Feeding mechanism of polishing machine

Abstract

The utility model provides a polishing machine feeding mechanism which comprises workpiece clamping mechanisms, each workpiece clamping mechanism is composed of two clamping heads which are oppositely arranged, each clamping head is connected with a driving mechanism through matching of a lower sliding seat and a lower sliding rail of the clamping head, and the workpiece clamping mechanisms are divided into an inner group and an outer group which can move in a relatively staggered mode. When the inner workpiece clamping mechanism or the outer workpiece clamping mechanism clamps a workpiece to be polished on the polishing mechanism, the outer workpiece clamping mechanism or the inner workpiece clamping mechanism can conduct feeding operation. After the outer workpiece clamping mechanism or the inner workpiece clamping mechanism finishes feeding and the workpiece of the inner workpiece clamping mechanism or the outer workpiece clamping mechanism is polished, the inner workpiece clamping mechanism and the outer workpiece clamping mechanism can move relatively in a staggered mode, the polished workpiece is sent out, and the workpiece to be polished is sent into the polishing mechanism to be polished. Through the repeated cycle work, the standby time of the polishing mechanism is effectively shortened, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing machine manufacturing, in particular to a feeding mechanism of a polishing machine. Background Art

[0002] The existing polishing machine is generally composed of a workpiece clamping mechanism and a polishing and grinding mechanism. The workpiece clamping mechanism clamps the workpiece and moves it to the workstation of the polishing and grinding mechanism, and the polishing and grinding mechanism performs polishing. After the polishing is completed, the workpiece clamping mechanism moves the workpiece out to facilitate unloading and reloading. However, each time the workpiece clamping mechanism performs unloading and reloading, the polishing and grinding mechanism can only be in a standby state until the workpiece clamping mechanism transfers the workpiece over, and the polishing and grinding mechanism can resume working. The time resources of the polishing and grinding mechanism for unloading and reloading are wasted, and it is difficult to further improve production efficiency. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a feeding mechanism for a polishing machine which can improve production efficiency.

[0004] The utility model achieves the above purpose in the following way:

[0005] A polishing machine feeding mechanism includes a workpiece clamping mechanism, which is composed of two clamping heads arranged opposite to each other. Each clamping head is connected to a driving mechanism through the cooperation of its own lower sliding seat and lower sliding rail. It is characterized in that the workpiece clamping mechanism is divided into an inner workpiece clamping mechanism and an outer workpiece clamping mechanism which can move relatively and alternately.

[0006] Wherein, the inner workpiece clamping mechanism is higher or lower than the outer workpiece clamping mechanism, or the clamping head of the outer workpiece clamping mechanism or the clamping head of the inner workpiece clamping mechanism is installed with a lifting device.

[0007] Among them, the two clamping heads of each group of workpiece clamping mechanism are divided into an active clamping head and a passive clamping head. The clamping head is mainly composed of a rotating shaft and a connecting block. The rotating shaft is installed on the connecting block through a bearing. The rotating shaft of the active clamping head is also connected to a power mechanism through a gear.

[0008] The rotating shaft is divided into a front rod, a middle sleeve and a rear rod. The front rod and the rear rod are connected through the middle sleeve. A telescopic spring is installed in the middle sleeve. The telescopic spring is located between the front rod and the rear rod.

[0009] Among them, a supporting seat is connected between the clamping head and the lower sliding seat of the internal workpiece clamping mechanism, and an upper sliding rail perpendicular to the lower sliding rail is provided on the supporting seat. The upper sliding rail is sleeved with an upper sliding seat fixedly connected to the clamping head, and a cylinder is installed between the clamping head and the supporting seat to promote their relative movement.

[0010] There are two lower rails on the clamping head, and the lower part of the support seat is connected to the screw rod through a connecting piece.

[0011] Among them, a supporting seat and a lifting seat are connected between the clamping head and the lower sliding seat of the external workpiece clamping mechanism, and two cylinders are installed between the supporting seat and the lifting seat to promote their relative lifting. The lifting seat is provided with an upper slide rail perpendicular to the lower slide rail, and the upper slide rail is sleeved with an upper slide seat fixedly connected to the clamping head. Two cylinders are installed between the lifting seat and the clamping head to promote their relative movement.

