Multi-station arc-shaped rail clamping jig

Abstract

The utility model relates to a multi-station arc-shaped rail clamping jig which comprises a jig base, a plurality of clamping grooves arranged side by side are formed in the jig base, and two guide rail embedding grooves are symmetrically formed in the two sides of each clamping groove. And the clamping and positioning assembly is embedded in the clamping groove and used for clamping the arc-shaped rail placed in the guide rail embedding groove. The automatic feeding and discharging device is high in positioning accuracy, capable of rapidly feeding and discharging, high in stability and durable, the machining efficiency can be improved to a certain degree, the product quality can be effectively controlled and improved, multiple products can be clamped at a time, and the labor cost and the accessory cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a clamp especially a multi-station arc rail clamping jig. BACKGROUND

[0002] After the arc rail is processed and formed, it still needs to be subjected to a CNC process, needs to be subjected to drilling, tapping, pin hole milling and other operations, however, most of the machining on the market is single piece machining, under the condition that there is error in the angle ruler and the plumb ruler, it is very easy to produce waste and workpiece loosening, and the single piece machining needs to be clamped repeatedly, the feeding and discharging equipment needs to stop moving, leading to low working efficiency, and the production demand cannot be met.

[0003] Therefore, a multi-station arc rail clamping jig is urgently needed to solve the problems in the prior art. SUMMARY

[0004] Therefore, the utility model wants to overcome the problems of single piece machining and unstable clamping in the prior art, provide a multi-station arc rail clamping jig, the positioning precision is high, can quickly feed and discharge, the stability is strong, durable, can improve the machining efficiency to a certain extent, the quality of the product can be effectively controlled and improved, and a plurality of products can be clamped at a time, so that the labor cost and the accessory cost can be reduced.

[0005] To solve the above technical problems, the utility model provides a multi-station arc rail clamping jig, which comprises:

[0006] The jig base is provided with a plurality of clamping grooves arranged side by side, and two guide rail embedding grooves are symmetrically arranged on the two sides of the clamping groove;

[0007] The clamping and positioning assembly is embedded in the inside of the clamping groove and is used for clamping and positioning the arc rail placed in the guide rail embedding groove.

[0008] In an embodiment of the utility model, the clamping and positioning assembly comprises a top block, a supporting inclined block and a pressing inclined block, the top block and the supporting inclined block each comprise two blocks, two top blocks are arranged on the two sides of the clamping groove respectively, one supporting inclined block is arranged on the inner side of each top block, and the pressing inclined block is arranged between the two supporting inclined blocks.

[0009] In an embodiment of the utility model, one side of the top block towards the guide rail embedding groove is arc-shaped. The side surface of the top block is designed as an arc surface, so that the top block is closely combined with the arc rail to be clamped, the arc rail can be clamped more firmly, and a gap between the two is avoided, so that the clamping effect is affected.

[0010] In an embodiment of the utility model, the inner side of the supporting inclined block is equipped with a limiting groove for limiting the downward pressing inclined block. The purpose of the limiting groove is to make the cooperation between the supporting inclined block and the downward pressing inclined block more compact, increase the accuracy of the clamping positioning assembly in positioning the arc rail, and improve the product processing quality.

[0011] In an embodiment of the utility model, the inner wall of the limiting groove is obliquely arranged, a spring is arranged on the inner wall of the limiting groove, and an obliquely arranged guide surface is arranged on both sides of the supporting inclined block. When the downward pressing inclined block is separated from the two supporting inclined blocks, the spring generates a pushing force on both sides of the downward pressing inclined block, and the downward pressing inclined block is pushed out upward.

[0012] In an embodiment of the utility model, both sides of the downward pressing inclined block are equipped with positioning blocks matched with the limiting groove, and one side of the positioning block facing the limiting groove is an inclined surface. The inclined surface arranged on the positioning block can ensure the adjustment of the distance between the two supporting inclined blocks during the movement of the downward pressing inclined block out of the two supporting inclined blocks, thereby realizing the separation of the top block from the arc rail.

