CN219275152U

CN219275152U - Multistation processing tool convenient to dismantle

Info

Publication number: CN219275152U
Application number: CN202223401232.7U
Authority: CN
Inventors: 申圣军
Original assignee: Suzhou Jiakaiyi Precision Machinery Co ltd
Current assignee: Suzhou Jiakaiyi Precision Machinery Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-30
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a multi-station machining jig convenient to detach, which relates to the technical field of product clamps and comprises a bottom plate and a plurality of fixing devices arranged on the bottom plate and used for fixing products, wherein a clamping space for accommodating the products to be machined is formed between two adjacent fixing devices; the fixing device comprises a front pressing plate, a rear pressing plate, a stop block, an upper pressing block, a lower pressing block, a first T-shaped block and a second T-shaped block, wherein the upper pressing block and the lower pressing block are arranged between the front pressing plate and the rear pressing plate; the bottom of dog is provided with the sawtooth structure, and the upper portion of bottom plate is provided with the sawtooth structure down of going up sawtooth structure looks adaptation, and the sawtooth structure meshes with the sawtooth structure down of part on the bottom plate on the dog bottom. The utility model has the advantages of high reliability, accurate positioning, compact structure and the like, and the product to be processed is fixed between the stop blocks and the front and rear pressing plates in two adjacent fixing devices, so that a plurality of products to be processed can be rapidly clamped and disassembled, and the processing efficiency of the product is improved.

Description

Multistation processing tool convenient to dismantle

Technical Field

The utility model relates to the technical field of product clamps, in particular to a multi-station machining jig convenient to detach, which is used for clamping multiple products simultaneously.

Background

In the field of machining of mechanical parts, a product can be clamped and fixed through a clamping jig during machining, and the product is machined through machining equipment.

The traditional mechanical part machining method is generally single-piece machining, a single-piece clamping is adopted, 1 product is required to be clamped and disassembled for 1 time in each machining, the tool used for clamping is generally mainly a bench vice single-piece clamping, a workpiece is clamped and loosened through jaw back and forth movement, if the bench vice is controlled to open and close through a motor, the motor is required to be started and stopped once in each clamping and disassembling process, the service life of the motor is influenced after the service time is long, the traditional clamping mode is low in efficiency, the traditional clamping mode is not suitable for production and machining of large-scale products, particularly for products requiring multiple machining procedures, the products subjected to single clamping need to be subjected to one procedure in each procedure, and the clamping is repeated again, so that the efficiency is lower.

Therefore, there is an urgent need to develop a machining fixture with multiple stations, which can rapidly clamp and detach a product to be machined.

Disclosure of Invention

The utility model aims to solve the problems, designs a multi-station processing jig convenient to detach, and solves the problem of low processing efficiency caused by the fact that only a single product can be clamped at the same time.

The technical scheme of the utility model for achieving the purpose is that the multi-station processing jig convenient to detach comprises a bottom plate and a plurality of fixing devices which are arranged on the bottom plate and are used for fixing products, wherein a clamping space for accommodating the products to be processed is formed between two adjacent fixing devices;

the fixing device comprises a front pressing plate, a rear pressing plate, a stop block, an upper pressing block, a lower pressing block, a first T-shaped block and a second T-shaped block, wherein the upper pressing block and the lower pressing block are arranged between the front pressing plate and the rear pressing plate, the first T-shaped block is arranged under the upper pressing block and the lower pressing block, the second T-shaped block is arranged under the stop block, the first T-shaped block and the second T-shaped block are arranged on the inner side of the bottom plate and are in sliding connection with the bottom plate, and the lower ends of the front pressing plate and the rear pressing plate are in sliding connection with the bottom plate;

the bottom of the stop block is provided with an upper sawtooth structure, the upper part of the bottom plate is provided with a lower sawtooth structure matched with the upper sawtooth structure, and the upper sawtooth structure at the bottom of the stop block is meshed with a part of the lower sawtooth structure on the bottom plate;

the upper pressing block and the lower pressing block can move up and down relative to the first T-shaped block, two sides of the upper pressing block and the lower pressing block are respectively matched with the front pressing plate and the rear pressing plate and the stop block in an inclined plane mode, and the size of the clamping space is adjusted by adjusting the lifting height of the upper pressing block and the lower pressing block to enable the front pressing plate and the rear pressing plate to move left and right along the bottom plate.

