Double-station machining positioning device
By designing a dual-station machining positioning device, which employs a sliding base plate and a rotating mechanism, automated clamping and secondary positioning are achieved, solving the efficiency and accuracy problems of existing fixtures and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202423050108.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing fixtures can only complete one positioning in one clamping, which affects work efficiency and machining accuracy, and secondary positioning and clamping can lead to product quality problems.
Design a dual-station machining positioning device, which adopts a sliding base plate and a rotating device, combined with a sliding device and a clamping device, to achieve automated clamping and secondary positioning. The positioning accuracy and stability are ensured by the cooperation of slide rails and positioning screws.
It achieves automated clamping and secondary positioning, which improves production efficiency and processing accuracy, reduces quality problems caused by manual operation, and lowers production costs.
Smart Images

Figure CN223572518U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of frock clamp, specifically a double-station machining positioning device. BACKGROUND
[0002] In prior art, frock clamp is the most common clamp in the field of machining, and the current clamp is generally fixed form, and one-time clamping can only complete one positioning, and one machining surface of the product is machined, if other machining surfaces need to be machined, the product is often unloaded, and then adjusted and clamped again, which greatly influences work efficiency, and secondary positioning and clamping also causes machining precision to be influenced, and product quality problems are caused.
[0003] Therefore, the market urgently needs a positioning device which can automatically displace and facilitate secondary positioning after one-time clamping, so as to improve efficiency and machining precision. SUMMARY
[0004] The utility model discloses a kind of improved double-station machining positioning devices, and by the improvement of structure, it can complete automatic clamping and secondary positioning, it is simple to operate, positioning precision is high, and production efficiency is improved.
[0005] In order to achieve the above object, the technical scheme of the utility model is as follows: a double-station machining positioning device is used for positioning the product to be machined, comprising a flange plate, characterized in that: a slidable bottom plate is provided on the flange plate, a front side plate and a rear side plate corresponding to each other are provided on the bottom plate, a product placement area is formed between the front and rear side plates, and a rotating device is provided in the product placement area; a set of sliding devices matched with each other are provided on both sides of the bottom plate, front and rear clamping devices for clamping the product are provided on the sliding devices, and the front and rear clamping devices are fixedly connected with the front and rear side plates respectively.
[0006] Preferably, the sliding device comprises a set of symmetrical stands, two parallel sliding rails are provided on each stand, a sliding block matched with each sliding rail is provided on each sliding rail, and a clamping device is provided on the sliding block.
[0007] Further, the rotating device comprises two rotating hydraulic cylinders, the two rotating hydraulic cylinders are fixedly connected with the front side plate, and a base for mounting the product is provided above the rotating hydraulic cylinders.
[0008] Further, two positioning pins for fixing the product are provided on the base, one is a cylindrical positioning pin, and the other is a rhombic positioning pin.
[0009] Further, two linear hydraulic cylinders are provided between the flange plate and the bottom plate for pushing the bottom plate to slide linearly along the flange plate.
[0010] Further, the two ends of the slide rail are respectively provided with a positioning block, and a set of positioning screws with adjustable extension positions are arranged on each positioning block, so that the sliding distance of the front side plate is adjusted.
[0011] Further, the two ends of the slide rail are respectively provided with a positioning block, and a set of positioning screws with adjustable extension positions are arranged on each positioning block, so that the sliding distance of the front side plate is adjusted.
[0012] Further, the two ends of the slide rail are respectively provided with a positioning block, and a set of positioning screws with adjustable extension positions are arranged on each positioning block, so that the sliding distance of the front side plate is adjusted.
