CN219337512U

CN219337512U - Workpiece clamping device

Info

Publication number: CN219337512U
Application number: CN202320729101.7U
Authority: CN
Inventors: 顾建飞; 顾涛涛
Original assignee: Shanghai Nengling Metallurgical Machinery Co ltd
Current assignee: Shanghai Nengling Metallurgical Machinery Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-07-14
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a workpiece clamping device, which comprises a machine base, wherein a chute is formed in the lower part of the machine base, a first screw rod is rotatably arranged in the chute, two first sliding seats and clamping arms are slidably arranged at the outer sides of two ends of the first screw rod, a clamping head is slidably arranged at the lower end of the clamping arm through a connecting rod, and a length adjusting mechanism is arranged at one end of the connecting rod.

Description

Workpiece clamping device

Technical Field

The utility model relates to the technical field of mechanical manufacturing equipment, in particular to a workpiece clamping device.

Background

The machine manufacturing refers to the industrial sector engaged in the production of various power machines, lifting and transporting machines, chemical machines, textile machines, machine tools, instruments, meters, other mechanical equipment, etc. The machinery manufacturing industry provides technical equipment for the whole national economy. The mechanical products refer to finished products or accessories provided by a machine manufacturer to a user or a market, such as automobiles, engines, machine tools and the like, which are all called mechanical products. The workpiece is required to be clamped and fixed in the mechanical manufacturing process.

A workpiece clamping device with the application number of CN201920203769.1 in the prior art, which belongs to the technical field of machinery. The workpiece clamping device solves the problem of poor stability in the prior art, and comprises a fixing clamp, a movable clamp, a driving piece and a spring, wherein two ends of the spring are respectively connected to a connecting section and the fixing clamp, and the clamping section and the fixing clamp have a closing trend under the action of the elasticity of the spring, the driving piece is connected to the fixing clamp, and the driving piece is connected with the connecting section and can drive the movable clamp to translate relative to the fixing clamp. The workpiece clamping device is high in stability, however, the transmission stability of the clamping structure is low, the stability of clamping fixation is easily affected, and workpiece clamping positioning treatment of different heights is difficult to meet.

Disclosure of Invention

The utility model aims to provide a workpiece clamping device, which solves the problems that the transmission stability of a clamping structure in the prior art is low, the stability of clamping and fixing is easy to influence, and the workpiece clamping and positioning treatment of different heights is difficult to meet.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a work piece clamping device, includes the frame, the spout has been seted up to the frame lower part, first lead screw is installed to the spout rotation, first lead screw both ends outside screw thread slip is equipped with two first slides, the centre gripping arm is installed to first slide downside, the centre gripping arm lower extreme is equipped with the gripping head through the connecting rod slip, the slipmat is installed to gripping head one side, and first slide, centre gripping arm, connecting rod and gripping head are provided with two sets of with the frame symmetry, length adjustment mechanism is installed to connecting rod one end, first lead screw one end is connected with first motor through the gear train transmission, and the gear train includes the first driven gear that first lead screw one end was equipped with, first motor one end transmission is connected with the driving gear, and is connected through second driven gear meshing between first driven gear and the driving gear, and the positioning seat is installed to frame one side.

Further, two threads with opposite threads are arranged on the outer side of the first screw rod, two first sliding seats are respectively connected with the two threads in a sliding mode, and a stable support plate is arranged between the first sliding seats and the clamping arms.

Furthermore, the frame at the inner side of the sliding groove is provided with a limit groove, and one side of the first sliding seat is in sliding connection with the limit groove through the limit sliding seat.

Further, the limit groove is arranged as a T-shaped groove, and the limit sliding seat is arranged as a T-shaped sliding seat.

Further, the length adjusting mechanism comprises a second screw rod arranged on one side of the clamping arm through a supporting plate, one end of the connecting rod is arranged inside one end of the clamping arm in a sliding mode through a limiting plate, a second sliding seat is arranged on one side of the limiting plate, the second sliding seat is in threaded sliding connection with the second screw rod, and one end of the second screw rod is in transmission connection with a second motor.