[0012] There are two lower rails on the clamping head, the lower part of the support seat is connected to the screw rod through a connecting piece, and a power mechanism 2 is installed at one end of the screw rod.

[0013] Wherein, the other end of the screw is provided with a gear set which is transmission-connected with the screw under the support seat of the inner workpiece clamping mechanism.

[0014] Among them, a loading auxiliary mechanism is installed at the front end of the workpiece clamping mechanism, and the loading auxiliary mechanism is also two, located between the two clamping heads. The loading auxiliary mechanism includes a bracket extending inward, a lifting frame is installed on the bracket, and a cylinder three for driving the relative lifting is installed between the bracket and the lifting frame, and the lifting frame is provided with a plurality of grooves corresponding to the rotating shaft.

[0015] The beneficial effects of the utility model are as follows: since the feeding mechanism of the polishing machine is divided into two sets of inner and outer workpiece clamping mechanisms that can move relatively and alternately, when the inner workpiece clamping mechanism or the outer workpiece clamping mechanism clamps the workpiece for polishing in the polishing mechanism, the outer workpiece clamping mechanism or the inner workpiece clamping mechanism can perform the feeding operation; when the outer workpiece clamping mechanism or the inner workpiece clamping mechanism has finished feeding, and the workpiece of the inner workpiece clamping mechanism or the outer workpiece clamping mechanism has been polished, the inner and outer workpiece clamping mechanisms will move relatively and alternately, and the polished workpiece will be sent out, and the workpiece to be polished will be sent into the polishing mechanism for polishing. Such repeated cycle work effectively reduces the standby time of the polishing mechanism and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 for Figure 1 A magnified image of point A;

[0019] Figure 3 yes Figure 1 The enlarged view of point B;

[0020] Figure 4 It is a structural diagram on the right side of the utility model;

[0021] Figure 5 yes Figure 4 Enlarged view of point C;

[0022] Figure 6 It is a structural diagram of the utility model applied to the whole machine. DETAILED DESCRIPTION

[0023] Reference Figures 1 to 6 A feeding mechanism of a polishing machine includes a workpiece clamping mechanism 1, wherein the workpiece clamping mechanism 1 is composed of two clamping heads 2 arranged opposite to each other, each clamping head 2 is connected to a driving mechanism 5 through the cooperation of a respective lower slide seat 3 and a lower slide rail 4, and the workpiece clamping mechanism 1 is divided into an inner workpiece clamping mechanism 11 and an outer workpiece clamping mechanism 12 which can move relatively and staggered. When the inner workpiece clamping mechanism or the outer workpiece clamping mechanism clamps the workpiece for polishing in the polishing mechanism, the outer workpiece clamping mechanism or the inner workpiece clamping mechanism can perform a loading operation; when the outer workpiece clamping mechanism or the inner workpiece clamping mechanism has finished loading the material, and the workpiece of the inner workpiece clamping mechanism or the outer workpiece clamping mechanism has been polished, the inner and outer workpiece clamping mechanisms will relatively and staggeredly move to send out the polished workpiece, and send the workpiece to be polished into the polishing mechanism for polishing. Such repeated cycle operation effectively reduces the standby time of the polishing mechanism and improves production efficiency.

[0024] In order to ensure that the inner and outer workpiece clamping mechanisms can move smoothly relative to each other and prevent the workpiece clamping mechanisms from colliding with each other, the inner workpiece clamping mechanism 11 is higher or lower than the outer workpiece clamping mechanism 12, or the clamping head 2 of the outer workpiece clamping mechanism 12 or the clamping head 2 of the inner workpiece clamping mechanism 11 is installed with a lifting device 6.

