CN221516954U - Dysmorphism product fixture - Google Patents
Dysmorphism product fixture Download PDFInfo
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- CN221516954U CN221516954U CN202323590783.7U CN202323590783U CN221516954U CN 221516954 U CN221516954 U CN 221516954U CN 202323590783 U CN202323590783 U CN 202323590783U CN 221516954 U CN221516954 U CN 221516954U
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Abstract
The utility model discloses a special-shaped product clamping mechanism which is used for clamping a special-shaped product with a stepped inner hole and comprises a driving device, a clamping assembly and an auxiliary clamping seat, wherein the clamping assembly comprises a fixed seat fixedly arranged and clamping arms hinged to the fixed seat, the clamping arms are arranged in a plurality of ways and axially arrayed around the driving device, one end of each clamping arm is hinged to the driving device, and the other end of each clamping arm is provided with a clamping jaw head extending to the outer side of the axis of the driving device. According to the special-shaped product clamping mechanism, through reasonable and simple structural design, the special-shaped product can be clamped in the machining center, meanwhile, the clamping jaw heads are directly contacted with the auxiliary clamping seat, and the clamping force is uniformly dispersed into the inner hole of the special-shaped product through the auxiliary clamping seat, so that the inside of the special-shaped product is not easy to damage and deform.
Description
Technical Field
The utility model relates to the technical field of clamp structures, in particular to a special-shaped product clamping mechanism.
Background
When products such as automobile parts and precision die castings are processed, special-shaped products are often encountered, the special-shaped products are provided with inner holes and steps at the inner holes, the outer edges of the special-shaped products are in irregular shapes similar to circles, milling can only be performed in a processing center when milling is needed, and meanwhile, a clamping mode of pressing by a conventional end face pressing plate cannot be adopted. At present, a method for positioning an expansion hole is used for clamping a product, but the cost of a clamp used by the expansion hole positioning method is high, and the surface of an inner hole of the product is easily damaged to cause the deformation of the hole diameter.
Therefore, in combination with the above-mentioned technical problems, it is necessary to provide a new technical solution.
Disclosure of utility model
The utility model aims to provide a special-shaped product clamping mechanism which is simple in structure, low in cost, firm in clamping and not easy to deform a product.
In order to solve the technical problems, the utility model provides a special-shaped product clamping mechanism, which comprises the following specific technical scheme:
The clamping mechanism comprises a driving device, a clamping assembly and an auxiliary clamping seat, wherein the clamping assembly comprises a fixed seat fixedly arranged and clamping arms hinged to the fixed seat, the clamping arms are arranged in a plurality of ways and axially arrayed around the driving device, one end of each clamping arm is hinged to the driving device, and the other end of each clamping arm is provided with a clamping jaw head extending to the outer side of the axis of the driving device; the auxiliary clamping seat comprises a step part matched with the stepped inner hole, and the clamping assembly is sleeved in the auxiliary clamping seat in the stepped inner hole of the special-shaped product through the matching clamping of the clamping jaw head and the step part so as to clamp the special-shaped product.
Preferably, the driving end of the driving device is provided with a lifting seat, the lifting seat performs telescopic motion through the driving device, a first pin hole is formed in one end, connected with the driving device, of the clamping arm, a first limit pin is arranged on the lifting seat, and the end part of the clamping arm is hinged with the lifting seat through the cooperation of a first limit pin and the first pin hole.
Preferably, the fixing seat is provided with a second limiting pin, the middle end of the clamping arm is provided with an arc-shaped second pin hole, the clamping arm is hinged with the fixing seat through the cooperation of the second limiting pin and the second pin hole, and the second limiting pin can move along the radian direction of the second pin hole.
Preferably, one end of the driving device connected with the clamping arm is fixedly connected with a connecting plate, a through hole for avoiding the driving end of the driving device and the lifting seat is formed in the center of the connecting plate, one end of the fixing seat is fixedly connected with the connecting plate, and the other end of the fixing seat is hinged with the clamping arm.
Preferably, the connecting plate is fixedly provided with a positioning plate, and the upper surface of the positioning plate is matched with the shape of the bottom end of the special-shaped product to support the special-shaped product.
Preferably, the special-shaped product is provided with a plurality of product mounting holes, and the upper surface of the positioning plate is provided with a plurality of positioning columns matched with the product mounting holes so as to facilitate product clamping and positioning.
Preferably, the driving device adopts a linear oil cylinder, and the lifting seat is fixed at the end part of a piston rod of the linear oil cylinder.