Further, a sliding hole is formed in one side of the clamping arm, and the second sliding seat is arranged in the sliding hole in a sliding mode.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, as the two clamping arms and the clamping heads are slidably arranged on one side of the machine base through the screw rod, the two threads with opposite threads are arranged on the outer side of the first screw rod, the two first sliding seats are respectively in sliding connection with the two threads, and one end of the first screw rod is in transmission connection with the first motor through the gear set, the two clamping heads can be driven to move and adjust in opposite directions through the first motor, so that the workpiece can be conveniently clamped and positioned, the positioning stability is high, the transmission stability is high, and the operation is convenient and quick.

According to the utility model, the length adjusting mechanism is arranged at one end of the connecting rod, the length adjusting mechanism comprises the second screw rod which is arranged at one side of the clamping arm through the supporting plate, one end of the connecting rod is arranged inside one end of the clamping arm in a sliding way through the limiting plate, the second sliding seat is arranged at one side of the limiting plate and is in threaded sliding connection with the second screw rod, one end of the second screw rod is in transmission connection with the second motor, so that the second screw rod is driven to rotate and adjust through the second motor, the limiting plate can be moved and adjusted, the distance between the clamping head and the clamping arm can be adjusted, and workpiece clamping and positioning treatments with different heights can be met conveniently.

According to the utility model, the limit groove is formed in the machine seat on the inner side of the sliding groove, and one side of the first sliding seat is in sliding connection with the limit groove through the limit sliding seat, so that guiding treatment can be performed when the first sliding seat at one end of the clamping arm is in sliding adjustment, the stability of moving adjustment of the clamping arm is improved, the limit groove is formed into the T-shaped groove, and the limit sliding seat is formed into the T-shaped sliding seat, so that the suspension supporting force at one end of the clamping arm is improved, and a heavier workpiece is clamped conveniently.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front elevational view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of the clamping arm of the present utility model;

fig. 3 is a left side view of the clamping arm structure of the present utility model.

In the figure: 1. a base; 2. a chute; 3. a first screw rod; 4. a first slider; 5. a clamping arm; 6. a connecting rod; 7. a clamping head; 8. an anti-slip pad; 9. a limit sliding seat; 10. a limit groove; 11. a positioning seat; 12. a first driven gear; 13. a first motor; 14. a drive gear; 15. a second driven gear; 16. a limiting plate; 17. stabilizing the support plate; 18. a second slider; 19. a second screw rod; 20. a support plate; 21. a second motor; 22. and a slide hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1, 2 and 3, in an embodiment of the present utility model, the workpiece clamping device includes a machine base 1, a chute 2 is provided at a lower portion of the machine base 1, a first screw rod 3 is rotatably mounted in the chute 2, two first sliding bases 4 are slidably disposed at two ends of the first screw rod 3, a clamping arm 5 is mounted at a lower side of the first sliding base 4, a clamping head 7 is slidably disposed at a lower end of the clamping arm 5 through a connecting rod 6, one end of the first screw rod 3 is connected with a first motor 13 through a gear set transmission, so that the two clamping heads 7 can be driven to move and adjust in opposite directions through the first motor 13, thereby facilitating clamping and positioning of workpieces, the positioning stability is high, the operation is convenient and fast, a slipmat 8 is mounted at one side of the clamping head 7, facilitating improvement of workpiece clamping and fixing stability, and a length adjusting mechanism is symmetrically disposed at one end of the first sliding base 4, the clamping arm 5, the connecting rod 6, facilitating moving and adjusting a spacing between the clamping heads 7 relative to the clamping arm 5, facilitating meeting workpiece positioning and processing of different heights, the first motor set comprises a first driven gear 12 and a driving gear 12, a driven gear 12 is mounted at one side of the driving gear 12 and a driven gear 11, and a driven gear set is connected with one side of the driving gear 11 is meshed with the first driven gear 11, and is convenient for positioning and is meshed with one side of the first driven gear 11.

Preferably, two threads with opposite threads are arranged on the outer side of the first screw rod 3, two first sliding seats 4 are respectively connected with the two threads in a sliding mode, a stable supporting plate 17 is arranged between the first sliding seats 4 and the clamping arms 5, stability of a connecting structure between the first sliding seats 4 and the clamping arms 5 is high, and stability of workpiece clamping and fixing is improved.