[0025] The two clamping heads of each group of workpiece clamping mechanism 1 are divided into an active clamping head 21 and a passive clamping head 22. The clamping head 2 is mainly composed of a rotating shaft 7 and a connecting block 8. The rotating shaft 7 is installed on the connecting block 8 through a bearing. The rotating shaft 7 of the active clamping head 21 is also connected to a power mechanism 9 through a gear. The workpiece is clamped between the rotating shafts 7 of the clamping heads. When the power mechanism 9 works, it will drive the rotating shaft 7 to rotate, thereby driving the workpiece to rotate, so as to facilitate the polishing mechanism to polish the workpiece.

[0026] The rotating shaft 7 is divided into a front rod 71, a middle sleeve 72 and a rear rod 73. The front rod 71 and the rear rod 73 are connected through the middle sleeve 72. A telescopic spring 10 is installed in the middle sleeve 72, and the telescopic spring 10 is located between the front rod 71 and the rear rod 73. When the workpiece clamping mechanism clamps the workpiece, the telescopic spring 10 is in a compressed state, so that the workpiece is conveniently installed on the clamping head, ensuring that the workpiece is firmly clamped, and facilitating the polishing and movement of the workpiece.

[0027] Among them, a support seat 20 is connected between the clamping head 2 and the lower slide seat 3 of the inner workpiece clamping mechanism 11, and an upper slide rail 30 perpendicular to the lower slide rail 4 is provided on the support seat 20. The upper slide rail 30 is sleeved with an upper slide seat 40 fixedly connected to the clamping head 2, and a cylinder 50 is installed between the clamping head 2 and the support seat 20 to push them to move relative to each other. Under the action of the cylinder 50, the distance between the two clamping heads 2 can be freely changed, so as to facilitate the clamping or unloading of workpieces of different lengths. In order to ensure that the clamping head 2 moves smoothly and steadily, there are two lower slide rails 4 under the clamping head 2, and the lower part of the support seat 20 is connected to the screw rod 92 through the connecting member 60. The screw rod 92 can be connected to the power mechanism alone to drive the screw rod 92 to rotate, and the connecting member 60, the support seat 20 and the clamping head 2 move.

[0028] Among them, a support seat 20 and a lifting seat 80 are connected between the clamping head 2 and the lower slide seat 3 of the external workpiece clamping mechanism 12, and a lifting device 6 is installed between the support seat 20 and the lifting seat 80 to promote their relative lifting. The lifting seat 80 is provided with an upper slide rail 30 perpendicular to the lower slide rail 4, and the upper slide rail 30 is sleeved with an upper slide seat 40 fixedly connected to the clamping head 2, and a cylinder 90 is installed between the lifting seat 80 and the clamping head 2 to promote their relative movement. When the lifting device 6 pushes the clamping head 2 upward, the inner workpiece clamping mechanism can be avoided, so that the inner and outer workpiece clamping mechanisms will not collide when they intersect. The lower rails 4 under the clamping head 2 of the external workpiece clamping mechanism 12 are also two, and the lower part of the support seat 20 is connected to the screw rod 92 through the connecting member 60, and the driving mechanism 5 is installed at one end of the screw rod 92. The other end of the screw rod 92 is installed with a gear set 93 that is connected to the screw rod 92 under the support seat of the internal workpiece clamping mechanism 11. With the gear set 93, the inner workpiece clamping mechanism 11 can achieve synchronous relative movement with the outer workpiece clamping mechanism 12 without installing a separate power mechanism.

[0029] In order to facilitate loading, a loading auxiliary mechanism 23 is installed at the front end of the workpiece clamping mechanism 1. The loading auxiliary mechanism 23 is also two and is located between the two clamping heads 2. The loading auxiliary mechanism 23 includes a bracket 231 extending inwardly, a lifting frame 232 is installed on the bracket 231, and a cylinder 233 is installed between the bracket 231 and the lifting frame 232 to drive them to rise and fall relative to each other. The lifting frame 232 is provided with a plurality of grooves 234 corresponding to the rotating shaft 7. In the loading process, just put the workpiece on the groove 234, and then adjust the position of the clamping head 2 so that the rotating shafts 7 on both sides press the workpiece, which is particularly suitable for the loading operation of long straight pipes.