The special-shaped product clamping mechanism has the following beneficial effects:
According to the special-shaped product clamping mechanism, through reasonable and simple structural design, the special-shaped product can be clamped in the machining center, meanwhile, as the clamping jaw heads are directly contacted with the auxiliary clamping seat, the clamping force is uniformly dispersed into the inner hole of the special-shaped product through the auxiliary clamping seat, the inside of the special-shaped product is not easy to damage and deform, the clamping stability is better, the manufacturing cost is low, and the maintenance cost is also low;
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can 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 special-shaped product clamping mechanism;
FIG. 2 is a schematic view of the structure of the shaped product holding mechanism of FIG. 1 (excluding the positioning plate);
FIG. 3 is a schematic view of the auxiliary clamping seat in FIG. 2;
FIG. 4 is a schematic diagram illustrating the cooperation of the clamping arm, the fixing base and the oil cylinder in FIG. 2;
FIG. 5 is a schematic view of the clamp arm of FIG. 4;
FIG. 6 is a schematic view of a shaped product held by the shaped product holding mechanism of FIG. 1;
fig. 7 is a schematic view showing a state in which the shaped product clamping mechanism in fig. 1 clamps a shaped product.
Wherein, 1-the driving device; 11-lifting seats; 111-a first stop pin; 2-connecting plates; 3-a clamping assembly; 31-a fixed seat; 311-a second limiting pin; 32-clamping arms; 321-first pin holes; 322-second pin holes; 323 clamping jaw head; 4-an auxiliary clamping seat; 41-a step; 5-positioning plates; 51-positioning columns; 6-special-shaped products; 61-a step-shaped inner hole; 62-product mounting holes.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
Examples
Referring to fig. 1 to 7, a special-shaped product clamping mechanism is used for clamping a special-shaped product 6 with a stepped inner hole 61, and comprises a driving device 1, a clamping assembly 3 and an auxiliary clamping seat 4, wherein the clamping assembly 3 comprises a fixed seat 31 fixedly arranged and clamping arms 32 hinged on the fixed seat, a plurality of clamping arms are axially arrayed around the driving device, one end of each clamping arm is hinged with the driving device, and the other end of each clamping arm is provided with a clamping jaw head 323 extending to the outer side of the axis of the driving device; the auxiliary clamping seat 4 comprises a step part 41 matched with the step inner hole 61, and the clamping assembly is clamped and sleeved with the auxiliary clamping seat in the step inner hole of the special-shaped product through the matching of the clamping jaw head and the step part, so that the special-shaped product is clamped.
The drive end of the driving device 1 is provided with a lifting seat 11, the lifting seat performs telescopic motion through the driving device, a first pin hole 321 is formed in one end, connected with the driving device, of the clamping arm 32, a first limiting small 111 is mounted on the lifting seat, and the end part of the clamping arm is hinged with the lifting seat through the cooperation of a first limiting pin and the first pin hole.
The second limiting pin 311 is installed on the fixing seat 31, an arc-shaped second pin hole 322 is formed in the middle end of the clamping arm, the clamping arm is hinged to the fixing seat through the cooperation of the second limiting pin and the second pin hole, and the second limiting pin can move along the radian direction of the second pin hole.
One end of the driving device 1 connected with the clamping arm is fixedly connected with a connecting plate 2, a through hole for avoiding the driving end of the driving device and the lifting seat is formed in the center of the connecting plate, one end of the fixing seat 31 is fixedly connected with the connecting plate, and the other end of the fixing seat is hinged with the clamping arm.
The connecting plate 2 is fixedly provided with a positioning plate 5, and the upper surface of the positioning plate is matched with the shape of the bottom end of the special-shaped product to support the special-shaped product.
The special-shaped product is provided with a plurality of product mounting holes 62, and the upper surface of the positioning plate is provided with a plurality of positioning columns 51 matched with the product mounting holes so as to facilitate product clamping and positioning.
The driving device 1 adopts a linear oil cylinder, and the lifting seat 11 is fixed at the end part of a piston rod of the linear oil cylinder.
