Positioning and clamping device of powder metallurgy injection molding die

Abstract

The utility model discloses a positioning and clamping device of a powder metallurgy injection molding mould, which comprises a base, two groups of clamping structures are arranged at the upper end of the base, each group of clamping structure comprises a driving shaft, two grooves are arranged on the upper surface of the base, and the driving shafts are arranged in the grooves. The two driving shafts are rotatably arranged in the two grooves respectively, each driving shaft is in threaded connection with two moving blocks, each moving block is fixedly connected with a connecting plate, a clamping plate is inserted into the connecting plate, a locking structure is arranged between the clamping plate and the connecting plate, and the locking structure comprises an inserting rod; the inserting rods are arranged in the connecting plates in a telescopic mode, and inserting holes matched with the inserting rods are formed in the clamping plates. The mold is firmly fixed, the clamping plates can be conveniently and rapidly replaced, and operation is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the field of mold positioning fixtures, in particular to a positioning clamping device for a powder metallurgy injection molding mold. Background Art

[0002] Powder metallurgy is a process technology that produces metal powder or uses metal powder (or a mixture of metal powder and non-metal powder) as raw material, and then forms and sinters it to produce metal materials, composite materials and various types of products. Powder metallurgy is similar to the production of ceramics, both of which belong to powder sintering technology. Therefore, a series of new powder metallurgy technologies can also be used to prepare ceramic materials. Due to the advantages of powder metallurgy technology, it has become the key to solving new material problems and plays a vital role in the development of new materials.

[0003] Before the copper drum mold is used for powder injection molding, a clamp is needed to fix the mold. The existing mold positioning and fixing structure has many defects. The existing positioning mold is often only fixed in two directions, and the mold is not fixed firmly enough. At the same time, since there are many different types of molds, different types of splints are often required to facilitate mold fixing. The existing positioning clamp has the problem that the splint is not convenient to quickly replace. Therefore, those skilled in the art have proposed a positioning clamping device for powder metallurgy injection molding molds. Utility Model Content

[0004] The main purpose of the utility model is to provide a positioning and clamping device for a powder metallurgy injection molding mold, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A positioning and clamping device for a powder metallurgy injection molding mold comprises a base, a clamping structure is arranged at the upper end of the base, two groups of the clamping structures are arranged, each group of the clamping structures comprises a driving shaft, two grooves are opened on the upper surface of the base, two driving shafts are rotatably arranged in the two grooves respectively, two moving blocks are threadedly connected to each of the driving shafts, each of the moving blocks is fixedly connected to a connecting plate, a splint is inserted into the connecting plate, a locking structure is arranged between the splint and the connecting plate, the locking structure comprises an insertion rod, the insertion rod is telescopically arranged in the connecting plate, and a socket that cooperates with the insertion rod is arranged in the splint.

[0007] Preferably, the two driving shafts are arranged crosswise with each other, and the two driving shafts are distributed up and down.

[0008] Preferably, external threads are provided on both sides of the two driving shafts, and the spiral directions of the external threads on both sides of the driving shafts are opposite. The two moving blocks on each driving shaft are respectively threadedly connected to the external threads on both sides of the driving shaft, and the lower ends of the two moving blocks on the two driving shafts are slidably connected to the grooves on the upper surface of the base.

[0009] Preferably, the ends of the two driving shafts are fixedly connected to forward and reverse motors, the forward and reverse motors are fixedly installed in the grooves, a control panel is fixedly installed on the surface of the base, and the output end of the control panel is electrically connected to the input end of the forward and reverse motors.

[0010] Preferably, a slot is provided in the splint, the slot and the connecting plate are arranged to cooperate with each other, and the jack is arranged in the slot.

[0011] Preferably, an L-shaped connecting rod is provided on the insertion rod, one end of the L-shaped connecting rod is fixedly connected to the insertion rod, the other end of the L-shaped connecting rod passes through a connecting plate, a fixing rod is fixedly connected to the connecting plate, a connecting hole is provided at the bottom of the L-shaped connecting rod, both ends of the fixing rod are arranged in the connecting hole, a connecting block is fixedly connected to the inner wall of the connecting hole, the connecting block and the fixing rod are slidably connected, a spring is provided in the connecting hole, one end of the spring is fixedly connected to the connecting block, and the other end of the spring is fixedly connected to the side wall of the connecting hole.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. When the device is in use, the mold is placed on the upper surface of the base and located between the four clamping plates. The forward and reverse motors work, and the forward and reverse motors drive the drive shaft to rotate, driving the four clamping plates to move. The four clamping plates fix the mold from four directions, and the mold is firmly fixed. At the same time, the rotation of the drive shaft in the device is driven by the forward and reverse motors, which can drive the two opposite clamping plates to move at the same time, and the fixation is quick and convenient;

