CN218364246U

CN218364246U - Self-centering multi-station rapid clamp for machining round pipe workpieces

Info

Publication number: CN218364246U
Application number: CN202222471773.0U
Authority: CN
Inventors: 牛亚军; 张文新; 庞远超
Original assignee: Henan Gongkai Cnc Co ltd
Current assignee: Henan Gongkai Cnc Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-24
Anticipated expiration: 2032-09-19

Abstract

The utility model provides a self-centering rapid clamp for multi-station processing of round pipe workpieces, which comprises a bottom plate, wherein a baffle is fixedly arranged on the bottom plate, and the bottom plate is uniformly provided with at least one clamping unit corresponding to the baffle; the clamping unit is provided with a positioning rod and a sliding seat which are arranged in a sliding manner along the direction vertical to one side of the baffle plate, one side of the sliding seat close to the positioning rod is provided with a clamping block, and the other side of the sliding seat is provided with a driving part which drives the sliding seat to slide back and forth to be close to or far away from the baffle plate; the clamping block is provided with a clamping groove corresponding to the positioning rod; the utility model discloses in, the one end suit of pipe class work piece is fixed a position in the outside of locating lever, then orders about the slide through driver part and drives clamp splice synchronous motion, is close to the locating lever, cooperatees with the baffle through the draw-in groove on the clamp splice, can press from both sides pipe class work piece automatically and press from both sides tightly fixed, presss from both sides tightly at the work piece and need not the manpower expenditure with the release in-process, can improve work efficiency, satisfies the quick processing demand of high frequency.

Description

Self-centering multi-station rapid clamp for machining round pipe workpieces

Technical Field

The utility model belongs to the technical field of anchor clamps, the quick anchor clamps of pipe class work piece multistation processing of a concretely design self-centering.

Background

The processing of the round pipe workpiece needs to be fixed by a clamp.

In the prior art, for example, chinese patent application publication No. CN102886697a discloses a positioning fixture for fixing a pipe fitting, which can quickly clamp and release the pipe fitting by manually rotating an eccentric cam, and meanwhile, the clamping member can be automatically reset, thereby facilitating installation of a to-be-machined part.

There is chinese utility model patent document of CN213438087U as the grant bulletin number again, discloses an auxiliary welding machine implements welded fixture device to pipe subassembly, and wherein elastic support subassembly can make the first end of first clamping bar and the first end of second clamping bar deviate from each other through self elastic force, makes the second end of first clamping bar and the second end of second clamping bar be close to each other and will support the second pipe fitting that leans on the base plate and press from both sides tightly, need overcome elastic support subassembly's elasticity after the processing and can take out the second pipe fitting.

Above-mentioned two prior art, though can both press from both sides tight fixedly to pipe class work piece, nevertheless the clamp of work piece is more with release in-process manpower expenditure, and manual efficiency is lower, is difficult to satisfy the quick processing demand of high frequency.

Disclosure of Invention

To exist not enough among the prior art, the utility model provides a reduce manpower expenditure, satisfy the quick anchor clamps of pipe class work piece multistation processing of self-centering of high frequency quick processing demand.

The technical scheme of the utility model is that: the self-centering rapid clamp for multi-station machining of the circular tube workpieces comprises a bottom plate, wherein a baffle plate is fixedly arranged on the bottom plate, and at least one clamping unit corresponding to the baffle plate is uniformly arranged on the bottom plate; the clamping unit is provided with a positioning rod and a sliding seat which are arranged in a sliding mode along the direction perpendicular to one side of the baffle plate, a clamping block is arranged on one side, close to the positioning rod, of the sliding seat, and a driving part for driving the sliding seat to slide back and forth to be close to or far away from the baffle plate is arranged on the other side of the sliding seat; and the clamping block is provided with a clamping groove corresponding to the positioning rod.

The clamping groove is provided with a semicircular groove formed in the clamping block, and symmetrical inclined planes are formed in two ends of the semicircular groove.

The included angle alpha between the two inclined planes is 60-65 degrees.

The clamping unit is further provided with a sliding rail fixed to the top of the bottom plate, the sliding rail is perpendicular to one side of the baffle, a first sliding block in sliding connection with the sliding rail is fixedly arranged at the bottom of the positioning rod, and a second sliding block in sliding connection with the sliding rail is fixedly arranged at the bottom of the sliding seat.