[0013] In an embodiment of the utility model, a locking fixing hole is arranged on the downward pressing inclined block. When the arc rail needs to be clamped, a locking bolt is screwed through the locking fixing hole, so that the downward pressing inclined block is clamped in the two supporting inclined blocks; when the arc rail needs to be removed, the locking bolt is loosened, so that the downward pressing inclined block moves upward from the middle of the two supporting inclined blocks, the two supporting inclined blocks move closer to each other, and then the arc rail can be separated from the top block, thereby facilitating the removal of the arc rail.

[0014] In an embodiment of the utility model, first arc grooves are arranged on four corners of the clamping groove, so as to facilitate the removal of the top block from the clamping groove.

[0015] In an embodiment of the utility model, second arc grooves are arranged on four corners of the guide rail embedding groove, so as to facilitate the removal of the arc rail.

[0016] In an embodiment of the utility model, the depth of the guide rail embedding groove is less than the depth of the clamping groove.

[0017] The above technical scheme of the utility model has the following beneficial effects compared with the prior art:

[0018] The multi-station arc rail clamping jig has high positioning accuracy, can quickly perform feeding and discharging, has high stability, is durable, can improve the processing efficiency to a certain extent, and can effectively control and improve the quality of products. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the content of the utility model more easily be clearly understood, the following according to the specific embodiment of the utility model and combining with the drawings, the utility model is further explained in detail, wherein

[0020] Figure 1 It is the structure diagram of the multi-station arc rail clamping jig in the preferred embodiment of the utility model;

[0021] Figure 2 It is Figure 1 The explosion view of the multi-station arc rail clamping jig shown in the figure;

[0022] Description of the drawing mark in the specification: 1, jig base;11, clamping groove;12, guide rail embedding groove;21, top block;22, support inclined block;221, limiting groove;23, downward inclined block;231, positioning block;232, locking fixing hole;100, arc rail. Specific implementation

[0023] The utility model is further explained in combination with the drawings and specific embodiment, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0024] Referring to Figure 1 And 2 The utility model discloses a multi-station arc rail clamping jig, including: jig base 1, be equipped with a plurality of clamping groove 11 that sets up side by side on the jig base 1, two guide rail embedding groove 12 are symmetrically set up on the both sides of clamping groove 11, clamping and positioning assembly 2, embedding setting is in the inside of clamping groove 11, for the arc rail 100 that places to guide rail embedding groove 12 is clamped.The clamping and positioning assembly 2 includes top block 21, support inclined block 22 and downward inclined block 23, the top block 21 and support inclined block 22 all include two blocks, two top block 21 are set up respectively on the both sides of clamping groove 11, and one support inclined block 22 is set up in the inside of each top block 21, and the downward inclined block 23 is set up between two support inclined blocks 22.

[0025] The side of top block 21 in the embodiment towards guide rail embedding groove 12 is arc-shaped.The arc-shaped surface design of top block 21 makes top block 21 closely fit with the arc rail 100 to be clamped, can guarantee that arc-shaped rail 100 is clamped more firmly, avoids the gap between both, influences the effect of clamping.

[0026] Further, the inside of support inclined block 22 is equipped with limiting groove 221 for limiting downward inclined block 23.The purpose of limiting groove 221 design is to make the cooperation between support inclined block and downward inclined block more closely, increase the accuracy of clamping and positioning assembly to arc rail positioning, improve product processing quality.

[0027] The inner wall of the limiting groove 221 is inclined in the embodiment, the spring is arranged on the inner wall of the limiting groove 221, and the guiding surfaces are arranged on the two sides of the supporting inclined blocks 22 and are inclined.

[0028] Further, the two sides of the pressing inclined block 23 are provided with the positioning blocks 231 matched with the limiting groove 221, and one side of the positioning block 231 towards the limiting groove 221 is an inclined surface. The inclined surface arranged on the positioning block 231 can ensure that the distance between the two supporting inclined blocks 22 is gradually adjusted during the upward movement of the pressing inclined block 23 from between the two supporting inclined blocks 22, so that the top block 21 is separated from the arc-shaped rail 100.