Claims

1. A feeding mechanism for a polishing machine, comprising a workpiece clamping mechanism (1), wherein the workpiece clamping mechanism (1) is composed of two clamping heads (2) arranged opposite to each other, each clamping head (2) being connected to a driving mechanism (5) through the cooperation of a respective lower slide seat (3) and a lower slide rail (4), characterized in that: The workpiece clamping mechanism (1) is divided into an inner workpiece clamping mechanism (11) and an outer workpiece clamping mechanism (12) which are relatively movable and staggered.

2. A polishing machine feeding mechanism according to claim 1, characterized in that: The inner workpiece clamping mechanism (11) is higher or lower than the outer workpiece clamping mechanism (12), or the clamping head of the outer workpiece clamping mechanism (12) or the clamping head (2) of the inner workpiece clamping mechanism (11) is installed with a lifting device (6).

3. A polishing machine feeding mechanism according to claim 1 or 2, characterized in that: The two clamping heads of each group of workpiece clamping mechanisms (1) are divided into an active clamping head (21) and a passive clamping head (22). The clamping head (2) is mainly composed of a rotating shaft (7) and a connecting block (8). The rotating shaft (7) is mounted on the connecting block (8) via a bearing. The rotating shaft (7) of the active clamping head (21) is also connected to a power mechanism 1 (9) via a gear.

4. A polishing machine feeding mechanism according to claim 3, characterized in that: The rotating shaft (7) is divided into a front end rod (71), a middle sleeve (72) and a rear end rod (73); the front end rod (71) and the rear end rod (73) are connected via the middle sleeve (72); a telescopic spring (10) is installed in the middle sleeve (72); and the telescopic spring (10) is located between the front end rod (71) and the rear end rod (73).

5. A polishing machine feeding mechanism according to claim 1, characterized in that: A support seat (20) is connected between the clamping head (2) and the lower slide seat (3) of the internal workpiece clamping mechanism (11); an upper slide rail (30) is provided on the support seat (20) and is perpendicular to the lower slide rail (4); the upper slide rail (30) is sleeved with an upper slide seat (40) fixedly connected to the clamping head (2); and a cylinder (50) is installed between the clamping head (2) and the support seat (20) to drive them to move relative to each other.

6. A polishing machine feeding mechanism according to claim 5, characterized in that: The clamping head (2) has two lower rails (4), and the lower part of the support seat (20) is transmission-connected to the screw rod (92) via a connecting piece (60).

7. A polishing machine feeding mechanism according to claim 1, characterized in that: A support seat (20) and a lifting seat (80) are connected between the clamping head (2) and the lower sliding seat (3) of the external workpiece clamping mechanism (12); a lifting device (6) is installed between the support seat (20) and the lifting seat (80) to promote their relative lifting; an upper slide rail (30) is provided on the lifting seat (80) and is perpendicular to the lower sliding rail (4); the upper slide rail (30) is sleeved with an upper slide seat (40) fixedly connected to the clamping head (2); and a second cylinder (90) is installed between the lifting seat (80) and the clamping head (2) to promote their relative movement.

8. A polishing machine feeding mechanism according to claim 7, characterized in that: The clamping head (2) has two lower rails (4), the lower part of the support seat (20) is transmission-connected to the screw rod (92) via a connecting piece (60), and a driving mechanism (5) is installed at one end of the screw rod (92).

9. A polishing machine feeding mechanism according to claim 8, characterized in that: The other end of the screw rod (92) is provided with a gear set (93) which is transmission-connected to the screw rod (92) under the support seat of the inner workpiece clamping mechanism (11).

10. A polishing machine feeding mechanism according to claim 1, characterized in that: A feeding auxiliary mechanism (23) is installed at the front end of the workpiece clamping mechanism (1). The feeding auxiliary mechanism (23) is also two and is located between the two clamping heads (2). The feeding auxiliary mechanism (23) comprises a bracket (231) extending inwardly, a lifting frame (232) is installed on the bracket (231), and a cylinder (233) is installed between the bracket (231) and the lifting frame (232) for driving the bracket (231) and the lifting frame (232) to lift the bracket (231) and the lifting frame (232) relative to each other. The lifting frame (232) is provided with a plurality of grooves (234) corresponding to the rotating shaft (7).

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