[0013] 1、 the improved scheme of the utility model discloses a flange plate, and the flange plate is provided with a slidable bottom plate, the bottom plate is provided with a front side plate and a rear side plate corresponding to each other, a product placing area is formed between the front side plate and the rear side plate, and a rotating device is arranged in the product placing area;The two sides of the bottom plate are provided with a set of sliding devices matched with each other, the sliding devices are provided with front and rear clamping devices for clamping products, and the front and rear clamping devices are fixedly connected with the front and rear side plates respectively, so that the positioning device can be automatically clamped and positioned again through cooperation of the sliding devices, the clamping devices and the like, the operation is simple, positioning precision is high, quality problems caused by manual operation are reduced, and production efficiency is improved;
[0014] 2、 the technical scheme of the utility model discloses a sliding device, and the sliding device comprises a set of symmetrical stands, two parallel slide rails are arranged on each stand, a sliding block matched with each slide rail is arranged on each slide rail, and a clamping device is arranged on the sliding block, so that the stability and rigidity of the clamping device are effectively ensured, and the dynamic balance of the whole tooling is ensured at the same time;
[0015] 3、 the structure of the utility model discloses that a locking hole matched with the positioning screw is arranged on each positioning block, and the end of the positioning screw is provided with two locking nuts matched with each other, and the tightening directions of the two locking nuts are opposite, so that the locking and positioning effect of the positioning screw is ensured, and loosening is prevented;
[0016] 4、 the utility model discloses simple structure, reasonable layout, convenient to use, good clamping and positioning effect on products, convenient for accurate secondary processing, saves manpower and material resources, and is convenient for promotion and utilization. DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is an explosion structure schematic view of the utility model.
[0018] Figure 2 It is a local schematic view in one embodiment of the utility model.
[0019] Figure 3 It is Figure 2Enlarged schematic view of the middle C portion of the positioning screw.
[0020] Figure 4 Structure schematic view of another embodiment of the present application.
[0021] Figure 5 Usage state schematic view of the positioning screw and the positioning nut of the present application.
[0022] Reference signs are as follows:
[0023] 1 flange plate;
[0024] 2 straight line hydraulic cylinder;
[0025] 3 bottom plate locking screw;
[0026] 4 bottom plate;
[0027] 5 rotary hydraulic cylinder;
[0028] 6 rear side plate;
[0029] 7 first positioning screw;
[0030] 8 second positioning screw;
[0031] 9 slide rail locking screw;
[0032] 10 slide rail;
[0033] 11 positioning block;
[0034] 12 vertical seat;
[0035] 13 sliding block;
[0036] 14 product;
[0037] 15 base;
[0038] 16 front side plate;
[0039] 17 side plate positioning pin;
[0040] 18 positioning nut. DETAILED DESCRIPTION
[0041] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0042] The present application provides a double-station machining positioning device for positioning a product to be machined. The machining positioning device comprises a flange plate 1, and specificallyFigure 1 The difference from the prior art is that the flange plate 1 is provided with a slidable bottom plate 4, the product can be transported from the first machining position to the second machining position through the sliding of the bottom plate, the bottom plate is provided with a front side plate 16 and a rear side plate 6 corresponding to each other, a product placing area is formed between the front side plate and the rear side plate, and a rotating device is arranged in the product placing area; a set of sliding devices corresponding to each other are arranged on both sides of the bottom plate, front and rear clamping devices for clamping the product are arranged on the sliding devices, and the front and rear clamping devices are fixedly connected with the front and rear side plates respectively.
[0043] In the implementation, when the product 14 is installed on the base 15 and the two rotating hydraulic cylinders 5 are pressed against the product, the linear hydraulic cylinders 2 will push and pull the product clamping module to one end of the positioning block, at this time, the area to be machined will be at the origin of the rotation center, when the product pipe port features at one end are machined, the movement of the two linear hydraulic cylinders is controlled through the machine tool command, so that the product clamping module moves to the other end of the positioning block through the slide rail 13, at this time, the area to be machined at the other end will be at the origin of the rotation center, which is convenient for subsequent machining.