[0014] 2. The splint in the device is connected to the moving block through a connecting plate. At the same time, through the movement of the L-shaped connecting rod, it is convenient to fix or loosen the connecting plate, so that the splint can be replaced easily. According to different mold models, the splint can be replaced quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a top view of the utility model.

[0017] Figure 3 It is a cross-sectional view of the connecting block and the clamping plate in the utility model.

[0018] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0019] Figure 5 It is a cross-sectional view of the middle base in the utility model.

[0020] In the figure: 1. base; 2. driving shaft; 3. groove; 4. moving block; 5. connecting plate; 6. clamping plate; 7. plug rod; 8. forward and reverse motor; 9. control panel; 10. slot; 11. socket; 12. L-shaped connecting rod; 13. fixing rod; 14. connecting block; 15. spring; 16. connecting hole. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-5 As shown, a positioning and clamping device for a powder metallurgy injection molding mold comprises a base 1, a clamping structure is arranged at the upper end of the base 1, two groups of clamping structures are arranged, each group of clamping structures comprises a driving shaft 2, two grooves 3 are opened on the upper surface of the base 1, two driving shafts 2 are rotatably arranged in the two grooves 3 respectively, two moving blocks 4 are threadedly connected to each driving shaft 2, each moving block 4 is fixedly connected to a connecting plate 5, a splint 6 is inserted into the connecting plate 5, a locking structure is arranged between the splint 6 and the connecting plate 5, the locking structure comprises an insert rod 7, the insert rod 7 is telescopically arranged in the connecting plate 5, and a socket 11 cooperating with the insert rod 7 is arranged in the splint 6.

[0023] The two driving shafts 2 are arranged crosswise with each other, and the two driving shafts 2 are distributed up and down.

[0024] External threads are provided on both sides of the two driving shafts 2, and the spiral directions of the external threads on both sides of the driving shafts 2 are opposite. The two moving blocks 4 on each driving shaft 2 are respectively threadedly connected to the external threads on both sides of the driving shaft 2, and the lower ends of the two moving blocks 4 on the two driving shafts 2 are slidably connected to the grooves 3 on the upper surface of the base 1. When the driving shaft 2 rotates, the lower ends of the moving blocks 4 can move on the external threads on the driving shaft 2 under the limitation of the grooves 3. Since the spiral directions of the external threads on both sides of the driving shaft 2 are opposite, when the driving shaft 2 rotates, the two moving blocks 4 can be driven to move closer to or away from each other.

[0025] The ends of the two driving shafts 2 are fixedly connected with forward and reverse motors 8, and the forward and reverse motors 8 are fixedly installed in the groove 3. A control panel 9 is fixedly installed on the surface of the base 1, and the output end of the control panel 9 is electrically connected to the input end of the forward and reverse motor 8. When the control panel 9 and the forward and reverse motor 8 are energized, the forward and reverse motor 8 is controlled by the control panel 9 to work, and the forward and reverse motor 8 drives the driving shaft 2 located in the groove 3 to rotate.

[0026] A slot 10 is provided in the splint 6, and the slot 10 and the connecting plate 5 are matched with each other. The socket 11 is provided in the slot 10. After the connecting plate 5 is inserted into the slot 10, the insertion rod 7 is inserted into the socket 11 to complete the fixation of the connecting plate 5 and the splint 6.

