Square frame workpiece fixing clamp

Abstract

The utility model discloses a square frame workpiece fixing clamp which comprises a working base and a connecting sleeve, an adjusting groove is formed in the connecting sleeve, and the outer side wall of an adjusting column is connected with a reset spring. According to the clamping device, the threaded rod is installed in the working base, the threaded rod can be driven to rotate after the servo motor works, at the moment, after the threaded rod is matched with the threaded blocks, the two threaded blocks get close to each other or get away from each other, and at the moment, under connection and fixation of the connecting block, the purpose that the clamping blocks can adjust the clamping position can be achieved; a reserved groove is formed in a clamping block, so that when the clamping block is used for clamping the side edge of the square workpiece, a protection plate makes contact with the outer wall of the square workpiece, meanwhile, a second protection pad plays a certain role in contact protection, an adjusting column can move in the reserved groove, and meanwhile, a guide assembly plays a role in limiting and guiding; therefore, during working clamping, a certain preliminary clamping adjusting space is provided, and convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of excavator support processing, in particular to a square frame workpiece fixing fixture. Background Art

[0002] A workpiece is a product component in the manufacturing process, and is also called a manufactured part or a workpiece. A square workpiece is one of the workpieces. A square workpiece is also called a rectangular part. In the process of mechanical manufacturing, the square workpiece needs to be processed. At this time, the workpiece needs to be clamped and fixed, so a fixing fixture is used.

[0003] The use of fixed fixtures is mainly to fix the processing object so that it occupies the correct position to receive processing. Common fixtures are generally used to fix square workpieces of specific sizes. It is difficult to fix square workpieces of different sizes. It has great limitations and is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a square workpiece fixing fixture to solve the problem that the background technology mentioned above is generally used to fix square workpieces of a specific size, it is difficult to fix square workpieces of different sizes, it has great limitations, and it is inconvenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a square workpiece fixing fixture, comprising a working seat and a connecting sleeve, the connecting sleeve is provided with an adjustment groove inside, the adjustment groove is connected to a clamping block inside, the clamping block is provided with a reserved groove inside, an adjustment column is inserted into the reserved groove inside, a protective plate is fixed to one end of the adjustment column, a second protective pad is bonded and fixed to the outer wall of the protective plate, guide assemblies are connected to both sides of the adjustment column, and a reset spring is connected to the outer wall of the adjustment column.

[0006] Preferably, the clamping blocks are distributed in two groups inside the connecting sleeve and are symmetrically distributed, and the connecting sleeve is symmetrically distributed about the central axis of the working seat.

[0007] Preferably, the reserved grooves are distributed in two groups inside the clamping block, one end of the reset spring is elastically connected to the clamping block and the other end is elastically connected to the protective plate.

[0008] Preferably, the guide assembly is composed of a guide rail and a guide block, the guide rail is installed on both sides of the inner wall of the reserved groove and is symmetrically distributed about the central axis of the reserved groove, and the guide block is installed on both sides of the adjustment column near the top.

[0009] Preferably, positioning pins are installed at front and rear positions of the top end of the connecting sleeve, and adjustment holes are installed inside the clamping block, and the adjustment holes are evenly distributed inside the clamping block.

[0010] Preferably, a servo motor is installed on one side of the work seat, a threaded rod is installed inside the work seat, the outer wall of the threaded rod is connected to a threaded block, a connecting block is fixed to the top of the threaded block, and a limiting groove is opened inside the top of the work seat.

[0011] Preferably, an outer side wall of the threaded rod is fixed with an external thread, the external thread is symmetrically distributed about the center axis of the threaded rod, and a threaded connection is formed between the threaded block and the threaded rod.

