CN219404008U

CN219404008U - Precision positioning fixture structure

Info

Publication number: CN219404008U
Application number: CN202320313779.7U
Authority: CN
Inventors: 南洋; 彭磊
Original assignee: Wuhan Haozhidian Technology Co ltd
Current assignee: Wuhan Haozhidian Technology Co ltd
Priority date: 2023-02-26
Filing date: 2023-02-26
Publication date: 2023-07-25
Anticipated expiration: 2033-02-26

Abstract

The application relates to the technical field of clamps, especially, relate to a fine positioning clamp structure, include: the device comprises a fixed support, a bottom plate, a connecting arm, an air cylinder, clamping plates, a supporting block, a pressing block, an adjustable installation part, a positioning pin and a plurality of groups of limiting baffle parts, wherein the bottom plate and the connecting arm are all installed at the top of the fixed support, the air cylinder is installed at the end part of the connecting arm far away from the fixed support, the clamping plates are connected to the output end of the air cylinder, the supporting block is installed on the upper surface of the bottom plate, the pressing block is installed on the lower surface of the clamping plates, the supporting block and the pressing block are correspondingly arranged, the adjustable installation part is installed on the lower surface of the clamping plates, the top of the positioning pin is installed on the adjustable installation part, the limiting baffle parts are installed on the upper surface of the bottom plate, and the plurality of groups of limiting baffle parts are arranged around the positioning pin at intervals. The utility model provides a through increasing adjustable installation department, locating pin and the spacing portion that keeps off of multiunit, the spacing portion that keeps off of multiunit has good restriction to the locating pin that gradually gets close to, prevents effectively that the locating pin from deflecting, has good accurate positioning effect.

Description

Precision positioning fixture structure

Technical Field

The application relates to the technical field of clamps, in particular to a fine positioning clamp structure.

Background

Currently, a pneumatic clamp is applied to the automatic production of various industries, and as shown in fig. 2, there is a pneumatic clamp comprising: the fixing support comprises a fixing support 1, a bottom plate 2, a connecting arm 3, an air cylinder 10, a clamping plate 4, a supporting block 5 and a pressing block 6, wherein the bottom plate 2 and the connecting arm 3 are both arranged at the top of the fixing support 1, the air cylinder 10 is arranged at the end part of the connecting arm 3, which is far away from the fixing support 1, the clamping plate 4 is connected with the output end of the air cylinder 10, the air cylinder 10 is used for driving the clamping plate 4 to be close to or far away from the bottom plate 2, the supporting block 5 is arranged on the upper surface of the bottom plate 2, and the pressing block 6 is arranged on the lower surface of the clamping plate 4, and the supporting block 5 and the pressing block 6 are correspondingly arranged.

With respect to the related art in the above, the inventors consider that there are the following drawbacks:

in the production process of the large frame structure, the pneumatic clamps are applied to a plurality of groups of the pneumatic clamps, so that each group of the pneumatic clamps is only used for clamping a small part of the large frame structure, in order to ensure that the large frame structure is stably clamped, accurate positioning and clamping between the clamping plate and the bottom plate are required, but the simple design of the supporting blocks and the pressing blocks cannot meet the requirement of the accurate positioning, and the pneumatic clamps are required to be improved.

Disclosure of Invention

The application provides a fine positioning fixture structure to improve following technical problem:

the simple design of the support block and the pressing block of the common pneumatic clamp cannot meet the accurate positioning and clamping requirements between the clamping plate and the bottom plate.

The application provides a fine positioning fixture structure, adopts following technical scheme:

a fine positioning fixture structure, comprising: the automatic positioning device comprises a fixed support, a bottom plate, a connecting arm, an air cylinder, clamping plates, a supporting block and a pressing block, wherein the bottom plate and the connecting arm are all arranged at the top of the fixed support, the air cylinder is arranged at the end part of the connecting arm away from the fixed support, the clamping plates are connected to the output end of the air cylinder, the air cylinder is used for driving the clamping plates to be close to or far away from the bottom plate, the supporting block is arranged on the upper surface of the bottom plate, the pressing block is arranged on the lower surface of the clamping plates, the supporting block and the pressing block are correspondingly arranged.

In an achievable technical scheme of this application, adjustable installation department includes regulating plate, polylith fixed plate and a plurality of adjusting bolt, the regulating plate pass through bolt swing joint in splint, the fixed plate be fixed in the splint, polylith the fixed plate is located at least the both sides of regulating plate, adjusting bolt screw thread assemble in the fixed plate and its tip support tightly in the side of regulating plate is in order to realize adjusting the purpose of the position of regulating plate.