[0029] The pressing inclined block 23 is provided with the locking fixing hole 232 in the embodiment. When the arc-shaped rail 100 needs to be clamped, the locking bolt is screwed through the locking fixing hole 232, so that the pressing inclined block 23 is clamped in the two supporting inclined blocks 22. When the arc-shaped rail 100 needs to be removed, the locking bolt is loosened, so that the pressing inclined block 23 moves upward from between the two supporting inclined blocks 22, the two supporting inclined blocks 22 are close to each other, and then the arc-shaped rail 100 is separated from the top block 21, so that the arc-shaped rail 100 can be taken out.

[0030] Preferably, the four corners of the clamping groove 11 are provided with the first arc-shaped groove 111, so that the top block 21 can be taken out from the clamping groove 11. The four corners of the guide rail embedding groove 12 are provided with the second arc-shaped groove 121, so that the arc-shaped rail 100 can be taken out.

[0031] The depth of the guide rail embedding groove 12 is less than the depth of the clamping groove 11 in the embodiment.

[0032] Based on the specific structure of the multi-station arc-shaped rail clamping jig in the above embodiment, when used, the equal cavities are milled according to the product shape, the pressing inclined block 23, the supporting inclined block 22 and the top block 21 are matched, two or more arc-shaped rails 100 are clamped at a time, the clamping accessory loss and time cost can be saved by nearly half, the clamping jig and the CNC four-axis combination can be used, the single machining of multiple arc-shaped rails 100 can be realized, multiple machining surfaces can be machined at a time, multiple machining processes can be reduced, repeated clamping can be avoided, the quality of the product can be guaranteed, and the generation of defective products can be greatly reduced.

[0033] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be enumerated. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A multi-station curved rail clamping jig, characterized by: The utility model relates to a kind of arc rail clamping device, including: Jig base is equipped with several parallelly arranged clamping slots, two guide rail embedding slots are symmetrically arranged in the two sides of the clamping slot; Clamping and positioning assembly is embedded in the inside of the clamping slot, for clamping and clamping the arc rail placed in guide rail embedding slot;The clamping and positioning assembly includes top block, support inclined block and press-down inclined block, the top block and support inclined block are all included two blocks, two top blocks are respectively arranged in the two sides of the clamping slot, and one support inclined block is arranged in the inner side of each top block, and press-down inclined block is arranged between two support inclined blocks.

2. The multi-station curved rail clamping fixture of claim 1, wherein: The side of the top block towards the guide rail embedding slot is arc-shaped.

3. The multi-station curved rail clamping fixture of claim 1, wherein: The inner side of the support inclined block is provided with a limiting groove for limiting the press-down inclined block.

4. The multi-station curved rail clamping fixture of claim 3, wherein: The inner wall of the limiting groove is inclinedly arranged, a spring is arranged on the inner wall of the limiting groove, and inclined guide surfaces are arranged on the two sides of the limiting groove on the support inclined block.

5. The multi-station curved rail clamping fixture of claim 4, wherein: The two sides of the press-down inclined block are provided with positioning blocks matched with the limiting groove, and the side of the positioning block towards the limiting groove is inclined.

6. The multi-station curved rail clamping fixture of claim 5, wherein: Locking fixing hole is arranged on the press-down inclined block.

7. The multi-station arc rail clamping jig according to claim 1, wherein: First arc-shaped grooves are arranged on the four corners of the clamping slot, to facilitate the removal of the top block from the clamping slot.

8. The multi-station curved rail clamping fixture of claim 1, wherein: Second arc-shaped grooves are arranged on the four corners of the guide rail embedding slot, to facilitate the removal of the arc rail.

9. The multi-station curved rail clamping fixture of claim 1, wherein: The depth of the guide rail embedding slot is less than the depth of the clamping slot.

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