[0012] Preferably, vertical plates are fixed to the front and rear ends of the top of the work seat, one end of the vertical plate is connected to a telescopic rod, one end of the telescopic rod is connected to a clamping plate, and the outer side wall of the clamping plate is fixed to a first protective pad.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the square frame workpiece fixing fixture not only improves the adjustment capability, but also improves the size adjustment capability and stability capability of the square frame workpiece fixing fixture;

[0014] (1) By installing the threaded rod inside the work seat, the servo motor can drive the threaded rod to rotate after it starts working. At this time, after the threaded rod and the threaded block cooperate with each other, the two threaded blocks move closer to or farther away from each other. At this time, under the connection and fixation of the connecting block, the clamping block can adjust the clamping position. Then, the reserved groove is opened inside the clamping block. Therefore, when the clamping block is used to clamp the side of the square frame workpiece, the protective plate is in contact with the outer wall of the square frame workpiece. At the same time, the second protective pad plays a certain contact protection purpose. After the reset spring is contracted, the adjustment column can move inside the reserved groove. At the same time, the guide component plays the purpose of limiting guidance. Therefore, when clamping at work, there is a certain initial clamping adjustment space, which improves convenience;

[0015] (2) By opening the adjustment groove inside the connecting sleeve, the clamping block can be moved inside the adjustment groove according to the size of the square frame workpiece, and then connected and positioned with the adjustment hole at the corresponding position at the position of the positioning pin, thereby better improving the overall size adjustment ability during the working process, thereby better improving the overall adaptability;

[0016] (3) By fixing the vertical plate at the front and rear position of the top of the work seat, when the frame workpiece is clamped, the telescopic rod can be started to push the position of the clamping plate to adjust the position. At this time, the clamping plate can clamp the front and rear positions of the frame workpiece, and the first protective pad can be used for contact protection, thereby better improving the overall stable clamping ability during the work process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0019] Figure 3 It is a schematic diagram of a partial top view of the cross-sectional structure of the connecting sleeve of the utility model;

[0020] Figure 4 For the utility model Figure 2 Schematic diagram of the enlarged cross-section structure at point A in the middle.

[0021] In the figure: 1. working seat; 2. threaded block; 3. threaded rod; 4. vertical plate; 5. limit groove; 6. servo motor; 7. clamping block; 8. connecting block; 9. clamping plate; 10. telescopic rod; 11. first protective pad; 12. connecting sleeve; 13. positioning pin; 14. adjusting groove; 15. adjusting hole; 16. reserved groove; 17. guide assembly; 18. protective plate; 19. second protective pad; 20. adjusting column; 21. reset spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a square workpiece fixing fixture, including a working seat 1, a connecting sleeve 12, an adjusting groove 14 is opened inside the connecting sleeve 12, the adjusting groove 14 is connected to the clamping block 7, a reserved groove 16 is opened inside the clamping block 7, an adjusting column 20 is inserted inside the reserved groove 16, a protective plate 18 is fixed to one end of the adjusting column 20, a second protective pad 19 is bonded and fixed to the outer wall of the protective plate 18, guide components 17 are connected to both sides of the adjusting column 20, and a reset spring 21 is connected to the outer wall of the adjusting column 20.

[0024] The clamping blocks 7 are distributed in two groups inside the connecting sleeve 12 and are symmetrically distributed. The connecting sleeve 12 is symmetrically distributed about the central axis of the working seat 1.

[0025] There are two groups of reserved grooves 16 distributed inside the clamping block 7 . One end of the return spring 21 is elastically connected to the clamping block 7 , and the other end is elastically connected to the protective plate 18 .

[0026] The guide assembly 17 is composed of a guide rail and a guide block. The guide rail is installed on both sides of the inner wall of the reserved groove 16 and is symmetrically distributed about the central axis of the reserved groove 16. The guide block is installed on both sides of the adjustment column 20 near the top.

[0027] Positioning pins 13 are installed at the front and rear positions of the top end of the connecting sleeve 12 , and adjusting holes 15 are installed inside the clamping block 7 . The adjusting holes 15 are evenly distributed inside the clamping block 7 .

[0028] A servo motor 6 is installed on one side of the work seat 1, a threaded rod 3 is installed inside the work seat 1, the outer wall of the threaded rod 3 is connected to a threaded block 2, a connecting block 8 is fixed to the top of the threaded block 2, and a limiting groove 5 is opened inside the top of the work seat 1.

[0029] An external thread is fixed to the outer wall of the threaded rod 3 , and the external thread is symmetrically distributed about the central axis of the threaded rod 3 , so that a threaded connection is formed between the threaded block 2 and the threaded rod 3 .