The driving part is fixed on the top of the bottom plate through a driving part supporting plate.

The driving part is a cylinder or a hydraulic cylinder.

And a supporting plate is fixedly arranged on one side of the baffle plate, which deviates from the clamping unit, and the bottom of the supporting plate is fixedly connected with the bottom plate.

The top end of the positioning rod is provided with a taper.

The utility model has the advantages that: the utility model discloses in, the one end suit of pipe class work piece is fixed a position in the outside of locating lever, then orders about the slide through driver part and drive clamp splice synchronous motion, is close to the locating lever, cooperatees with the baffle through the draw-in groove on the clamp splice, can press from both sides the pipe class work piece automatically and press from both sides tightly fixed, presss from both sides tightly at the work piece and need not the manpower expenditure with the release in-process, can improve work efficiency, satisfies the quick processing demand of high frequency.

Drawings

Fig. 1 is one of the schematic structural diagrams of the multi-station rapid fixture for processing the self-centering circular tube workpiece of the present invention.

Fig. 2 is a second schematic structural view of the self-centering rapid clamp for multi-station machining of round pipe workpieces of the present invention.

Fig. 3 isbase:Sub>A cross-sectional view taken atbase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a third schematic structural view of the rapid clamp for multi-station machining of the self-centering circular tube workpiece of the present invention.

Fig. 5 is a partially enlarged view of B in fig. 4.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1 to 4, the self-centering rapid clamp for multi-station machining of circular tube workpieces 10 comprises a bottom plate 1, wherein a baffle plate 2 is fixedly arranged on the bottom plate 1, and at least one clamping unit corresponding to the baffle plate 2 is uniformly arranged on the bottom plate 1; the clamping unit is provided with a positioning rod 51 and a sliding seat 9 which are arranged in a sliding way along the direction vertical to one side of the baffle 2, one side of the sliding seat 9 close to the positioning rod 51 is provided with a clamping block 7, and the other side of the sliding seat 9 is provided with a driving part 8 which drives the sliding seat to slide back and forth to be close to or far away from the baffle 2; the clamping block 7 is provided with a clamping groove 71 corresponding to the positioning rod 51; in this embodiment, the one end suit of pipe class work piece 10 is fixed a position in locating lever 51's the outside, then order about slide 9 through drive unit 8 and drive clamp splice 7 synchronous motion, clamp splice 7 contacts pipe class work piece 10 in the locating lever 51 outside, it slides to baffle 2 together to promote pipe class work piece 10 and locating lever 51, after pipe class work piece 10 and baffle 2 contact, draw-in groove 71 on the clamp splice 7 cooperatees with baffle 2, press from both sides pipe class work piece 10 tight fixedly, pipe class work piece 10 presss from both sides tightly and releases the in-process only need drive unit 8 order about slide 9 action can, need not the manpower expenditure, can improve work efficiency, satisfy the quick processing demand of high frequency

In some embodiments, as shown in fig. 5, the clamping groove 71 has a semicircular groove 711 opened on the clamping block 7, two ends of the semicircular groove 711 are provided with symmetrical inclined surfaces 712, and the two inclined surfaces 712 have a certain guiding function, and contact with two sides of the circular tube-like workpiece 10, so as to play a centering role in the clamping process; specifically, the included angle α between the two inclined surfaces 712 is 60 to 65 °.

In some embodiments, as shown in fig. 1 to 3, the clamping unit further has a slide rail 4 fixed on the top of the bottom plate 1, the slide rail 4 is perpendicular to one side of the baffle 2, a first slide block 5 slidably connected to the slide rail 4 is fixedly arranged at the bottom of the positioning rod 51, a second slide block 6 slidably connected to the slide rail 4 is fixedly arranged at the bottom of the slide seat 9, and the first slide block 5 and the second slide block 6 both slide on the slide rail 4, thereby achieving the sliding connection between the positioning rod 51, the slide seat 9 and the bottom plate 1.