[0027] An L-shaped connecting rod 12 is provided on the plug rod 7, one end of the L-shaped connecting rod 12 is fixedly connected to the plug rod 7, the other end of the L-shaped connecting rod 12 passes through the connecting plate 5, a fixing rod 13 is fixedly connected to the connecting plate 5, a connecting hole 16 is provided at the bottom of the L-shaped connecting rod 12, both ends of the fixing rod 13 are arranged in the connecting hole 16, a connecting block 14 is fixedly connected to the inner wall of the connecting hole 16, the connecting block 14 is slidably connected to the fixing rod 13, a spring 15 is provided in the connecting hole 16, one end of the spring 15 is fixed to the connecting block 14 The L-shaped connecting rod 12 is pressed to pass through one end of the connecting plate 5, and the L-shaped connecting rod 12 drives the insertion rod 7 to move toward the inside of the connecting plate 5. At the same time, the spring 15 is compressed. At this time, the connecting plate 5 can be smoothly inserted into the slot 10 in the splint 6. Then, the L-shaped connecting rod 12 is released, and under the elastic force of the spring 15, the insertion rod 7 is inserted into the insertion hole 11 to complete the fixation of the connecting plate 5 and the splint 6. In the above manner, the splint 6 can be easily replaced.

[0028] Working principle of the utility model: when the device is in use, the mold is placed on the upper surface of the base 1 and located between the four splints 6. The forward and reverse motor 8 works, and the forward and reverse motor 8 drives the drive shaft 2 to rotate, driving the four splints 6 to move. The four splints 6 fix the mold from four directions, and the mold is firmly fixed. The four splints 6 in the device are conveniently fixed or loosened with the connecting plate 5 through the movement of the L-shaped connecting rod 12, so that the splints 6 are easy to replace. According to different mold models, the splints 6 can be quickly replaced.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A positioning and clamping device for a powder metallurgy injection molding mold, comprising a base (1), characterized in that: A clamping structure is provided at the upper end of the base (1), and the clamping structure is provided in two groups. Each group of the clamping structures comprises a driving shaft (2). Two grooves (3) are provided on the upper surface of the base (1). The two driving shafts (2) are rotatably arranged in the two grooves (3) respectively. Two moving blocks (4) are threadedly connected to each driving shaft (2). Each moving block (4) is fixedly connected to a connecting plate (5). A clamping plate (6) is inserted into the connecting plate (5). A locking structure is provided between the clamping plate (6) and the connecting plate (5). The locking structure comprises an insert rod (7). The insert rod (7) is telescopically arranged in the connecting plate (5). A plug hole (11) cooperating with the insert rod (7) is provided in the clamping plate (6).

2. The positioning and clamping device for a powder metallurgy injection molding mold according to claim 1, characterized in that: The two drive shafts (2) are arranged crosswise with each other, and the two drive shafts (2) are distributed up and down.

3. The positioning and clamping device for a powder metallurgy injection molding mold according to claim 1, characterized in that: External threads are provided on both sides of the two drive shafts (2), and the spiral directions of the external threads on the two sides of the drive shafts (2) are opposite. The two moving blocks (4) on each drive shaft (2) are respectively threadedly connected to the external threads on the two sides of the drive shaft (2), and the lower ends of the two moving blocks (4) on the two drive shafts (2) are slidably connected to the grooves (3) on the upper surface of the base (1).

4. The positioning and clamping device for a powder metallurgy injection molding mold according to claim 1, characterized in that: The ends of the two drive shafts (2) are fixedly connected to forward and reverse motors (8), and the forward and reverse motors (8) are fixedly installed in the groove (3). A control panel (9) is fixedly installed on the surface of the base (1), and the output end of the control panel (9) is electrically connected to the input end of the forward and reverse motors (8).

5. The positioning and clamping device for a powder metallurgy injection molding mold according to claim 1, characterized in that: A slot (10) is provided in the clamping plate (6), the slot (10) and the connecting plate (5) are arranged to cooperate with each other, and the insertion hole (11) is arranged in the slot (10).

6. The positioning and clamping device for a powder metallurgy injection molding mold according to claim 1, characterized in that: An L-shaped connecting rod (12) is provided on the insertion rod (7), one end of the L-shaped connecting rod (12) is fixedly connected to the insertion rod (7), the other end of the L-shaped connecting rod (12) passes through the connecting plate (5), a fixing rod (13) is fixedly connected inside the connecting plate (5), a connecting hole (16) is provided at the bottom of the L-shaped connecting rod (12), both ends of the fixing rod (13) are arranged in the connecting hole (16), a connecting block (14) is fixedly connected to the inner wall of the connecting hole (16), the connecting block (14) and the fixing rod (13) are slidably connected, a spring (15) is provided in the connecting hole (16), one end of the spring (15) is fixedly connected to the connecting block (14), and the other end of the spring (15) is fixedly connected to the side wall of the connecting hole (16).

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