In one technical scheme of the application, the locating pin is of a cylindrical structure, and the top of the locating pin is fixed to the bottom of the adjusting plate.

In one possible technical solution of the present application, the bottom of the positioning pin is provided with a guiding chamfer.

In one technical scheme of the application, the limit baffle part is provided with four groups, and the four groups of limit baffles are respectively positioned at four sides of the locating pin.

In an achievable technical scheme of this application, spacing baffle portion includes base and rolling element, the base install in the upper surface of bottom plate, the rolling element rotate install in on the base, just the axis of rotation level of rolling element is arranged, the rolling element with the circumference lateral wall rolling friction of locating pin.

In one possible embodiment of the present application, the rolling elements are bearings or metal rollers.

In one technical scheme of the application, the fixing support comprises a square steel pipe and a support panel, wherein the support panel is fixed at the bottom of the square steel pipe, and the area of the support panel is larger than the cross section area of the square steel pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

through increasing adjustable installation department, locating pin and the spacing fender portion of multiunit, adjustable installation department provides the mounted position that can movable adjustment for the locating pin, when splint cooperation bottom plate presss from both sides tight article, the spacing fender portion of multiunit has good location restriction effect to the locating pin that gradually gets close to, effectively prevents the locating pin skew, has good accurate positioning effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a fine positioning jig according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a prior art pneumatic clamp.

Reference numerals illustrate:

1. a fixed support; 11. square steel pipes; 12. a support panel; 2. a bottom plate; 3. a connecting arm; 4. a clamping plate; 5. a support block; 6. briquetting; 7. an adjustable mounting portion; 71. an adjusting plate; 72. a fixing plate; 73. an adjusting bolt; 8. a positioning pin; 9. a limit baffle part; 91. a base; 92. a rolling member; 10. and (3) a cylinder.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The present application is described in further detail below in conjunction with fig. 1.

The embodiment of the application discloses a fine positioning fixture structure. Referring to fig. 1, the fine positioning jig structure includes: the fine positioning clamp structure comprises a fixed support 1, a bottom plate 2, a connecting arm 3, an air cylinder 10, a clamping plate 4, a supporting block 5 and a pressing block 6, wherein the bottom plate 2 and the connecting arm 3 are all arranged at the top of the fixed support 1, the air cylinder 10 is arranged at the end part of the connecting arm 3, which is far away from the fixed support 1, the clamping plate 4 is connected to the output end of the air cylinder 10, the air cylinder 10 is used for driving the clamping plate 4 to be close to or far away from the bottom plate 2, the supporting block 5 is arranged on the upper surface of the bottom plate 2, the pressing block 6 is arranged on the lower surface of the clamping plate 4, the supporting block 5 and the pressing block 6 are correspondingly arranged, and the fine positioning clamp structure is characterized in that the fine positioning clamp structure further comprises an adjustable installation part 7, a positioning pin 8 and a plurality of groups of limiting blocking parts 9, the adjustable installation part 7 is arranged on the lower surface of the clamping plate 4, the top of the positioning pin 8 is arranged on the adjustable installation part 7, the limiting blocking parts 9 are arranged on the upper surface of the bottom plate 2, and the groups of the limiting blocking parts 9 are arranged around the positioning pin 8 at intervals.

The beneficial technical effects of the fine positioning fixture structure of the embodiment of the application are approximately as follows:

through increasing adjustable installation department 7, locating pin 8 and multiunit spacing fender portion 9, adjustable installation department 7 provides the mounted position that can movable adjustment for locating pin 8, when splint 4 cooperation bottom plate 2 presss from both sides tight article, multiunit spacing fender portion 9 has good location restriction effect to locating pin 8 that gradually is close to, prevents effectively that locating pin 8 from deflecting, has good accurate positioning effect.

In this embodiment, for the convenience of adjusting the position of the positioning pin 8, the adjustable mounting portion 7 includes an adjusting plate 71, a plurality of fixing plates 72 and a plurality of adjusting bolts 73, the adjusting plate 71 is movably connected to the clamping plate 4 through bolts, the fixing plates 72 are fixed to the clamping plate 4, the plurality of fixing plates 72 are at least located at two sides of the adjusting plate 71, the adjusting bolts 73 are assembled on the fixing plates 72 in a threaded manner, and the ends of the adjusting bolts abut against the side edges of the adjusting plate 71 to achieve the purpose of adjusting the position of the adjusting plate 71, and the adjustable mounting portion 7 of the above design is simpler and more stable in structure.