[0030] A vertical plate 4 is fixed at the front and rear ends of the top of the work seat 1, one end of the vertical plate 4 is connected to a telescopic rod 10, one end of the telescopic rod 10 is connected to a clamping plate 9, and a first protective pad 11 is fixed to the outer side wall of the clamping plate 9;

[0031] The position of the clamping block 7 is further adjusted according to the size of the frame assembly so that the combined length of the two clamping blocks 7 on the same side can be adjusted.

[0032] Working principle: First, place the square frame component that needs to be fixed on the upper position of the work seat 1 during work, and then according to the size of the square frame component, first let the clamping block 7 move inside the adjusting groove 14, and then connect and position the positioning pin 13 with the corresponding adjustment hole 15. After the line size of the clamping block 7 is adjusted, start the servo motor 6 to drive the threaded rod 3 to rotate. At this time, after the threaded rod 3 and the threaded block 2 cooperate with each other, the two threaded blocks 2 approach or move away from each other. Under the connection and fixation of the connecting block 8, use the clamping block 7 to adjust the clamping position, and then open the reserved groove 16 inside the clamping block 7. Therefore, when the clamping block 7 is used to clamp the side of the square frame workpiece, let the protective plate 18 contact the outer wall of the square frame workpiece, and then after the reset spring 21 contracts, the adjusting column 20 can move inside the reserved groove 16. At the same time, the guide component 17 plays the purpose of limiting guidance, and then the clamping plate 9 can be used to assist in front and back clamping.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A square workpiece fixing fixture, comprising a working seat (1) and a connecting sleeve (12), characterized in that: The connecting sleeve (12) is provided with an adjustment groove (14) inside, the adjustment groove (14) is connected to a clamping block (7) inside, the clamping block (7) is provided with a reserved groove (16) inside, an adjustment column (20) is inserted inside the reserved groove (16), a protective plate (18) is fixed to one end of the adjustment column (20), a second protective pad (19) is bonded and fixed to the outer wall of the protective plate (18), both sides of the adjustment column (20) are connected to guide components (17), and the outer wall of the adjustment column (20) is connected to a return spring (21).

2. A square frame workpiece fixing fixture according to claim 1, characterized in that: The clamping blocks (7) are distributed in two groups inside the connecting sleeve (12) and are symmetrically distributed. The connecting sleeve (12) is symmetrically distributed about the central axis of the working seat (1).

3. A square frame workpiece fixing fixture according to claim 1, characterized in that: The reserved grooves (16) are distributed in two groups inside the clamping block (7), one end of the return spring (21) is elastically connected to the clamping block (7) and the other end is elastically connected to the protective plate (18).

4. A square frame workpiece fixing fixture according to claim 1, characterized in that: The guide assembly (17) is composed of a guide rail and a guide block. The guide rail is installed on both sides of the inner wall of the reserved groove (16) and is symmetrically distributed about the central axis of the reserved groove (16). The guide block is installed on both sides of the adjustment column (20) near the top.

5. The square frame workpiece fixing fixture according to claim 1, characterized in that: Positioning pins (13) are installed at the front and rear positions of the top end of the connecting sleeve (12), and adjustment holes (15) are installed inside the clamping block (7). The adjustment holes (15) are evenly distributed inside the clamping block (7).

6. A square frame workpiece fixing fixture according to claim 1, characterized in that: A servo motor (6) is installed on one side of the working seat (1), a threaded rod (3) is installed inside the working seat (1), the outer wall of the threaded rod (3) is connected to a threaded block (2), a connecting block (8) is fixed to the top of the threaded block (2), and a limiting groove (5) is provided inside the top of the working seat (1).

7. A square frame workpiece fixing fixture according to claim 6, characterized in that: An external thread is fixed to the outer side wall of the threaded rod (3), and the external thread is symmetrically distributed about the central axis of the threaded rod (3). A threaded connection is formed between the threaded block (2) and the threaded rod (3).

8. The square frame workpiece fixing fixture according to claim 1, characterized in that: A vertical plate (4) is fixed at the front and rear ends of the top of the working seat (1), one end of the vertical plate (4) is connected to a telescopic rod (10), one end of the telescopic rod (10) is connected to a clamping plate (9), and a first protective pad (11) is fixed to the outer side wall of the clamping plate (9).

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