In some embodiments, the driving part 8 is fixed on the top of the base plate 1 by a driving part supporting plate 81, the bottom of the driving part supporting plate 81 is fixed on the top of the base plate 1 by a bolt fitting, and the driving part 8 fixes one side of the driving part supporting plate 81 by a bolt fitting; more specifically, the driving part 8 is a cylinder or a hydraulic cylinder, and a sliding seat 9 connected with a piston rod of the driving part 8 can be driven to slide back and forth on the top of the bottom plate 1 to be close to or far away from the baffle plate 2 by controlling the piston rod of the driving part 8 to stretch; the clamping block 7 is driven by the air cylinder or the hydraulic cylinder to clamp the workpiece, the clamping force can be adjusted, and the minimum deformation of the thin-wall round pipe workpiece can be guaranteed under the condition that the clamping force can be guaranteed.

In some embodiments, a supporting plate 3 is fixedly arranged on one side of the baffle plate 2, which is away from the clamping unit, the bottom of the supporting plate 3 is fixedly connected with the bottom plate 1, and the side of the baffle plate 2, which is away from the clamping unit, supports the baffle plate 2 through the supporting plate 3, so that the strength of the supporting plate 3 can be improved; specifically, the bottom of the support plate 3 is fixed on the top of the bottom plate 1 by bolt assembly, and one side of the support plate 3 is fixed on one side of the baffle plate 2 by bolt assembly.

In some embodiments, the top end of the positioning rod 51 has a taper, and by providing the taper at the top end of the positioning rod 51, the round pipe workpiece can be conveniently inserted into the outer side of the positioning rod 51, and the convenience in installing the round pipe workpiece is improved.

In some embodiments, as shown in fig. 1, four clamping units corresponding to the baffle 2 are uniformly arranged on the top of the bottom plate 1, and in this embodiment, four circular pipe workpieces 10 can be simultaneously clamped and fixed.

Thus far, various embodiments of the present invention have been described in detail. Some details which are well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A self-centering rapid clamp for multi-station machining of circular tube workpieces is characterized by comprising a bottom plate, wherein a baffle is fixedly arranged on the bottom plate, and at least one clamping unit corresponding to the baffle is uniformly arranged on the bottom plate;

the clamping unit is provided with a positioning rod and a sliding seat which are arranged in a sliding mode along the direction perpendicular to one side of the baffle plate, a clamping block is arranged on one side, close to the positioning rod, of the sliding seat, and a driving part for driving the sliding seat to slide back and forth to be close to or far away from the baffle plate is arranged on the other side of the sliding seat;

and the clamping block is provided with a clamping groove corresponding to the positioning rod.

2. The self-centering rapid clamp for multi-station machining of round pipe workpieces according to claim 1, is characterized in that: the clamping groove is provided with a semicircular groove formed in the clamping block, and two ends of the semicircular groove are provided with symmetrical inclined planes.

3. The self-centering rapid clamp for multi-station machining of round pipe workpieces according to claim 2, is characterized in that: the included angle alpha between the two inclined planes is 60-65 degrees.

4. The self-centering rapid clamp for multi-station machining of round pipe workpieces according to claim 1, is characterized in that: the clamping unit is further provided with a sliding rail fixed to the top of the bottom plate, the sliding rail is perpendicular to one side of the baffle, a first sliding block in sliding connection with the sliding rail is fixedly arranged at the bottom of the positioning rod, and a second sliding block in sliding connection with the sliding rail is fixedly arranged at the bottom of the sliding seat.

5. The self-centering rapid clamp for multi-station machining of the circular tube workpieces as claimed in claim 1, is characterized in that: the driving part is fixed on the top of the bottom plate through a driving part supporting plate.

6. The self-centering rapid clamp for multi-station machining of round pipe workpieces according to claim 5, is characterized in that: the driving part is a cylinder or a hydraulic cylinder.

7. The self-centering rapid clamp for multi-station machining of the circular tube workpieces as claimed in claim 1, is characterized in that: and a supporting plate is fixedly arranged on one side of the baffle plate, which deviates from the clamping unit, and the bottom of the supporting plate is fixedly connected with the bottom plate.

8. The self-centering rapid clamp for multi-station machining of round pipe workpieces according to claim 1, is characterized in that: the top end of the positioning rod is provided with a taper.