpendicular of pressure head are successively with treating that the tight work piece of clamp contacts. According to the utility model, the pressing plate is in a pressing state through the linear oil cylinder, the pressing plate moves downwards, the horizontal plane of the pressing head firstly contacts with the workpiece, the pressing head then moves towards the vertical plane of the pressing head through the wedge groove, when the vertical plane of the pressing head contacts with the workpiece, the spring is stopped to be compressed, at the moment, the planes in two directions of the two pressing heads, namely the horizontal plane and the vertical plane, contact with the workpiece, and the workpiece is pressed. The small-space bidirectional pressing mechanism has the disadvantages that a large number of transmission parts are used, and equipment used in a small space is small in parts, so that the parts are difficult to process, labor and time are wasted in assembly; the pressing plate is connected with the pressing heads to press a plurality of workpieces, and is suitable for pressing a single workpiece.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems that in the prior art, a small-space bidirectional pressing mechanism has more transmission parts and equipment used in a small space has small parts, so that the parts have higher processing difficulty and are labor-consuming and time-consuming to assemble; the utility model aims to provide a small-space bidirectional sliding pressing device which is compact in structure, flexible in action, used for bidirectional pressing of a single workpiece, capable of compensating pressing in the horizontal direction and the vertical direction and effectively compatible with the problem of poor pressing caused by appearance change of a product.

2. Technical scheme

In order to achieve the purpose and achieve the technical effect, the utility model adopts the following technical scheme:

a small-space bidirectional sliding pressing device is characterized by comprising a base, a hydraulic cylinder, a sliding pull rod, a connecting block and a sliding pressing block; the base is provided with a first sliding groove penetrating through the upper surface and the lower surface; the cylinder barrel of the hydraulic cylinder is arranged at the lower part of the base; the sliding pull rod comprises a first rod body and a second rod body, the first rod body is connected with the first sliding groove in a sliding mode, and the lower end of the first rod body is connected with a piston rod of the hydraulic cylinder in the first sliding groove; the upper end of the first rod body is connected with the lower end of the second rod body in an obtuse included angle mode, and the upper surface of the second rod body is horizontally arranged; a first limiting hole and a second limiting hole are formed in the upper end of the second rod body, the first limiting hole is formed in the radial direction of the second rod body, the second limiting hole is formed in the axial direction of the second rod body, an elastic plunger is arranged in the second limiting hole, and the upper end of the elastic plunger extends out of the upper surface of the second rod body; the connecting block is a hollow cylinder which is axially communicated, is sleeved outside the second rod body, and is communicated with the first limiting hole through a limiting pin so as to be connected with the second rod body; the upper part of the connecting block and the upper surface of the second rod body are provided with second sliding grooves; the lower part of the sliding press block is arranged in the second sliding groove, and the elastic plunger is abutted against the lower surface of the sliding press block; and a pressure head is arranged on one side of the sliding pressing block along the sliding direction of the second sliding groove, a first pressing surface and a second pressing surface are arranged on the pressure head, and the first pressing surface and the second pressing surface are intersected.

In a specific embodiment of the utility model, the first rod body and the piston rod of the hydraulic cylinder are connected through a T-shaped rivet.

In a specific embodiment of the present invention, the first pressing surface is vertically disposed to apply a horizontal pressure to a vertical side surface of the workpiece, and the second pressing surface is horizontally disposed to apply a vertical pressure to a horizontal surface of the workpiece.

In a specific embodiment of the utility model, a first sliding surface is arranged between the pressure head and the connecting block, and the first sliding surface is vertically arranged.

In a specific embodiment of the utility model, a second sliding surface is arranged between the sliding pressure block and the connecting block, and the second sliding surface is parallel to the axis of the second rod body.

When the pressure head is in a relaxed state, a piston rod of the hydraulic cylinder is in an extended state, and the pressure head of the sliding pressing block is in a relaxed state through the sliding pull rod and the connecting block; the pressing state is, the piston rod of pneumatic cylinder is in the withdrawal state, through the slip pull rod, the connecting block, the spacer pin makes the slip briquetting be in the state of compressing tightly, at this moment, the slip pull rod downstream, drive the connecting block, the slip briquetting, the pressure head downstream together, when the second of pressure head compresses tightly the face and contacts the work piece, the pressure head just stops the downstream, at this moment, connecting block and slip pull rod are still moving downwards, the elasticity that the slip briquetting overcome the elasticity plunger produces the relative slip with the slip pull rod, effect horizontal migration at the slope of the second body of rod, until first face and the work piece contact of compressing tightly, reach the purpose of two-way pressure.

3. Advantageous effects

Compared with the prior art, the pressing device has the advantages that the pressing device is compact in structure and flexible in action, is used for bidirectional pressing of a single workpiece, can compensate each other in the horizontal direction and the vertical direction, and is effectively compatible with the problem of poor pressing caused by appearance change of a product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic front sectional view of the present invention.

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention.