[0044] Embodiment 1
[0045] In this embodiment, the flange plate 1 is provided with a slidable bottom plate 4, the product can be transported from the first machining position to the second machining position through the sliding of the bottom plate, the bottom plate is provided with a front side plate 16 and a rear side plate 6 corresponding to each other, a product placing area is formed between the front side plate and the rear side plate, and a rotating device is arranged in the product placing area; a set of sliding devices corresponding to each other are arranged on both sides of the bottom plate, front and rear clamping devices for clamping the product are arranged on the sliding devices, and the front and rear clamping devices are fixedly connected with the front and rear side plates respectively, under the driving of the front and rear sliding devices, the product can be effectively displaced stably and accurately.
[0046] Specifically, the sliding device includes a set of symmetrical pedestals 12, each pedestal is provided with two parallel slide rails 10, each slide rail is provided with a sliding block 13 matched therewith, and the sliding block is provided with a clamping device. The pedestal here is a column, the inner side thereof is a plane for arranging the slide rails, and the outer side thereof is a circular arc.
[0047] Further, the rotating device includes two rotating hydraulic cylinders 5, the two rotating hydraulic cylinders are fixedly connected with the front side plate 16, and the rotating hydraulic cylinders are provided with a base 15 above for mounting the product. The base is provided with two positioning pins for fixing the product, one is a cylindrical positioning pin, and the other is a rhombic positioning pin. The product can be attached to the base through the mounting surface at the bottom, and then accurately positioned through the two positioning pins, so that the product will not be displaced during machining and movement.
[0048] Further, two linear hydraulic cylinders 2 are arranged between the flange plate 1 and the bottom plate 4, for pushing the bottom plate to slide linearly along the flange plate. The two ends of the slide rail are respectively provided with a positioning block 11, and a set of adjustable extension position positioning screws (first positioning screw 7 and second positioning screw 8) are arranged on each positioning block. By adjusting the extension length of the two positioning screws, the sliding distance of the front side plate can be adjusted. Meanwhile, a locking hole matched with the positioning screw is arranged on each positioning block, and the end of the positioning screw is provided with two locking nuts matched with each other, and the tightening directions of the two locking nuts 18 are opposite. The two locking nuts are tightened in opposite directions, which ensures that the position of the positioning screw will not be loosened even if the positioning block is impacted by the front side plate when the positioning screw is effectively locked, thereby ensuring the accurate positioning of the product movement.
[0049] Embodiment 2
[0050] In this embodiment, a slideable bottom plate is arranged on the flange plate, and a front side plate and a rear side plate corresponding to each other are arranged on the bottom plate, and a product placing area is formed between the front side plate and the rear side plate. A rotating device is arranged in the product placing area. A set of slide devices matched with each other are arranged on the two sides of the bottom plate, and front and rear clamping devices for clamping the product are arranged on the slide devices, and the front and rear clamping devices are fixedly connected with the front and rear side plates respectively.
[0051] When the product is installed on the base and the two rotating hydraulic cylinders are pressed against the product, the linear hydraulic cylinders will push the clamping device to one end of the positioning block, at this time the product placing area will be at the origin of the rotation center. When the product pipe feature at one end is machined, the two linear hydraulic cylinders are controlled to move by the machine tool command, so that the clamping device moves to the other end of the positioning block through the slide rail. At this time, the product placing area at the other end will be at the origin of the rotation center, which is convenient for subsequent machining.
[0052] Specifically, the slide device adopts a double stand structure, two slide rails and a sliding block are arranged on the stand, and the clamping device is installed on the sliding block. Through the double stand and double slide rail structure, the stability and rigidity of the clamping device can be effectively guaranteed, and the dynamic balance of the whole tooling can also be guaranteed.
[0053] Two linear hydraulic cylinders are installed on the flange, and one end is connected to the clamping device. When the product is clamped and fixed, the two linear hydraulic cylinders will push and pull the product to one end of the positioning surface, and the product at one end area is machined. When the machining at one end area is completed, the two linear hydraulic cylinders are controlled by the numerical control machine tool command to move the clamping device to the other end of the positioning surface, while ensuring that the area to be machined is at the rotation center position. This process adopts automatic secondary positioning, reduces manual operation and related quality problems, and improves the production efficiency.