Further, the upper pressing block, the lower pressing block and the stop block are provided with adjusting bolts for adjusting lifting, and the two adjusting bolts respectively penetrate through the upper pressing block, the lower pressing block and the stop block and then are respectively in threaded connection with the first T-shaped block and the second T-shaped block, and the lifting heights of the upper pressing block, the lower pressing block and the stop block are adjusted through the adjusting bolts.

Further, the fixing device further comprises a rebound assembly for returning the stop block to the original position, the rebound assembly comprises a guide rod and a pressure spring sleeved on the guide rod, the guide rod sequentially penetrates through the stop block, the upper pressing block and the lower pressing block and is fixedly connected with the front pressing plate and the rear pressing plate, and the pressure spring is arranged in the stop block and is located between the guide rod and the stop block.

Further, grooves with U-shaped cross sections are formed in the bottom surfaces of the upper pressing block and the lower pressing block, and one end of the guide rod penetrates through the grooves and is fixedly connected with the front pressing plate and the rear pressing plate.

Further, the upper sawtooth structures are arranged on two sides of the bottom of the stop block, and the lower sawtooth structures are arranged on two sides of the upper part of the bottom plate and correspond to the upper sawtooth structures.

Further, the vertical cross-sectional shapes of the front pressing plate, the rear pressing plate and the stop block are right trapezoid, the vertical cross-sectional shapes of the upper pressing block and the lower pressing block are isosceles trapezoid, and the inclined planes on two sides of the upper pressing block and the lower pressing block are respectively tightly attached to the inclined planes on one side of the front pressing plate, the rear pressing plate and the inclined planes on one side of the stop block and mutually slide.

Further, a chute with a convex cross section is formed in the bottom plate, and the first T-shaped block, the second T-shaped block and the front and rear pressing plates are in sliding connection with the chute.

Further, each adjusting bolt is sleeved with a clamp.

Compared with the prior art, the beneficial effects are that:

the utility model has the advantages of high reliability, accurate positioning, compact structure and the like, the upper pressing block and the lower pressing block move downwards by rotating the adjusting bolt and force the front pressing plate and the rear pressing plate to move left and right, as the stop blocks are meshed and fixed with the bottom plate, the products to be processed are clamped and fixed by matching the stop blocks of the two adjacent fixing devices with the front pressing plate and the rear pressing plate, the meshed connection between the stop blocks and the bottom plate can improve the integral anti-vibration and pressure-stabilizing effect of the device and is not easy to shake, the distance between the two adjacent fixing devices can be adjusted according to different sizes of the products, and the clamping mode can realize the rapid clamping and the disassembly of the products to be processed, simultaneously clamp a plurality of products and improve the processing efficiency of the products.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model

FIG. 2 is a schematic view of the structure of the base plate of the present utility model;

FIG. 3 is a schematic view of the structure of the fixing device of the present utility model;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

fig. 5 is a schematic view of the structure of the fixing device of the present utility model with the stopper removed.

In the figure, 1, a bottom plate; 11. a lower saw tooth structure; 12. a chute; 2. a fixing device; 21. front and rear pressing plates; 22. pressing blocks up and down; 221. a groove; 23. a stop block; 231. a fixture fixing hole; 232. an upper saw tooth structure; 24. a first T-block; 25. a second T-block; 26. a rebound assembly; 261. a guide rod; 262. a pressure spring; 27. an adjusting bolt; 28. a clamp; 3. clamping space.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, an embodiment of the present utility model provides a multi-station processing fixture convenient to detach, which mainly includes a bottom plate 1, and a plurality of fixing devices 2 disposed on the bottom plate 1 and used for fixing products, wherein the number of the fixing devices 2 is adjusted according to actual processing requirements, the fixing devices 2 are linearly arranged along the upper portion of the bottom plate 1, a clamping space 3 used for accommodating the products to be processed is formed between two adjacent fixing devices 2, and two ends of the products are clamped and fixed by the two adjacent fixing devices 2, so that the products can be rapidly clamped and detached.