Preferably, the limit groove 10 has been seted up to the frame 1 of spout 2 inboard, first slide 4 one side is through limit slide 9 and limit groove 10 sliding connection for can carry out the direction when the first slide 4 to clamping arm 5 one end is slided and is adjusted and handle, be favorable to improving the stability that clamping arm 5 removed and adjusted, limit groove 10 sets up the T-shaped groove moreover, limit slide 9 sets up the T type slide, is convenient for improve the suspension holding power of clamping arm 5 one end, is convenient for the centre gripping heavier work piece.

Preferably, the length adjustment mechanism comprises a second screw rod 19 arranged on one side of the clamping arm 5 through a supporting plate 20, one end of the connecting rod 6 is slidably arranged inside one end of the clamping arm 5 through a limiting plate 16, a second sliding seat 18 is mounted on one side of the limiting plate 16, the second sliding seat 18 is in threaded sliding connection with the second screw rod 19, one end of the second screw rod 19 is in transmission connection with a second motor 21, the second screw rod 19 is driven to be rotatably adjusted through the second motor 21, and therefore the limiting plate 16 can be moved and adjusted, the distance between the clamping head 7 and the clamping arm 5 can be adjusted, and workpiece clamping and positioning treatments of different heights can be met conveniently.

Preferably, a sliding hole 22 is formed in one side of the clamping arm 5, and the second sliding seat 18 is slidably disposed in the sliding hole 22, and is used for guiding the limiting plate 16 at one end of the connecting rod 6 during sliding adjustment, so as to facilitate improvement of stability of moving adjustment of one end of the clamping head.

The working principle and the using flow of the utility model are as follows: because two clamping arms 5 and clamping heads 7 are slidably mounted on one side of the machine base 1 through a lead screw, two threads with opposite threads are arranged on the outer side of a first lead screw 3 of the lead screw, two first sliding seats 4 are slidably connected with the two threads respectively, one end of the first lead screw 3 is connected with a first motor 13 through gear set transmission, and the two clamping heads 7 can be driven to move and adjust in opposite directions through the first motor 13, so that a workpiece can be conveniently clamped and positioned, positioning stability is high, and operation is convenient and quick; and through the length adjustment mechanism that connecting rod 6 one end was installed for through the rotatory regulation of second lead screw 19 of second motor 21 drive, thereby can remove the regulation to limiting plate 16, and then can adjust the interval between clamping head 7 for clamping arm 5, be convenient for satisfy the work piece centre gripping location processing of different height.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Work piece clamping device, including frame (1), its characterized in that: spout (2) have been seted up to frame (1) lower part, spout (2) internally rotating installs first lead screw (3), first lead screw (3) both ends outside screw thread slip is equipped with two first slide (4), centre gripping arm (5) are installed to first slide (4) downside, centre gripping arm (5) lower extreme is equipped with gripping head (7) through connecting rod (6) slip, slipmat (8) are installed to gripping head (7) one side, and first slide (4), centre gripping arm (5), connecting rod (6) and gripping head (7) are provided with two sets of with frame (1) symmetry, length adjustment mechanism is installed to connecting rod (6) one end, first lead screw (3) one end is connected with first motor (13) through the gear train transmission.

2. A workpiece holding device as defined in claim 1, wherein: two threads with opposite threads are arranged on the outer side of the first screw rod (3), and the two first sliding seats (4) are respectively in threaded sliding connection with the two threads.

3. A workpiece holding device as defined in claim 1, wherein: the machine seat (1) at the inner side of the sliding groove (2) is provided with a limiting groove (10), and one side of the first sliding seat (4) is in sliding connection with the limiting groove (10) through a limiting sliding seat (9).

4. A workpiece holding device as claimed in claim 3, wherein: the limiting groove (10) is formed into a T-shaped groove, and the limiting slide seat (9) is formed into a T-shaped slide seat.

5. A workpiece holding device as defined in claim 1, wherein: the length adjusting mechanism comprises a second screw rod (19) arranged on one side of the clamping arm (5) through a supporting plate (20), one end of the connecting rod (6) is slidably arranged inside one end of the clamping arm (5) through a limiting plate (16), a second sliding seat (18) is mounted on one side of the limiting plate (16), the second sliding seat (18) is in threaded sliding connection with the second screw rod (19), and one end of the second screw rod (19) is in transmission connection with a second motor (21).

6. A workpiece holding apparatus as defined in claim 5, wherein: a sliding hole (22) is formed in one side of the clamping arm (5), and the second sliding seat (18) is arranged in the sliding hole (22) in a sliding mode.