Specifically, the positioning pin 8 has a cylindrical structure, the top of the positioning pin 8 is fixed to the bottom of the adjusting plate 71, and the bottom of the positioning pin 8 is provided with a guiding chamfer so that the bottom of the positioning pin 8 is aligned and inserted into the gaps between the plurality of groups of limiting baffle parts 9.

In the present embodiment, the limit stopper portions 9 are provided with four groups, and the four groups of limit stopper portions 9 are located on the four sides of the positioning pin 8, respectively.

The limit blocking part 9 comprises a base 91 and a rolling element 92, the base 91 is mounted on the upper surface of the bottom plate 2, the rolling element 92 is rotatably mounted on the base 91, the rotation axis of the rolling element 92 is horizontally arranged, the rolling element 92 and the peripheral side wall of the positioning pin 8 are in rolling friction, and the rolling element 92 is a bearing or a metal wheel.

The limiting baffle part 9 has the advantages of simple and firm structure and convenient installation and replacement.

In order to improve the structural strength of the fixing support 1 and reduce the consumables, cost and weight, the fixing support 1 includes a square steel pipe 11 and a support panel 12, the support panel 12 is fixed to the bottom of the square steel pipe 11, and the area of the support panel 12 is larger than the cross-sectional area of the square steel pipe 11.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. A fine positioning fixture structure, comprising: the device comprises a fixed support (1), a bottom plate (2), a connecting arm (3), an air cylinder (10), a clamping plate (4), a supporting block (5) and a pressing block (6), wherein the bottom plate (2) and the connecting arm (3) are respectively arranged at the top of the fixed support (1), the air cylinder (10) is arranged at the end part of the connecting arm (3) far away from the fixed support (1), the clamping plate (4) is connected with the output end of the air cylinder (10), the air cylinder (10) is used for driving the clamping plate (4) to be close to or far away from the bottom plate (2), the supporting block (5) is arranged on the upper surface of the bottom plate (2), the pressing block (6) is arranged on the lower surface of the clamping plate (4), the supporting block (5) and the pressing block (6) are correspondingly arranged, and the device is characterized in that the fine positioning clamp structure further comprises an adjustable mounting part (7), a positioning pin (8) and a plurality of groups of spacing blocking parts (9), the adjustable mounting part (7) is arranged on the lower surface of the clamping plate (4), the positioning pin (8) is arranged on the top of the bottom plate (2), the positioning part is arranged on the top of the positioning part (7), the limiting baffle parts (9) are arranged around the positioning pins (8) at intervals.

2. The fine positioning jig structure according to claim 1, wherein the adjustable mounting portion (7) includes an adjusting plate (71), a plurality of fixing plates (72) and a plurality of adjusting bolts (73), the adjusting plate (71) is movably connected to the clamping plate (4) through bolts, the fixing plates (72) are fixed to the clamping plate (4), the plurality of fixing plates (72) are located at least on both sides of the adjusting plate (71), the adjusting bolts (73) are screw-fitted to the fixing plates (72) and the ends of the adjusting bolts are abutted against the side edges of the adjusting plates (71) to achieve the purpose of adjusting the positions of the adjusting plates (71).

3. The fine positioning jig structure according to claim 2, wherein the positioning pin (8) is of a cylindrical structure, and a top portion of the positioning pin (8) is fixed to a bottom portion of the adjusting plate (71).

4. The fine positioning jig structure according to claim 1, characterized in that the bottom of the positioning pin (8) is provided with a guiding chamfer.

5. The fine positioning jig structure according to claim 1, wherein the limit stopper portions (9) are provided with four groups, and the four groups of limit stopper portions (9) are located on four sides of the positioning pin (8), respectively.

6. The fine positioning jig structure according to claim 5, wherein the limit stopper portion (9) includes a base (91) and a rolling member (92), the base (91) is mounted to an upper surface of the base plate (2), the rolling member (92) is rotatably mounted to the base (91), and a rotation axis of the rolling member (92) is horizontally arranged, and the rolling member (92) is in rolling friction with a peripheral side wall of the positioning pin (8).

7. The fine positioning jig structure according to claim 6, wherein the rolling member (92) is a bearing or a metal wheel roll.

8. The fine positioning jig structure according to any one of claims 1 to 7, wherein the fixing support (1) comprises a square steel pipe (11) and a support panel (12), the support panel (12) is fixed to the bottom of the square steel pipe (11), and the area of the support panel (12) is larger than the cross-sectional area of the square steel pipe (11).