[0054] The positioning block is provided with two positioning screws, so that the two to-be-processed areas can be quickly adjusted at the rotation center of the device during debugging, and two matched locking nuts are arranged on one side of the positioning block to prevent loosening of the positioning screws, and the locking nuts are tightened to generate two friction surfaces, the first friction surface is located between the locking nut and the positioning screw, and the second friction surface is located between the two locking nuts, when the impact and vibration load acts, the friction of the first friction surface may be reduced or even disappear, but the second friction surface is compressed by the first locking nut, so that the friction of the second friction surface is increased, thereby effectively preventing the relative rotation of the threaded pair, and the loosening effect is achieved, see Figure 5 .
[0055] The base is provided with two positioning pins, a cylindrical pin and a rhombic pin, the product is positioned and installed on the base through the two-pin face mode, the positioning accuracy of the product can be effectively ensured, and the over-positioning situation can be avoided, the bottom plate and the front and rear side plates are provided with two side plate positioning pin holes in addition to the threaded fixing, the two side plate positioning pins are interference assembled, the positioning accuracy of the three components can be ensured, the strength and rigidity of the connection of the three components can be improved, and the stability under long-term back-and-forth movement can be ensured.
[0056] Compared with the prior art, the device has the advantages that: the device adopts automatic clamping and secondary positioning, is simple to operate, has high precision, is strong in universality, is high in efficiency, reduces quality problems caused by manual operation and human factors, greatly improves production efficiency and reduces quality problems, reduces labor cost, thereby reduces production cost and improves market competitiveness.
[0057] The above content is a further detailed description of the utility model made in combination with specific preferred embodiments, and the utility model cannot be limited to the above description. For ordinary skilled persons in the technical field to which the utility model belongs, some simple deductions or substitutions can be made without departing from the concept of the utility model, and all of them should be regarded as falling within the protection scope of the utility model.
Claims
1. A dual-station machining positioning device for positioning a product being processed, the machining positioning device comprising a flange, characterized in that: The flange is equipped with a sliding base plate, on which are corresponding front and rear side plates. The front and rear side plates form a product placement area, and a rotating device is provided in the product placement area. A set of sliding devices that cooperate with each other are provided on both sides of the base plate. The sliding devices are equipped with front and rear clamping devices for clamping the product. The front and rear clamping devices are fixedly connected to the front and rear side plates, respectively.
2. The dual-station machining positioning device according to claim 1, characterized in that: The sliding device includes a set of symmetrically arranged stands, each stand having two parallel slide rails, each slide rail having a corresponding slider, and the slider having a clamping device.
3. The dual-station machining positioning device according to claim 1, characterized in that: The rotating device includes two rotating hydraulic cylinders, which are fixedly connected to the front side plate. A base for mounting the product is provided above the rotating hydraulic cylinders.
4. The dual-station machining positioning device according to claim 3, characterized in that: The base is equipped with two positioning pins for fixing the product, one is a cylindrical positioning pin and the other is a diamond-shaped positioning pin.
5. The dual-station machining positioning device according to claim 1, characterized in that: Two linear hydraulic cylinders are installed between the flange and the base plate to push the base plate to slide linearly along the flange.
6. The dual-station machining positioning device according to claim 2, characterized in that: Each end of the slide rail is provided with a positioning block, and each positioning block is provided with a set of positioning screws that can be adjusted to extend and retract, so as to adjust the sliding distance of the front side plate.
7. A dual-station machining positioning device according to claim 6, characterized in that: Each positioning block has a locking through hole that mates with the positioning screw. The end of the positioning screw has two locking nuts that mate with each other, and the two locking nuts are tightened in opposite directions.