As shown in fig. 3 and 4, the fixing device 2 includes front and rear pressing plates 21, a stopper 23, a first T-shaped block 24, a second T-shaped block 25, an up and down pressing block 22, a rebound assembly 26, and other components, wherein the vertical cross-sectional shapes of the front and rear pressing plates 21 and the stopper 23 are right trapezoid, the vertical cross-sectional shapes of the up and down pressing block 22 are isosceles trapezoid, two inclined surfaces of the up and down pressing block 22 are respectively abutted against inclined surfaces of one side of the front and rear pressing plates 21 and the stopper 23, and can slide up and down relative to the front and rear pressing plates 21 and the stopper 23, when the up and down pressing block 22 slides up and down, the front and rear pressing plates 21 and the stopper 23 on two sides of the up and down pressing block 22 can move left and right under the action of force, wherein two symmetrically distributed fixture fixing holes 231 are further formed on the end surfaces of the stopper 23, which can be used for manufacturing a fixture for fixture, and the fixture is convenient to be repeatedly used.

As shown in fig. 2, a chute 12 with a "convex" cross section is formed in the middle position of the upper portion of the bottom plate 1, the first T-shaped block 24 and the second T-shaped block 25 are both disposed inside the chute 12 and slidably connected to the chute 12, the lower half portion of the front and rear pressing plates 21 is also of an inverted T-shaped structure and slidably connected to the chute 12, and the upper and lower pressing blocks 22 and the stopper 23 are respectively located right above the first T-shaped block 24 and the second T-shaped block 25, and in order to adjust the height of the upper and lower pressing blocks 22 during the vertical lifting, an adjusting bolt 27 is disposed in the middle of the upper and lower pressing blocks 22, and the adjusting bolt 27 passes through the upper and lower pressing blocks 22 to be in threaded connection with the first T-shaped block 24.

The two sides of the bottom of the stop block 23 are provided with an upper sawtooth structure 232, the two sides of the upper part of the bottom plate 1 are provided with a lower sawtooth structure 11 which is matched with the upper sawtooth structure 232, the middle of the stop block is also provided with an adjusting bolt 27, the lower end of the adjusting bolt 27 is in threaded connection with the second T-shaped block 25, the stop block 23 can move downwards by rotating the adjusting bolt 27 and is meshed and fixed with the bottom plate 1 through the sawtooth structure, the first T-shaped block 24 is fixed up and down, when the adjusting bolt 27 on the upper pressing block 22 and the lower pressing block 22 are rotated, the upper pressing block 22 and the lower pressing block 22 are driven to move up and down through the adjusting bolt 27, the front pressing plate 21 and the rear pressing plate 21 can be forced to move left and right due to the fixed stop block, the size of a clamping space between the two fixing devices 2 is adjusted, and two ends of a product to be processed are clamped and fixed by the front pressing plate and the rear pressing plate and the stop block in two adjacent fixing devices respectively.

Wherein all be provided with clamp 28 on every adjusting bolt 27, after adjusting bolt loosens, the briquetting 22 and dog 23 skew upwards about being convenient for, owing to dog 23 is with bottom plate 1 meshing, consequently can improve the holistic antidetonation steady voltage effect of device to can also adjust the original interval (i.e. the size of centre gripping space 3) between two fixing device 2 according to the difference of product size.

As shown in fig. 5, the rebound assembly 26 is configured to facilitate the return of the block 23 to the original position (i.e. a position where no relative sliding occurs between the block 22 and the block 23) after the adjustment bolt 27 loosens the block 22 and the block 23, where the rebound assembly 26 is composed of a guide rod 261 and a compression spring 262 sleeved on the guide rod 261, where a groove 221 with a "U" shaped cross section is formed on the bottom surface of the block 22, one end of the guide rod 261 passes through the groove 221 at the bottom of the block 23 and the block 22 in sequence, and then is fixedly connected with the front and rear pressing plates 21 (it is to be noted that the guide rod 261 passes through the block 23 and the block 22 from the side and is fixedly connected with the front and rear pressing plates 21, and thus does not collide with the two adjustment bolts 27), where the compression spring 262 is disposed inside the block 23 and can move telescopically between the block 23 and the guide rod 261, when the front and rear pressing plates 21 are laterally moved, the compression spring 262 is compressed, and when the front and rear pressing plates 21 need to return to the original position, the compression spring 262 and the guide rod 21 are pulled back to the original position, thereby preventing the chip from being clamped down.