In the special-shaped product clamping mechanism of this embodiment, when in use, firstly, the product mounting hole 62 of the special-shaped product is paired with the positioning column 51 so as to be quickly mounted at the upper end of the positioning plate, at this time, the clamping arms and the end parts of the clamping assembly correspond to the stepped inner holes of the special-shaped product, then the auxiliary clamping seat 4 is mounted in the stepped inner holes from the upper part of the product, the driving device pushes the clamping arms 32 to move upwards through the lifting seat, in the moving process, the clamping arms are kept to move upwards under the hinged fit of the first pin holes and the second pin holes, and the top clamping jaw heads of the clamping arms move to the axial outer side of the driving device, and when the clamping arms move in place, the clamping jaw heads are completely attached and clamped with the inner walls of the stepped parts 41 of the auxiliary clamping seat 4, and the clamping of the special-shaped product is completed by means of the auxiliary clamping seat.
The beneficial effects of the utility model are as follows: through reasonable and simple structural design, make special-shaped product can accomplish the clamping in machining center, simultaneously because clamping jaw head direct contact is auxiliary clamping seat to in the hole with clamping force evenly distributed to special-shaped product through auxiliary clamping seat, the inside difficult damage deformation of product, the centre gripping stability is better and low in cost maintenance cost is also very low.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications and alternatives to the above embodiments may be made by those skilled in the art within the scope of the utility model.
Claims (7)
1. A profiled product clamping mechanism for clamping a profiled product (6) having a stepped inner bore (61), characterized in that: the clamping assembly (3) comprises a fixed seat (31) fixedly arranged and clamping arms (32) hinged to the fixed seat, wherein the clamping arms are arranged in a plurality of ways and are axially arrayed around the driving device, one end of each clamping arm is hinged to the driving device, and the other end of each clamping arm is provided with a clamping jaw head (323) extending to the outer side of the axis of the driving device; the auxiliary clamping seat (4) comprises a step part (41) matched with the stepped inner hole (61), and the clamping assembly is sleeved in the auxiliary clamping seat in the stepped inner hole of the special-shaped product through the matching clamping of the clamping jaw head and the step part so as to clamp the special-shaped product.
2. The shaped product fixture of claim 1, wherein: the driving end of the driving device (1) is provided with a lifting seat (11), the lifting seat performs telescopic motion through the driving device, a first pin hole (321) is formed in one end, connected with the driving device, of the clamping arm (32), a first limiting small (111) is mounted on the lifting seat, and the end part of the clamping arm is hinged with the lifting seat through the cooperation of a first limiting pin and the first pin hole.
3. The shaped product fixture of claim 2, wherein: install second spacer pin (311) on fixing base (31), arc second cotter hole (322) have been seted up to the arm lock middle-end, and the arm lock is articulated with the fixing base through the cooperation in second spacer pin and second cotter hole, and the second spacer pin can follow the radian direction motion in second cotter hole.
4. The shaped product fixture of claim 2, wherein: one end of the driving device (1) connected with the clamping arm is fixedly connected with a connecting plate (2), a through hole for avoiding the driving end of the driving device and the lifting seat is formed in the center of the connecting plate, one end of the fixing seat (31) is fixedly connected with the connecting plate, and the other end of the fixing seat is hinged with the clamping arm.
5. The shaped product fixture of claim 4, wherein: the connecting plate (2) is fixedly provided with a positioning plate (5), and the upper surface of the positioning plate is matched with the shape of the bottom end of the special-shaped product to support the special-shaped product.
6. The shaped product fixture of claim 5, wherein: the special-shaped product is provided with a plurality of product mounting holes (62), and the upper surface of the positioning plate is provided with a plurality of positioning columns (51) matched with the product mounting holes so as to facilitate product clamping and positioning.
7. The shaped product fixture of claim 2, wherein: the driving device (1) adopts a linear oil cylinder, and the lifting seat (11) is fixed at the end part of a piston rod of the linear oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323590783.7U CN221516954U (en) | 2023-12-28 | 2023-12-28 | Dysmorphism product fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323590783.7U CN221516954U (en) | 2023-12-28 | 2023-12-28 | Dysmorphism product fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221516954U true CN221516954U (en) | 2024-08-13 |
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ID=92205989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323590783.7U Active CN221516954U (en) | 2023-12-28 | 2023-12-28 | Dysmorphism product fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221516954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120395485A (en) * | 2025-06-11 | 2025-08-01 | 南京震环智能装备有限公司 | A special-shaped workpiece clamping mechanism |
-
2023
- 2023-12-28 CN CN202323590783.7U patent/CN221516954U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120395485A (en) * | 2025-06-11 | 2025-08-01 | 南京震环智能装备有限公司 | A special-shaped workpiece clamping mechanism |
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