In the figure: 1-a base; 2, connecting blocks; 3-sliding the pressing block; 4-a first sliding groove; 5-a first rod body; 6-a second rod body; 7-a cylinder barrel; 8-a piston rod; 9-a resilient plunger; 10-a limit pin; 11-a second sliding groove; 12-pressure head; 13-a first compression surface; 14-a second compression surface; 15-T type blind rivet; 16-a first sliding surface; 17-second sliding surface.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

As shown in fig. 1 to 3, the small-space bidirectional sliding pressing device is characterized by comprising a base 1, a hydraulic cylinder, a sliding pull rod, a connecting block 2 and a sliding pressing block 3; the base 1 is provided with a first sliding groove 4 penetrating through the upper surface and the lower surface; a cylinder barrel 7 of the hydraulic cylinder is arranged at the lower part of the base 1; the sliding pull rod comprises a first rod body 5 and a second rod body 6, the first rod body 5 is connected with the first sliding groove 4 in a sliding mode, and the lower end of the first rod body 5 is connected with a piston rod 8 of the hydraulic cylinder in the first sliding groove 4; the upper end of the first rod body 5 is connected with the lower end of the second rod body 6 in an obtuse included angle mode, and the upper surface of the second rod body 6 is horizontally arranged; a first limiting hole and a second limiting hole are formed in the upper end of the second rod body 6, the first limiting hole is formed in the radial direction of the second rod body 6, the second limiting hole is formed in the axial direction of the second rod body 6, an elastic plunger 9 is arranged in the second limiting hole, and the upper end of the elastic plunger 9 extends out of the upper surface of the second rod body 6; the connecting block 2 is a hollow cylinder which is axially communicated, the connecting block 2 is sleeved outside the second rod body 6, and the limiting pin 10 penetrates through the connecting block 2 and the first limiting hole to connect the connecting block 2 and the second rod body 6; a second sliding groove 11 is formed in the upper part of the connecting block 2 and the upper surface of the second rod body 6; the lower part of the sliding press block 3 is arranged in the second sliding groove 11, and the elastic plunger 9 is abutted against the lower surface of the sliding press block 3; one side of the sliding pressing block 3 along the sliding direction of the second sliding groove 11 is provided with a pressing head 12, the pressing head 12 is provided with a first pressing surface 13 and a second pressing surface 14, and the first pressing surface 13 and the second pressing surface 14 are intersected.

The first rod body 5 and the piston rod 8 of the hydraulic cylinder are connected through a T-shaped blind rivet 15.

The first pressing surface 13 is vertically arranged to apply a horizontal pressure to a vertical side surface of the workpiece, and the second pressing surface 14 is horizontally arranged to apply a vertical pressure to a horizontal surface of the workpiece.

A first sliding surface 16 is arranged between the pressure head 12 and the connecting block 2, and the first sliding surface 16 is vertically arranged.

A second sliding surface 17 is arranged between the sliding pressing block 3 and the connecting block 2, and the second sliding surface 17 is parallel to the axis of the second rod body 6.

When in a relaxed state, a piston rod 8 of the hydraulic cylinder is in an extending state, and a pressure head 12 of the sliding pressing block 3 is in a relaxed state through the sliding pull rod and the connecting block 2; the compressing state is that the piston rod 8 of the hydraulic cylinder is in a retracting state, the sliding pressing block 3 is in a compressing state through the sliding pull rod, the connecting block 2 and the limiting pin 10, at the moment, the sliding pull rod moves downwards to drive the connecting block 2, the sliding pressing block 3 and the pressing head 12 to move downwards together, when the second compressing surface 14 of the pressing head 12 contacts with a workpiece, the pressing head 12 stops moving downwards, at the moment, the connecting block 2 and the sliding pull rod still move downwards, the sliding pressing block 3 overcomes the elastic force of the elastic plunger 9 to slide relative to the sliding pull rod, the second rod body 6 tilts to horizontally move under the action of the inclination, until the first compressing surface 13 contacts with the workpiece, and the purpose of bidirectional compressing is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a two-way slip closing device in little space which characterized in that: comprises a base, a hydraulic cylinder, a sliding pull rod, a connecting block and a sliding pressing block; the base is provided with a first sliding groove penetrating through the upper surface and the lower surface; the cylinder barrel of the hydraulic cylinder is arranged at the lower part of the base; the sliding pull rod comprises a first rod body and a second rod body, the first rod body is connected with the first sliding groove in a sliding mode, and the lower end of the first rod body is connected with a piston rod of the hydraulic cylinder in the first sliding groove; the upper end of the first rod body is connected with the lower end of the second rod body in an obtuse included angle mode, and the upper surface of the second rod body is horizontally arranged; a first limiting hole and a second limiting hole are formed in the upper end of the second rod body, the first limiting hole is formed in the radial direction of the second rod body, the second limiting hole is formed in the axial direction of the second rod body, an elastic plunger is arranged in the second limiting hole, and the upper end of the elastic plunger extends out of the upper surface of the second rod body; the connecting block is a hollow cylinder which is axially communicated, is sleeved outside the second rod body, and is communicated with the first limiting hole through a limiting pin so as to be connected with the second rod body; the upper part of the connecting block and the upper surface of the second rod body are provided with second sliding grooves; the lower part of the sliding press block is arranged in the second sliding groove, and the elastic plunger is abutted against the lower surface of the sliding press block; a pressure head is arranged on one side of the sliding press block along the sliding direction of the second sliding groove, a first pressing surface and a second pressing surface are arranged on the pressure head, and the first pressing surface is intersected with the second pressing surface; and a second sliding surface is arranged between the sliding pressing block and the connecting block, and the second sliding surface is parallel to the axis of the second rod body.

2. The small-space bidirectional sliding pressing device according to claim 1, wherein: the first rod body is connected with a piston rod of the hydraulic cylinder through a T-shaped rivet.

3. The small-space bidirectional sliding pressing device according to claim 1, wherein: the first pressing surface is vertically arranged and applies pressure in the horizontal direction to the vertical side face of the workpiece, and the second pressing surface is horizontally arranged and applies pressure in the vertical direction to the horizontal plane of the workpiece.

4. The small-space bidirectional sliding pressing device according to claim 1, wherein: set up first glide plane between pressure head and the connecting block, first glide plane vertical setting.