The processing jig can carry out multi-piece processing by one-time clamping, is matched with four-axis multi-piece multi-surface processing, is more suitable for processing batch products, can greatly improve processing efficiency, saves processing time, flexibly adjusts the size of the interval between two adjacent fixing devices 2 according to different product sizes, and meets the requirements of clamping products with various sizes.

The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.

Claims

1. The multi-station machining jig is characterized by comprising a bottom plate (1) and a plurality of fixing devices (2) arranged on the bottom plate (1) and used for fixing products, wherein a clamping space (3) for accommodating the products to be machined is formed between two adjacent fixing devices (2);

the fixing device (2) comprises a front pressing plate (21), a rear pressing plate (21), a stop block (23), an upper pressing block (22) and a lower pressing block (22) which are arranged between the front pressing plate (21) and the stop block (23), a first T-shaped block (24) which is arranged under the upper pressing block and the lower pressing block (22), and a second T-shaped block (25) which is arranged under the stop block (23), wherein the first T-shaped block (24) and the second T-shaped block (25) are arranged on the inner side of the bottom plate (1) and are in sliding connection with the bottom plate (1), and the lower end of the front pressing plate (21) is in sliding connection with the bottom plate (1);

the bottom of the stop block (23) is provided with an upper sawtooth structure (232), the upper part of the bottom plate (1) is provided with a lower sawtooth structure (11) matched with the upper sawtooth structure (232), and the upper sawtooth structure (232) at the bottom of the stop block (23) is meshed with part of the lower sawtooth structure (11) on the bottom plate (1);

the upper pressing block (22) can move up and down relative to the first T-shaped block (24), two sides of the upper pressing block (22) are respectively matched with the front pressing plate (21) and the rear pressing plate (21) in an inclined plane manner and the size of the clamping space (3) is adjusted by adjusting the lifting height of the upper pressing block (22) so that the front pressing plate (21) moves left and right along the bottom plate (1).

2. The multi-station machining jig convenient to detach according to claim 1, wherein an adjusting bolt (27) for adjusting lifting is arranged on each of the upper pressing block (22) and the lower pressing block (23), and the two adjusting bolts (27) respectively penetrate through the upper pressing block (22) and the lower pressing block (23) and then are respectively in threaded connection with the first T-shaped block (24) and the second T-shaped block (25), and the lifting heights of the upper pressing block (22) and the lower pressing block (23) are adjusted through the adjusting bolts (27).

3. The multi-station machining jig convenient to detach according to claim 1, wherein the fixing device (2) further comprises a rebound assembly (26) for returning the stop block (23) to a original position, the rebound assembly (26) comprises a guide rod (261) and a pressure spring (262) sleeved on the guide rod (261), the guide rod (261) sequentially penetrates through the stop block (23) and the upper and lower pressing blocks (22) to be fixedly connected with the front and rear pressing plates (21), and the pressure spring (262) is arranged in the stop block (23) and is located between the guide rod (261) and the stop block (23).

4. A multi-station machining jig convenient to detach according to claim 3, wherein a groove (221) with a U-shaped cross section is formed in the bottom surface of the upper pressing block (22), and one end of the guide rod (261) penetrates through the groove (221) and is fixedly connected with the front pressing plate and the rear pressing plate (21).

5. The multi-station machining jig convenient to detach according to claim 1, wherein the upper sawtooth structures (232) are arranged on two sides of the bottom of the stop block (23), and the lower sawtooth structures (11) are arranged on two sides of the upper portion of the bottom plate (1) and correspond to the upper sawtooth structures (232).

6. The multi-station machining jig convenient to detach according to claim 1, wherein the vertical cross-sectional shapes of the front pressing plate (21) and the rear pressing plate (21) and the stop block (23) are right trapezoid, the vertical cross-sectional shapes of the upper pressing block and the lower pressing block (22) are isosceles trapezoid, and inclined surfaces on two sides of the upper pressing block and the lower pressing block (22) are respectively adhered to inclined surfaces on one side of the front pressing plate (21) and the rear pressing plate (23) and mutually slide.

7. The multi-station machining jig convenient to detach according to claim 1, wherein a chute (12) with a convex cross section is formed in the bottom plate (1), and the first T-shaped block (24), the second T-shaped block (25) and the front and rear pressing plates (21) are slidably connected with the chute (12).

8. The multi-station machining jig convenient to detach according to claim 2, wherein a clamp (28) is sleeved on each adjusting bolt (27).